[1]LI Yong-liang,LIN Hui,MA Yan-hui.Study on Drought Monitoring by Using MODIS Data in Hu’nan Province[J].Research of Soil and Water Conservation,2010,17(02):111-114.
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Study on Drought Monitoring by Using MODIS Data in Hu’nan Province
Research of Soil and Water Conservation[ISSN 1005-3409/CN 61-1272/P] Volume:
17
Number of periods:
2010 02
Page number:
111-114
Column:
Public date:
2010-04-20
- Title:
- Study on Drought Monitoring by Using MODIS Data in Hu’nan Province
- Keywords:
- remote sensing; drought; MODIS; EVI-Ts space; VTCI
- CLC:
- S152.7;P426.616
- DOI:
- -
- Abstract:
- The occurrence of drought not only affects the local agricultural production but also greatly damages the local ecological environment. This study based on MODIS data monitors the distribution of drought in Hu’nan province in late July 2005, using vegetation temperature condition index (VTCI) as drought indicator. Considering the advantages and disadvantages of the normalized difference vegetation index (NDVI) and enhanced vegetation index (EVI), using EVI instead of NDVI to establish EVI-Ts space and the Split-Window Algorithm to retrieve land surface temperature, the final distribution of drought is broadly in line with the actual situation. This study showed that this method is suitable for monitoring drought in Hu’nan province and is also convenient, efficient and near-real time drought monitoring approach which may be used to monitor in the wide range.
- References:
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1900-01-01