Ocean Heat Content - Youth Destination IAS

Annual Study on Ocean Heating "Ocean Heat Content" According to a study, coastal communities should be alert as ocean warming is at record levels in the year 2021. According to the recent annual study on ocean warming "Ocean Heat Content": The world's oceans underwent record warming in 2021, according to a new report. The upper 2,000 metres of the ocean absorbed 235 zettajoules (ZJ) of heat in 2021 relative to the 1981-2010 average, according to the analysis published in the Advances in Atmospheric Sciences journal. Ocean Warming: Most of the warming in the oceans is due to the absorption of greenhouse gases. This causes an increase in sea temperature. Ocean warming is a better indicator of climate crisis than air temperature. This is because natural cycles such as El-Nino and La-Nina play a relatively limited role in ocean warming. Oceans generate heat during El -Nino. This leads to an increase in global warming. The oceans receive heat during La- Nina. This heat gets stored in the depths of the ocean from the surface. Effects of ocean warming Rapid melting of ice and rising water temperatures will lead to sea level rise. There will be more destructive storms and cyclones. Rainfall will also increase and the risk of floods will also remain. Sea water will be divided into levels according to different water densities. The organisms living in the ocean will be greatly affected, as there will be very little oxygen reaching the depths. What can be done to reduce ocean warming? Rising ocean temperatures should be included in climate risk assessment, adaptation and mitigation processes. Net-zero carbon emissions should be achieved as soon as possible. The mitigation goals set by the Paris Agreement need to be achieved. Marine protected areas should be established and adaptive measures should be taken. Source – The Hindu MORE CURRENT AFFAIRS

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