Publication Abstracts

Druyan and Hastenrath 1992

Druyan, L.M., and S. Hastenrath, 1992: GCM simulation of the Sahel 1984 drought with alternative specifications of observed SST. Int. J. Climatol., 12, 521-526, doi:10.1002/joc.3370120508.

Two climate simulations using the NASA/Goddard Instutute for Space Studies coarse-resolution GCM are compared in order to investigate the sensitivity of modelled summer precipitation over West Africa to the specification of observed sea-surace temperatures (SST). Both experiments used analyses of observed SST for the boreal spring and summer of 1984, but one was derived from NOAA publications while the second came from COADS archives. Values of the NOAA SST for the tropical Atlantic were somewhat higher during June-August, leading to larger modelled evaporation rates and a model hindcast of heavy precipitation over West Africa in August, contrary to observational evidence. By comparison, dry conditions were simulated using COADS SST. The results highlight the importance of quality observations of SST and they demonstrate how sensitive the GCM is to these data.

Export citation: [ BibTeX ] [ RIS ]

BibTeX Citation

@article{dr05100g,
  author={Druyan, L. M. and Hastenrath, S.},
  title={GCM simulation of the Sahel 1984 drought with alternative specifications of observed SST},
  year={1992},
  journal={Int. J. Climatol.},
  volume={12},
  pages={521--526},
  doi={10.1002/joc.3370120508},
}

[ Close ]

RIS Citation

TY  - JOUR
ID  - dr05100g
AU  - Druyan, L. M.
AU  - Hastenrath, S.
PY  - 1992
TI  - GCM simulation of the Sahel 1984 drought with alternative specifications of observed SST
JA  - Int. J. Climatol.
VL  - 12
SP  - 521
EP  - 526
DO  - 10.1002/joc.3370120508
ER  -

[ Close ]

• Return to 1992 Publications

• Return to Publications Homepage