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U.S. Department of the Interior U.S. Geological Survey Discover MODIS Land at your Desk January 17, 2007 Calli B. Jenkerson* MODIS Science Data Specialist LP DAAC * SAIC, contractor to U.S. Geological Survey (USGS) Center for Earth Resources Observation and Science, Sioux Falls, SD. Work performed under USGS contract 03CRCN0001.
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Rumors Better resolution than AVHRR Better repeat cycle than Landsat Free data Too many products Weird map projection Hard to find Can I use MODIS data in my application?
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Land Processes Distributed Active Archive Center at USGS Center for Earth Resources Observation and Science (LP DAAC at EROS)
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http://lpdaac.usgs.gov
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MODIS Land Product Information http://lpdaac.usgs.gov/modis/dataproducts.asp
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MOD09GA V5 MOD09GQ V5 MOD09CMG V5 MYD09GA V5 MYD09GQ V5 MYD09CMG V5
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MOD09GA V5 MOD09GQ V5 MOD09CMG V5 MYD09GA V5 MYD09GQ V5 MYD09CMG V5
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MOD09GA V5 MOD09GQ V5 MOD09CMG V5 MYD09GA V5 MYD09GQ V5 MYD09CMG V5
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MODIS Land Product One-Pagers http://lpdaac.usgs.gov/modis/mod09gav5.asp
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MODIS Land Product One-Pagers
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MODIS Land Product One-Pagers http://lpdaac.usgs.gov/modis/dataproducts.asp Terra, Aqua, and Combined V004 and V005: Surface Reflectance Land Surface Temp/Emissivity Land Cover / Land Cover Dynamics Vegetation Indices Thermal Anomalies/Fire LAI/fPAR Gross Primary Production BRDF/Albedo
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http://lpdaac.usgs.gov
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EDG - Earth Observing System (EOS) Data Gateway Data Pool - LP DAAC On-Line Archive GloVis – USGS Global Visualization Viewer
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Common Data Access Methods
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http://lpdaac.usgs.gov
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Less Common Data Access Methods
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Summary: Data Access EDG GloVis Data Pool MTMGW Subscription MODExtract
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Considerations for Use File Format (HDF-EOS) Map Projection (Sinusoidal) Bit-encoded Quality Information
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http://lpdaac.usgs.gov
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http://lpdaac.usgs.gov/datatools.asp
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MODIS Reprojection Tool (MRT)
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http://lpdaac.usgs.gov/landdaac/tools/modis/index.asp
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MRT Capabilities Overview Geographic Hammer Mollweide Sinusoidal UTM Transverse Mercator Integerized Sinusoidal Goode’s Interrupted Homolosine Lambert Azimuthal Lambert Conformal Conic Polar Stereographic Albers Equal Area -Spatial Subset-Mosaic -Spectral Subset-Outputs.hdf,.bin,.tif -Resampling-Datum Conversion Reproject Sinusoidal to:
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SinusoidalLambert Azimuthal MRT Capabilities Overview
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MODIS Reprojection Tool (MRT) Utility MRT Capabilities Overview
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Integerized Sinusoidal Lambert Azimuthal MRT Capabilities Overview
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http://lpdaac.usgs.gov/datatools.asp MODIS Swath Reprojection Tool (MRTSwath)
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Developed for Level-2 MODIS Land Data Provides same general capabilities as MRT except -Requires Geolocation input (Level 1A MOD03) -Does not include mosaic function MRTSwath Overview
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Level-2 Swath Level-2 Albers MRTSwath Overview
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http://lpdaac.usgs.gov/datatools.asp MODIS Land Data Operational Product Evaluation Tools (LDOPE)
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MODIS LDOPE Tools Perform any processing function necessary for manipulating MODIS Land data, except reprojection QABits, mosaicking, subsetting, format conversion, multidimensionality, etc. Stand-alone executables invoked from a command-line interface Supported on Irix, Solaris, Linux, and Windows operating systems
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http://lpdaac.usgs.gov MODIS Land Product Information: Collection Updates Product Characteristics QC-Bit Interpretation SDS Specifications Search and Order Tips Additional Links
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http://lpdaac.usgs.gov MODIS Land Product Common Access: EDG Data Pool GloVis
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http://lpdaac.usgs.gov MODIS Land Product Alternative Access: MTMGW Subscription MODExtract
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http://lpdaac.usgs.gov MODIS Land Product Tools: HDF-EOS Tools MRT MRTSwath MODIS LDOPE
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Download individual tiles in standard format Data Applications Model Search & Order MODIS tiles Conduct user-specified, local processing to create application-ready MODIS data Use MODIS data Historical Approach
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Download individual tiles in standard format Data Applications Model Select MODIS tiles Download application – ready MODIS data Search & Order MODIS tiles Conduct user-specified, local processing to create application-ready MODIS data Initiate and monitor remote processing job Use MODIS data Historical Approach Future Approach Specify processing options Day 2 Thursday 9:00 – 9:30
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Questions, Comments, or Concerns Calli Jenkerson MODIS Science Data Specialist LP DAAC jenkerson@usgs.gov (605) 594-2638
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