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暴雨灾害  2018, Vol. 37 Issue (02): 158-163    DOI: 10.3969/j.issn.1004-9045.2018.02.007
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基于GIS淹没模型的汉北河流域暴雨洪涝淹没模拟与检验
汪涛1,2,叶丽梅3
1. 国网湖北省电力公司电力科学研究院, 武汉 430077;2. 国家电网公司高压电器设备现场实验
技术重点实验室,武汉 430077;3. 武汉区域气候中心,武汉 430074
Simulation and test of a rainstorm flood event in Hanbei river basin based on GIS inundation model
WANG Tao1,2,YE Limei3
1. State Grid Hubei Electric Power Research Institute, Wuhan 430077; 2. State Grid Key Laboratory of On-site Test Technology
on High Voltage Power Apparatus, Wuhan
430077; 3. Wuhan Regional Climate Centre, Wuhan 430074
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摘要 使用气象、水文观测以及灾情调查和地理信息等资料,基于GIS暴雨洪涝淹没模型,对2016年7月19—20日汉北河流域强降水造成的洪涝淹没状况进行模拟,利用气象灾情采集系统APP以及民政、电力部门的相关灾情资料对其模拟精度进行检验。结果表明: 模拟的主要淹没区出现在汉北河流域上、中段(荆门、天门)河道附近及地势低洼地,其淹没水深多为0~2 m,随着洪水增强,低水深区间淹没范围减小,高水深区间淹没范围增大,其中荆门地区1 m以上水深淹没范围增大较快;与实况相比,模拟的灾情点位的匹配率为84%~100%,模拟水深的绝对误差为0.0~0.9 m,洪水淹没地点和水深模拟与实况基本吻合。
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作者相关文章
汪涛
叶丽梅
关键词暴雨洪涝;   淹没模型;   淹没水深;   汉北河流域     
Abstract: Based on a GIS rainstorm flood inundation model, we have conducted a simulation of the flood inundation conditions caused by a severe precipitation event occurred in the Hanbei river basin from July 19 to 20 in 2016 by using meteorological and hydrological observations, disaster investigation and geographical information data. The simulation accuracy is then tested based on multiple sources of information from meteorological disaster collecting system APP, civil administration and power department. The results show that the main submerged area simulated is situated in the upper and middle reaches and the low-lying land of Hanbei river basin, in which most of submerged depth is between 0 m and 2 m. The submergence range at the low water depth sections decreases and the one at the high water depth sections increases with the strengthen of flood, of which submerged area over the water depth of 1 m in Jingmen extended rapidly. Comparing to the investigations, the matching rate of the simulated disaster points is 84%-100%, and the absolute error of submerged depth simulated is 0.0-0.9 m, which indicates that the simulated flood sites and submerged depths are in agreement with the investigations on the whole.
Key wordsrainstorm flood;   inundation model;   submerged depth;   Hanbei river basin   
引用本文:   
汪涛, 叶丽梅 .2018. 基于GIS淹没模型的汉北河流域暴雨洪涝淹没模拟与检验[J]. 暴雨灾害, 37(02): 158-163.
WANG Tao, YE Li-Mei .2018. Simulation and test of a rainstorm flood event in Hanbei river basin based on GIS inundation model[J]. Torrential Rain and Disasters, 37(02): 158-163.
 
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[2] 叶丽梅, 彭涛, 周月华, 高伟, 牛奔, 刘旭东. 基于GIS淹没模型的洪水演进模拟及检验[J]. 暴雨灾害, 2016, 35(3): 285-290.
[3] 李兰,周月华,叶丽梅,史瑞琴,郭广芬,万君. 一种依据旱涝灾情资料确定分区暴雨洪涝临界雨量的方法[J]. 暴雨灾害, 2013, 32(3): 280-283.
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