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flood risk degree
相关语句
  洪险度
     FLOOD RISK DEGREE AND ITS DISASTER MEANINGS
     洪险度及其灾害学意义
短句来源
  “flood risk degree”译为未确定词的双语例句
     In terms of the flood causes, this paper proposed the flood risk degree concept and its calculation method, expounds the significance and function in the flood analysis and research as well as flood reduction.
     根据洪水灾害成因,提出洪水危险度概念及其计算方法,论述洪水危险度在洪水灾害分析、研究和防洪减灾中的意义和作用。
短句来源
     This paper analyzes the influence factors of flood formation and flood risk degree in Sanjiang Plain area.
     分析了三江平原地区造成洪水的影响因素及洪水危险程度 ;
短句来源
  相似匹配句对
     Review of risk analysis on flood
     洪水风险分析的研究进展与展望
短句来源
     Considerations on flood risk analysis
     关于洪水风险分析几个问题的思考
短句来源
     On Flood
     论《洪水》
短句来源
     The Flood
     洪水
短句来源
     FLOOD RISK DEGREE AND ITS DISASTER MEANINGS
     洪险度及其灾害学意义
短句来源
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In terms of the flood causes, this paper proposed the flood risk degree concept and its calculation method, expounds the significance and function in the flood analysis and research as well as flood reduction.

根据洪水灾害成因,提出洪水危险度概念及其计算方法,论述洪水危险度在洪水灾害分析、研究和防洪减灾中的意义和作用。

This paper analyzes the influence factors of flood formation and flood risk degree in Sanjiang Plain area.It presents disaster deduction suggestion.

分析了三江平原地区造成洪水的影响因素及洪水危险程度 ;提出了防洪减灾措施。

Based on the DEM of 1∶50 000, 1∶250 000 national digital topographical map, land use map of 1∶100 000 and the hydrologic data of counties Dingbian, Jingbian, Zichang and Yanchuan, flood risk assessment in the Shaanxi section along the West-East Pipeline Project (WEPP) was conducted under support of ARC/INFO. Four factors including topography, precipitation, land use and project vulnerability were selected. Firstly three raster coverage maps were made by analyzing the factors. And then the flood...

Based on the DEM of 1∶50 000, 1∶250 000 national digital topographical map, land use map of 1∶100 000 and the hydrologic data of counties Dingbian, Jingbian, Zichang and Yanchuan, flood risk assessment in the Shaanxi section along the West-East Pipeline Project (WEPP) was conducted under support of ARC/INFO. Four factors including topography, precipitation, land use and project vulnerability were selected. Firstly three raster coverage maps were made by analyzing the factors. And then the flood risk assessment map was derived by overlapping the coverage. The risk degrees were divided into five levels: Class 1, Class 2, Class 3, Class 4 and Class 5. The result (indicates) that flood risk degrees are mainly Class 1, Class 2 and Class 3 in the west of the Shaanxi section along the WEPP, which characterizes less precipitation, higher elevation and lower town density. The high flood risk degrees are Class 4 and Class 5 in Zichang and Yanchuan Counties, which include Xiuyan River,Yongpingchuan River, Qingjian River, river valley and the region along the Yellow River.

在ARC/INFO的支持下,利用1∶5万的DEM,1∶25万全国数字化地形图,以及定边、靖边、子长和延川4县1∶10万土地利用图与多年水文统计资料,通过叠加分析,对西气东输工程沿线陕西段的洪水风险进行了评估。选取地形、降水、土地利用和社会经济易损性4个因子进行综合分析,分别得到了它们对洪水影响的栅格图,通过对各栅格图的叠加,得到了洪水风险分级图。结果表明,管线西部的定边和靖边,其降水量较低,海拔较高,村镇密度相对较低,洪水风险较低,主要为1级、2级和3级;管线西部的子长和延川县,其地形起伏大,降水量大,植被覆被较低,村镇密度大,洪水风险较大,主要为4级和5级,风险最高的地区集中在秀延河、永坪川、清涧河、东部丘陵沟壑区河谷平原、黄河周围地区及子长县的大部分地区。

 
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