An Ongoing Blended Long-Term Vegetation Health Product for Monitoring Global Food Security

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Submitted by Elsewhere on 2020-Dec-09 Wed 11:15
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Agronomy, Vol. 10, Pages 1936: An Ongoing Blended Long-Term Vegetation Health Product for Monitoring Global Food Security

Agronomy doi: 10.3390/agronomy10121936

Authors: Wenze Yang Felix Kogan Wei Guo

Remotely observing global vegetation from space has endured for nearly 50 years. Many datasets have been developed to monitor vegetation status. Tailored to specifically monitor global food security concerning drought and crop yield, a suite of datasets based on vegetation health concepts and Advanced Very High Resolution Radiometer (AVHRR) observation was developed in the 1980s and utilized throughout the world. Nowadays, satellites based imaging radiometers have evolved into the Visible Infrared Imaging Radiometer Suite (VIIRS) era. With proper algorithm development, the blended version of the data suite, composed of the AVHRR dataset from 1981 to 2012 and VIIRS dataset from 2013 and afterwards, has bridged the long-term AVHRR observation and high-quality VIIRS data. This paper explains the blended version of the data suite.

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