globalchange  > 气候变化与战略
DOI: 10.5194/hess-22-5559-2018
论文题名:
Evaluating and improving modeled turbulent heat fluxes across the North American Great Lakes
作者: Charusombat U.; Fujisaki-Manome A.; Gronewold A.D.; Lofgren B.M.; Anderson E.J.; Blanken P.D.; Spence C.; Lenters J.D.; Xiao C.; Fitzpatrick L.E.; Cutrell G.
刊名: Hydrology and Earth System Sciences
ISSN: 1027-5606
出版年: 2018
卷: 22, 期:10
起始页码: 5559
结束页码: 5578
语种: 英语
Scopus关键词: Budget control ; Heat flux ; Lakes ; Meteorology ; Coupled ocean-atmosphere response experiments ; Eddy covariance measurements ; Eddy covariance technique ; Operational environments ; Sensible and latent heat fluxes ; Thermodynamic model ; Turbulent heat fluxes ; Weather research and forecasting models ; Weather forecasting ; air temperature ; algorithm ; eddy covariance ; flux measurement ; heat flux ; humidity ; model ; parameterization ; roughness ; turbulence ; valuation ; water budget ; Great Lakes [North America]
英文摘要: Turbulent fluxes of latent and sensible heat are important physical processes that influence the energy and water budgets of the North American Great Lakes. These fluxes can be measured in situ using eddy covariance techniques and are regularly included as a component of lake-atmosphere models. To help ensure accurate projections of lake temperature, circulation, and regional meteorology, we validated the output of five algorithms used in three popular models to calculate surface heat fluxes: the Finite Volume Community Ocean Model (FVCOM, with three different options for heat flux algorithm), the Weather Research and Forecasting (WRF) model, and the Large Lake Thermodynamic Model. These models are used in research and operational environments and concentrate on different aspects of the Great Lakes' physical system. We isolated only the code for the heat flux algorithms from each model and drove them using meteorological data from four over-lake stations within the Great Lakes Evaporation Network (GLEN), where eddy covariance measurements were also made, enabling co-located comparison. All algorithms reasonably reproduced the seasonal cycle of the turbulent heat fluxes, but all of the algorithms except for the Coupled Ocean-Atmosphere Response Experiment (COARE) algorithm showed notable overestimation of the fluxes in fall and winter. Overall, COARE had the best agreement with eddy covariance measurements. The four algorithms other than COARE were altered by updating the parameterization of roughness length scales for air temperature and humidity to match those used in COARE, yielding improved agreement between modeled and observed sensible and latent heat fluxes. © Author(s) 2018.
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/163156
Appears in Collections:气候变化与战略

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作者单位: Charusombat, U., NOAA Great Lakes Environmental Research Laboratory, Ann Arbor, MI 48108, United States; Fujisaki-Manome, A., University of Michigan, Cooperative Institute for Great Lakes Research, Ann Arbor, MI 48108, United States, University of Michigan, Climate and Space Sciences and Engineering Department, Ann Arbor, MI 48109, United States; Gronewold, A.D., NOAA Great Lakes Environmental Research Laboratory, Ann Arbor, MI 48108, United States; Lofgren, B.M., NOAA Great Lakes Environmental Research Laboratory, Ann Arbor, MI 48108, United States; Anderson, E.J., NOAA Great Lakes Environmental Research Laboratory, Ann Arbor, MI 48108, United States; Blanken, P.D., University of Colorado, Department of Geography, Boulder, CO 80309, United States; Spence, C., Environment and Climate Change Canada, Saskatoon, SK S7N 5C5, Canada; Lenters, J.D., University of Wisconsin-Madison, Center for Limnology, Boulder Junction, WI 54512, United States; Xiao, C., University of Michigan, Cooperative Institute for Great Lakes Research, Ann Arbor, MI 48108, United States; Fitzpatrick, L.E., University of Michigan, Cooperative Institute for Great Lakes Research, Ann Arbor, MI 48108, United States; Cutrell, G., LimnoTech, Ann Arbor, MI 48108, United States

Recommended Citation:
Charusombat U.,Fujisaki-Manome A.,Gronewold A.D.,et al. Evaluating and improving modeled turbulent heat fluxes across the North American Great Lakes[J]. Hydrology and Earth System Sciences,2018-01-01,22(10)
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