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Investigate the relationships between the Aral Sea shrinkage and the expansion of cropland and reservoir in its drainage basins between 2000 and 2020

引用

International Journal of Digital Earth 2021年第6期14卷 661-677页

作者： Qiang Li Xin Li Youhua Ran Min Feng Yanyun Nian Meibao Tan Xi Chen Key Laboratory of Remote Sensing of Gansu Province Heihe Remote Sensing Experimental Research StationNorthwest Institute of Eco-Environment and ResourcesChinese Academy of SciencesLanzhouPeople’s Republic of China National Tibetan Plateau Data Center Key Laboratory of Tibetan Environmental Changes and Land Surface ProcessesInstitute of Tibetan Plateau ResearchChinese Academy of SciencesBeijingPeople’s Republic of China CAS Center for Excellence in Tibetan Plateau Earth Sciences BeijingPeople’s Republic of China University of Chinese Academy of Sciences Chinese Academy of SciencesBeijingPeople’s Republic of China Key Laboratory of Western China’s Environmental Systems(Ministry of Education) College of Earth and Environmental SciencesLanzhou UniversityLanzhouPeople’s Republic of China College of Earth and Environmental Sciences Lanzhou UniversityLanzhouPeople’s Republic of China Xinjiang Institute of Ecology and Geography Chinese Academy of SciencesUrumqiPeople’s Republic of China

The Aral Sea crisis is considered one of the most severe ecological tragedies from the 1960s in Central *** reasons for this crisis,especially in the twenty-first century,are still scientific *** study investigated the relationship between land cover change in the Aral Sea related basins and the Aral Sea crisis from 2000 to 2020 by employing the GlobeLand30 dataset with 30 m *** showed that the cultivated land in the Aral Sea basin increased by 2,291 km^(2),and 75.4%of it occurred in the region of karakum canal,the largest water conservancy project for irrigation in the *** water surface area of reservoirs increased by 1,183.5 km^(2) during the same *** with this change,the Aral Sea further shrank from 26,280.8 km^(2) in 2000 to 9,285.2 km^(2) in 2020,mainly occurred in the first decade of the twenty-first *** imply that the Aral Sea crisis is persistent in the twenty-first century and is likely driven by water competition among different regions within the basin for agricultural *** the coordination and cooperation of crossboundary water resource management is still the most important management strategy choice to address the crisis from a broader perspective.

关键词： Aral Sea karakum canal water resource management endorheic river basins remote sensing

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