中国科学院青藏高原研究所机构知识库
Advanced  
ITPCAS OpenIR  > 图书馆  > 期刊论文
学科主题: 地理学::自然地理学
题名: Development of an enthalpy-based frozen soil model and its validation in a cold region in China
作者: Bao, HY (Bao, Huiyi)1; Koike, T (Koike, Toshio)1; Yang, K (Yang, Kun)2, 3; Wang, L (Wang, Lei)2, 3; Shrestha, M (Shrestha, Maheswor)4; Lawford, P (Lawford, Peter)1
通讯作者: Bao, HY
刊名: JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES
发表日期: 2016
DOI: 10.1002/2015JD024451
卷: 121, 期:10, 页:5259-5280
收录类别: SCI
合作性质: 国际
文章类型: Article
英文摘要: An enthalpy-based frozen soil model was developed for the simulation of water and energy transfer in cold regions. To simulate the soil freezing/thawing processes stably and efficiently, a three-step algorithm was applied to solve the nonlinear governing equations: (1) a thermal diffusion equation was implemented to simulate the heat conduction between soil layers; (2) a freezing/thawing scheme used a critical temperature criterion to judge the phase status and introduced enthalpy and total water mass into freezing depression equation to represent ice formation/melt and corresponding latent heat release/absorption; and (3) a water flow scheme was employed to describe the liquid movement within frozen soil. In addition, a parameterization set of hydraulic and thermal properties was updated by considering the frozen soil effect. The performance of the frozen soil model was validated at point scale in a typical mountainous permafrost basin of China. An ice profile initialization method is proposed for permafrost modeling. Results show that the model can achieve a convergent solution at a time step of hourly and a surface layer thickness of centimeters that are typically used in current land surface models. The simulated profiles of soil temperature, liquid water content, ice content and thawing front depth are in good agreement with the observations and the characteristics of permafrost. The model is capable of continuously reproducing the diurnal and seasonal freeze-thaw cycle and simulating frozen soil hydrological processes.
语种: 英语
WOS记录号: WOS:000381629900009
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.itpcas.ac.cn/handle/131C11/7695
Appears in Collections:图书馆_期刊论文

Files in This Item:
File Name/ File Size Content Type Version Access License
V.121(10) 5259-5280 2016.pdf(3031KB)期刊论文作者接受稿开放获取View 联系获取全文

作者单位: 1.Univ Tokyo, Dept Civil Engn, Tokyo, Japan
2.Chinese Acad Sci, Lab Tibetan Environm Changes & Land Surface Proc, Inst Tibetan Plateau Res, Beijing, Peoples R China
3.CAS Ctr Excellence Tibetan Plateau Earth Sci, Beijing, Peoples R China
4.Water & Energy Commiss Secretariat, Water Resources Div, Kathmandu, Nepal

Recommended Citation:
Bao, HY ,Koike, T ,Yang, K ,et al. Development of an enthalpy-based frozen soil model and its validation in a cold region in China[J]. JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES,2016,121(10):5259-5280.
Service
Recommend this item
Sava as my favorate item
Show this item's statistics
Export Endnote File
Google Scholar
Similar articles in Google Scholar
[Bao, HY (Bao, Huiyi)]'s Articles
[Koike, T (Koike, Toshio)]'s Articles
[Yang, K (Yang, Kun)]'s Articles
CSDL cross search
Similar articles in CSDL Cross Search
[Bao, HY (Bao, Huiyi)]‘s Articles
[Koike, T (Koike, Toshio)]‘s Articles
[Yang, K (Yang, Kun)]‘s Articles
Related Copyright Policies
Null
Social Bookmarking
Add to CiteULike Add to Connotea Add to Del.icio.us Add to Digg Add to Reddit
文件名: V.121(10) 5259-5280 2016.pdf
格式: Adobe PDF
所有评论 (0)
暂无评论
 
评注功能仅针对注册用户开放,请您登录
您对该条目有什么异议,请填写以下表单,管理员会尽快联系您。
内 容:
Email:  *
单位:
验证码:   刷新
您在IR的使用过程中有什么好的想法或者建议可以反馈给我们。
标 题:
 *
内 容:
Email:  *
验证码:   刷新

Items in IR are protected by copyright, with all rights reserved, unless otherwise indicated.

 

 

Valid XHTML 1.0!
Copyright © 2007-2017  中国科学院青藏高原研究所 - Feedback
Powered by CSpace