干旱区生态环境知识资源中心(Arid): Evaluation of Soil Thermal Conductivity Schemes for Use in Land Surface Modeling

Arid

DOI	10.1029/2019MS001723
	Evaluation of Soil Thermal Conductivity Schemes for Use in Land Surface Modeling
	Dai, Yongjiu 1; Wei, Nan 1; Yuan, Hua 1; Zhang, Shupeng 1; Wei Shangguan 1; Liu, Shaofeng 1; Lu, Xingjie 1; Xin, Yufei 2
通讯作者	Dai, Yongjiu ; Wei, Nan
来源期刊	JOURNAL OF ADVANCES IN MODELING EARTH SYSTEMS
EISSN	1942-2466
出版年	2019
卷号	11 期号:11 页码:3454-3473
英文摘要	Soil thermal conductivity (STC) is an important physical parameter in modeling land surface processes. Previous studies on evaluations of STC schemes are mostly based on direct measurements of local conditions, and their recommendations cannot be used as a reference in selecting STC schemes for land modeling use. In this work, seven typical STC schemes are incorporated into the Common Land Model to evaluate their applications in land surface modeling. Statistical analyses show that the Johansen (1975) scheme and its three derivatives, Cote and Konrad (2005, ), Balland and Arp (2005, ), and Lu et al. (2007, ), are significantly superior to the other schemes with respect to both STC estimations and their applications in modeling soil temperature and the partitioning of surface available energy in the Common Land Model. The Balland and Arp (2005, ) scheme ranks at the top among the selected schemes. Uncertainty analyses based on single-point and global simulations both show that the differences in STC estimations can induce significant differences in simulated soil temperature in arid/semiarid and seasonally frozen regions, especially at deep layers. The hydrology-related variables are slightly affected by STC variations, but slight changes in these variables can induce notable changes in soil temperature by altering soil thermal properties. These results emphasize the important role of STC in modeling soil thermodynamics and suggest the necessity of further developing STC schemes based on land modeling applications. According to the evaluation analyses, we recommend the Balland and Arp (2005, ) scheme as a more suitable selection for use in land surface models.
英文关键词	Land surface modeling Soil thermal conductivity schemes Performance evaluation Uncertainties analyses
类型	Article
语种	英语
国家	Peoples R China
开放获取类型	Green Submitted, gold
收录类别	SCI-E
WOS记录号	WOS:000495149100001
WOS关键词	ENERGY-BALANCE CLOSURE ; PARAMETERIZATION ; TEMPERATURE ; VARIABILITY ; FLUXNET ; FOREST ; FIELD
WOS类目	Meteorology & Atmospheric Sciences
WOS研究方向	Meteorology & Atmospheric Sciences
EI主题词	2019-11-08
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/310789
作者单位	1.Sun Yat Sen Univ, Sch Atmospher Sci, Southern Marine Sci & Engn Guangdong Lab Zhuhai, Guangdong Prov Key Lab Climate Change & Nat Disas, Guangzhou, Guangdong, Peoples R China; 2.Chinese Acad Meteorol Sci, China Meteorol Adm, State Key Lab Severe Weather, Beijing, Peoples R China
推荐引用方式 GB/T 7714	Dai, Yongjiu,Wei, Nan,Yuan, Hua,et al. Evaluation of Soil Thermal Conductivity Schemes for Use in Land Surface Modeling[J],2019,11(11):3454-3473.
APA	Dai, Yongjiu.,Wei, Nan.,Yuan, Hua.,Zhang, Shupeng.,Wei Shangguan.,...&Xin, Yufei.(2019).Evaluation of Soil Thermal Conductivity Schemes for Use in Land Surface Modeling.JOURNAL OF ADVANCES IN MODELING EARTH SYSTEMS,11(11),3454-3473.
MLA	Dai, Yongjiu,et al."Evaluation of Soil Thermal Conductivity Schemes for Use in Land Surface Modeling".JOURNAL OF ADVANCES IN MODELING EARTH SYSTEMS 11.11(2019):3454-3473.