北方缺水城市水資源短缺問題解決策略研究——以廊坊市為例
發(fā)布時間:2018-07-09 13:39
本文選題:水資源短缺 + 水資源供需平衡。 參考:《中國農村水利水電》2017年11期
【摘要】:針對造成北方城市水資源短缺的癥結所在,基于水資源可持續(xù)利用的用水模式,提出科學解決策略,即在配置方法上,注重多源統(tǒng)籌調控;在利用方向上,實現(xiàn)先內后外,次序開發(fā);在措施保障上構建水系連通網絡。合理配置本地地表水、地下水、再生水、雨洪水、外調水、過境水多資源,提升城市供水保證率;構建豐枯互濟的大水源連通網絡,實現(xiàn)地下水采補平衡;確保外調水與本地水、地表水與地下水、常規(guī)水源與應急水源聯(lián)合調度。以廊坊市為研究區(qū),遵循"先節(jié)水后調水,先治污后通水,先環(huán)保后用水"的理念,基于"三次平衡"分析思想實現(xiàn)水資源供需平衡。結合廊坊市的水資源平衡分析結果,2030年廊坊市多年平均缺水量為0.02億m~3(需水量為13.63億m~3,供水量為13.61億m~3),缺水率為0.1%。論文提出解決廊坊市缺水的水量調度原則和綠色水系網絡連通方案。研究成果為解決北方缺水城市水量不足問題提供經驗借鑒。
[Abstract]:In view of the crux of the shortage of water resources in northern cities, and based on the water use mode of sustainable utilization of water resources, this paper puts forward the scientific solution strategy, that is, paying attention to the overall regulation of multiple sources in the allocation method, and realizing the first in the first and the later outside in the direction of utilization. Order development; in the measures to ensure the construction of water network connectivity. Reasonable allocation of local surface water, groundwater, reclaimed water, rain and flood, external transfer water, transit water resources to enhance the guarantee rate of urban water supply, build a large water supply network, achieve groundwater recovery balance; Ensure the combined operation of external and local water, surface water and groundwater, conventional and emergency water sources. Taking Langfang city as the research area, following the idea of "saving water first, then transferring water, treating pollution first, then using water for environmental protection", the balance between supply and demand of water resources is realized based on the idea of "three times balance". Based on the results of water resources balance analysis in Langfang city, the average annual water shortage of Langfang city in 2030 is 2 million mm3 (water demand is 1.363 billion mm3, water supply is 1.361 billion mm3), and the water shortage rate is 0.1%. In this paper, the principle of water regulation and the scheme of green water network connection are put forward to solve the water shortage in Langfang city. The research results provide experience for solving the problem of water shortage in North China.
【作者單位】: 中國水利水電科學研究院;水利部水利水電規(guī)劃設計總院;重慶交通大學;
【基金】:國家重點研發(fā)計劃項目(2016YFC04014-08) 河湖水系生態(tài)連通規(guī)劃關鍵技術研究與示范(201501030) 國家自然科學基金資助項目(51409269)
【分類號】:TV213.4
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