疏勒河中游綠洲生態(tài)環(huán)境需水研究——Ⅰ.方法與參數(shù)選取
[Abstract]:The study on ecological environment water demand of oasis in arid inland river basin is one of the most key scientific problems in comprehensive management and optimal allocation of water resources, protection and restoration of ecological environment in inland river basin. According to the present situation of oasis ecological environment and the characteristics of natural vegetation, rivers and lakes in the middle reaches of Shule River, this study establishes based on natural vegetation, river, river and so on. The quantitative model of ecological environment water demand of oasis in the middle reaches of Shule River is studied in order to provide a reference method for the study of ecological environment water demand of oasis in arid inland river basin. The results of model calculation show that the natural vegetation, river basic ecology, river sediment transport, river leakage recharge, water surface evaporation and wetland ecological environment water demand are 1.90 脳 108m3, 1.00 脳 108m3, 1.11 脳 108m3, 0.83 脳 108m3, 0.68 脳 108m3, 2.70 脳 108m3, 1.11 脳 108m3, 0.83 脳 108m3, 0.68 脳 108m3, 2.70 脳 108m3, 1.90 脳 108m3, 1.11 脳 108m3, 0.83 脳 108m3, 0.68 脳 108m3, 2.70 脳 108m3, respectively. According to the present situation of water resources and ecological environment in the middle reaches of Shule River Basin, we should strengthen the comprehensive management of water resources, coordinate the relationship between agricultural water use and ecological water use, and the allocation of water resources in different regions and different departments, so as to improve the efficiency of comprehensive utilization of water resources. The short-term and long-term ecological protection and ecological restoration objectives of the middle reaches oasis are further formulated, the key points of ecological comprehensive management are determined, and the ecological water demand and threshold of the middle reaches oasis based on the ecological protection goal are calculated accurately.
【作者單位】: 甘肅省水利科學(xué)研究院;甘肅省水利廳水土保持局;
【基金】:國(guó)家自然科學(xué)基金項(xiàng)目“疏勒河流域中游綠洲生態(tài)需水過(guò)程與閾值研究”(51369004)和“氣候與土地利用變化對(duì)石羊河流域水資源影響研究”(51369003) 水利部公益性行業(yè)科研專項(xiàng)“疏勒河中游綠洲水—經(jīng)濟(jì)—生態(tài)系統(tǒng)耦合調(diào)控技術(shù)”(201301081)
【分類號(hào)】:TV213.4;X143
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