基于GIS的祁连山东端冰雹灾害风险评估与区划

doi:10.11988/ckyyb.20150401

长江科学院院报 ›› 2016, Vol. 33 ›› Issue (5): 129-134.DOI: 10.11988/ckyyb.20150401

基于GIS的祁连山东端冰雹灾害风险评估与区划

段云峰^1,4, 胡正华¹, 刘明春², 刘俊艳³, 汪作成⁴

1.南京信息工程大学应用气象学院,南京 210044;
2.武威市气象局,甘肃武威 733000;
3.甘肃省环境信息中心,兰州 730000;
4.天祝藏族自治县气象局,甘肃武威 733200

收稿日期:2015-05-14 出版日期:2016-05-01 发布日期:2016-05-10
作者简介:段云峰(1982-),男,甘肃武威人,工程师,硕士研究生,研究方向为气象灾害风险区划,(电话)13893590316(电子信箱)okay2010@163.com。
基金资助:
公益性行业(气象)科研重大专项(GYHY201506001-6)

Risk Assessment and Zonation of Hail Disaster in the East of Qilian Mountains Based on GIS

DUAN Yun-feng^1,4, HU Zheng-hua¹, LIU Ming-chun², LIU Jun-yan³, WANG Zuo-cheng⁴

1.College of Applied Meteorology, Nanjing University of Information Science & Technology, Nanjing 210044, China;
2.Meteorology Bureau of Wuwei, Wuwei 733000, China;
3.Environmental Information Center of Gansu Province, Lanzhou 730000, China;
4. Meteorology Bureau of Tianzhu Tibetan Autonomous County, Wuwei 733200, China

Received:2015-05-14 Online:2016-05-01 Published:2016-05-10

摘要/Abstract

摘要： 根据自然灾害系统理论和冰雹灾害风险评估的相关理论,选择冰雹多发地区的祁连山东端天祝藏族自治县为研究区,并基于天祝县和周边常规气象站观测资料、历史灾情资料和基础地理信息数据,探索和研究县级冰雹灾害风险区划的技术方法。通过分析致灾因子危险性、孕灾环境敏感性、承载体易损性以及防灾减灾能力4个指标,建立了冰雹灾害风险评估模型,并利用GIS(Geographic Information System)技术得到了天祝县冰雹灾害风险区划。结果显示:天祝藏族自治县冰雹灾害风险南高北低,其中华藏寺、东坪、石门、打柴沟大部及炭山岭和赛什斯的局部发生冰雹灾害的风险最高;哈溪、朵什、西大滩次之;松山的东部、旦马、祁连西南部为冰雹低风险区。

关键词: 冰雹灾害, 祁连山东端, 风险区划, 风险指数, GIS技术

Abstract: The zonation of hail risk is researched according to observed meteorological data, historical disaster data and fundamental geographic data in Tianzhu Tibetan autonomous county where hail disaster frequently happens. An evaluation model for hail risk is established consisting four indexes, namely hazard of disaster-inducing factor, sensitivity of environment to hail disaster, vulnerability of hazard-affected body to hail disaster, and capability of disaster reduction and relief. Furthermore, GIS technology is adopted to obtain the zoning of hail disaster risk. Results show that the hail risk rises from the north to the south in Tianzhu Tibetan autonomous county. Hail risks in Huazang temple, Dongping, Shimen and Dachaigou, and part of Tanshanling and Saishensi are the highest, followed by Haxi, Duoshen and Xidatan; the hail risks in east Songshan, southwest of Danma and Qilian are the lowest.

Key words: hail disaster, the east of Qilian Mountains, risk zonation, disaster risk index, GIS

中图分类号:

P694

段云峰, 胡正华, 刘明春, 刘俊艳, 汪作成. 基于GIS的祁连山东端冰雹灾害风险评估与区划[J]. 长江科学院院报, 2016, 33(5): 129-134.

DUAN Yun-feng, HU Zheng-hua, LIU Ming-chun, LIU Jun-yan, WANG Zuo-cheng. Risk Assessment and Zonation of Hail Disaster in the East of Qilian Mountains Based on GIS[J]. JOURNAL OF YANGTZE RIVER SCIENTIFIC RESEARCH INSTI, 2016, 33(5): 129-134.

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基于GIS的祁连山东端冰雹灾害风险评估与区划

Risk Assessment and Zonation of Hail Disaster in the East of Qilian Mountains Based on GIS

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