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My top 3 impressions up-front: The sealevel projections for the year 2100 have been adjusted upwards again. The IPCC gives more consideration to the large long-term sea-level rise beyond the year 2100. And here is the key sea-level graphic from the Summary for Policy Makers: Source: IPCC AR6, Figure SPM.8.
The global mean sealevel has increased by 20 cm from 1901 to 2018, and the rate of increase has accelerated and is now about 3.7 A thermal expansion explained 50% of sealevel rise during 1971–2018, while ice loss from glaciers contributed 22%, ice sheets 20% and changes in land water storage 8%. mm increase every year.
Rising sealevels and increased intensity of storm surges are playing a considerable role in the degradation of coastal regions in the Pacific Islands. Illustrating the variation in sealevels from 1993 – 2018. Coastalerosion is occurring at an alarming rate within the Pacific Islands.
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