| 江苏省无资料山丘区洛阳河流域径流模拟方法探讨 |
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| 引用本文： | 纪小敏,陈颖冰,谢海文,石朋,李国芳,陈鑫.江苏省无资料山丘区洛阳河流域径流模拟方法探讨[J].水文,2018,38(3):57-61. |
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| 作者姓名： | 纪小敏 陈颖冰 谢海文 石朋 李国芳 陈鑫 |
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| 作者单位： | 江苏省水文水资源勘测局;河海大学水文水资源学院;江苏省水文水资源勘测局南京分局;江苏省水文水资源勘测局镇江分局 |
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| 基金项目： | 国家自然科学基金项目(51479062/41371048)；江苏省水利科技项目(2016012)； |
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| 摘 要： | 近年来,无资料或资料缺乏地区汇流计算成为水文研究热点。基于地形参数的地貌瞬时单位线(GIUH)方法凭借其对历史降雨径流实测资料的不依赖性,已然成为径流模拟研究中被普遍采用且效果较好的方法之一。为探讨江苏省无资料山丘区的径流模拟方法,选取具有典型地形地貌特征的镇江通胜洛阳河小流域展开研究。根据地貌特征值等数据提取出该流域的地貌单位线,采用地貌单位线计算径流过程,利用2016、2017年汛期实测的4场洪水进行方法验证,将计算径流与实测数据进行对比分析,结果表明:基于地貌特征的地貌单位线法在该流域洪水模拟中具有较高精度,又因该流域于江苏省乃代表性区域,初步判定可将该方法推广至其他无资料山丘区流域。
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| 关 键 词： | 无资料山丘区 汇流计算 地貌单位线 洛阳河小流域 |
| 收稿时间： | 2017/2/25 0:00:00 |
Method of Runoff Simulation for Luoyanghe Watershed in Ungauged Hilly Areas of Jiangsu Province |
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| JI Xiaomin,CHEN Yingbing,XIE Haiwen,SHI Peng,LI Guofang,CHEN Xin.Method of Runoff Simulation for Luoyanghe Watershed in Ungauged Hilly Areas of Jiangsu Province[J].Hydrology,2018,38(3):57-61. |
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| Authors: | JI Xiaomin CHEN Yingbing XIE Haiwen SHI Peng LI Guofang CHEN Xin |
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| Institution: | 1.Hydrology and Water Resources Investigation Bureau of Jiangsu Province, Nanjing 210029, China;2.College of Hydrology and Water Resources, Hohai University, Nanjing 210098, China;3. Nanjing Hydrology and Water Resources Investigation Bureau of Jiangsu Province, Nanjing 210008, China;4. Zhenjiang Hydrology and Water Resources Investigation Bureau of Jiangsu Province, Zhenjiang 212000,China |
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| Abstract: | Recently, the calculation of flow concentration in ungauged or partially gauged regions has been occupied a spot in the hydrologyresearch. The methodology of geomorphological instantaneous unit hydrograph (GIUH) on the basis of terrain parameters has becoming a commonused and well performed approach relying on the independency of the historical observed rainfall and runoff data. In order to investigate themethod of runoff simulation for the ungauged areas in Jiangsu province, this paper studied a watershed with typical topographic andgeomorphologic characteristics (the Luoyanghe Catchment in Zhenjiang). In the Luoyanghe Watershed, the measured runoff data were simulatedwith the method of GIUH which is extracted based on the topography feature values. To validate the effect of the GIUH approach, an analysis of thecomparison between the observed and calculated runoff of 4 flood events in the flood season in 2016 and 2017 was launched. The results indicatethat the GIUH computed by the topographic and geomorphologic indices is feasible to the flood simulation for the Luoyanghe Watershed. SinceLuoyanghe is a representative catchment in Jiangsu hilly area, the GIUH can be generalized in the flood simulation to the other areas. |
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| Keywords: | ungauged hilly area calculation of flow concentration GIUH Luoyanghe watershed |
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