globalchange  > 过去全球变化的重建
DOI: 10.1007/s00382-016-3395-x
Scopus记录号: 2-s2.0-84991737509
论文题名:
Revisiting the global surface energy budgets with maximum-entropy-production model of surface heat fluxes
作者: Huang S.-Y.; Deng Y.; Wang J.
刊名: Climate Dynamics
ISSN: 9307575
出版年: 2017
卷: 49, 期:2017-05-06
起始页码: 1531
结束页码: 1545
语种: 英语
英文关键词: Global surface energy budget ; Maximum entropy production model ; Ocean heat flux estimation ; Surface heat fluxes
英文摘要: The maximum-entropy-production (MEP) model of surface heat fluxes, based on contemporary non-equilibrium thermodynamics, information theory, and atmospheric turbulence theory, is used to re-estimate the global surface heat fluxes. The MEP model predicted surface fluxes automatically balance the surface energy budgets at all time and space scales without the explicit use of near-surface temperature and moisture gradient, wind speed and surface roughness data. The new MEP-based global annual mean fluxes over the land surface, using input data of surface radiation, temperature data from National Aeronautics and Space Administration–Clouds and the Earth’s Radiant Energy System (NASA CERES) supplemented by surface specific humidity data from the Modern-Era Retrospective Analysis for Research and Applications (MERRA), agree closely with previous estimates. The new estimate of ocean evaporation, not using the MERRA reanalysis data as model inputs, is lower than previous estimates, while the new estimate of ocean sensible heat flux is higher than previously reported. The MEP model also produces the first global map of ocean surface heat flux that is not available from existing global reanalysis products. © 2016, Springer-Verlag Berlin Heidelberg.
资助项目: NSF, National Science Foundation ; NSF, National Science Foundation ; NSF, National Science Foundation ; NSF, National Science Foundation ; NASA, National Aeronautics and Space Administration
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/53093
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作者单位: School of Civil and Environmental Engineering, Georgia Institute of Technology, 790 Atlantic Drive, Atlanta, GA, United States; School of Earth and Atmospheric Sciences, Georgia Institute of Technology, Atlanta, GA, United States

Recommended Citation:
Huang S.-Y.,Deng Y.,Wang J.. Revisiting the global surface energy budgets with maximum-entropy-production model of surface heat fluxes[J]. Climate Dynamics,2017-01-01,49(2017-05-06)
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