探索复合灾害的时空变化:台湾高屏溪案例研究

IF 4.8 2区 环境科学与生态学 Q1 ENVIRONMENTAL SCIENCES
Tzu-Ling Chen, Ting-Xuan Chen, Jin-Cheng Fu
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引用次数: 0

摘要

全球气候变化导致异常气候事件的强度和频率不断增加,造成严重影响。单个灾害往往与另一个灾害同时发生或以连环形式发生。灾害管理中讨论的主要问题包括风险、环境脆弱性和抗灾能力,以及确定整个地区(尤其是流域)内可引发人类灾害的土地用途及其位置。准确识别这些灾害诱发区(即那些可能导致或加剧下游影响的土地使用位置)将有助于灾害管理机构提前减轻灾害。本研究采用空间自相关统计来探索与复合灾害相关的时空动态。然后,研究利用水土评估工具(SWAT)计算径流量和泥沙排放量,以确定人类灾害诱发土地使用的位置。我们的建模结果表明,复合灾害之间存在各种时空集群,某些地区经常受到类似灾害的影响,而其他地点则可能是这些经常性灾害的起因。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Exploring the spatial and temporal changes of compound disasters: A case study in Gaoping River, Taiwan

Global climate change has resulted in unusual climatic events of increasing intensity and frequency with severe impacts. An individual disaster is often coupled with another at the same time or in the form of a cascade. Major issues discussed in disaster management range from risks, environmental vulnerability, and resiliency, to the identification of human disaster-inducing land uses and their locations across a region, particularly in watersheds. The accurate identification of these disaster-inducing areas – that is, those locations of land use that may cause or contribute to making downstream impacts worse than they would be in the absence of such land uses – would be of assistance for disaster management agencies in order to mitigate disasters in advance. This study applies spatial autocorrelation statistics to explore the spatial and temporal dynamics associated with compound disasters. The study then utilizes the Soil and Water Assessment Tool (SWAT) to calculate runoff volume and sediment discharge to identify the locations of human disaster-inducing land uses. Our modeling outcomes show that there are various kinds of spatial and temporal clusters among compound disasters, and that certain areas are affected by similar disasters regularly while other locations might be the cause of these regular disasters.

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来源期刊
Climate Risk Management
Climate Risk Management Earth and Planetary Sciences-Atmospheric Science
CiteScore
8.20
自引率
4.50%
发文量
76
审稿时长
30 weeks
期刊介绍: Climate Risk Management publishes original scientific contributions, state-of-the-art reviews and reports of practical experience on the use of knowledge and information regarding the consequences of climate variability and climate change in decision and policy making on climate change responses from the near- to long-term. The concept of climate risk management refers to activities and methods that are used by individuals, organizations, and institutions to facilitate climate-resilient decision-making. Its objective is to promote sustainable development by maximizing the beneficial impacts of climate change responses and minimizing negative impacts across the full spectrum of geographies and sectors that are potentially affected by the changing climate.
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