全球变化研究

大气环流模式中地面参数化的发展

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  • 1.兰州大学大气科学系 兰州 730000;2.甘肃省气象学校 兰州
付培健,男,1955年10月出生,讲师,主要从事大气物理与大气环境研究。

收稿日期: 1998-03-02

  修回日期: 1998-07-20

  网络出版日期: 1999-02-01

THE DEVELOPMENT OF THE LAND SURFACE PARAMETERIZATIONS FOR ATMOSPHERIC GENERAL CIRCULATION MODEL

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  • 1.The Department of the Atmospheric Science,Lanzhou University,Lanzhou 730000;2.The Atmospheric School of Gansu Province, Lanzhou 730020

Received date: 1998-03-02

  Revised date: 1998-07-20

  Online published: 1999-02-01

摘要

用于气候模拟和天气预报的大气环流模式要用到地—气间的辐射、水汽和动量通量。这些通量为次网格模式,又被称为地面参数化。在过去20年里,由于植物学、水文学、卫星遥感技术的不断发展和大量的外场观测试验,这些参数化方案由简单的、缺乏真实性的方案逐渐发展为逼真程度很高的全球土壤—植被—大气交换系统模拟方案。有些参数化方案综合生物化学和生态学的知识,与先进的气候、海洋模式相耦合能够模拟地球系统对全球变化的生物和物理响应,如全球大气中CO2含量增高现象,介绍了地—气交换模式的发展过程以及今后在这方面继续研究的方向。

本文引用格式

付培健,王世红,林有恒 . 大气环流模式中地面参数化的发展[J]. 地球科学进展, 1999 , 14(1) : 44 -50 . DOI: 10.11867/j.issn.1001-8166.1999.01.0044

Abstract

The fluxes of radiation,heat,water and momentum across the land-atmosphere interface are important for atmospheric general circulation models(AGCMs).These fluxes are subscale and must be parameterized for large scale models.The parameterized fluxes are called land surface parameterizations,which significantly affect the accuracy of AGCMs.Over the past 20 years,as the plant physiological and hydrological development and a number of field observations,the parameterizations have been improved fromsimple and unrealistic schemes into credible representations.Some schemes with advancecd biochemical and ecological knowledge and coupled with climate,oceanic models can describe the biological and physical response of earth system to global changes,such as the increase of  CO2 concentration.In this paper,we overview the development of land surface parameterizations and the further researches in the field.

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