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Application of semi-implicit scheme of integration to barotropic prediction

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Abstract

Application of a semi-implicit version of primitive equation barotropic model to predict monsoon depressions is proposed. Forecasts upto 48 hr have been quite satisfactory. The results are compared with those obtained from an explicit version of primitive equation barotropic model developed earlier. The flow patterns from these two versions are similar with few exceptions in isolated pockets, however, the forecast movement obtained from the semi-implicit version is comparable or slightly superior to those obtained from the explicit version. The computational time in semi-implicit and explicit schemes is approximately in the ratio of 1∶2.

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Authors and Affiliations

  1. Indian Institute of Tropical Meteorology, 411 005, Pune, India

    S S Singh & A Bandopadhyay

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  1. S S Singh
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  2. A Bandopadhyay
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Singh, S.S., Bandopadhyay, A. Application of semi-implicit scheme of integration to barotropic prediction. Proc. Indian Acad. Sci. (Earth Planet Sci.) 92, 105–113 (1983). https://doi.org/10.1007/BF02866732

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  • DOI: https://doi.org/10.1007/BF02866732

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