Publication Abstracts

Lunkheit et al. 1998

Lunkheit, F., K. Fraedrich, and S.E. Bauer, 1998: Storm tracks in a warmer climate: Sensitivity studies with a simplified global circulation model. Clim. Dyn., 14, 813-826, doi:10.1007/s003820050257.

A simplified global circulation model is used to analyse a greenhouse warming experiment simulated by a comprehensive general circulation model. The given GCM scenario and control climates are assimilated by the simplified model using a dynamical relaxation technique. Two sets of sensitivity experiments investigate the influence of upper and lower tropospheric changes in baroclinicity on the Northern Hemisphere winter storm tracks. The results show that the three-dimensional structure of both the background flow and the changes in baroclinicity are important for the behaviour of mid-latitude eddy activity in relation to modifications of the baroclinicity. In general, the mid-latitude eddy activity is more sensitive to lower than to upper level changes in baroclinicity. The results further suggest that the simulated storm track changes in the GCM scenario are dominated by local modes of baroclinic instability.

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BibTeX Citation

@article{lu03000u,
  author={Lunkheit, F. and Fraedrich, K. and Bauer, S. E.},
  title={Storm tracks in a warmer climate: Sensitivity studies with a simplified global circulation model},
  year={1998},
  journal={Clim. Dyn.},
  volume={14},
  pages={813--826},
  doi={10.1007/s003820050257},
}

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RIS Citation

TY  - JOUR
ID  - lu03000u
AU  - Lunkheit, F.
AU  - Fraedrich, K.
AU  - Bauer, S. E.
PY  - 1998
TI  - Storm tracks in a warmer climate: Sensitivity studies with a simplified global circulation model
JA  - Clim. Dyn.
VL  - 14
SP  - 813
EP  - 826
DO  - 10.1007/s003820050257
ER  -

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