Towards drought impact-based forecasting in a multi-hazard context

Towards drought impact-based forecasting in a multi-hazard context
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在多灾害背景下进行基于干旱影响的预测

DOI:
10.1016/j.crm.2022.100402
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发表时间:
2022
影响因子:
4.4
通讯作者:
Boult V
Boult V
中科院分区:
环境科学与生态学2区
文献类型:
--
作者:
Boult V

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随着气候变化增加了高影响天气的频率和严重性,世界各地人民的生活和生计日益受到与气候有关的风险的威胁。反过来,同时发生多种危险的风险增加,复合影响变得更有可能。世界气象组织(WMO)建议使用基于多灾害影响的预报(IBF),以更好地预测和减少同时发生的灾害的影响,但到目前为止,在人道主义部门还没有多少可操作的实例。然而,在开发干旱综合防治系统方面遇到的挑战--包括对复合影响和以灾害为重点的具体任务缺乏了解--对气象组织所设想的多危害综合防治的可行性提出了重要的问题。考虑到这些挑战,我们提出了一种临时方法,其中动态脆弱性的实时评估为基于干旱的IBF提供了背景。纳入动态脆弱性指标说明了非干旱灾害的当地影响,同时使用旱灾系统有助于有效干预。拟议的方法将提高我们对复合事件的理解,促进在人道主义部门采用IBF,并更好地减轻同时发生的危险的影响。
The lives and livelihoods of people around the world are increasingly threatened by climate-related risks as climate change increases the frequency and severity of high-impact weather. In turn, the risk of multiple hazards occurring simultaneously grows and compound impacts become more likely. The World Meteorological Organization (WMO) proposed the use of multi-hazard impact-based forecasting (IbF) to better anticipate and reduce the impacts of concurrent hazards, but as yet, there are few operational examples in the humanitarian sector.Drought is particularly susceptible to multi-hazard influences. However, challenges encountered in the development of drought IbF systems – including poor understanding of compound impacts and specific hazard-focused mandates – raise important questions for the feasibility of multi-hazard IbF as envisioned by the WMO. With these challenges in mind, we propose an interim approach in which real-time assessment of dynamic vulnerability provides a context for drought-based IbF. The incorporation of dynamic vulnerability indicators account for the local effects of non-drought hazards, whilst the use of a drought-based system facilitates effective intervention. The proposed approach will improve our understanding of compound events, enhance adoption of IbF in the humanitarian sector, and better mitigate the impacts of concurrent hazards.
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