A global climate model (GENESIS) with a land-surface transfer scheme (LSX). Part I: present climate simulation

S. L. Thompson, D. Pollard

Research output: Contribution to journalArticle

193 Scopus citations

Abstract

The present-day climatology of a global climate model (GENESIS Version 1.02) is described. The model includes a land-surface transfer component (LSX) that accounts for the physical effects of vegetation. The atmospheric general circulation model is derived from the NCAR CCM1 and modified to include semi-Lagrangian transport of water vapor, subgrid plume convection, PBL mixing, a more complex cloud scheme, and a diurnal cycle. The surface models consist of LSX; multilayer models of soil, snow, and sea ice; sea ice dynamics; and a slab mixed layer ocean. The results are compared with those using a simplified bucket-soil model and crude parameterizations of surface albedo and roughness. Although quite similar results are obtained on global scales, significant regional differences including surface warming and drying occur in some regions of Amazonia and northern midlatitude continental interiors. -from Authors

Original languageEnglish (US)
Pages (from-to)732-761
Number of pages30
JournalJournal of Climate
Volume8
Issue number4
DOIs
StatePublished - Jan 1 1995

All Science Journal Classification (ASJC) codes

  • Atmospheric Science

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