Analysis of Agricultural Vegetation Dynamics in Russia Based on NOAA AVHRR Data
Three phenological indicators: maximum NDVI value, date of maximum NDVI, and cumulative NDVI for the period from the beginning of April to the end of August, have been calculated for arable land in Russia for the period 1982-2006 based on the NOAA AVHRR composites of the GIMMS dataset. The indicators were aggregated for administrative regions (oblast level). Comparison of indicator time series with data on climate and crop acreages showed that vegetation dynamics of arable lands in Russia are mainly affected by climate change. However, the character of the vegetation dynamics differs from region to region. In specific regions the temporal trend of remote sensing indicators could be explained by crop acreage changes.
SAVIN Igor;
VRIELING Anton;
2008-10-02
Maik
JRC43764
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