“MODIS Direct Broadcast _amp;Rapid Response Capabilities Getting

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					   “MODIS Direct Broadcast &Rapid
Response Capabilities: Getting Information
    to Operational Decision Makers”

              An Earth Science Vision:
     Technology Pathways and Challenges for 2025

                   IGARSS 2002
                  Toronto, Canada


                Dr. James C. Dodge
                NASA Headquarters
               Washington, DC 20546
Real-Time Observations from MODIS

                       •Fires
                       •Coastal conditions
                       •Flooding
                       •Tropical cyclones
                       •Thunderstorms
                       •Ice conditions
                       •Snow cover
                       •Ocean gradients
                       •Dust
                       •Air pollution
SEUS-X DB
station

 - MODIS

 - 4.0 m dish
 - X/Y mount
UW-Madison EOS Direct Broadcast Groundstation
TeraScan SX-EOS 4.4 m antenna: First pass acquired 2000/08/18




                                                   Overpass
                                                   prediction
                                                   2000/10/13
Global Distribution of EOS Direct Broadcast Sites
                    World View




 Cyprus from Moscow             Mauna Loa   Dust clouds: Korea




Cyclonic Circulation: Beijing     Italy-Greece from Matera
EOS Direct Broadcast Web Site
2001/04/03 1625: South Florida and Cuba, True Color
MODIS Bands 1/4/3, 2000/11/01 1630 UTC, UW-Madison Direct Broadcast




                                           Fires in Shenandoah National Park, VA
               Band 21
Active Fire Mapping Program
Active Fire Mapping Program


                            Forest Service
                           Remote Sensing
                           Applications Center




                      Rapid
                    Response


    NASA Goddard                University of
     Space Flight                Maryland
       Center
            MODIS Rapid Response Project: Design

                                                             L1B Data

                                                           October 2001
                                   Direct Broadcast
Terra                              Receiving Station                                USDA Forest Service
                                                                                      Remote Sensing
                  Backup Feed                                                        Application Center
                   L1B Data
                                                                                     Cumulative Fire Maps
                                                               Active Fire    http://www.nifc.gov.firemaps.html
                                                               Locations




                                Rapid Response System
                                                                                       Burn Severity Maps
                                    NASA/GSFC
                                                                                       Handcrafted Imagery
        EDOS    MODIS
                L0 Data
                                                            Active Fire Locations
                                                             Selected Imagery




                                                                                    University of Maryland
                                              Active Fire and
                                                                                       Geography Dept
                                           Corrected Reflectance
GES DAAC                             http://rapidfire.sci.gsfc.nasa.gov                 Web Fire Maps
NASA/GSFC       NOAA                                                            http://rapidresponse.umd.edu
MODIS Rapid Response System Views
 Recent Russia Flooding (6/11/02)




      http://rapidfire.sci.gsfc.nasa.gov/
Multispectral Measurements of Atlantic Storm
MODIS 2000/08/29 1130 UTC: Band 2 Reflectance and Cloudmask
U. Wisconsin MODIS Snow-Cover Algorithm
       New Products from MODIS Bands




                           MODIS Mapped On a DEM




Band 31 for Ocean Temp.
 Gradient Information
Observing Lake Turbidity
Real-Time Observations of Canadian Ice




 Ice-Covered Hudson Bay   Labrador Current:Goose Bay
    MODIS Band 2: 250 meter resolution
UW-Madison Direct Broadcast 2000/10/13 1559
        Regional Data Assimilation
                   -GOES LST, Clouds
                                          -TRMM:PR/TMI
 GOES Land Surface -NEXRAD                -MODIS
                   -Lightning
                                          -AIRS
                  Radar Reflectivity      -AMSU-E
                                          -QUICKSCAT
                                          -GIFTS

                                       LAPS Diabatic Init.




Aimed at 0-12h forecast issues
  SeaSpace
  Web Page
  Real-time
Image Retrieval
          Direct Readout Roadmap to NPP
    POES/DMSP/SeaStar                 Terra                    Aqua                     NPP




        AVHRR                         MODIS                     MODIS                       VIIRS
        SeaWiFS                                                  AIRS                        CrIS
          OLS                                                   AMSU                        ATMS
                                                                 HSB
                                  S/C & Instrument Evolution
           Standardization & Increasing RF, Modulation & Bandwidth Requirements
                                                                                     •X-band
 •L,S-band                      •X-band                   •X-band                    •15Mbps
 •.665 - 2Mbps                  •13.1Mbps                 •15Mbps                    •QPSK
 •Bi-Phase L                    •Viterbi                  •OQPSK                     •NRZM
                                •OQPSK                    •NRZM                      •Viterbi
                                                                                     •Compression
   •Custom Frame Formatters     •S/C specific STPS        •Reconfigurable RT-STPS      •Reconfigurable RT-STPS
    & Ingest software           •Level-0                  •Return Link Processor       •Digital re-Configurable
   •Analog Custom Receivers     •Return Link Processor    •Digital re-Configurable      Receiver (PC-based)
   •NOAA Level1B (AVHRR)        •Analog Configurable       Receiver                    •ALL Instru. Level-1 Software
   •Limited Data Distribution    Receiver                 •MODIS & AIRS Level-1        •DAAC & NEpster
    mechanisms                  •MODIS Level-1            •DAAC & NEpster               with L0, L1 & EDRs
                                •DAAC & MODIS Simulcast    with L0 & L1 data           •Simulcast of all Instruments
Evolution of Concurrent Ground System Supporting Technologies and Algorithm Development

				
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