干旱区生态环境知识资源中心(Arid): Analysis of rapid snow and ice cover loss in mountain glaciers of arid and semi-arid regions using remote sensing data

Arid

DOI	10.1016/j.jaridenv.2024.105153
	Analysis of rapid snow and ice cover loss in mountain glaciers of arid and semi-arid regions using remote sensing data
	Motiee, Soroush; Motiee, Homayoun; Ahmadi, Azadeh
通讯作者	Motiee, H
来源期刊	JOURNAL OF ARID ENVIRONMENTS
ISSN	0140-1963
EISSN	1095-922X
出版年	2024
卷号	222
英文摘要	This article investigates the effects of climate change on snow cover and glacier in mountainous glacial areas in northern region of Iran. Due to the lack of glacier measuring stations, accurately assessing changes in snow cover over the past two decades is a challenge for water experts. This research instead utilized remote sensing data from the MODIS sensor on the Terra satellite in Google Earth Engine (GEE) system covering the period from 2000 to 2020. The annual temperature changes near the Earth's surface, using ERA5 data, showed a significant increase of 1.5 degrees C in average temperature over the past thirty years. The Mann-Kendall test confirms the statistical significance of the temperature rise, with a significance value of 3.5 and a p-value of 0.002. For MODIS data validation, two methods of overall accuracy and the Kappa coefficient were used with 93% and 85% of accuracy. While the annual snowfall and volume have remained relatively stable over the past 20 years, the findings indicate a decreasing trend of snow cover during warmer months (summer) due to rising air temperatures. The findings show a strong negative correlation coefficient of -0.8 between snow cover and annual average temperature. The results indicate a 30% decrease in summer snow cover compared to the spatial extent of two decades ago. The rapid snowmelt poses a significant threat to permanent glaciers in the region as the protective snow cover diminishes, putting these glaciers at risk of completely melting in the future. The loss of these glaciers will have severe consequences for the environment, including impacts on local water supplies, river flows, and the ecosystem.
英文关键词	Climate change Google earth engine NDSI Mann-Kendall MODIS Remote sensing
类型	Article
语种	英语
收录类别	SCI-E
WOS记录号	WOS:001224555400001
WOS关键词	ACCURACY ASSESSMENT ; GOOGLE EARTH ; MODIS ; PRODUCT ; MAPS ; PART
WOS类目	Ecology ; Environmental Sciences
WOS研究方向	Environmental Sciences & Ecology
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/404344
推荐引用方式 GB/T 7714	Motiee, Soroush,Motiee, Homayoun,Ahmadi, Azadeh. Analysis of rapid snow and ice cover loss in mountain glaciers of arid and semi-arid regions using remote sensing data[J],2024,222.
APA	Motiee, Soroush,Motiee, Homayoun,&Ahmadi, Azadeh.(2024).Analysis of rapid snow and ice cover loss in mountain glaciers of arid and semi-arid regions using remote sensing data.JOURNAL OF ARID ENVIRONMENTS,222.
MLA	Motiee, Soroush,et al."Analysis of rapid snow and ice cover loss in mountain glaciers of arid and semi-arid regions using remote sensing data".JOURNAL OF ARID ENVIRONMENTS 222(2024).