Analysis: How low-sulphur shipping rules are affecting global warming
Carbon Brief analyses the likely side-effects of regulations to reduce the sulphur content of marine fuels.
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Carbon Brief analyses the likely side-effects of regulations to reduce the sulphur content of marine fuels.
“Marine heatwaves” (MHWs), also defined as discrete and sustained extreme oceanic warm water episodes, have been the subject of numerous recent studies. Such disasters have devastating effects on marine biodiversity and the regional fishing economy.
High interannual sea surface temperature anomalies of more than 2ºC were recorded along the coasts of Angola and Namibia between October 2019 and January 2020. This extreme coastal warm event that has been classified as a Benguela Niño, reached its peak amplitude in November 2019 in the Angola Benguela front region. In contrast to classical Benguela Niños, the 2019 Benguela Niño was generated by a combination of local and remote forcing. In September 2019, a local warming was triggered by positive anomalies of near coastal wind-stress curl leading to downwelling anomalies t...