期刊
REMOTE SENSING OF ENVIRONMENT
卷 111, 期 2-3, 页码 136-147出版社
ELSEVIER SCIENCE INC
DOI: 10.1016/j.rse.2007.03.024
关键词
remote sensing; forecasting; sea-ice; Arctic
This paper discusses the development of simple multiple linear regression (MLR) models for developing seasonal forecasts of the annual minimum sea-ice extent in the Beaufort/Chukchi Seas, the Laptev/East Siberian Seas, the Kara/Barents Seas, and the Canadian Arctic Archipelago regions. The potential predictor data are based on mean monthly weighted indices of sea-ice concentration, multiyear sea-ice concentration, surface skin temperature, surface albedo, and downwelling longwave radiation flux at the surface. Predictions are developed based on data available in March (spring forecast), to coincide with the National American Ice Service's annual outlooks, and based on data available in June (summer forecast), which would provide a seasonal revision. The final regression equations retain one to three predictors, and each of the MLR models is superior to climatology. The r(2) for the MLR models range from a low of 0.44 (for the spring forecast in the Canadian Arctic Archipelago) to a high of 0.80 (for the summer forecast in the BeauforL/Chukchi Seas). (c) 2007 Elsevier Inc. All rights reserved.
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