1. ORNL DAAC Spatial Data Access Tool (SDAT): Internet tools to access and visualize land-based data National Aeronautics and Space Administration www.nasa.gov

2. National Aeronautics and Space Administration Tammy Walker Beaty 2 What is SDAT Web-based tool that enables users to browse, visualize and download geospatial data in various user selected spatial/temporal extents, formats, and projections Data include selected ORNL DAAC Archived Data Sets as well as other biogeochemical dynamics related data (Land Cover, Elevation, Climate Classification, Ecoregions, and Soils).

3. National Aeronautics and Space Administration Tammy Walker Beaty 3 About SDAT Provides access to various geospatial data through Open Geospatial Consortium (OGC) standards- based Web Services Web Map Service v1.1.1 Web Coverage Service v1.0.0 Two levels of tool features Data Set Level Data File (granule) Level

4. National Aeronautics and Space Administration Tammy Walker Beaty 4 SDAT Landing page – Data Set Level Functions, interface to Granule Level Functions http://webmap.ornl.gov/wcsdown/ Visualize Data Set – automatic function Visualize in Google Earth View Metadata Proceed to file/granule level download options Projection Resolution Format Time Bands Interpolation Method Spatial Extent

5. National Aeronautics and Space Administration Tammy Walker Beaty 5 Demo: AVHRR Land Cover Example http://webmap.ornl.gov/wcsdown/ http://webmap.ornl.gov/wcsdown/

6. National Aeronautics and Space Administration Tammy Walker Beaty 6 Additional Slides – Available Data in SDAT

7. National Aeronautics and Space Administration Tammy Walker Beaty 7 ORNL DAAC Archived Data Sets in SDAT Amazon River Basin Precipitation Data, 1972-1992 BIGFOOT Leaf Area Index Surfaces for North and South American Sites, 2000-2003 Global 30-Year mean Monthly Climatology, 1930-1960, V.2.1 (Cramer & Leemans) Global Data Set of Derived Soil Properties, 0.5-Degree Grid (ISRIC-WISE) Global Distribution of Plant-Extractable Water Capacity of Soil (DUNNE) Global Maps of Atmospheric Nitrogen Deposition, 1860, 1993, and 2050 Global Soil Types, 0.5-Degree Grid (Modified Zobler) Phenoregions for Monitoring Vegetation Responses to Climate Change SiB3 Modeled Global 1-degree hourly Biosphere-Atmosphere Carbon Flux, 1998-2006

8. National Aeronautics and Space Administration Tammy Walker Beaty 8 Data Archived From Other Sources in SDAT Land Cover MCD12Q1 Land Cover Product (Land Cover Types 1-5) – LPDAAC MODIS MOD12C1 0.25 Degree Land Cover – Boston University MCD12Q1 Land Cover Product – LP DAAC 8 km Global Land Cover Data Set Derived from AVHRR - GLCF, UMD National Land Cover Database 2001 (NLCD) – USGS/EROS Global and Regional Land Cover Maps, 2000 – European JRC Global Distribution of Cultivation Intensity at 1 Degree X 1 Degree Resolution – USDA NASS Cropland Data Layer (CDL) – NASS Forest Biomass Across the Lower 48 States and Alaska – USFS

9. National Aeronautics and Space Administration Tammy Walker Beaty 9 Data Archived From Other Sources in SDAT Elevation Global 30 Arc-Second Elevation Data Set (GTOPO30) – Shuttle Radar Topography Mission (STRM) Near-global Digital Elevation Models (DEM) – Ecoregions Bailey Ecoregions Map of the Continents – NOAA Climate World map of the Koppen-Geiger Climate Classification – PI

10. National Aeronautics and Space Administration Tammy Walker Beaty 10