【摘要】 阐述了内蒙古河套灌区的水文要素特征和农业节水改造形势。综合考虑区域性水循环过程中地下水系统、地表水系统和土壤植物大气连续体的密切联系,建立了内蒙古河套灌区人工自然复合型的GSPAC系统模型。以各子系统的水均衡为控制条件,计算了现状和节水改造后灌区GSPAC水循环界面通量,并预测了地下水埋深变化的幅度。更多还原

【Abstract】 The hydrological characteristics of Hetao irrigation district, a large-scale agricultrural plan which taken water from the Yellow River in Inner Mongolia, China, are introduced as well as the situation of water-saving project. In considering of the linking of groundwater system (G), surface water system (S) and soil-plan-atmosphere continuum (SPAC) in regional water cycling process, the scheme of GSPAC system coulping natrural mechanism with humen activities is presented. The fluxes of water at interfaces in the GSPAC system are simulated to satisfy water balance in any subsystem, for the current situation and the time when the water-saving project completed. Change of groundwater level due to the water-saving project is predicted.更多还原