本文選題：水循環(huán)模型 + 入湖水量　； 參考：《干旱區(qū)研究》2017年02期

【摘要】：黃旗海濕地是華北地區(qū)重要的生態(tài)安全屏障,濕地所處的黃旗海盆地屬于農(nóng)牧交錯(cuò)區(qū)和多民族聚居區(qū),生態(tài)十分脆弱。通過(guò)分析濕地退化原因,提出了平原區(qū)深層地下水過(guò)量開(kāi)采是黃旗海湖水干枯的直接原因。建立了濕地湖水水量平衡分析模型,模擬不同降水和規(guī)劃條件下入湖水量組成及其變化。分析表明:豐、平、枯水年份可以維持的平均水面面積分別為29.83 km~2、31.67 km~2和23.79 km~2;最大水面出現(xiàn)在年底,湖泊未來(lái)水文情勢(shì)不同于歷史時(shí)期,因地表來(lái)水呈減少趨勢(shì),湖水面的維持將越來(lái)越依賴地下水。2020年和2030年生態(tài)修復(fù)可維持湖水面面積目標(biāo)分別為20 km~2和30 km~2。研究成果可為黃旗海流域水資源開(kāi)發(fā)與水生態(tài)保護(hù)規(guī)劃提供科學(xué)依據(jù)。
[Abstract]:The Yellow Banner Sea Wetland is an important ecological security barrier in North China. The Yellow Banner Sea Basin located in the Yellow Banner Sea Basin belongs to the interlaced area of agriculture and animal husbandry and the multi-ethnic settlement area, and the ecology is very fragile. Based on the analysis of the causes of wetland degradation, it is pointed out that excessive exploitation of deep groundwater in plain area is the direct cause of water drying up in Huangqihai Lake. A water balance analysis model of wetland lake was established to simulate the composition and variation of water flow in wetland lake under different precipitation and planning conditions. The analysis shows that the average water surface area can be maintained in the year of abundant, flat and dry water is 29.83 km2 231.67 km~2 and 23.79 km2, respectively. The maximum water level appears at the end of the year, and the future hydrological situation of the lake is different from that of the historical period, because of the decreasing trend of the surface water coming from the lake. The maintenance of lake surface will be more and more dependent on groundwater. In 2020 and 2030, the ecological restoration can maintain the lake surface area targets of 20 km~2 and 30 km 路m ~ (2), respectively. The research results can provide scientific basis for water resources development and water ecological protection planning in the Yellow Banner Sea Basin.
【作者單位】： 中國(guó)水利水電科學(xué)研究院;
【基金】：國(guó)家自然科學(xué)基金項(xiàng)目(41272273)
【分類號(hào)】：P333

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本文編號(hào)：1845336