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Development of a land surface model with coupled snow and frozen soil physics
Wang, L (Wang, Lei)1,2,3; Zhou, J (Zhou, Jing)1; Qi, J (Qi, Jia)1,3; Sun, LT (Sun, Litao)1,3; Yang, K (Yang, Kun)1,2,3; Tian, LD (Tian, Lide)1,2,3; Lin, YL (Lin, Yanluan)4,5; Liu, WB (Liu, Wenbin)6; Shrestha, M (Shrestha, Maheswor)7; Xue, YK (Xue, Yongkang)8; Koike, T (Koike, Toshio)9; Ma, YM (Ma, Yaoming)1,2,3; Li, XP (Li, Xiuping)1; Chen, YY (Chen, Yingying)1,2; Chen, DL (Chen, Deliang)10; Piao, SL (Piao, Shilong)11; Lu, H (Lu, Hui)4,5; Wang, L; Zhou, J
Source PublicationWATER RESOURCES RESEARCH
2017
Volume53Issue:6Pages:5085-5103
DOI10.1002/2017WR020451
AbstractSnow and frozen soil are important factors that influence terrestrial water and energy balances through snowpack accumulation and melt and soil freeze-thaw. In this study, a new land surface model (LSM) with coupled snow and frozen soil physics was developed based on a hydrologically improved LSM (HydroSiB2). First, an energy-balance-based three-layer snow model was incorporated into HydroSiB2 (hereafter HydroSiB2-S) to provide an improved description of the internal processes of the snow pack. Second, a universal and simplified soil model was coupled with HydroSiB2-S to depict soil water freezing and thawing (hereafter HydroSiB2-SF). In order to avoid the instability caused by the uncertainty in estimating water phase changes, enthalpy was adopted as a prognostic variable instead of snow/soil temperature in the energy balance equation of the snow/frozen soil module. The newly developed models were then carefully evaluated at two typical sites of the Tibetan Plateau (TP) (one snow covered and the other snow free, both with underlying frozen soil). At the snow-covered site in northeastern TP (DY), HydroSiB2-SF demonstrated significant improvements over HydroSiB2-F (same as HydroSiB2-SF but using the original single-layer snow module of HydroSiB2), showing the importance of snow internal processes in three-layer snow parameterization. At the snow-free site in southwestern TP (Ngari), HydroSiB2-SF reasonably simulated soil water phase changes while HydroSiB2-S did not, indicating the crucial role of frozen soil parameterization in depicting the soil thermal and water dynamics. Finally, HydroSiB2-SF proved to be capable of simulating upward moisture fluxes toward the freezing front from the underlying soil layers in winter.
Subject Area自然地理学
WOS IDWOS:000405997000035
Language英语
Indexed BySCI
KeywordBIOSPHERE HYDROLOGICAL MODEL ATMOSPHERE TRANSFER SCHEME SIMULTANEOUS HEAT MASS-TRANSFER TIBETAN PLATEAU WATER DYNAMICS COLD REGION COVER PARAMETERIZATION INFILTRATION
WOS Research AreaEnvironmental Sciences & Ecology; Marine & Freshwater Biology; Water Resources
WOS SubjectEnvironmental Sciences; Limnology; Water Resources
Cooperation Status国际
Citation statistics
Cited Times:13[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.itpcas.ac.cn/handle/131C11/8199
Collection图书馆
Corresponding AuthorWang, L; Zhou, J
Affiliation1.Chinese Acad Sci, Inst Tibetan Plateau Res, Key Lab Tibetan Environm Changes & Land Surface P, Beijing, Peoples R China.
2.CAS Ctr Excellence Tibetan Plateau Earth Sci, Beijing, Peoples R China.
3.Univ Chinese Acad Sci, Beijing, Peoples R China.
4.Tsinghua Univ, Dept Earth Syst Sci, Beijing, Peoples R China.
5.Minist Educ, Key Lab Numer Simulat Earth Syst, Beijing, Peoples R China.
6.Chinese Acad Sci, Inst Geog Sci & Nat Resources Res, Beijing, Peoples R China.
7.Water & Energy Commiss Secretariat, Kathmandu, Nepal.
8.Univ Calif Los Angeles, Dept Geog, Los Angeles, CA 90024 USA.
9.Univ Tokyo, Dept Civil Engn, Tokyo, Japan.
10.Univ Gothenburg, Dept Earth Sci, Gothenburg, Sweden.
11.Peking Univ, Coll Urban & Environm Sci, Sino French Inst Earth Syst Sci, Beijing, Peoples R China.
Recommended Citation
GB/T 7714
Wang, L ,Zhou, J ,Qi, J ,et al. Development of a land surface model with coupled snow and frozen soil physics[J]. WATER RESOURCES RESEARCH,2017,53(6):5085-5103.
APA Wang, L .,Zhou, J .,Qi, J .,Sun, LT .,Yang, K .,...&Zhou, J.(2017).Development of a land surface model with coupled snow and frozen soil physics.WATER RESOURCES RESEARCH,53(6),5085-5103.
MLA Wang, L ,et al."Development of a land surface model with coupled snow and frozen soil physics".WATER RESOURCES RESEARCH 53.6(2017):5085-5103.
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