Marine climate change over the eastern Agulhas Bank of South Africa

Jury, Mark R.

The rate of change in the marine environment over the eastern Agulhas Bank along the south coast of South Africa (32–37inline-formula S, 20–30inline-formula E) is studied using reanalysis observations for 1900–2015 and coupled ensemble model projections for 1980–2100. Outcomes are influenced by resolution and time span: inline-formula∼ 1inline-formula datasets covering the whole period capture large-scale changes, while inline-formula∼ 0.5inline-formula datasets in the satellite era better distinguish the cross-shelf gradients. Although sea surface temperatures offshore are warming rapidly (0.05 inline-formulaC yrinline-formula−1 since 1980), a trend toward easterly winds and a locally stronger Agulhas Current have intensified nearshore upwelling (inline-formula−0.03inline-formulaC yrinline-formula−1). The subtropical ridge is gradually moving poleward, leading to a drier climate.

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Jury, Mark R.: Marine climate change over the eastern Agulhas Bank of South Africa. 2020. Copernicus Publications.

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Rechteinhaber: Mark R. Jury

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