干旱区生态环境知识资源中心(Arid): A Geospatial Approach for Analysis of Drought Impacts on Vegetation Cover and Land Surface Temperature in the Kurdistan Region of Iraq

Arid

DOI	10.3390/w14060927
	A Geospatial Approach for Analysis of Drought Impacts on Vegetation Cover and Land Surface Temperature in the Kurdistan Region of Iraq
	Gaznayee, Heman Abdulkhaleq A.; Al-Quraishi, Ayad M. Fadhil; Mahdi, Karrar; Ritsema, Coen
通讯作者	Gaznayee, HAA
来源期刊	WATER
EISSN	2073-4441
出版年	2022
卷号	14 期号:6
英文摘要	Drought is a common event in Iraq's climate, and the country has severely suffered from drought episodes in the last two decades. The Kurdistan Region of Iraq (KRI) is geographically situated in the semi-arid zone in Iraq, whose water resources have been limited in the last decades and mostly shared with other neighboring countries. To analyze drought impacts on the vegetation cover and the land surface temperature in the KRI for a span of 20 years from 1998 to 2017, remote sensing (RS) and Geographical Information Systems (GIS) have been adopted in this study. For this study, 120 Landsat satellite images were downloaded and utilized, whereas six images covering the entire study area were used for each year of the study period. The Normalized Difference Vegetation Index (NDVI) and Land Surfaces Temperature Index (LST) were applied to produce multi-temporal classified drought maps. Changes in the area and values of the classified NDVI and LST were calculated and mapped. Mann-Kendall and Sen's Slope statistical tests were used to assess the variability of drought indices variation in 60 locations in the study area. The results revealed increases in severity and frequency of drought over the study period, particularly in the years 2000 and 2008, which were characterized by an increase in land surface temperatures, a decrease in vegetation area cover, and a lack of precipitation averages. Climate conditions affect the increase/decrease of the vegetated cover area, and geographical variability is also one factor that significantly influences the distribution of vegetation. It can be concluded that the southeast and southwestern parts of the KRI were subjected to the most severe droughts over the past 20 years.
英文关键词	drought KRI NDVI LST
类型	Article
语种	英语
开放获取类型	gold
收录类别	SCI-E
WOS记录号	WOS:000774303000001
WOS关键词	EMISSIVITY ESTIMATION ; MONITORING DROUGHT ; GREAT-PLAINS ; INDEX ; PRECIPITATION ; NDVI ; DEGRADATION ; MULTISENSOR ; PRODUCTS ; WATER
WOS类目	Environmental Sciences ; Water Resources
WOS研究方向	Environmental Sciences & Ecology ; Water Resources
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/394770
推荐引用方式 GB/T 7714	Gaznayee, Heman Abdulkhaleq A.,Al-Quraishi, Ayad M. Fadhil,Mahdi, Karrar,et al. A Geospatial Approach for Analysis of Drought Impacts on Vegetation Cover and Land Surface Temperature in the Kurdistan Region of Iraq[J],2022,14(6).
APA	Gaznayee, Heman Abdulkhaleq A.,Al-Quraishi, Ayad M. Fadhil,Mahdi, Karrar,&Ritsema, Coen.(2022).A Geospatial Approach for Analysis of Drought Impacts on Vegetation Cover and Land Surface Temperature in the Kurdistan Region of Iraq.WATER,14(6).
MLA	Gaznayee, Heman Abdulkhaleq A.,et al."A Geospatial Approach for Analysis of Drought Impacts on Vegetation Cover and Land Surface Temperature in the Kurdistan Region of Iraq".WATER 14.6(2022).