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DIF/SERF POPULATION
                                                                              # DIFs

       Ja




                   6000
                          7000
                                 8000
                                                         9000
                                                                10000
                                                                                 11000
                                                                                                     12000
                                                                                                             13000
                                                                                                                     14000
                                                                                                                             15000
                                                                                                                                     16000
            n-
               9
               9
       M
         ar
            -9
       M 9
         ay
             -9
        Ju 9
           l-9
       Se 9
          p-
             9
       N 9
         ov
            -9
       Ja 9
          n-
             0
       M 0




                                                                                         DIFs
         ar
            -0
       M 0
         ay
             -0
        Ju 0
           l-0
       Se 0                                                                              WHFC children
          p-
             0
       N 0
         ov
            -0
       Ja 0
          n-
             0
       M 1
         ar
            -0
       M 1
         ay
             -0
        Ju 1
           l-0
       Se 1
          p-
             0
       N 1
         ov
            -0




Date
       Ja 1
          n-
             0
       M 2
                                        new Antarctic DIFs



         ar
            -0
       M 2
         ay
             -0
        Ju 2
           l-0
       Se 2
          p-
             0
       N 2
         ov
            -0
       Ja 2
          n-
             0
       M 3
         ar
            -0
       M 3
         ay
             -0
        Ju 3
           l-
       Se 03
          p-
             0
       N 3
                                                                        split of Aqua




         ov
            -0
       Ja 3
          n-
             0
                                                                        MODIS DIFs from




       M 4
                                                                        Terra MODIS DIFs
                                                                                                                                             Total DIFs January 1999 - July 2004




         ar
            -0
       M 4
         ay
             -0
        Ju 4
           l-0
               4
          Cumulative DIF Population 2003-2004
         15000




         14500




         14000




         13500
# DIFs




         13000




         12500




         12000




         11500
                 Jan- Feb- Mar- Apr- May- Jun-   Jul-   Aug- Sep- Oct- Nov- Dec- Jan- Feb- Mar- Apr- May- Jun-   Jul-
                  03   03   03   03   03   03     03     03   03   03   03   03   04   04   04   04   04   04     04
                                                                 Month
New and Revised Supplemental Descriptions
                200


                180


                160


                140
# New/Revised




                120


                100


                80


                60


                40


                20


                 0
                      Jan-   Feb- Mar-   Apr- May- Jun-    Jul-   Aug- Sep- Oct- Nov- Dec-     Jan-   Feb- Mar-   Apr- May- Jun-   Jul-
                       03     03   03     03   03   03      03     03   03   03   03   03       04     04   04     04   04   04     04
                                                                             Month

                               Data Centers New2          Data Centers Revised2      Sources New3            Sources Revised3
                               Sensors New4               Sensors Revised4           Campaigns New5          Campaigns Revised5
        New, Revised and Deleted DIFs 2003-2004
        1800



        1600


        1400



        1200


        1000
Month




        800


        600



        400


        200



          0
               Jan-   Feb- Mar-   Apr- May- Jun-   Jul-   Aug- Sep- Oct- Nov- Dec-   Jan- Feb- Mar-   Apr- May- Jun-   Jul-
                03     03   03     03   03   03     03     03   03   03   03   03     04   04   04     04   04   04     04
                                                                   # DIFs

                                                     DIFs New     DIFs Deletes   Revised
      DIF Population by Earth Science
                  Topic
                     SUN-EARTH
                   INTERACTIONS
    SPECTRAL/           1%
   ENGINEERING                 SOLID EARTH
                                             AGRICULTURE
       6%                           5%            5%
                                                                      ATMOSPHERE
 PALEOCLIMATE                                                             17%
      2%

OCEANS
  13%


                                                                              BIOSPHERE
 LAND SURFACE                                                                    16%
      13%
                                                                      CLIMATE INDICATORS
                HYDROSPHERE                                                   1%
                     7%
                                       HUMAN DIMENSIONS        CRYOSPHERE
                                             10%                   4%




  AGRICULTURE           ATMOSPHERE             BIOSPHERE                  CLIMATE INDICATORS
  CRYOSPHERE            HUMAN DIMENSIONS       HYDROSPHERE                LAND SURFACE
  OCEANS                PALEOCLIMATE           SPECTRAL/ENGINEERING       SUN-EARTH INTERACTIONS
  SOLID EARTH
                   DIF Population by Node
                                                 UN/UNEP
                                                   9%
                   AMD
                   19%

                                                                                           NASA
                                                                                           44%
        CSIRO
         0%

 JAXA
  2%

 CNES
  0%
DLR
0%
                                USGS
ESA/ESRIN                        5%         USDA
                                                                NOAA
   1%                                        4%
                                                                11%
CCRS
 4%         INPE        CONAE
                                 CIESIN
             0%          0%
                                   1%


            NASA          NOAA            USDA         CIESIN    USGS    CONAE   INPE      CCRS
            ESA/ESRIN     DLR             CNES         JAXA      CSIRO   AMD     UN/UNEP
                                                Total SERFs In GCMD
              1200
                                                    Jan. 2001- July 2004
              1000




              800
SERF Totals




              600




              400




              200




                 0
                     Jan-01   Apr-01   Jul-01   Oct-01   Jan-02   Apr-02   Jul-02   Oct-02   Jan-03   Apr-03   Jul-03   Oct-03   Jan-04   Apr-04   Jul-04
                                                                                    Month
GCMD Service Population by Topic
                                                              Models
                                                               11%
                Metadata Handling
                      3%
                                                                                                       Data Analysis & Visualization
 Information and Reference                                                                                        32%
          Services
            9%
 Hazards Management
         3%




Environmental Advisory
         8%

                                    Education/Outreach                                 Data Handling
                                           17%                                             17%


                              Data Analysis & Visualization            Data Handling
                              Education/Outreach                       Environmental Advisory
                              Hazards Management                       Information and Reference Services
                              Metadata Handling                        Models
WEB USAGE
GCMD Usage by Domain Type -
          2004
                                     .us   .gov
                                                           .edu
                                     1%     3%                       .org
     foreign                                                7%
                                                                     1%
      23%

                                                                                   .com
                                                                                   19%




   numeric
    25%                                                            .net
                                    .mil                           20%
                                    1%




               .gov   .edu   .org   .com   .net   .mil   numeric   foreign   .us
                                                  Users by Domain

                  Ja




                                0
                                    1000
                                           2000
                                                   3000
                                                             4000
                                                                    5000
                                                                             6000
                                                                                          7000
                     n-
                         0
                  Fe 2
                     b-
                          0
                  M 2
                     ar
                        -0
                   Ap 2
                      r-0
                  M 2
                    ay
                         -0
                  Ju 2
                     n-
                         02
                   Ju
                       l-0
                  Au 2
                      g-
                          0




.gov
                  Se 2
                     p-
                         02
                   O
                     ct
                        -0
                  N 2




.edu
                    ov
                        -0
                  D 2
                    ec
                       -0
                  Ja 2




.org
                     n-
                         0
                  Fe 3
                     b-
                          0
                  M 3
                     ar




.com
                        -0
                   Ap 3
                      r-0
                  M 3
                    ay
                         -0




.net
          Month
                  Ju 3
                     n-
                         03
                   Ju
                       l-0




.mil
                  Au 3
                      g-
                          0
                  Se 3
                     p-
                         0
                   O 3
                     ct
                        -0
                  N 3

numeric
                    ov
                        -0
                                                                             web page




                  D 3
                                                                            of the new




                    ec
                                                                           Introduction




                       -0
                  Ja 3
                     n-
                         0
foreign



                  Fe 4
                     b-
                          0
                  M 4
                     ar
                        -0
.us




                   Ap 4
                      r-0
                  M 4
                    ay
                         -0
                  Ju 4
                     n-
                         04
                   Ju
                       l-0
                            4
                                                                                                 GCMD Usage by Domain 2002-2004
                   GCMD Web Hits 2002-2003
         7800000



         7600000



         7400000



         7200000



         7000000
# hits




         6800000



         6600000



         6400000



         6200000



         6000000



         5800000
                                          Hits
                                  2002-2003

                             Total 2002      Total 2003
                                             #hits


         Ja




                          500000
                                   1000000
                                                     1500000
                                                               2000000
                                                                              2500000




                      0
           n-
             01
         M
          ar
             -   01
         M
          ay
             -   01

          Ju
             l-0
                 1
         Se
            p-
               01
         N
           ov
              -0
                1
         Ja
            n-
               02
         M
          ar
             -   02
         M
          ay
             -   02

          Ju
             l-0
                 2
         Se
            p-
               02
         N
           ov
              -0
                2




m onth
         Ja
            n-
               03
         M
          ar
             -   03
         M
          ay
             -   03

          Ju
             l-0
                 3
                                                                 web page




         Se
                                                                of the new




            p-
                                                               Introduction




               03
         N
           ov
              -0
                3
         Ja
           n-
             04
         M
          ar
             -   04
         M
          ay
             -   04

          Ju
            l-0
                                                                                        # Web Page Hits Since January 2001




               4
             # Web Sessions Since January 2003
           60000




           55000




           50000




           45000
Sessions




           40000



                                                                                         Introduction
           35000
                                                                                          of the new
                                                                                           web page
           30000




           25000
                   Jan- Feb- Mar- Apr- May- Jun-   Jul- Aug- Sep- Oct- Nov- Dec- Jan- Feb- Mar- Apr- May- Jun-   Jul-
                    03   03   03   03   03   03     03   03   03   03   03   03   04   04   04   04   04   04     04
                                                                Month
DIF/SERF SEARCH/RETRIEVAL
  Searches by Controlled Keyword
       Sun-Earth Interactions
               2%
                                Solid Earth                     Agriculture
Spectral/Engineering                8%                            10%
         6%
                                                                                        Atmosphere
Paleoclimate                                                                               15%
    5%




      Oceans                                                                                   Biosphere
       14%                                                                                        8%
                                                                                          Climate Indicators
                Land Surface                                                                     2%
                    10%                  Hydrosphere
                                             7%                                    Cryosphere
                                                                                       5%
                                                                      Human Dimensions
                                                                            8%

          Agriculture           Atmosphere             Biosphere              Climate Indicators
          Cryosphere            Human Dimensions       Hydrosphere            Land Surface
          Oceans                Paleoclimate           Spectral/Engineering   Sun-Earth Interactions
          Solid Earth
                   Distribution of SERF Usage
                                                                Data Analysis & Visualization
                                          Models
                                                                           16%
                                           12%
   Metadata Handling
        12%
                                                                                                 Data Handling
                                                                                                     13%




Information and Reference
                                                                                            Education/Outreach
         Services
                                                                                                   12%
           11%                                     Environmental Advisory
                            Hazards Management             14%
                                   10%
                            User Activity (Service Parameter Hits)
                 600
                                                  August 2002 – July 2004
                 500



                 400
Number of Hits




                 300



                 200



                 100



                   0
                       Aug-02   Oct-02   Dec-02    Feb-03      Apr-03        Jun-03       Aug-03    Oct-03        Dec-03         Feb-04   Apr-04   Jun-04
                                                                                        Month
                                                                                                                                          Introduction
                                                                                                                                           of the new
                                                        Data Analysis & Visualization              Data Handling                            web page
                                                        Education/Outreach                         Environmental Advisory
                                                        Hazards Management                         Reference and Information Services
                                                        Metadata Handling                          Models
                    JCADM Report




29 – 30 July 2004       JCADM - 8
            Antarctic Master Directory

     • Redesigned AMD portal in 2003
     • ISO compliant DIF
     • Portals added in support of National
       Antarctic Data Centers (NADCs)
     • Access to over 3000 DIFs
     • Consistently most popular portal with
       respect to DIF searches and retrievals

29 – 30 July 2004      JCADM - 8
            Antarctic Master Directory
                             Portal Redesign
                    http://gcmd.nasa.gov/Data/portals/amd/


     • Design similar to GCMD with an Antarctic
       theme
           – Graphically enhanced with photographs
           – Topic keyword thumbnails are more relevant to
             Antarctic research
     • Customized top navigation bar including a link
       to JCADM website for more information
     • Added page listing National Antarctic Data
       Center (NADC) portals with links to each
       portal:
         http://gcmd.nasa.gov/Data/portals/amd/nadc_portals.html

29 – 30 July 2004                  JCADM - 8
                                Antarctic
                                 Master
                                Directory
                                 Home Page




29 – 30 July 2004   JCADM - 8
                                Antarctic
                                 Master
                                Directory
                                 Portals Page




29 – 30 July 2004   JCADM - 8
            Antarctic Master Directory
                         ISO 19115 Compliance
     • For ISO 19115 Compliance, the following fields were
       added to the DIF
           – ISO Topic Keywords: a preset list of keywords developed by
             the ISO 19115 Committee
                • Examples:
                    – CLIMATOLOGY/METEOROLOGY/ATMOSPHERE
                    – BIOTA
                    – GEOSCIENTIFIC INFORMATION
           – Address field has been divided into separate units
           – Metadata Name and Metadata Version
                • Examples:
                    – Metadata Name: CEOS IDN DIF
                      Metadata Version: Version 9.0


29 – 30 July 2004                       JCADM - 8
                 ISO 19115 Compatibility
                               DIF to ISO Conversion
                       DIF                                             ISO
                                               ISO Topic Category:
Category >Topic > Term >                       farming, biota, boundaries,
   Variable:                                   climatologyMeteorologyAtmosphere, economy,
Earth Science > Biosphere > Ecological         elevation, environment, geoscientific information,
    Dynamics > Population                      healthimageryBaseMapsEarthCover,
                                               inlandWaters




Personnel:                                     Personnel:
First, Middle, Last Name                       Name
Address                                        Address, City, State or Province, Zip Code, Country




Not currently in the DIF                       Metadata Standard Format
                                               Metadata Standard Version


29 – 30 July 2004                        JCADM - 8
            Antarctic Master Directory
                             NADC Portals
           http://gcmd.nasa.gov/Data/portals/amd/nadc_portals.html

     •   Belgium Antarctic Program created January 2003
     •   Finnish Antarctic Program created January 2003
     •   Centro de Datos Antárticos, Argentina created August 2003
     •   Canadian Polar Commission/Canadian Committee for Antarctic
         Research created October 2003
     •   Swiss Committee on Polar Research created November 2003
     •   US Antarctic Data Centers/US Antarctic Data Coordination
         Center created February 2004
     •   Japan National Institute for Polar Research created February
         2004
     •   Estonian Antarctic Data Center created July 2004


29 – 30 July 2004                 JCADM - 8
                    Some NADC Portals

29 – 30 July 2004        JCADM - 8
              Antarctic Master Directory
     Content Statistics – DIF Distribution by Topic
                                           DIF Distribution by Topic



                                     1%
                                          1%
                          11%                                 11%
                                                                                   Agriculture
              3%                                                                   Atmosphere
         4%
                                                                             18%
                                                                                   Biosphere
                                                                                   Climate Indicators
                                                                                   Cryosphere
                                                                                   Human Dimensions
                                                                                   Hydrosphere
                                                                                   Land Surface
   14%
                                                                             0%    Oceans
                                                                                   Paleoclimate
                                                                       14%
                    11%                                                            Radiance or Imagery
                                4%                  8%                             Solid Earth
                                                                                   Sun-Earth Interactions




29 – 30 July 2004                              JCADM - 8
                        Antarctic Master Directory
                        Content Statistics – DIF Distribution by Country

                                                                         DIF Distribution by Contributing Country


  2000

  1800

  1600

  1400

  1200

  1000

   800

   600

   400

   200

     0




                                                                                                                                                                          m
                                                                                                                                           s
                                    m




                                                                                      a




                                                                                                                                                                                  es
                                                   i le




                                                                          a




                                                                                                                   d


                                                                                                                          ly



                                                                                                                                   n
                                                                                                y
                                            da




                                                                                                        n
                      li a
            a




                                                                                                                                                               d
                                                                                                                                                  ay
                                                                 nd




                                                                                                                                         nd
                                                                                   ni
                                                                        in




                                                                                              an




                                                                                                                 an




                                                                                                                                 pa
                                                                                                      ai




                                                                                                                                                                        do
          in




                                                                                                                                                             an
                                                                                                                       Ita
                                 iu




                                                 Ch




                                                                                                                                                                                at
                    ra




                                          na




                                                                                 to




                                                                                                                                                 rw
                                                                      Ch
                                                             rl a




                                                                                                    Sp




                                                                                                                                       la
        nt




                               lg




                                                                                                                               Ja
                                                                                                              nl




                                                                                                                                                                      ng
                                                                                            m




                                                                                                                                                                              St
                                                                                                                                                          al
                  st




                                                                              Es
                                        Ca




                                                                                                                                       er
      ge




                             Be




                                                                                                                                               No
                                                                                                            Fi
                                                                                          er
                                                          tze




                                                                                                                                                        Ze



                                                                                                                                                                   Ki
                Au




                                                                                                                                                                               d
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                                                                                          G
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                                                                                                                                                                           i te
                                                        i




                                                                                                                                                                   d
                                                                                                                                   Ne
                                                     Sw




                                                                                                                                                        w


                                                                                                                                                               i te


                                                                                                                                                                         Un
                                                                                                                                                      Ne
                                                                                                                                  e




                                                                                                                                                             Un
                                                                                                                                Th




29 – 30 July 2004                                                                         JCADM - 8
                                                            No. DIFs

                    Ja




                                1500
                                       1700
                                              1900
                                                     2100
                                                              2300
                                                                       2500
                                                                              2700
                                                                                     2900
                                                                                            3100
                       n-
                          02
                    Fe
                       b-
                          02
                    M
                      ar
                         -0
                            2
                    Ap
                       r-
                          02
                    M
                     ay




29 – 30 July 2004
                         -0
                            2
                    Ju
                       n-
                          02
                     Ju
                        l-0
                    Au 2
                       g-
                          02
                    Se
                       p-
                          02
                    O
                      ct
                        -0
                           2
                    N
                      ov
                         -0
                            2
                    D
                      ec
                         -0
                            2
                    Ja
                       n-
                          0
                    Fe 3
                       b-
                          03
                    M
                      ar
                         -0
                            3
                    Ap
                       r-
                          03
                    M




    JCADM - 8
                     ay
                         -0
                            3
                                                                                                         2002 through June 2004




                    Ju
                       n-
                          03
                                                                                                   DIFs Contributed by AMD IDN Node




                     Ju
                        l-0
                    Au 3
                       g-
                          03
                    Se
                       p-
                          03
                    O
                      ct
                        -0
                           3
                    N
                      ov
                         -0
                            3
                    D
                      ec
                         -0
                            3
                    Ja
                       n-
                          04
                    Fe
                       b-
                          04
                                                                                                                                      Content Statistics – Growth 2002 to June 2004




                    M
                                                                                                                                                                                  Antarctic Master Directory




                      ar
                         -0
                            4
                    Ap
                       r-
                          04
                    M
                     ay
                         -0
                            4
                    Ju
                       n-
                          04
            Antarctic Master Directory
                    Content Statistics - Summary

     • Largest portion of DIF content is Biosphere
       (18%), followed by Cryosphere (14%),
       Oceans (14%), Land Surface (11%), Solid
       Earth (11%) and Atmosphere (11%)
     • Largest contribution of DIFs from
       Australian Antarctic Data Centre, followed
       by US Antarctic Data Centers/US Antarctic
       Data Coordination Center, and Centro de
       Datos Antárticos (Argentina)

29 – 30 July 2004              JCADM - 8
                                                                         No. Hits




                                                      0
                                                          20
                                                               40
                                                                    60
                                                                         80
                                                                              100
                                                                                    120
                                                                                          140
                                                                                                160
                                                                                                      180
                                    Ag
                                      ri c
                                          ul
                                             tu
                                               re

                                 At
                                   m
                                         os
                                           ph
                                             er
                                               e




29 – 30 July 2004
                                     Bi
                                        os
                                          ph
                                            er
                                              e
                         C
                             li m
                                 at
                                   e
                                        In
                                           di
                                             ca
                                               to
                                                 rs

                                 C
                                     ry
                                       os
                                          ph
                                            er
                       H                         e
                           um
                             an
                                    D
                                        im
                                          en
                                            si
                                              on
                                                 s
                                H
                                    yd
                                       ro
                                         sp
                                           he
                                             r   e
                               La




    JCADM - 8
                                 nd
                                                                                                            Param eter Hits 2004




                                         Su
                                           rfa
                                              ce


                                         O
                                             ce
                                               an
                                                 s

                                 Pa
                                   le
                                     oc
                                        li m
                                            at
                         R                    e
                         ad
                             ia
                               nc
                                  e/
                                     Im
                    Su                 ag
                                           er
                      n-
                        E                     y
                          ar
                            th
                                In
                                  te
                                    ra
                                                                                                                                                                        Antarctic Master Directory
                                                                                                                                   Use Statistics – Parameter Hits (2004)




                                       ct
                                         io
                                           ns

                                    So
                                      l id
                                             Ea
                                               rth
                                                      0
                                                          100
                                                                200
                                                                      300
                                                                            400
                                                                                         500
                                                                                                  600
                                                                                                        700
                                                                                                              800
                                                                                                                    900
                                                                                                                          1000
                                    Ag
                                      ri c
                                          ul
                                             tu
                                               re

                                 At
                                   m
                                         os
                                           ph
                                             er
                                               e




29 – 30 July 2004
                                     Bi
                                        os
                                          ph
                                            er
                         C                    e
                             li m
                                 at
                                   e
                                        In
                                           di
                                             ca
                                               to
                                                 rs

                                 C
                                     ry
                                       os
                                          ph
                                            er
                       H                         e
                           um
                             an
                                    D
                                        im
                                          en
                                            si
                                              on
                                                 s
                                H
                                    yd
                                       ro
                                         sp
                                           he
                                             r   e
                               La
                                 nd
                                         Su
                                           rfa




    JCADM - 8
                                              ce


                                         O
                                             ce
                                               an
                                                 s
                                 Pa
                                   le
                                     oc
                                        li m
                                            at
                         R                    e
                         ad
                             ia
                               nc
                                  e/
                                     Im
                    Su                 ag
                      n-                   er
                        E                     y
                          ar
                            th
                                In
                                  te
                                    ra
                                       ct
                                         io
                                           ns
                                                                                                                                                                           Antarctic Master Directory




                                    So
                                      l id
                                             Ea
                                               rth
                                                                                                                                 Use Statistics – Parameter Hits vs. Content




                                                                                           Hits
                                                                                  DIFs
                                    Antarctic Master Directory
                                                      Use Statistics - Searches
                                                                     AMD Searches 2003 through June 2004


               1800

               1600

               1400

               1200
No. Searches




               1000

               800

               600

               400

               200

                 0
                                                                         3
                                                      03




                                                                                                                                                              04
                     03




                                                               03




                                                                                                                             04




                                                                                                                                                                       04
                               03


                                       03




                                                                                          03




                                                                                                            3


                                                                                                                     3




                                                                                                                                       04


                                                                                                                                               04
                                                                                                   3
                                                                                 03
                                              03




                                                                                                                                                      04
                                                                      l-0




                                                                                                          -0


                                                                                                                   -0
                                                                                                 -0
                                                                                        p-
                                                       -




                                                                                                                                                               -
                   n-




                                                             n-




                                                                                                                           n-




                                                                                                                                                                     n-
                            b-



                                        -




                                                                                                                                    b-



                                                                                                                                                -
                                                                               g-
                                              r-




                                                                                                                                                      r-
                                                                                                       ov


                                                                                                                ec
                                                    ay




                                                                                                                                                            ay
                                     ar




                                                                                                                                             ar
                                                                                               ct
                                                                    Ju
                 Ja




                                                           Ju




                                                                                                                         Ja




                                                                                                                                                                   Ju
                          Fe




                                            Ap




                                                                                      Se




                                                                                                                                  Fe




                                                                                                                                                    Ap
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                                                                                                       N


                                                                                                                D
                                                   M




                                                                                                                                                           M
               29 – 30 July 2004                                                      JCADM - 8
                                         Antarctic Master Directory
                                                         Use Statistics – Retrievals                                                                            Great
                                                                           DIF Retrievals 2003 through June 2004
                                                                                                                                                                interest in
                                                                                                                                                                Belgium
                    700                                                                                                                                         NADC DIFS

                    600


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No. of Retrievals




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                    29 – 30 July 2004                                                      JCADM - 8
                 Antarctic Master Directory
          Use Statistics – Retrievals: Top 10 DIFs 2004
                   Quarter 1 2004                                     Quarter 2 2004
1.      Meiobenthic biodiversity and fluxes within    1.    AAD publications database (AMD/AU)
        the Antarctic biogeochemical environment      2.    Airborne Geophysical Data acquired by the
        (AMD/BE)                                            NSF Support Office for Aerogeophysical
2.      Mass balance of the Antarctic ice cap               Research (SOAR), University of Texas
        (AMD/BE)                                            Institute for Geophysics, 1994-2000.
3.      An integrated approach to assess carbon             (AMD/US)
        dynamics in the Southern Ocean (AMD/BE)       3.    Meiobenthic biodiversity and fluxes within
4.      Ecofunctional biodiversity of benthic               the Antarctic biogeochemical environment
        crustacean taxocoenoses in the Southern             (AMD/BE)
        Ocean (AMD/BE)                                4.    SOAR Airborne Geophysical Data Collected
5.      Aerogeophysical survey of western Marie             on the Pensacola/Pole Transect,
        Byrd Land, Antarctica (AMD/US)                      Transantarctic (AMD/US)
6.      Marine Sediment Geochemistry Data (Pore       5.    Mass balance of the Antarctic ice cap
        Water) (CANADA/CGDI)                                (AMD/BE)
7.      Barium Biogeochemistry (AMD/BE)               6.    Antarctic Biodiversity Database (AMD/AU)
8.      Response of the Southern Ocean global         7.    10 year trend of levels of organochlorine
        ecosystem to physical and trophic                   pollutants in Antarctic seabirds (AMD/AU)
        constraints (AMD/BE)                          8.    Marine Mammal Monitoring Data for
9.      Study of convective movements in the                Antarctica from the Instituto Antartico
        Southern Ocean (AMD/BE)                             Argentino (AMD/AR)
10.     Oceanography - Zooplankton Data for           9.    Seismic Experiment Ross Ice Shelf
        Antarctica from the Instituto Antartico             (AMD/US)
        Argentino (AMD/AR)                            10.   Aerial Photography of Antarctica (AMD/US)

     29 – 30 July 2004                          JCADM - 8
            Antarctic Master Directory
                    Use Statistics - Summary

     • Searches in 2004 show a slight increase over
       the last six months of 2003
     • Based on number of hits per topic, the most
       popular topics are: Cryosphere, followed by
       Oceans, Atmosphere, Biosphere, Human
       Dimensions, and Solid Earth, respectively.
     • Overall, number of retrievals increasing
     • Since November 2003, AMD accounts for
       approximately 9% of all portal searches
     • AMD is the most popular portal of 35 portals

29 – 30 July 2004            JCADM - 8
            Antarctic Master Directory
            Use Statistics – Top 10 DIFs Discussed
• First Quarter 2004: DIFs from IDN Node AMD/BE
  (Belgium) were retrieved more often than any other
  DIFs
• Second Quarter 2004: Only 2 DIFs from IDN Node
  AMD/BE appeared in the Top 10 list
• Possible Explanations:
     – Users are looking at the DIFs as examples of metadata
       for new NADCs
     – The DIFs are keyed with popular keywords having to do
       with ecology/biology and ice cap mass balance, which are
       closely linked to global climate change

29 – 30 July 2004            JCADM - 8
            Antarctic Master Directory
            Use Statistics – Top 10 DIFs Discussed

     Increasing retrievals of DIFs:
     • Key DIFs with as many pertinent controlled
       and free-text keywords as possible
     • Write comprehensive summaries
     • Note: Free-text search engine, Isite, does
       ranking on term frequency and where the
       term appears in the document.
     • Keep DIFs up to date

29 – 30 July 2004           JCADM - 8
            Antarctic Master Directory
                               Future
     • Newly designed keyword interface with left-
       hand side navigation and link to Data
       Services (preview:
         http://gcmd.sesda.com:1881/KeywordSearch/Home.do?Portal=
         amd&MetadataType=0)
     • Link to Data Services
     • Do-It-Yourself portals
     • New geospatial search capability packaged
       with Lucene free-text search
     • Stand-alone version of docBUILDER for use in
       the field
29 – 30 July 2004               JCADM - 8
            Antarctic Master Directory
         Future – New Keyword Interface Preview




29 – 30 July 2004        JCADM - 8
            Antarctic Master Directory
                       Challenges

     • Encouraging updates from NADC’s and
       researchers
     • Restrictions on working with certain countries,
       which puts limits on the international aspects
       of the AMD
     • Acquiring and implementing a map in polar
       projection for a more thorough spatial search
     • Suggestions on enhancing AMD visibility with
       search engines such as Google


29 – 30 July 2004         JCADM - 8