Toward monitoring the tropospheric temperature by means of a general 
circulation model

Stendel, Martin; Bengtsson, Lennart

doi:10.1029/97JD01668

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Toward monitoring the tropospheric temperature by means of a general circulation model

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Stendel, Martin
MPI for Meteorology, Max Planck Society;

Bengtsson, Lennart
MPI for Meteorology, Max Planck Society;

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Citation

Stendel, M., & Bengtsson, L. (1997). Toward monitoring the tropospheric temperature by means of a general circulation model. Journal of Geophysical Research: Atmospheres, 102, 29779-29788. doi:10.1029/97JD01668.

Cite as: https://hdl.handle.net/21.11116/0000-0003-260B-7

Abstract

The recent global tropospheric temperature trend can be reproduced by climate models that are forced only by observed sea surface temperature (SST) anomalies. In this study, simulations with the Hamburg climate model (ECHAM) are compared to temperatures from microwave sounding units (MSU) and to reanalyses from the European Centre for Medium-Range Weather Forecasts. There is overall agreement of observed and simulated tropospheric temperature anomalies in many regions, in particular in the tropics and over the oceans, which lack conventional observing systems. This provides the opportunity to link physically different quantities, such as surface observations or analyses (SST) and satellite soundings (MSU) by means of a general circulation model. The proposed method can indicate inconsistencies between MSU temperatures and SSTs and has apparently done so. Differences between observed and simulated tropospheric temperature anomalies can partly be attributed to stratospheric aerosol variations due to major volcanic eruptions.