Quantification of Impact of Orbital Drift on Inter-Annual Trends in AVHRR NDVI Data
نویسندگان
چکیده
منابع مشابه
Quantification of Impact of Orbital Drift on Inter-Annual Trends in AVHRR NDVI Data
The Normalized Difference Vegetation Index (NDVI) time-series data derived from Advanced Very High Resolution Radiometer (AVHRR) have been extensively used for studying inter-annual dynamics of global and regional vegetation. However, there can be significant uncertainties in the data due to incomplete atmospheric correction and orbital drift of the satellites through their active life. Access ...
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15 صفحه اولEffect of orbital drift and sensor changes on the time series of AVHRR vegetation index data
This paper assesses the effect of changes in solar zenith angle (SZA) and sensor changes on reflectances in channel 1, channel 2, and normalized difference vegetation index (NDVI) from the advanced very high resolution radiometer (AVHRR) Pathfinder land data set for the period July 1981 through September 1994. First, the effect of changes in SZA on channel reflectances and NDVI is derived from ...
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ژورنال
عنوان ژورنال: Remote Sensing
سال: 2014
ISSN: 2072-4292
DOI: 10.3390/rs6076680