基于Noah-LSM模式和CoLM模式的青藏高原中部陆面过程模拟

doi:10.7522/j.issn.1000-0240.2016.0175

冰川冻土 ›› 2016, Vol. 38 ›› Issue (6): 1501-1509.doi: 10.7522/j.issn.1000-0240.2016.0175

基于Noah-LSM模式和CoLM模式的青藏高原中部陆面过程模拟

刘火霖^1,2, 胡泽勇^1,3, 程思², 陈林²

1. 中国科学院西北生态环境资源研究院, 甘肃兰州 730000;
2. 福建省泉州市气象局, 福建泉州 362000;
3. 中国科学院青藏高原地球科学卓越创新中心, 北京 100101

收稿日期:2016-05-10 修回日期:2016-08-22 出版日期:2016-12-25 发布日期:2017-04-06
通讯作者: 胡泽勇,E-mail:zyhu@lzb.ac.cn E-mail:zyhu@lzb.ac.cn
作者简介:刘火霖(1989-),男,福建龙岩人,助理工程师,2015年在中国科学院大学获硕士学位,主要从事陆面过程与数值模拟研究.E-mail:liuhl1989@163.com
基金资助:
国家自然科学基金项目（91337212；91537101；91637313）；公益性行业（气象）科研专项（GYHY201406001）；中国科学院寒旱区陆面过程与气候变化重点实验室开放基金项目（LPCC201507）；国家重点基础研究发展计划（973计划）项目（2012CB026101）资助

Simulation of the land surface processes over the central Tibetan Plateau based on Noah-LSM and CoLM

LIU Huolin^1,2, HU Zeyong^1,3, CHENG Si², CHEN Lin²

1. Northwest Institute of Eco-Environment and Resources, Chinese Academy of Sciences, Lanzhou 730000, China;
2. Quanzhou Meteorological Bureau of Fujian Province, Quanzhou 362000, Fujian, China;
3. Chinese Academy of Sciences Center for Excellence in Tibetan Plateau Earth Sciences, Beijing 100101, China

Received:2016-05-10 Revised:2016-08-22 Online:2016-12-25 Published:2017-04-06

摘要/Abstract

摘要：

利用中国科学院那曲高寒气候环境观测研究站Amdo站2012年10月1日-2013年10月1日的气象和土壤资料，通过Noah-LSM模式和CoLM模式对青藏高原中部陆面过程进行模拟研究。模拟结果表明：两个模式对辐射通量的模拟均与观测值较吻合，地表长波辐射的模拟效果最好，净辐射次之，地表反射辐射最差；两个模式模拟的土壤温度与观测值很接近，均是表层的模拟效果好于深层，夏季的模拟效果好于冬季；土壤的冻结和融化过程都是由表层开始向下延伸的，CoLM模式模拟的冻融起止时间与观测值更为接近；两个模式对土壤湿度的变化趋势模拟较好，但存在较大偏差。

关键词: 青藏高原, CoLM, Noah-LSM, 陆面过程

Abstract:

The land surface processes over the central Tibetan Plateau were simulated by the Common Land Model and the Noah Land Surface Model, based on the observed meteorological data at Nagqu Station of Plateau Climate and Environment in the Tibetan Plateau of CAS from October 1, 2012 to October 1, 2013. The results showed that both models can capture the characteristics of radiation flux. Simulation of upward long-wave radiation is most successful, followed by that of net radiation, and the worst one is that of upward shortwave radiation. Both models performed well on soil temperature, especially on the temperature of shallow soil and in summer. Soil freezing and melting all start from the surface and spread downwards. Temporally, the simulated freeze-thaw process by the CoLM Model is closer to the observed one. For simulating the soil moisture, both models are able to predict the changing tendency with a relatively large bias.

Key words: Tibetan Plateau, CoLM, Noah-LSM, land surface processes

中图分类号:

P437

刘火霖, 胡泽勇, 程思, 陈林. 基于Noah-LSM模式和CoLM模式的青藏高原中部陆面过程模拟[J]. 冰川冻土, 2016, 38(6): 1501-1509.

LIU Huolin, HU Zeyong, CHENG Si, CHEN Lin. Simulation of the land surface processes over the central Tibetan Plateau based on Noah-LSM and CoLM[J]. JOURNAL OF GLACIOLOGY AND GEOCRYOLOGY, 2016, 38(6): 1501-1509.

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基于Noah-LSM模式和CoLM模式的青藏高原中部陆面过程模拟

Simulation of the land surface processes over the central Tibetan Plateau based on Noah-LSM and CoLM

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