Quantitative Estimation Models and Their Application of Ecological Water Use at a Basin Scale |
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| Authors: | Ranghui Wang Xinmin Lu |
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| Affiliation: | (1) College of Environmental Science and Engineering, Nanjing University of Information Science and Technology, No.114 Pancheng New Street, Pukou District, Nanjing, 210044, Jiangsu, China;(2) Xinjiang Academy of Water Conservancy and Hydroelectricity, Hongyanchi Road, Urumqi, 830049, Xinjiang, China |
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| Abstract: | Ecological water use (EWU) is urgent in need in the lower reaches of Tarim River in China. Estimation of water amount for
EWU is depending on some parameters and modeling. EWU is mainly consists of two parts in no runoff area in the basin, i.e.
total water amount for restoration groundwater table and total stand water amount of the all river courses. The former is
including water amount for restoration of groundwater table, lateral discharge and evaporation of water surface. The estimated
values are 8.18 × 108 m3, 0.68 × 108 m3/a and 0.132 × 108 m3/a respectively. Based on the groundwater depth rising 4.0 meters requiring 5 years, the total water amount for restoration
groundwater table is 2.448 × 108 m3/a. The latter, i.e., total stand water amount is 1.992 × 108 m3/a. However, the development of water management measures could alleviate the issue and lead to sustainable EWU in the lower
reaches of Tarim River. |
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| Keywords: | Ecological water use (EWU) Quantitative estimation model Eco-hydrology Water resource management |
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