Development and validation of the frozen soil parameterization scheme in Common Land Model

被引：45

作者：

Luo, Siqiong ^{[1
,2
]}

Lue, Shihua ^{[1
]}

Zhang, Yu ^{[1
]}

机构：

[1] Chinese Acad Sci, Cold & Arid Reg Environm & Engn Res Inst, Lab Climate Environm & Disasters Western China, Lanzhou 730000, Peoples R China

[2] Chinese Acad Sci, Grad Sch, Beijing 100049, Peoples R China

来源：

COLD REGIONS SCIENCE AND TECHNOLOGY | 2009年 / 55卷 / 01期

基金：

中国国家自然科学基金;

关键词：

Frozen soil parameterization; CoLM; Tibetan Plateau; Soil liquid water content; Soil temperature; LATITUDE HYDROLOGICAL PROCESSES; TORNE-KALIX BASIN; SIMULTANEOUS HEAT; PILPS PHASE-2(E); SIMULATION; TEMPERATURE; PLATEAU; RUNOFF; INFILTRATION; PROJECT;

D O I：

10.1016/j.coldregions.2008.07.009

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

In this paper, a frozen soil parameterization scheme is developed based on the Common Land Model. We modify a frozen soil parameterization scheme using soil matric potential to define maximum liquid water content when soil temperature is below the freezing point; the simulation performance is validated using the data from Maqu station on the Tibetan Plateau from 2005 to 2006. The simulated results indicate that the modified frozen soil parameterization scheme allows the liquid water to exist when the soil temperature is below the freezing point, and the simulated soil liquid water content is significantly improved. The simulated soil temperature is also improved because of the successful simulation of the soil liquid water content. The distribution of energy from the modified model is closer to the observed data. Also, the simulated latent heat flux from the modified model increases and the simulated soil heat flux descends compared with the original model. (C) 2008 Published by Elsevier B.V.

引用

页码：130 / 140

页数：11