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Posted on: #iteachmsu
Thursday, Dec 24, 2020
Measuring Global Ocean Heat Content to Estimate the Earth Energy Imbalance
Estimating and analyzing the Earth Energy Imbalance (EEI) is essential for understanding the evolution of the Earth’s climate. This is possible only through a careful computation and monitoring of the climate-energy budget. The climate system exchanges energy with outer space at the top of the atmosphere (TOA) (through radiation) and with solid Earth at the Earth’s crust surface (essentially through geothermal flux). If the climate system were free from external perturbations and internal variability during millennia, then the climate-energy budget would be in a steady state in which the net TOA radiation budget compensates the geothermal flux of +0.08 Wm–2 (Davies and Davies, 2010).
But the climate system is not free from external perturbations and from internal variability. Although the geothermal flux does not generate any perturbations at interannual to millennial time scales (because it varies only at geological time scales), other external forcings from natural origin (such as the solar radiation, the volcanic activity) or anthropogenic origin (such as Greenhouse Gas emissions –GHG-) perturb the system.
 
REf:https://www.frontiersin.org/articles/10.3389/fmars.2019.00432/full
Posted by: Chathuri Hewapathirana
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