基于ArcGIS的黃河府谷至吳堡未控區(qū)洪水模擬
發(fā)布時間:2018-11-24 20:00
【摘要】:選取黃河中游清涼寺溝和佳蘆河為典型支流,采用1980—2013年的歷史洪水資料,基于霍頓下滲能力曲線建立產匯流模型,率定出產匯流參數,供府谷—吳堡未控區(qū)借鑒使用;基于ArcGIS將府谷—吳堡未控區(qū)劃分為20個單元,分析各單元馬斯京根法參數,對該未控區(qū)歷史典型洪水進行模擬。結果表明:模擬效果較好,平均峰現誤差為-0.4 h,洪峰誤差均在預報允許范圍之內,確定性系數為0.66。
[Abstract]:Selecting Qingliangsigou and Jialu River in the middle reaches of the Yellow River as typical tributaries, using the historical flood data from 1980 to 2013, the model of production and confluence was established based on Horton infiltration ability curve, and the yield confluence parameters were determined for use for reference in Fugu Wubao uncontrolled area. Based on ArcGIS, the uncontrolled area of Fugu and Wubao is divided into 20 units, and the parameters of each unit are analyzed, and the historical typical flood in this uncontrolled area is simulated. The results show that the simulation effect is good, the average peak error is -0.4 h, Hong Feng error is within the forecast allowable range, and the deterministic coefficient is 0.66.
【作者單位】: 黃河水利委員會水文局;
【基金】:國家重點研發(fā)計劃項目(2016YFC0402401) 中央級公益性科研院所基本科研業(yè)務費專項(HKY-JBYW-2014-21)
【分類號】:P208;TV122
本文編號:2354858
[Abstract]:Selecting Qingliangsigou and Jialu River in the middle reaches of the Yellow River as typical tributaries, using the historical flood data from 1980 to 2013, the model of production and confluence was established based on Horton infiltration ability curve, and the yield confluence parameters were determined for use for reference in Fugu Wubao uncontrolled area. Based on ArcGIS, the uncontrolled area of Fugu and Wubao is divided into 20 units, and the parameters of each unit are analyzed, and the historical typical flood in this uncontrolled area is simulated. The results show that the simulation effect is good, the average peak error is -0.4 h, Hong Feng error is within the forecast allowable range, and the deterministic coefficient is 0.66.
【作者單位】: 黃河水利委員會水文局;
【基金】:國家重點研發(fā)計劃項目(2016YFC0402401) 中央級公益性科研院所基本科研業(yè)務費專項(HKY-JBYW-2014-21)
【分類號】:P208;TV122
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