Intensifying tropical cyclones in the Arabian Sea replenish depleting aquifers.

IF 8.9 1区 地球科学 Q1 ENVIRONMENTAL SCIENCES
Communications Earth & Environment Pub Date : 2025-01-01 Epub Date: 2025-07-08 DOI:10.1038/s43247-025-02493-w
Hassan Saleh, Mohamed Sultan, Eugene Yan, Himanshu Save, Hesham Elhaddad, Hadi Karimi, Karem Abdelmohsen, Mustafa K Emil, Sara Al Qamshouai
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引用次数: 0

Abstract

Tropical cyclones intensified globally in recent decades, delivering extreme precipitation deeper inland. While much research has focused on the role of climate change in tropical cyclone intensification, less is known about their contribution to groundwater recharge, especially in arid regions where freshwater is scarce and aquifers are being depleted. Here we quantify cyclone-driven groundwater recharge across the Arabian Peninsula from 2002 to 2021 using satellite-based total water storage and hydrodynamic modeling. Findings show that cyclones contributed up to 60% of total precipitation in the southern Arabian Peninsula. Cyclone Mekunu (2018) alone delivered 30 km3 of precipitation inland, resulting in a net groundwater recharge of 3.2 ± 1.2 km3 in the Najd subbasin. These findings reveal that tropical cyclones play a crucial role in replenishing groundwater resources in arid regions. Our approach provides a framework for quantifying recharge in ungauged arid basins worldwide, offering valuable insights for climate-resilient water resource management.

阿拉伯海日益增强的热带气旋补充了枯竭的含水层。
近几十年来,热带气旋在全球范围内加剧,给内陆腹地带来了极端降水。虽然许多研究集中在气候变化在热带气旋加强中的作用,但对它们对地下水补给的贡献知之甚少,特别是在淡水稀缺和含水层正在枯竭的干旱地区。在这里,我们使用基于卫星的总储水量和水动力学建模,量化了2002年至2021年阿拉伯半岛由气旋驱动的地下水补给。研究结果表明,气旋对阿拉伯半岛南部总降水量的贡献高达60%。仅“梅库努”气旋(2018年)就给内陆带来了30立方千米的降水,导致纳季德次盆地地下水净补给量为3.2±1.2立方千米。这些发现表明,热带气旋在干旱区地下水资源补充中起着至关重要的作用。我们的方法为量化全球未测量的干旱盆地的补给提供了一个框架,为气候适应型水资源管理提供了有价值的见解。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
Communications Earth & Environment
Communications Earth & Environment Earth and Planetary Sciences-General Earth and Planetary Sciences
CiteScore
8.60
自引率
2.50%
发文量
269
审稿时长
26 weeks
期刊介绍: Communications Earth & Environment is an open access journal from Nature Portfolio publishing high-quality research, reviews and commentary in all areas of the Earth, environmental and planetary sciences. Research papers published by the journal represent significant advances that bring new insight to a specialized area in Earth science, planetary science or environmental science. Communications Earth & Environment has a 2-year impact factor of 7.9 (2022 Journal Citation Reports®). Articles published in the journal in 2022 were downloaded 1,412,858 times. Median time from submission to the first editorial decision is 8 days.
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