1. MODIS Subsetting and Visualization Tool: Bringing time-series satellite-based land data to the field scientist National Aeronautics and Space Administration www.nasa.gov

2. National Aeronautics and Space Administration Tammy Walker Beaty 2 What is MODIS MODerate Resolution Imaging Spectroradiometer Hyper-Spectral sensor onboard two satellites (Terra and Aqua) Terra MODIS and Aqua MODIS are viewing the entire Earth’s surface every 1 to 2 days, acquiring data in 36 spectral bands or groups of wavelengths http://aqua.nasa.gov/reference/visualizations.php

3. National Aeronautics and Space Administration Tammy Walker Beaty 3 MODIS data is great, but Users (Field researchers) have some inconveniences Data Volume Accessibility Data Format Processing Time Working conditions

4. National Aeronautics and Space Administration Tammy Walker Beaty 4 What ORNL DAAC offers MODIS Land Products in an easy-to-use format and size to characterize field sites MODIS Subsets for Selected sites (1147 MODIS Collection 5) Data formatted in ASCII (7X7 km subsets) and GeoTIFF (25X25 km subset) Selection by Site Search, Country, Continent or Land Unit, Network, IGBP Classification MODIS Subsetting and Visualization Tool for Any Location on the Globe Site Selection from a pick list or by entering a site’s geographic coordinates Area defining the site can be from 1 pixel up to 201 X 201 km Documentation

5. National Aeronautics and Space Administration Tammy Walker Beaty 5 Selected Sites & Global Tool Products Time series plots of the selected product measurement ASCII file of the pixel values for the selected product along with quality information Average & standard deviations for the area selected A file that can be imported directly into GIS software A land cover grid (IGBP classification) of the area An estimate of heterogeneity (Shannon richness and evenness) Documentation

6. National Aeronautics and Space Administration Tammy Walker Beaty 6 MODIS Global Tool http://daac.ornl.gov/modis/modis_subsets3.cfm Global Subsetting and Visualization Tool

7. National Aeronautics and Space Administration Tammy Walker Beaty 7 MODIS Global Tool, Step 1 - select Location http://daac.ornl.gov/cgi-bin/MODIS/GLBVIZ_1_Glb/modis_subset_order_global_col5.pl

8. National Aeronautics and Space Administration Tammy Walker Beaty 8 MODIS Global Tool, Step 2 - select data layer and subset size (LST and 100 X 100)

9. National Aeronautics and Space Administration Tammy Walker Beaty 9 MODIS Global Tool, Step 3 - select temporal range, provide email address, and submit

10. National Aeronautics and Space Administration Tammy Walker Beaty 10 MODIS Global Tool, Step 4 – order description and subset creation

11. National Aeronautics and Space Administration Tammy Walker Beaty 11 MODIS Global Tool, Step 5 – order summary and verification

12. National Aeronautics and Space Administration Tammy Walker Beaty 12 MODIS Global Tool, Step 6 – order notification and data retrieval Link to visualization and data Citation

13. National Aeronautics and Space Administration Tammy Walker Beaty 13 MODIS Global Tool, Data Files can be downloaded Each order page has links to the data files (on http server) Help files explain contents and format

14. National Aeronautics and Space Administration Tammy Walker Beaty 14 Resulting Data Unique URL for each order: http://daac.ornl.gov/glb_viz_2/02Oct2008_16:28:25_348253391L35.958767L- 84.287433S201L201_MOD11A2/index.html http://daac.ornl.gov/glb_viz_2/02Oct2008_16:28:25_348253391L35.958767L- 84.287433S201L201_MOD11A2/index.html

15. National Aeronautics and Space Administration Tammy Walker Beaty 15 SignOffPage

16. National Aeronautics and Space Administration Tammy Walker Beaty 16 Available MODIS Products Surface Reflectance Surface Temperature Land Cover Vegetation Phenology (life cycle) NDVI/EVI (Normalized Difference Vegetation Index and Enhanced Vegetation Index) LAI / fPar (Leaf Area Index and Fraction of photo-synthetically active radiation absorbed by vegetation) Net Photosynthesis Annual NPP (Net Primary Production) Calculated Albedo (ratio of diffusely reflected to incident electromagnetic radiation) Reflectance – BRDF (bidirectional reflectance distribution function) adjusted

17. National Aeronautics and Space Administration Tammy Walker Beaty 17 MODIS Collection 5 – 1147 sites http://daac.ornl.gov/cgi-bin/MODIS/GR_col5_1/mod_viz.html By Country, Land Unit, Network, IGBP Land use Classification 8-day, 16-day, or annual composite periods 1 km, 50 m, or 250 m resolution Documentation MODIS Products offered at ORNL-DAAC Surface Reflectance Surface Temperature Land Cover Vegetation Phenology NDVI / EVI LAI / fPAR Net Photosynthesis Annual NPP Albedo (calc) Reflectance – BRDF Adjusted