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Studies of the hydrology, influence and variability of the Asian summer monsoon.

Ziel


To investigate the processes involved in the evolution of the Asian Summer Monsoon and in its intraseasonal and interannual variability, and thereby to improve their simulation in forecast and climate models. An over-riding theme is the goal of understanding the processes involved in seasonal and climate predictability.


Over half the world's population live within the influence of the Asian Summer Monsoon where the reliable
return of the summer rains is essential for life. Therefore the human implications of improved prediction for
sub-seasonal, seasonal and climate timescales are enormous. The influence of the monsoon extends to many
regions remote from SE-Asia; its importance in the global circulation and climate predictability has been
recognised in the new CLIVAR (Climate Variability and Predictability) GOALS (Global
Ocean-Atmosphere-Land System) programme of the WCRP. The proposed project is closely allied with the
aims of CLIVAR-GOALS and will contribute to numerical experimentation within Europe in support of that
programme.
The project research involves common diagnosis of multi-year integrations and coordinated, idealised
experiments using, primarily, atmospheric GCMs, but extending to coupled atmosphere-ocean GCMs during
the later stages of the project. The idealised experimentation is designed to investigate possible mechanisms
for monsoon variability.
The processes which determine the behaviour of the Asian Summer Monsoon are varied and interactive. The
dependence on horizontal resolution, on the parametrisation of physical processes, and on anomalies in boundary
forcing, particularly sea surface temperatures, will be investigated. In addition, several supporting programmes
have been identified which cover observational studies for model validation, ensemble techniques and
palaeoclimate studies. The palaeoclimate studies will provide a broader parameter space within which to test
physical parametrisations and potential mechanisms for monsoon variability.
Close coordination exists between SHIVA and the seasonal prediction project, PROVOST, since a clear
objective of SHIVA is to improve seasonal predictability for monsoon-affected countries. As well as
undertaking joint numerical experimentation, the PROVOST and SHIVA projects will meet jointly each year.

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Finanzierungsplan

CSC - Cost-sharing contracts

Koordinator

University of Reading
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Adresse
2 Earley Gate Whiteknights
RG6 6BB Reading
Vereinigtes Königreich

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Letzte Aktualisierung: 8 Oktober 1998

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Permalink: https://cordis.europa.eu/project/id/ENV4950122/de

European Union, 2024