Use Plan for a Drought Estimate Using NOAA AVHRR Images

AVHRR 위성영상을 이용한 가뭄평가 활용 방안

This study aims to evaluate applicability of AVHRR NDVI for drought prediction. Drought, one of the typical natural disasters, has damaged almost every year in different places and at time varied. An AVHRR satellite image can be a comprehensive tool to measure the drought because it is easy to obtain the vegetation status over the nationwide. This study explored a possibility of NOAA AVHRR NDVI applicability to drought because NDVI can provide plant vitality. Using May AVHRR imageries in 1998, 1999, and 2000, NDVIs are derived and compared with the rainfall amount to pursue the relationship between NDVI and drought. From the result, AVHRR NDVI showed a possible applicability in using drought prediction.