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					      UNAVCO/GEON
IT and Geophysical Research


 Data, Visualization, and Research in the
            Rocky Mountains

      Chuck Meertens and Greg Bensen
        UNAVCO, Boulder, Colorado
             www.unavco.org




CYBERINFRASTRUCTURE FOR THE GEOSCIENCES   www.geongrid.org
   Overview of Presentation
       UNAVCO Research contributions

– Acquisition, Formatting, and Delivery of Metadata,
  Data, and Derived Products

– Visualization of Geophysical Data and Models

– Rocky Mountains science research

– Collaboration with U. of Utah Yellowstone Database
  development



     CYBERINFRASTRUCTURE FOR THE GEOSCIENCES   www.geongrid.org
      UNAVCO/GEON PoP
Access to UNAVCO/GEON resources provided via the GEONgrid Portal




     CYBERINFRASTRUCTURE FOR THE GEOSCIENCES       www.geongrid.org
               UNAVCO/GEON PoP
                          Geological
Provides Custom GEON      Survey of
  Access to UNAVCO        Canada
      Resources                                         Chronos
                                                                                            NASA

      •Data
      •Metadata              Livermore
                                                                                           USGS
      •Software                        ESRI

      •Visualization
                                CUASI
      •Geon research                                                 PoP
                                                                    node
      •Education and                                                 5-node     Partner Projects
                                                                     cluster
      Outreach                                                    1TF cluster
                                                                                   Partner services
                                UNAVCO POP




              CYBERINFRASTRUCTURE FOR THE GEOSCIENCES                   www.geongrid.org
 Data Access Methods
                                Current Access
         Data                   Methods:

                                http and ftp (e.g. GPS Seamless
                                Archive, GSAC, webpages)

                                OPeNDAP (e.g. IDV 3D Visualization)
        Meta-
        Data                    Under consideration:

                                ODBC/JDBC
                                SRB
                                Arcxml
                                Gridftp
  UNAVCO/GEON
                                GML
      PoP
                                SCP


CYBERINFRASTRUCTURE FOR THE GEOSCIENCES                www.geongrid.org
        GPS Seamless Archive (GSAC)
The GSAC helps you locate GPS data files
   which are archived at different GPS Data
   Archive Centers from a single user
   interface.                                             GEON “Instance”
                                                          Of GSAC Retailer

             GSAC Clients:
1. The GSAC Wizard is a web-based client.
2. The GSAC command-line client.

               GSAC Retailer:
1. Gathers metadata and file locations from
   wholesalers
2. Organizes data into a POSTSQL
   relational database (same as GEON)
3. Provides services to GSAC Clients
   The GSAC will be the primary means                                           GSAC developed
   of GPS raw data and data product                                             by Scripps and
   discovery and access for EarthScope                                          UNAVCO


                CYBERINFRASTRUCTURE FOR THE GEOSCIENCES                      www.geongrid.org
               UNAVCO/GEON
               OPeNDAP Server
       Unidata
 OPeNDAP software
                                            UNAVCO/GEON OPeNDAP Server
 Unix binaries
                                    - Seismic Tomography, Global Strain Rate,
    Some OPeNDAP Server             Geodynamic Models, Earthquakes
    Software:                                -NetCDF format
    -Free Form
    -netCDF                         -GPSVel vectors
    -IDL                                    -Free Form ASCII data
    -Matlab



OPeNDAP data               IDV               Web browser            Free form
connector              Visualization         -Data preview          GPS vectors
                                             -Data download
            http://geon.unavco.org
         CYBERINFRASTRUCTURE FOR THE GEOSCIENCES               www.geongrid.org
                          Data Visualization
          Same data or model => many uses …but currently
           same data + graduate students => fewer uses!




Jules Verne           Jules Verne           Interactive Data         OPeNDAP Data          ArcVoyager,
Voyager               Voyager, Jr.          Viewer (IDV)             Connector             ArcMap
                      EarthScope            Global and Map
Java Applet -> GMT    Voyager, Jr.          versions                 C application ->      ESRI Application
Server                                                               OPeNDAP Server
                                                                                           DLESE/GEON, with
Versions:             Javascript ->data     Java Application ->      Shown is the S-wave   UNAVCO
Voyage to Earth       server                OPeNDAP Server           velocity model        contributions, is
Voyage to the Solar   Shown are the         Shown are S-wave         converted to netCDF   building an education
System                velocities from the   anomaly isosurfaces      files.                module for the Earth
Global Strain Rate    GSRM and planned      of Ritzwoller, et. al.                         Exploration Toolbook
Map (GSRM,            EarthScope sites.     2002 and the GSRM
Kreemer, et. al.                            strain rates using the
2003).                                      Global IDV.



                  CYBERINFRASTRUCTURE FOR THE GEOSCIENCES                                  www.geongrid.org
                           IDV Visualization
     An example of an end-to-end solution: data/models -> NetCDF
         -> OPeNDAP server -> Visualization & Collaboration
          (developed by UNIDATA using U. of Wisc. VISAD)




Color contours of the second            Isosurfaces of 5% positive S-wave       All data from the above figures
invariant of the strain rate tensor     anomalies (green surfaces) in the       shown together with a color contour
(blue to red show low to high strain    upper mantle from a global              surface of the S-wave anomalies at
rate). Blue arrows indicate global      tomographic model of Ritzwoller, et.    100 km depth. The IDV has powerful
plate motion from with respect to the   al. 2002. The higher velocity regions   capabilities to show integrated views
North American Plate. Results are       are typically associated with colder    of volume and surface data. There is
from the UNAVCO-supported Global        denser regions underlying               a clear correlation between areas of
Strain Rate Map (GSRM) project          continental interiors such as the       high strain rate and low S-wave
(Kreemer, et al. 2003).                 Canadian shield.                        velocities in the upper mantle under
                                                                                W. North America and the east
                                                                                Pacific rise



                  CYBERINFRASTRUCTURE FOR THE GEOSCIENCES                                       www.geongrid.org
                      Data Visualization
                 Example: Mantle Tomography with IDV
Example data on UNAVCO/GEON node and IDV xml                Metadata embedded in
configuration files simplify getting started with the IDV   NetCDF file is returned
                                                            from the OPenDAP
                                                            Server in response to URI




                CYBERINFRASTRUCTURE FOR THE GEOSCIENCES            www.geongrid.org
                          IDV Visualization
  Mantle Geodynamics: Convection with geologic plate motions over 120 m.a.

Purpose: "resolving multiple scale (both temporal
and spatial) physics in mantle convection and
lithospheric deformation"
scale: "whole mantle with plates"
resolution: "~40-50 -km, spherical geometry"
method: "Numerical (finite element)"
material_properties: "temperature and depth
dependent viscosity (linear, no elasticity)"
code: "CitcomS [Zhong, Zuber, Moresi and Gurnis,            Mantle Temperature
2000], 5000 time steps, over 4 million nodes!"
output: "normalized thermal and composition
structure of the mantle from convection"
credits: "McNamara and Zhong (2004) - Allen
McNamara and Shijie Zhong"
location: "Department of Physics at University of
Colorado at Boulder, Campus box 390 Boulder Co,
80309-0390 USA"
website: "http://anquetil.colorado.edu/szhong"

                  CYBERINFRASTRUCTURE FOR THE GEOSCIENCES                www.geongrid.org
                      IDV Visualization
                  UNAVCO/GEON Enhancements
               to UNIDATA’s Open source Java Code

 UNAVCO is adding new
features to UNIDAT’s IDV
 (Dr. Stuart Wier, under
  contract to UNAVCO)
       •Earthquakes
       (done)
       •GPS vectors with
       error ellipses
       •Earthquake focal
       mechanisms
       •Customize for
       earth science (not
       atm)



               CYBERINFRASTRUCTURE FOR THE GEOSCIENCES   www.geongrid.org
     Data Conversion Software
Java application to
convert 1d and 3d
gridded data to NetCDF
format
Developed for
UNAVCO/GEON by
undergraduate student
research assistant Andy
Wahr (Purdue U.)
        •Command line
        interface
        •Forms
        •Documentation




          CYBERINFRASTRUCTURE FOR THE GEOSCIENCES   www.geongrid.org
   UNAVCO/GEON Rocky
    Mountain Research
GRA Greg Bensen (UNAVCO, CU) with Prof. Anne Shehan
         (CU) and Prof. Randy Keller (UTEP)

                    Colorado seismology
–Working with Rocky Mountain Front seismic data
–Formatting database, locating local events (Colorado),
calculating source mechanisms and stress drop.




    CYBERINFRASTRUCTURE FOR THE GEOSCIENCES   www.geongrid.org
Goals of Rocky Mountain Research

• Locations of local events will tell us about
  distribution of seismic hazards
• Source mechanisms (~200 new events) show
  magnitude and direction of the state of stress
• Will help to understand tectonics of the central
  Rocky Mountains
• Resulting data will be used to experiment with
  new visualization and serving techniques using
  GEON resources.


       CYBERINFRASTRUCTURE FOR THE GEOSCIENCES   www.geongrid.org
New Analysis of Earthquakes in the
     Rocky Mountain region
                    Few Focal Mechanisms
                                               Greg Bensen is using data
                    in existing Harvard CMT
                                               collected in the Rocky
                    catalog…but
                                               Mountain Front Passcal
                    earthquakes have
                                               seismic experiment to
                    occurred!
                                               determine locations and
                                               focal mechanisms for ~200
                                               new events recorded with
                                               IRIS PASSCAL instruments




     CYBERINFRASTRUCTURE FOR THE GEOSCIENCES          www.geongrid.org
           Related Activities: Yellowstone
                                                                     The Yellowstone Volcanic
                                                                         System Database
                                                                    Bob Smith and Jamie Farrell,
                                                                           Univ. of Utah
                                                                           …See Poster!



The purpose of the Yellowstone Volcanic
System database is mainly two fold. The
first is to integrate geographical, geological,
and geophysical datasets into one large
database. The second goal was to create an
outlet for outreach and increased
communication. Through this database web
site, any researcher or lay person has
access to the majority of Yellowstone related
data at any time and virtually any place.




                          CYBERINFRASTRUCTURE FOR THE GEOSCIENCES                www.geongrid.org
         Yellowstone Tomography
           viewed with the IDV
Shear wave topography
of the Yellowstone
plateau. The IDV allows
the user to make cross-
sections, probe the data,
and to make 3-D
isosurfaces of constant
velocity anomaly.

From M. Jordan and R.
Smith, U. of Utah




            CYBERINFRASTRUCTURE FOR THE GEOSCIENCES   www.geongrid.org
CYBERINFRASTRUCTURE FOR THE GEOSCIENCES   www.geongrid.org
             The U. of Utah Yellowstone Volcanic
                System Database Examples
Geography                                    Geology
  Boundaries                                    Idaho
    States                                      Montana
    Yellowstone National Park                   Wyoming
    Grand Tetons National Park                  Yellowstone National Park
    Glacier National Park                       Grand Teton National Park
  Roads
    States                                   Geophysics
    Yellowstone National Park                   Gravity
    Grand Tetons National Park                     States
  Water Bodies                                     Greater Yellowstone Area
    Rivers                                      Aeromagnetics
       States                                      Idaho
       Yellowstone National Park                   Montana
       Grand Tetons National Park                  Wyoming
    Lakes                                          Yellowstone National Park
       States                                   Earthquakes - Yellowstone
       Yellowstone National Park                Seismograph Stations in Greater Yellowstone
       Grand Tetons - wetlands                  GPS stations - University of Utah 2000 campaign



                 CYBERINFRASTRUCTURE FOR THE GEOSCIENCES                             www.geongrid.org
Yellowstone Volcano Observatory
                                               YVO is collaboration between the
                                               USGS, National Park Service
                                               and the University of Utah. Plans
                                               are to host the YVO data server
                                               on the U. of Utah GEON POP

                                               Sample from “Seisviewer”




     CYBERINFRASTRUCTURE FOR THE GEOSCIENCES                     www.geongrid.org
    Harvard CMT solutions for Rocky
            Mountain region

Very few focal
mechanisms have been
determined for the Rocky
Mountain Region.




             CYBERINFRASTRUCTURE FOR THE GEOSCIENCES   www.geongrid.org

				
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posted:10/22/2011
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