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A platform for research: civil engineering, architecture and urbanism
Relationship between Landform Development and Lake Water Recharge in the Badain Jaran Desert, China
Four distinctive but poorly documented landforms in the Badain Jaran megadunes were studied: arcuate steps, multi-stage fans, depressions formed by runoff erosion, and groundwater overflow zones around lakes. The development of these four landform types indicates the following: (1) The hydrological balance in the sand layers of the megadune areas is positive; (2) After evaporation and transpiration, precipitation is able to infiltrate the deep sand layers; (3) Precipitation is a source for the groundwater and for many of the lakes of the area. The groundwater recharge mechanism is characterized by intense precipitation events that provide a water source, high infiltration rate, shallow evaporation depth, and low water retention. These factors together enable the precipitation to be transformed into groundwater. The energy of gravity water and the high water film pressure of adsorbed water together provide the forces necessary for effective water recharge.
Relationship between Landform Development and Lake Water Recharge in the Badain Jaran Desert, China
Four distinctive but poorly documented landforms in the Badain Jaran megadunes were studied: arcuate steps, multi-stage fans, depressions formed by runoff erosion, and groundwater overflow zones around lakes. The development of these four landform types indicates the following: (1) The hydrological balance in the sand layers of the megadune areas is positive; (2) After evaporation and transpiration, precipitation is able to infiltrate the deep sand layers; (3) Precipitation is a source for the groundwater and for many of the lakes of the area. The groundwater recharge mechanism is characterized by intense precipitation events that provide a water source, high infiltration rate, shallow evaporation depth, and low water retention. These factors together enable the precipitation to be transformed into groundwater. The energy of gravity water and the high water film pressure of adsorbed water together provide the forces necessary for effective water recharge.
Relationship between Landform Development and Lake Water Recharge in the Badain Jaran Desert, China
Da-Peng Yue (author) / Jing-Bo Zhao (author) / Yan-Dong Ma (author) / Xiao-Gang Huang (author) / Tian-Jie Shao (author) / Xiao-Qing Luo (author) / Ai-Hua Ma (author)
2019
Article (Journal)
Electronic Resource
Unknown
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