Excess pCO2 and carbonate system geochemistry in surface seawater of the exclusive economic zone of Qatar (Arabian Gulf)

Izumi, Connor; Al-Thani, Jassem A.; Yiğiterhan, Oğuz; Al-Ansari, Ebrahim M.A.S.; Vethamony, P.; Sorino, Caesar Flonasca; Anderson, David M.; Murray, James W.

doi:10.1016/j.marchem.2022.104185

Marine Chemistry

2022

DOI: 10.1016/j.marchem.2022.104185

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Excess pCO2 and carbonate system geochemistry in surface seawater of the exclusive economic zone of Qatar (Arabian Gulf)

Connor Izumi

Jassem A. Al-Thani

Oğuz Yiğiterhan

et al.

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2024

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Acceleration of Warming, Deoxygenation, and Acidification in the Arabian Gulf Driven by Weakening of Summer Winds

Lachkar,

Mehari,

Paparella

et al. 2024

Geophysical Research Letters

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The Arabian Gulf (AG) exports hypersaline, dense waters into the Sea of Oman (SOO), replaced by fresher inflowing surface waters from the Indian Ocean. We investigate the impact of recent AG warming on its exchange with the SOO and the implications this has on the AG biogeochemistry. Using an eddy‐resolving hindcast model simulation, we analyze the hydrography and biogeochemistry of the AG and the SOO from 1980 to 2018. Our study reveals that changes in summer surface winds have accelerated AG warming and weakened it in the SOO, reducing the density gradient and water exchange between the two seas during late summer. This has led to nutrient buildup, increased productivity, and heightened deoxygenation and acidification in the AG. These findings underscore how subtle wind changes can exacerbate the vulnerability of marginal seas to climate change and stress the need to properly represent regional winds in global climate models.

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Acceleration of Warming, Deoxygenation, and Acidification in the Arabian Gulf Driven by Weakening of Summer Winds

Lachkar,

Mehari,

Paparella

et al. 2024

Geophysical Research Letters

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show abstract

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Excess pCO2 and carbonate system geochemistry in surface seawater of the exclusive economic zone of Qatar (Arabian Gulf)

Cited by 1 publication

References 50 publications

Acceleration of Warming, Deoxygenation, and Acidification in the Arabian Gulf Driven by Weakening of Summer Winds

Acceleration of Warming, Deoxygenation, and Acidification in the Arabian Gulf Driven by Weakening of Summer Winds

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