An imperative to monitor Earth's energy imbalance

The current Earth's energy imbalance (EEI) is mostly caused by human activity, and is driving global warming. The absolute value of EEI represents the most fundamental metric defining the status of global climate change, and will be more useful than using global surface temperature. EEI can bes...

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Vydané v:Nature climate change Ročník 6; číslo 2; s. 138 - 144
Hlavní autori: von Schuckmann, K., Palmer, M. D., Trenberth, K. E., Cazenave, A., Chambers, D., Champollion, N., Hansen, J., Josey, S. A., Loeb, N., Mathieu, P.-P., Meyssignac, B., Wild, M.
Médium: Journal Article
Jazyk:English
Vydavateľské údaje: London Nature Publishing Group UK 01.02.2016
Nature Publishing Group
Predmet:
704/106/694
706/648/697
Biodiversity and Ecology
Climate Change
Climate Change/Climate Change Impacts
Environment
Environment and Society
Environmental Engineering
Environmental Law/Policy/Ecojustice
Environmental Sciences
Floats
Global Changes
Global climate
Global temperatures
Global warming
Ice environments
Marine
perspective
Radiation measurement
Sea ice
Surface temperature
ISSN:1758-678X, 1758-6798
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Popis
Shrnutí:The current Earth's energy imbalance (EEI) is mostly caused by human activity, and is driving global warming. The absolute value of EEI represents the most fundamental metric defining the status of global climate change, and will be more useful than using global surface temperature. EEI can best be estimated from changes in ocean heat content, complemented by radiation measurements from space. Sustained observations from the Argo array of autonomous profiling floats and further development of the ocean observing system to sample the deep ocean, marginal seas and sea ice regions are crucial to refining future estimates of EEI. Combining multiple measurements in an optimal way holds considerable promise for estimating EEI and thus assessing the status of global climate change, improving climate syntheses and models, and testing the effectiveness of mitigation actions. Progress can be achieved with a concerted international effort.
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ISSN:1758-678X
1758-6798
DOI:10.1038/nclimate2876