人民黄河2016，Vol.38Issue(11)：50-53,144,5.DOI:10.3969/j.issn.1000-1379.2016.11.012
基于改进TVDI指数的河南省干旱监测
Monitoring of Henan Province Drought Using the Improved TVDI Index
摘要
Abstract
Under the foundation of the improved TVDI index formula and based on the MODIS data of Henan Province from March to October of 2014, the TVDI index of the whole area was calculated. On the basis of the study results, the monitoring of drought in Henan Province within temporal and spatial range was analyzed. The results of the study show that the drought occurred in April, May and July of 2014 in Henan Province, especially in July the heavy drought area reaches to 38% and medium drought area reaches to 15%; the drought area percentage reduces gradually after entering in August and gradually eliminates in October;at the same time through the analysis contrasting with the monitoring results from the Henan Provincial Meteorological Station, it shows that the dynamic test results of drought progress based on improved TVDI index, matched with the actual drought occurrence process of Henan Province and that the improved TVDI index can provide an effective method of drought monitoring for Henan Province.关键词
MODIS/改进TVDI/干旱监测/河南省Key words
MODIS/improved TVDI/drought detection/Henan Province分类
农业科技引用本文复制引用
张文鸽,刘豪,殷会娟..基于改进TVDI指数的河南省干旱监测[J].人民黄河,2016,38(11):50-53,144,5.基金项目
国家自然科学基金资助项目（51309108）。 （）
