HR: 1330h
AN: H32B-0547    [PDF]
TI: AMSR-E Swath to Grid Toolkit
AU: * Knowles, K
EM: knowlesk@nsidc.org
AF: National Snow & Ice Data Center, 449 UCB University of Colorado, Boulder, CO 80309
AU: Brodzik, M J
EM: brodzik@nsidc.org
AF: National Snow & Ice Data Center, 449 UCB University of Colorado, Boulder, CO 80309
AU: Savoie, M H
EM: savoie@nsidc.org
AF: National Snow & Ice Data Center, 449 UCB University of Colorado, Boulder, CO 80309
AB: The AMSR-E Swath to Grid Toolkit (AS2GT) is a suite of software tools to subset and grid Levels 1b and 2a AMSR-E swath data. Gridding options include control over the map projection, resolution, and dimensions of the output grid, selection of resampling method, choice of how to handle overlapping swaths, and subsetting by time or region. These tools make it easy to process data into custom grids with whatever time or spacial resolution you require. For example you could grid each individual overpass in your field study at full 5 or 10km resolution or you could create 3 day averages for the entire globe at 1/4 degree. AS2GT and its close relative, the MODIS Swath to Grid Toolkit (MS2GT), use the same configuration files to describe the output grids making it easy to intercompare AMSR-E and MODIS data. The AS2GT package will also handle some forms of SSM/I and SMMR data. New formats are easy to add as the changes are confined to a single ingest routine at the start of processing. Current supported formats include: MSFC SSM/I Brightness Temperatures available from the Global Hydrology Resource Center at http://ghrc.msfc.nasa.gov/ and the reprocessed Level 1b SMMR Pathfinder Brightness Temperatures available from The National Snow and Ice Data Center at http://nsidc.org. These two sources of data combined with the AMSR-E form a continuous time series of freely available passive microwave observations from 1979 to the present. The package can be downloaded from http://nsidc.org/tools/
DE: 1894 Instruments and techniques
SC: Hydrology [H]
MN: 2003 Fall Meeting