干旱区生态环境知识资源中心(Arid): Impact of climate change and human activities on the spatiotemporal dynamics of surface water area in Gansu Province, China

Arid

DOI	10.1007/s40333-024-0078-z
	Impact of climate change and human activities on the spatiotemporal dynamics of surface water area in Gansu Province, China
	Lu, Haitian; Zhao, Ruifeng; Zhao, Liu; Liu, Jiaxin; Lyu, Binyang; Yang, Xinyue
通讯作者	Zhao, RF
来源期刊	JOURNAL OF ARID LAND
ISSN	1674-6767
EISSN	2194-7783
出版年	2024
卷号	16 期号:6 页码:798-815
英文摘要	Understanding the dynamics of surface water area and their drivers is crucial for human survival and ecosystem stability in inland arid and semi-arid areas. This study took Gansu Province, China, a typical area with complex terrain and variable climate, as the research subject. Based on Google Earth Engine, we used Landsat data and the Open-surface Water Detection Method with Enhanced Impurity Control method to monitor the spatiotemporal dynamics of surface water area in Gansu Province from 1985 to 2022, and quantitatively analyzed the main causes of regional differences in surface water area. The findings revealed that surface water area in Gansu Province expanded by 406.88 km2 from 1985 to 2022. Seasonal surface water area exhibited significant fluctuations, while permanent surface water area showed a steady increase. Notably, terrestrial water storage exhibited a trend of first decreasing and then increasing, correlated with the dynamics of surface water area. Climate change and human activities jointly affected surface hydrological processes, with the impact of climate change being slightly higher than that of human activities. Spatially, climate change affected the 'source' of surface water to a greater extent, while human activities tended to affect the 'destination' of surface water. Challenges of surface water resources faced by inland arid and semi-arid areas like Gansu Province are multifaceted. Therefore, we summarized the surface hydrology patterns typical in inland arid and semiarid areas and tailored surface water 'supply-demand' balance strategies. The study not only sheds light on the dynamics of surface water area in Gansu Province, but also offers valuable insights for ecological protection and surface water resource management in inland arid and semi-arid areas facing water scarcity.
英文关键词	surface water area terrestrial water storage Open-surface Water Detection Method with Enhanced Impurity Control method Google Earth Engine climate change human activities inland arid and semi-arid areas
类型	Article
语种	英语
收录类别	SCI-E
WOS记录号	WOS:001280578500003
WOS关键词	RESOURCES MANAGEMENT ; SECURITY ; DECLINE ; REGION
WOS类目	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/2XILL650/404377
推荐引用方式 GB/T 7714	Lu, Haitian,Zhao, Ruifeng,Zhao, Liu,et al. Impact of climate change and human activities on the spatiotemporal dynamics of surface water area in Gansu Province, China[J],2024,16(6):798-815.
APA	Lu, Haitian,Zhao, Ruifeng,Zhao, Liu,Liu, Jiaxin,Lyu, Binyang,&Yang, Xinyue.(2024).Impact of climate change and human activities on the spatiotemporal dynamics of surface water area in Gansu Province, China.JOURNAL OF ARID LAND,16(6),798-815.
MLA	Lu, Haitian,et al."Impact of climate change and human activities on the spatiotemporal dynamics of surface water area in Gansu Province, China".JOURNAL OF ARID LAND 16.6(2024):798-815.