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Development of a land surface model with coupled snow and frozen soil physics
Wang, Lei1,2,3; Zhou, Jing1; Qi, Jia1,3; Sun, Litao1,3; Yang, Kun1,2,3; Tian, Lide1,2,3; Lin, Yanluan4,5; Liu, Wenbin6; Shrestha, Maheswor7; Xue, Yongkang8; Koike, Toshio9; Ma, Yaoming1,2,3; Li, Xiuping1; Chen, Yingying1,2; Chen, Deliang10; Piao, Shilong11; Lu, Hui4,5
2017-06-01
Source PublicationWATER RESOURCES RESEARCH
ISSN0043-1397
Volume53Issue:6Pages:5085-5103
Corresponding AuthorWang, Lei(wanglei@itpcas.ac.cn) ; Zhou, Jing(zhoujing@itpcas.ac.cn)
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.
DOI10.1002/2017WR020451
WOS KeywordBIOSPHERE HYDROLOGICAL MODEL ; ATMOSPHERE TRANSFER SCHEME ; SIMULTANEOUS HEAT ; MASS-TRANSFER ; TIBETAN PLATEAU ; WATER DYNAMICS ; COLD REGION ; COVER ; PARAMETERIZATION ; INFILTRATION
Indexed BySCI
Language英语
Funding ProjectNational Key Basic Research Program of China[2013CBA01805] ; Chinese Academy of Sciences[XDB03030302] ; Chinese Academy of Sciences[131C11KYSB20160061] ; National Natural Science Foundation of China[41322001] ; National Natural Science Foundation of China[41401080] ; National Natural Science Foundation of China[41571033] ; Key Technologies R&D Program of China[2013BAB05B03] ; Top-Notch Young Talents Program of China
Funding OrganizationNational Key Basic Research Program of China ; Chinese Academy of Sciences ; National Natural Science Foundation of China ; Key Technologies R&D Program of China ; Top-Notch Young Talents Program of China
WOS Research AreaEnvironmental Sciences & Ecology ; Marine & Freshwater Biology ; Water Resources
WOS SubjectEnvironmental Sciences ; Limnology ; Water Resources
WOS IDWOS:000405997000035
PublisherAMER GEOPHYSICAL UNION
Citation statistics
Cited Times:13[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.igsnrr.ac.cn/handle/311030/62744
Collection中国科学院地理科学与资源研究所
Corresponding AuthorWang, Lei; Zhou, Jing
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, Lei,Zhou, Jing,Qi, Jia,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, Lei.,Zhou, Jing.,Qi, Jia.,Sun, Litao.,Yang, Kun.,...&Lu, Hui.(2017).Development of a land surface model with coupled snow and frozen soil physics.WATER RESOURCES RESEARCH,53(6),5085-5103.
MLA Wang, Lei,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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