The Drought Regime in Southern Africa: A Systematic Review

IF 3 Q2 METEOROLOGY & ATMOSPHERIC SCIENCES

Climate Pub Date : 2023-07-13 DOI:10.3390/cli11070147

Fernando Maliti Chivangulula, M. Amraoui, M. Pereira

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引用次数: 1

Abstract

Drought is one natural disaster with the greatest impact worldwide. Southern Africa (SA) is susceptible and vulnerable to drought due to its type of climate. In the last four decades, droughts have occurred more frequently, with increasing intensity and impacts on ecosystems, agriculture, and health. The work consists of a systematic literature review on the drought regime’s characteristics in the SA under current and future climatic conditions, conducted on the Web of Science and Scopus platforms, using the PRISMA2020 methodology, with usual and appropriate inclusion and exclusion criteria to minimize/eliminate the risk of bias, which lead to 53 documents published after the year 1987. The number of publications on the drought regime in SA is still very small. The country with the most drought situations studied is South Africa, and the countries with fewer studies are Angola and Namibia. The analysis revealed that the main driver of drought in SA is the ocean–atmosphere interactions, including the El Niño Southern Oscillation. The documents used drought indices, evaluating drought descriptors for some regions, but it was not possible to identify one publication that reports the complete study of the drought regime, including the spatial and temporal distribution of all drought descriptors in SA.

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非洲南部的干旱状况:系统回顾

干旱是世界范围内影响最大的自然灾害之一。南部非洲由于其气候类型，易受干旱影响。在过去的四十年里，干旱发生的频率越来越高，对生态系统、农业和健康的影响越来越大。这项工作包括在科学网和Scopus平台上使用PRISMA2020方法对SA在当前和未来气候条件下的干旱状况特征进行的系统文献综述，以及通常和适当的纳入和排除标准，以最大限度地减少/消除偏差风险，这导致1987年后发表了53份文件。关于南非干旱状况的出版物数量仍然很少。研究干旱情况最多的国家是南非，研究较少的国家是安哥拉和纳米比亚。分析表明，南半球干旱的主要驱动因素是海洋-大气相互作用，包括厄尔尼诺南方涛动。这些文件使用了干旱指数，评估了一些地区的干旱描述符，但无法确定一份报告干旱状况完整研究的出版物，包括SA中所有干旱描述符的空间和时间分布。

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来源期刊

Climate Earth and Planetary Sciences-Atmospheric Science

CiteScore

5.50

自引率

5.40%

发文量

172

审稿时长

11 weeks

期刊介绍： Climate is an independent, international and multi-disciplinary open access journal focusing on climate processes of the earth, covering all scales and involving modelling and observation methods. The scope of Climate includes: Global climate Regional climate Urban climate Multiscale climate Polar climate Tropical climate Climate downscaling Climate process and sensitivity studies Climate dynamics Climate variability (Interseasonal, interannual to decadal) Feedbacks between local, regional, and global climate change Anthropogenic climate change Climate and monsoon Cloud and precipitation predictions Past, present, and projected climate change Hydroclimate.