干旱区科学2021，Vol.13Issue(4)：413-430,18.
Drought trend analysis in a semi-arid area of Iraq based on Normalized Difference Vegetation Index,Normalized Difference Water Index and Standardized Precipitation Index
Drought trend analysis in a semi-arid area of Iraq based on Normalized Difference Vegetation Index,Normalized Difference Water Index and Standardized Precipitation Index
摘要
关键词
climate change/drought/Normalized Difference Vegetation Index(NDVI)/Normalized Difference Water Index(NDWI)/Standardized Precipitation Index(SPI)/delay effectKey words
climate change/drought/Normalized Difference Vegetation Index(NDVI)/Normalized Difference Water Index(NDWI)/Standardized Precipitation Index(SPI)/delay effect引用本文复制引用
Ayad M F AL-QURAISHI,Heman A GAZNAYEE,Mattia CRESPI..Drought trend analysis in a semi-arid area of Iraq based on Normalized Difference Vegetation Index,Normalized Difference Water Index and Standardized Precipitation Index[J].干旱区科学,2021,13(4):413-430,18.基金项目
The authors would like to thank the College of Agricultural Engineering Sciences,Salahaddin University,Erbil in Iraq,for its valuable support in this article.We are also grateful to the United States Geological Survey for gratuitously providing Landsat images.Special thanks are also to the anonymous reviewers,whose comments remarkably contributed to improve the paper. （）
