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博文

目前显示的是标签为“MODIS EVI”的博文

Regional Analysis of NASA Satellite Greenness Trends for Ecosystems of Arctic Alaska

Read full paper at: http://www.scirp.org/journal/PaperInformation.aspx?PaperID=49169#.VJJRIcnQrzE Author(s) Christopher Potter Affiliation(s) Mail Stop 232-21, Moffett Field, USA . ABSTRACT Trends in the growing season MODerate resolution Imaging Spectroradiometer (MODIS) Enhanced Vegetation Index (EVI) time-series were analyzed for the period from 2000 to 2010 to understand landscape-level patterns of vegetation change in ecosystems of arctic Alaska. We compared datasets for vegetation cover types, wetland cover classes, wildfire boundaries since the 1940s, permafrost type, and elevation to identify the most likely combination of factors driving regional changes in habitat quality and ecosystem productivity. ...