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Research
Activities cont.
Abstract
Snow Products
Snow Products
For investigations in climatology and hydrology, the
three most important snow properties are: (i) snow-covered area, i.e.
presence or absence of snow, (ii) snow albedo, and (iii) snow water equivalence.
During the course of this project we will develop algorithms and a database
processing workflow for the creation and distribution of improved snow
products from EOS and NOAA meteorological satellites. These products include:
- Snow-covered area and snow albedo at subpixel resolution
from MODIS, based on algorithms we have developed and tested with AVIRIS
and Landsat.
- Snow-covered area at subpixel resolution from AVHRR,
for the area accessible from the UCSB antenna, based on algorithms we
have developed and tested with Landsat and AVHRR.
- Snow-water equivalence at coarse, global-scale
resolution from passive microwave measurements with AMSR-E and AMSR,
incorporating co-registered snow-covered area measurements from AVHRR
or MODIS.
- Historical compilation of consistent satellite
measurements of snow-covered area at drainage-basin scale from CORONA,
Landsat MSS, Landsat TM, and EOS instruments for the state of California
from 1962-present, along with historical time-series of snow-water equivalence
measurements at snow courses.
- Historical compilation of consistent satellite
measurements of snow-covered area and snow-water equivalence at global
scale, combining optical measurements from AVHRR and MODIS with passive
microwave products from SSM/R, SSM/I, AMSR, and AMSR-
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