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Accessing and Understanding MODIS DataThe National Aeronautics and Space Administration (NASA) launched the Terra satellite in December 1999, as part of the Earth Science Enterprise promotion of interdisciplinary studies of the integrated Earth system. Aqua, the second satellite from the series of EOS constellation, was launched in May 2002. Both satellites carry the MODerate resolution Imaging Spectroradiometer (MODIS) instrument. MODIS data are processed at the Goddard Space Flight Center, Greenbelt, MD, and then archived and distributed by the Distributed Active Archive Centers (DAACs). Data products from the MODIS sensors present new challenges to remote sensing scientists due to specialized production level, data format, and map projection. MODIS data are distributed as calibrated radiances and as higher level products such as: surface reflectance, water-leaving radiances, ocean color and sea surface temperature, land surface kinetic temperature, vegetation indices, leaf area index, land cover, snow cover, sea ice extent, cloud mask, atmospheric profiles, aerosol properties, and many other geophysical parameters. MODIS data are stored in HDF- EOS format in both swath format and in several different map projections. This tutorial guides users through data set characteristics as well as search and order interfaces, data unpacking, data subsetting, and potential applications of the data. A CD-ROM with sample data sets, and software tools for working with the data will be provided to the course participants.
Document ID
20040031528
Acquisition Source
Goddard Space Flight Center
Document Type
Conference Paper
Authors
Leptoukh, Gregory
(NASA Goddard Space Flight Center Greenbelt, MD, United States)
Jenkerson, Calli B.
(Geological Survey Sioux Falls, SD, United States)
Jodha, Siri
(National Snow and Ice Data Center)
Date Acquired
August 21, 2013
Publication Date
January 1, 2003
Subject Category
Meteorology And Climatology
Meeting Information
Meeting: IGARSS 2003
Location: Toulouse, France
Country: United States
Start Date: July 20, 2003
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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