globalchange  > 影响、适应和脆弱性
DOI: 10.1002/2015MS000476
Scopus ID: 2-s2.0-84959576795
A multilevel ocean mixed layer model resolving the diurnal cycle: Development and validation
Author: Ling T; , Xu M; , Liang X; -Z; , Wang J; X; L; , Noh Y
Source Publication: Journal of Advances in Modeling Earth Systems
ISSN: 19422466
Publishing Year: 2015
Volume: 7, Issue:4
pages begin: 1680
pages end: 1692
Language: 英语
Keyword: Atmospheric temperature ; Infrared devices ; Kinetic energy ; Kinetics ; Radiation effects ; Shear flow ; Submarine geophysics ; Surface properties ; Surface waters ; Diurnal cycle ; National data buoy centers ; Numerical experiments ; Ocean mixed layers ; One dimensional turbulence ; Sea surface temperature (SST) ; Time-integration scheme ; Visible and near infrared ; Oceanography ; kinetic energy ; mixed layer ; model validation ; numerical method ; numerical model ; sea surface temperature ; solar radiation ; TOGA-COARE ; turbulence ; upper ocean
English Abstract: The representation of transient air-sea interactions is critical to the prediction of the sea surface temperature diurnal cycle and daily variability. This study develops a multilevel upper ocean model to more realistically resolve these interactions. The model is based on the one-dimensional turbulence kinetic energy closure developed by Noh et al. [2011], and incorporates new numerical techniques and improved schemes for model physics. The primary improvements include: (1) a surface momentum flux penetration scheme to better depict velocity shear in the diurnal mixed layer; (2) a solar penetration scheme to improve the penetration of visible and near-infrared bands of solar radiation into the mixed layer ocean; (3) a scheme to resolve the cool-skin and warm-layer effects on sea skin temperature; (4) a vertical grid stretch scheme to achieve higher near-surface resolution with fewer vertical levels; (5) a trapezoidal time integration scheme for flexible time steps; (6) a relaxation term of the previous daily mean difference between observed and modeled sea surface temperature. According to the numerical experiments based on the TOGA-COARE IMET mooring buoy data and the validation by observations from the National Data Buoy Center, NOAA, the results indicate that the new upper ocean mixed layer model improves the simulation of the diurnal cycle of SST and sea skin temperature, especially in amplitude. © 2015. The Authors.
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Document Type: 期刊论文
Appears in Collections:影响、适应和脆弱性

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Affiliation: Key Laboratory of Research on Marine Hazards Forecasting, National Marine Environmental Forecasting Center, Beijing, China; Earth System Science Interdisciplinary Center, University of Maryland, College ParkMD, United States; Now in Climate Change Science Institute, Oak Ridge National Laboratory, Oak Ridge, TN, United States; Department of Atmospheric and Oceanic Science, University of Maryland, College ParkMD, United States; Air Resources Laboratory, National Oceanic and Atmospheric Administration, College ParkMD, United States; Department of Atmospheric Sciences, Global Environmental Laboratory, Yonsei University, Seoul, South Korea

Recommended Citation:
Ling T,, Xu M,, Liang X,et al. A multilevel ocean mixed layer model resolving the diurnal cycle: Development and validation[J]. Journal of Advances in Modeling Earth Systems,2015-01-01,7(4)
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