HR: 0800h
AN: A51B-0757    [Abstracts]
TI: Validation of AIRS Land Surface Temperature and Infrared Emissivity Products
AU: * Knuteson, R O
EM: robert.knuteson@ssec.wisc.edu
AF: Uni. of Wisconsin-Madison Space Science and Engineering Ctr, 1225 W. Dayton St., Madison, WI 53706 United States
AU: Lee, S C
EM: chial@ssec.wisc.edu
AF: Uni. of Wisconsin-Madison Space Science and Engineering Ctr, 1225 W. Dayton St., Madison, WI 53706 United States
AU: Revercomb, H E
EM: hankr@ssec.wisc.edu
AF: Uni. of Wisconsin-Madison Space Science and Engineering Ctr, 1225 W. Dayton St., Madison, WI 53706 United States
AU: Tobin, D C
EM: davet@ssec.wisc.edu
AF: Uni. of Wisconsin-Madison Space Science and Engineering Ctr, 1225 W. Dayton St., Madison, WI 53706 United States
AU: Vinson, K
AF: Uni. of Wisconsin-Madison Space Science and Engineering Ctr, 1225 W. Dayton St., Madison, WI 53706 United States
AB: The University of Wisconsin Space Science and Engineering Center (UW-SSEC) is evaluating the accuracy and utility of the NASA AIRS land surface temperature and infrared emissivity products in cooperation with the EOS AIRS science team. Validation of the AIRS operational Level 2 (L2) algorithm over ocean scenes has occurred during the last two years and a validated algorithm will soon be used to reprocess the AIRS data. The AIRS operational L2 algorithm is now being evaluated for accuracy over land scenes. The validation effort for land scenes described here is focused on the comparison of "preliminary" AIRS land products to measurements made by ground-based, aircraft-based, and other satellite-based sensors. Comparison will be made to AIRS products over the U.S. Department of Energy Atmospheric Radiation Measurement (DOE ARM) program Southern Great Plains (SGP) site in north central Oklahoma where a ground-based network exists for validation of land surface products. The particular ground-based and aircraft-based sensors considered here are the UW-SSEC Atmospheric Emitted Radiance Interferometer (AERI) and the Scanning-High spectral resolution Interferometer Sounder (S-HIS). Comparison will also be made to Aqua MODIS land products produced by the MODIS Land team and made available through the MODIS Land Discipline web site. In addition to these instrument sensor inter-comparisons, we will compare the AIRS L2 land products with a UW-SSEC research product that uses atmospheric state data from the European Center for Medium Range Forecasting (ECMWF) to perform an atmospheric correction and thereby directly obtain the land surface temperature and infrared emissivity from the AIRS observations for cloud-free scenes.
DE: 0365 Troposphere--composition and chemistry
DE: 0394 Instruments and techniques
DE: 0399 General or miscellaneous
SC: Atmospheric Sciences [A]
MN: 2004 AGU Fall Meeting