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Comparison of MODIS and AVHRR 16‐day normalized difference vegetation index composite data
Author(s) -
Gallo Kevin,
Ji Lei,
Reed Brad,
Dwyer John,
Eidenshink Jeffery
Publication year - 2004
Publication title -
geophysical research letters
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 2.007
H-Index - 273
eISSN - 1944-8007
pISSN - 0094-8276
DOI - 10.1029/2003gl019385
Subject(s) - normalized difference vegetation index , remote sensing , environmental science , vegetation (pathology) , vegetation index , enhanced vegetation index , land cover , climatology , meteorology , geography , land use , geology , climate change , civil engineering , pathology , engineering , medicine , oceanography
Normalized difference vegetation index (NDVI) data derived from visible and near‐infrared data acquired by the MODIS and AVHRR sensors were compared over the same time periods and a variety of land cover classes within the conterminous USA. The relationship between the AVHRR derived NDVI values and those of future sensors is critical to continued long term monitoring of land surface properties. The results indicate that the 16‐day composite values are quite similar over the 23 intervals of 2001 that were analyzed, and a linear relationship exists between the NDVI values from the two sensors. The composite AVHRR NDVI data were associated with over 90% of the variation in the MODIS NDVI values.