Characterization of groundwater recharge, runoff and drainage and their dynamic changes in Linhe, Inner Mongolia
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摘要: 查明地下水的补给、径流、排泄特征及动态变化规律,可为地下水资源开发与保护提供科学依据。通过长期观测内蒙古临河区地下水变化,综合研究前人资料,分析该区地下水补给、径流和排泄特征及动态变化规律。该区属于河套灌区,人类灌溉活动对地下水的补给占全部补给量的65.5%; 人工开采及排干沟排泄等人为因素排泄占排泄总量的67.7%。通过分析该区年内地下水动态变化趋势,认为该区灌溉区地下水位动态与灌溉活动一致,城区地下水位动态主要受人工开采活动影响。Abstract: We have identified groundwater recharge, runoff , drainage characteristics and dynamic variation, and provided a reliable scientific basis for the development and protection of groundwater resources. Based on the long-term observation data and collecting research data of Linhe groundwater, we analyzed the regional groundwater recharge, runoff and drainage characteristics and influencing factors. The study area belongs Hetao irrigation area and human irrigation activities accounted for 65.5% of all replenishment. Human exploitation and drains ditches or other human activities accounted for 67.7% of all excretion. In addition, we studied the changing trends of groundwater level in the study area, and concluded that dynamic changes of groundwater level were consistent with irrigation activities in irrigation district. Dynamic changes of urban groundwater level were mainly affected by human exploitation.
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Keywords:
- groundwater /
- recharge /
- runoff /
- drainage /
- dynamic changes /
- Linhe, Inner Mongolia
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