globalchange  > 气候变化与战略
DOI: 10.5194/hess-23-2173-2019
论文题名:
Modeling experiments on seasonal lake ice mass and energy balance in the Qinghai-Tibet Plateau: A case study
作者: Huang W.; Cheng B.; Zhang J.; Zhang Z.; Vihma T.; Li Z.; Niu F.
刊名: Hydrology and Earth System Sciences
ISSN: 1027-5606
出版年: 2019
卷: 23, 期:4
起始页码: 2173
结束页码: 2186
语种: 英语
Scopus关键词: Air ; Atmospheric boundary layer ; Atmospheric temperature ; Atmospheric thermodynamics ; Energy balance ; Heat flux ; Lakes ; Solar radiation ; Sublimation ; Diurnal variation ; Global water cycle ; Ice covered periods ; Lake water loss ; Long-wave radiation ; Model experiments ; Qinghai Tibet plateau ; Water-vapor exchange ; Ice ; atmosphere-hydrosphere interaction ; energy balance ; experimental study ; heat flux ; hydrological cycle ; hydrological modeling ; ice mechanics ; lake dynamics ; lake water ; mass balance ; seasonal variation ; surface temperature ; thermodynamics ; China ; Qinghai-Xizang Plateau
英文摘要: The lake-rich Qinghai-Tibet Plateau (QTP) has significant impacts on regional and global water cycles and monsoon systems through heat and water vapor exchange. The lake-atmosphere interactions have been quantified over open-water periods, yet little is known about the lake ice thermodynamics and heat and mass balance during the ice-covered season due to a lack of field data. In this study, a high-resolution thermodynamic ice model was applied in experiments of lake ice evolution and energy balance of a shallow lake in the QTP. Basal growth and melt dominated the seasonal evolution of lake ice, but surface sublimation was also crucial for ice loss, accounting for up to 40 % of the maximum ice thickness. Sublimation was also responsible for 41 % of the lake water loss during the ice-covered period. Simulation results matched the observations well with respect to ice mass balance components, ice thickness, and ice temperature. Strong solar radiation, negative air temperature, low air moisture, and prevailing strong winds were the major driving forces controlling the seasonal ice mass balance. The energy balance was estimated at the ice surface and bottom, and within the ice interior and under-ice water. Particularly, almost all heat fluxes showed significant diurnal variations including incoming, absorbed, and penetrated solar radiation, long-wave radiation, turbulent air-ice heat fluxes, and basal ice-water heat fluxes. The calculated ice surface temperature indicated that the atmospheric boundary layer stratification was consistently stable or neutral throughout the ice-covered period. The turbulent air-ice heat fluxes and the net heat gain by the lake were much lower than those during the open-water period. © Author(s) 2019.
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/162980
Appears in Collections:气候变化与战略

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作者单位: Huang, W., Key Laboratory of Subsurface Hydrology and Ecological Effects in Arid Region, Ministry of Education, Chang'an University, Xi'an, 710054, China, School of Environmental Science and Engineering, Chang'an University, Xi'an, 710054, China; Cheng, B., Finnish Meteorological Institute, Helsinki, Finland; Zhang, J., Key Laboratory of Subsurface Hydrology and Ecological Effects in Arid Region, Ministry of Education, Chang'an University, Xi'an, 710054, China, School of Environmental Science and Engineering, Chang'an University, Xi'an, 710054, China; Zhang, Z., Key Laboratory of Subsurface Hydrology and Ecological Effects in Arid Region, Ministry of Education, Chang'an University, Xi'an, 710054, China, School of Environmental Science and Engineering, Chang'an University, Xi'an, 710054, China; Vihma, T., Finnish Meteorological Institute, Helsinki, Finland; Li, Z., State Key Laboratory of Coastal and Offshore Engineering, Dalian University of Technology, Dalian, 116024, China, State Key Laboratory of Frozen Soil Engineering, Northwest Institute of Eco-Environment and Resources, Chinese Academy of Sciences, Lanzhou, 730000, China; Niu, F., State Key Laboratory of Frozen Soil Engineering, Northwest Institute of Eco-Environment and Resources, Chinese Academy of Sciences, Lanzhou, 730000, China

Recommended Citation:
Huang W.,Cheng B.,Zhang J.,et al. Modeling experiments on seasonal lake ice mass and energy balance in the Qinghai-Tibet Plateau: A case study[J]. Hydrology and Earth System Sciences,2019-01-01,23(4)
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