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NSIDC archives and distributes 1 km Level-1B Advanced Very High Resolution Radiometer (AVHRR) data as well as twice-daily 1.25 km, 5 km, and 25 km AVHRR EASE-Grid composite data products. As part of the NOAA/NASA Polar Pathfinder program, AVHRR EASE-Grid products are designed to provide scientists with a time series of global-scale remote sensing data for the period prior to the Earth Observing System (EOS) satellite launches.
The AVHRR instrument is used for a wide range of applications in polar and climate research. AVHRR data provide a global, long-term, consistent time series with high spectral and spatial resolution suitable for albedo and surface temperature measurements. Such measurements are necessary for studies involving climate, sea ice distribution and movement, and ice sheet coastal configuration.
See Also
NOAA/NASA Polar Pathfinder Program at NSIDC
A brief history of the NOAA/NASA Polar Pathfinder Program
Images of Antarctic Ice Shelves
Researchers at NSIDC, funded through The Antarctic Glaciological Data Center (AGDC), monitor ice shelve changes in the Antarctic Peninsula using AVHRR data.
Related Resources
A description of the AVHRR instrument from NOAA's Satellite and Information Service
The United States Geological Survey's AVHRR Sensor/Instrument Document
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