干旱气象 ›› 2019, Vol. 37 ›› Issue (4): 663-669.

• 业务技术应用 • 上一篇    下一篇

基于FloodArea的新疆依格孜牙河流域山洪灾害风险区划

吴秀兰1,江远安2,余行杰1,张连成1,李元鹏1   

  1. (1. 新疆维吾尔自治区气候中心, 新疆乌鲁木齐830002;
    2. 新疆兴农网信息中心, 新疆 乌鲁木齐 830002)
  • 出版日期:2019-08-30 发布日期:2019-09-04
  • 作者简介:吴秀兰(1988— ),女,汉族,硕士,工程师,主要从事气候影响评价与气象灾害研究. E-mall:wuxiulanxj@163.com。
  • 基金资助:
    新疆气象局青年基金项目(Q201805)资助

Study on Risk Zoning of Mountain Flood Disaster in the Yigeziya River of Xinjiang Based on FloodArea Inundation Model

WU Xiulan1, JIANG Yuanan 2, YU Xingjie1, ZHANG Liancheng1, LI Yuanpeng1   

  1. (1. Xinjiang Uygur Autonomous Region Climate Center, Urumqi 830002, China;
    2. Xinjiang Agriculture Network Information Center, Urumqi 830002, China)
  • Online:2019-08-30 Published:2019-09-04

摘要: 以新疆依格孜牙河流域为研究区,利用流域内6个自动站2013—2017年和周边7个国家基本气象站1961—2017年降水资料,基于水动力模型FloodArea构建淹没水深和降雨量之间的函数关系,确定不同重现期的致灾临界雨量阈值。利用FloodArea模型动态模拟暴雨洪灾的淹没情况,并结合研究区承灾因子(人口分布、GDP、土地利用类型),完成该流域的暴雨洪灾风险区划。结果表明,位于该流域中下游的塔格勒克艾日克村、克孜勒陶乡、依格孜牙乡林场等属于暴雨山洪的高风险区,而海拔相对较高且处于流域上游的塔木喀拉牧场、布格拉等地属于山洪淹没的低风险区。

关键词: 山洪灾害, FloodArea模型, GIS, 风险区划

Abstract:

Based on the precipitation data of 6 automatic stations during 2013-2017 in the Yigeziya River Basin in Aktao county of Xinjiang and 7 national meteorological stations during 1961-2017 around the basin, the function relation between flood depth and rainfall was constructed by using FloodArea model in order to explore the threshold of disaster-causing critical rainfall under different recurrence periods of mountain flood. The hourly inundated area and inundated depth were simulated by hydrodynamic model. Combined with the disaster-affected factors (population distribution, GDP, land-use types) in the study area, the flood disaster risk zoning of the basin was completed. The results show that the middle and lower reaches of the basin was the high risk area of flood disaster risk, while the relatively high altitude area in the upper reaches of the basin was the low risk area of flood inundation.


Key words: mountain flood disaster, FloodArea model, GIS, risk zoning

中图分类号: