首页|Hydrological and water cycle processes of inland river basins in the arid region of Northwest China

Hydrological and water cycle processes of inland river basins in the arid region of Northwest China

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The increasing shortage in water resources is a key factor affecting sustainable socio-economic development in the arid region of Northwest China (ARNC).Water shortages also affect the stability of the region's oasis ecosystem.This paper summarizes the hydrological processes and water cycle of inland river basins in the ARNC,focusing on the following aspects:the spatial-temporal features of water resources (including air water vapor resources,runoff,and glacial meltwater) and their driving forces;the characteristics of streamflow composition in the inland river basins;the characteristics and main controlling factors of baseflow in the inland rivers;and anticipated future changes in hydrological processes and water resources.The results indicate that:(1) although the runoff in most inland rivers in the ARNC showed a significant increasing trend,both the glaciated area and glacial ice reserves have been reduced in the mountains;(2) snow melt and glacier melt are extremely important hydrological processes in the ARNC,especially in the Kunlun and Tianshan mountains;(3) baseflow in the inland rivers of the ARNC is the result of climate change and human activities,with the main driving factors being the reduction in forest area and the over-exploitation and utilization of groundwater in the river basins;and (4) the contradictions among water resources,ecology and economy will further increase in the future.The findings of this study might also help strengthen the ecological,economic and social sustainable development in the study region.

water resourcesclimate changeriver runoffbaseflowstreamflow compositioninland river basinarid region of Northwest China

CHEN Yaning、LI Baofu、FAN Yuting、SUN Congjian、FANG Gonghuan

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State Key Laboratory of Desert and Oasis Ecology, Xinjiang Institute of Ecology and Geography, Chinese Academy of Sciences, Urumqi 830011, China

School of Geography and Tourism, Qufu Normal University, Rizhao 276826, China

Key Laboratory of Tree-Ring Physical and Chemical Research of China Meteorological Administration/Xinjiang Laboratory of Tree Ring Ecology, Institute of Desert Meteorology, China Meteorological Administration, Urumqi 830002, China

School of Geographical Science, Shanxi Normal University, Linfen 041000, China

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research is supported by the National Natural Science Foundation of Chinaresearch is supported by the National Natural Science Foundation of ChinaStrategic Priority Research Program of the Chinese Academy of Sciences

41630859XDA19030204

2019

干旱区科学
中国科学院新疆生态与地理研究所,科学出版社

干旱区科学

CSTPCDCSCDSCI
影响因子：1.743
ISSN：1674-6767
年,卷(期)：2019.11(2)
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