Enhanced snow cover products from MODIS for the = hydrologic sciences

From: Subject: Enhanced snow cover products from MODIS for the hydrologic sciences Date: Sun, 22 May 2005 21:02:52 -0700 MIME-Version: 1.0 Content-Type: multipart/related; type="text/html"; boundary="----=_NextPart_000_0052_01C55F11.9E8B28D0" X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.2180 This is a multi-part message in MIME format. ------=_NextPart_000_0052_01C55F11.9E8B28D0 Content-Type: text/html; charset="Windows-1252" Content-Transfer-Encoding: quoted-printable Content-Location: http://www.agu.org/cgi-bin/SFgate/SFgate?language=English&verbose=0&listenv=table&application=fm04&convert=&converthl=&refinequery=&formintern=&formextern=&transquery=au%3dpainter&_lines=&multiple=0&descriptor=%2fdata%2fepubs%2fwais%2findexes%2ffm04%2ffm04%7c1000%7c3304%7cEnhanced%20snow%20cover%20products%20from%20MODIS%20for%20the%20hydrologic%20sciences%7cHTML%7clocalhost:0%7c%2fdata%2fepubs%2fwais%2findexes%2ffm04%2ffm04%7c13957910%2013961214%20%2fdata2%2fepubs%2fwais%2fdata%2ffm04%2ffm04.txt Enhanced snow cover products from MODIS for the = hydrologic sciences

2004 Fall=20 = Meeting
Search=20 Results

Cite = abstracts as=20 Author(s) (2004), Title, Eos Trans. AGU,
85(47), = Fall=20 Meet. Suppl., Abstract = xxxxx-xx

Your query was:: au=3Dpainter

HR: 09:45h
AN: H21I-08
TI: Enhanced snow = cover products=20 from MODIS for the hydrologic sciences
AU: *=20 Painter, T H
EM: tpainter@nsidc.org
AF:=20 National Snow and Ice Data Center, 449 UCB = University of=20 Colorado at Boulder, Boulder, CO 80309-0449 United States =
AU:=20 Bales, R
EM: rbales@ucmerced.edu
AF: University of=20 California, School of Engineering, Merced, CA 95344 United States=20
AB: Near mountain ranges of the globe, = over a=20 billion people use melt of the seasonal snow cover as the dominant = source=20 of their water resources. These regions are increasingly = experiencing the=20 pressing, coupled implications of climate change, drought, and=20 population/demand increase. Enhanced snow cover products have been = developed using a multiple endmember spectral mixture analysis = model that=20 inverts MODIS surface reflectance products (MOD09) for fractional = snow=20 cover, plus the grain size and albedo of the fractional snow = cover.=20 Referred to as the MODIS Snow Covered Area and Grain Size/Albedo = (MODSCAG)=20 model, this tool is specifically aimed at providing an accurate = estimate=20 of snowcover for regional studies in mountainous areas across the = globe.=20 The model uses spectral libraries generated with a radiative = transfer=20 model for varying grain size snow, adapting the spectral library = according=20 to the specific scene solar geometry. Both the albedo and = snow-covered=20 area products stimulate advances in hydrologic forecasting by = providing=20 more accurate, spatially distributed data than are currently = available for=20 assimilation and model evaluation. Data are being developed and = provided=20 through an end-to-end NASA REASoN project that includes: (i) = standard and=20 custom product development, (ii) distribution through multiple = user=20 interfaces and (iii) user support for product evaluation and = applications.=20 Currently, MODSCAG is producing snow cover products for hydrologic = research clients working in the Colorado River Basin, the Sierra = Nevada of=20 California, the Columbia River Basin, and central Tibet. Within = the=20 framework of the REASoN project, MODSCAG is designed to address = `client'=20 research needs in snow-covered basins around the globe. In this = work, we=20 present the introduction of the MODSCAG fractional snow cover = products=20 into a model of basin hydrology in the Sierra Nevada. We analyze = the=20 differences between the MODSCAG fractional product and the = standard MODIS=20 binary snowcover product for mountainous areas in the Southwestern = U.S.=20 relative to region, elevation, and time of year.
DE: = 1863 Snow and ice (1827)
DE: 1884 Water=20 supply
DE: 1640 Remote = sensing
SC:=20 Hydrology [H]
MN: 2004 = AGU Fall=20 Meeting

New=20 Search

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