云南高原山地区域干旱灾害风险评估——以楚雄州为例

楚雄师范学院学报 ›› 2023, Vol. 38 ›› Issue (3): 114-121.

云南高原山地区域干旱灾害风险评估——以楚雄州为例

何萍^#, 张娥^#, 刘佳灵, 郑舒云, 方亚梅, 李金环

楚雄师范学院资源环境与化学学院,云南楚雄 675000

收稿日期:2022-12-10 出版日期:2023-05-20 发布日期:2023-08-07
作者简介:何萍（1965–）,二级教授,硕士生导师,研究方向为气象、气候与自然地理综合分析。 E-mail：1256252387@qq.com;^#共同第一作者：张娥。
基金资助:
云南省教育厅科学研究基金（No. 2023J1080）

Risk Assessment of Drought Disaster in Mountainous Regions of Yunnan Highlands— A Case Study of Chuxiong Prefecture

HE Ping^#, ZHANG E^#, LIU Jialin, ZHENG Shuyun, FANG Yamei, LI Jinhuan

College of Resources, Environment and Chemistry, Chuxiong Normal University, Chuxiong, Yunnan Province 675000

Received:2022-12-10 Online:2023-05-20 Published:2023-08-07

摘要/Abstract

摘要： 利用1989 ~ 2018年楚雄州各县市的逐月降水资料、DEM高程数据、社会经济数据,从干旱灾害的致灾因子危险性、孕灾因子脆弱性、承灾体易损性和防灾减灾能力四大影响因子出发,选取了自然因素和人文因素中的13个二级指标,构建起了楚雄州干旱灾害风险评估体系,结合干旱灾害风险评估模型对楚雄州干旱灾害进行评估。研究表明,楚雄州干旱灾害致灾因子危险性分布是东部低南北部高;孕灾因子脆弱性的分布表现为自南向北增高;承灾体易损性的分布表现为自西北向东南增高;防灾减灾能力的分布表现为以楚雄市为中心,向四周降低;综合风险性为南北高,中部和东部低。

关键词: 干旱灾害, 标准化降水指数, 风险评估, 楚雄州

Abstract: Based on the monthly precipitation data, DEM elevation data and socio-economic data of counties and cities in Chuxiong Prefecture from 1989 to 2018, the paper first presents the four major influencing factors of drought disaster: risk of disaster causing factor, vulnerability of pregnancy factor, vulnerability of disaster bearing body and ability of disaster prevention and reduction, then proceeds to analyze thirteen secondary indexes of natural factors and human factors were selected to construct the risk assessment system of drought disaster in Chuxiong Prefecture, combining the Drought Disaster Risk Assessment Model to Evaluate the Drought Disaster in Chuxiong Prefecture. The results showed the risk factor of drought disaster is low in the east and high in the south and the north in Chuxiong Prefecture. The distribution of vulnerability of pregnant factors increased from the south to the north. The distribution of vulnerability of disaster bearing body increases from the northwest to the southeast. The distribution law of disaster prevention and reduction ability shows that it decreases to the four sides from the center – Chuxiong City. The comprehensive risk was higher in the north and the south and lower in the central and eastern parts.

Key words: drought disaster, SPI, risk assessment, Chuxiong Prefecture

中图分类号:

P429

何萍, 张娥, 刘佳灵, 郑舒云, 方亚梅, 李金环. 云南高原山地区域干旱灾害风险评估——以楚雄州为例[J]. 楚雄师范学院学报, 2023, 38(3): 114-121.

HE Ping, ZHANG E, LIU Jialin, ZHENG Shuyun, FANG Yamei, LI Jinhuan. Risk Assessment of Drought Disaster in Mountainous Regions of Yunnan Highlands— A Case Study of Chuxiong Prefecture[J]. Journal of Chuxiong Normal University, 2023, 38(3): 114-121.

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