Author:
Cha Hyeonsoo,Moon Jae-Hong,Kim Taekyun,Song Y Tony
Abstract
Abstract
Natural climate variability can mask the background trend of global mean sea-level (GMSL) caused by global warming. Recent advances in satellite measurements and ocean heat-content estimates have enabled the monitoring of GMSL budget components and provide insights into ocean effects on the Earth’s energy imbalance and hydrology. We observed a decadal fluctuation in GMSL rise, which coincides with an increasing trend in the 2010s after the warming ‘hiatus’ during the 2000s, and demonstrated that the rate of sea-level rise can be attributed to climate-related decadal fluctuations in ocean heat storage and hydrology. Since ∼2011, the decadal climate variability has resulted in additional ocean mass gain (271 ± 89 Gt yr−1) from glacier-free land water storage and increased ocean heat uptake (0.28 ± 0.17 W m−2), increasing the GMSL rise rate by 1.4 ± 0.4 mm yr−1. The suggested estimates of sea-level and Earth’s energy budgets highlight the importance of natural variability in understanding the impacts of the ongoing sea-level rise.
Funder
National Research Foundation of Korea
Subject
Public Health, Environmental and Occupational Health,General Environmental Science,Renewable Energy, Sustainability and the Environment
Cited by
4 articles.
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