globalchange  > 气候变化与战略
DOI: 10.5194/hess-24-5745-2020
论文题名:
Last-decade progress in understanding and modeling the land surface processes on the Tibetan Plateau
作者: Lu H.; Zheng D.; Yang K.; Yang F.
刊名: Hydrology and Earth System Sciences
ISSN: 1027-5606
出版年: 2020
卷: 24, 期:12
起始页码: 5745
结束页码: 5758
语种: 英语
Scopus关键词: Artificial intelligence ; Digital storage ; Earth atmosphere ; Flow of water ; Heat transfer ; Lakes ; Snow ; Soil mechanics ; Surface measurement ; Artificial intelligence methods ; Ground-based observations ; Land surface modeling ; Land-surface process ; Meteorological forcing ; Northern Hemispheres ; Satellite observations ; Soil organic matter contents ; Soils ; freeze-thaw cycle ; land surface ; land-atmosphere interaction ; Northern Hemisphere ; numerical model ; China ; Qinghai-Xizang Plateau
英文摘要: Land surface models (LSMs) that simulate water and energy exchanges at the land-atmosphere interface are a key component of Earth system models. The Tibetan Plateau (TP) drives the Asian monsoon through surface heating and thus plays a key role in regulating the climate system in the Northern Hemisphere. Therefore, it is vital to understand and represent well the land surface processes on the TP. After an early review that identified key issues in the understanding and modeling of land surface processes on the TP in 2009, much progress has been made in the last decade in developing new land surface schemes and supporting datasets. This review summarizes the major advances. (i) An enthalpybased approach was adopted to enhance the description of cryosphere processes such as glacier and snow mass balance and soil freeze-thaw transition. (ii) Parameterization of the vertical mixing process was improved in lake models to ensure reasonable heat transfer to the deep water and to the near-surface atmosphere. (iii) New schemes were proposed for modeling water flow and heat transfer in soils accounting for the effects of vertical soil heterogeneity due to the presence of high soil organic matter content and dense vegetation roots in surface soils or gravel in soil columns. (iv) Supporting datasets of meteorological forcing and soil parameters were developed by integrating multi-source datasets including ground-based observations. Perspectives on the further improvement of land surface modeling on the TP are provided, including the continuous updating of supporting datasets, parameter estimation through assimilation of satellite observations, improvement of snow and lake processes, adoption of data-driven and artificial intelligence methods, and the development of an integrated LSM for the TP. © 2020 Author(s).
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/162533
Appears in Collections:气候变化与战略

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作者单位: Lu, H., Ministry of Education Key Laboratory for Earth System Modeling, Department of Earth System Science, Tsinghua University, Beijing, 100084, China, Ministry of Education Ecological Field Station for East Asian Migratory Birds, Beijing, 100084, China; Zheng, D., National Tibetan Plateau Data Center, Key Laboratory of Tibetan Environmental Changes and Land Surface Processes, Institute of Tibetan Plateau Research, Chinese Academy of Sciences, Beijing, 100101, China; Yang, K., Ministry of Education Key Laboratory for Earth System Modeling, Department of Earth System Science, Tsinghua University, Beijing, 100084, China, Center for Excellence in Tibetan Plateau Earth Sciences, Chinese Academy of Sciences, Beijing, 100101, China; Yang, F., Ministry of Education Key Laboratory for Earth System Modeling, Department of Earth System Science, Tsinghua University, Beijing, 100084, China

Recommended Citation:
Lu H.,Zheng D.,Yang K.,et al. Last-decade progress in understanding and modeling the land surface processes on the Tibetan Plateau[J]. Hydrology and Earth System Sciences,2020-01-01,24(12)
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