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AVHRR Satellite Imagery for the Tropical Western Pacific and North Slope of Alaska/Adjacent Arctic Ocean Sites

Minnett, P.J., and Kumar, A., University of Miami, Rosenstiel School of Marine and Atmospheric Science, Division of Meteorology and Physical Oceanography; Ma, L.L., Scientific Information Systems Group, Brookhaven National Laboratory
Ninth Atmospheric Radiation Measurement (ARM) Science Team Meeting

Satellite remote sensing data from the five-channel Advanced Very High Resolution Radiometer (AVHRR) covering the areas of the Tropical Western Pacific Ocean (TWP) and North Slope of Alaska/Adjacent Arctic Ocean (NSA/AAO) sites are now processed at the Atmospheric Radiation Measurement (ARM) External Data Center (XDC). The TWP data are extracted from the 4-km sub-sampled Global Area Coverage (GAC) data stream at the University of Miami and the NSA/AAO data are downlinked at the University of Alaska at the full 1-km resolution. The images are calibrated and remapped at the XDC before being made available to the ARM community through the ARM Archive. The calibration of the infrared channels uses the on-board black-body calibration procedure, and of the visible channels uses the pre-launch calibration, adjusted for in-flight changes in so far as these are known. The TWP images are remapped to a Mercator projection and the NSA/AAO images to a polar stereographic projection. Examples of the images will be shown. Feedback from the ARM user community will be welcomed.

Note: This is the poster abstract presented at the meeting; an extended version was not provided by the author(s).