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........ published in NEWSLETTER # 50

ENERGY AND WATER CYCLES IN THE CLIMATE SYSTEM
by Professor E. Raschke, GKSS_Research Center Geesthacht and University, Hamburg (Germany) and Dr. D. Jacob, Max_Planck_Institute for Meteorology, Hamburg (Germany)

This volume (NATO ASI Series I5) contains the proceedings of an Advanced Study Institute held in Gluecksburg, Germany, in 1991. Its major subject covers aspects of energy and water cycles in climate systems, which must be understood much better to make advances in climate and environmental research fields.

In the first two chapters, prepared by J.P. Peixoto and E. Klinker, a general review is presented on the climatology of atmospheric energetics and water cycles and various aspects of their modelling. The following four sections concentrate on cloud_radiation_climate interaction (E. Raschke), convective and large_scale cloud process modelling (A. Del Genio), and satellite observation of various cloud properties (2x W.L. Rossow). Five chapters cover most aspects of the role of clouds in climate processes. They are completed by a sixth chapter on the observation and analysis of global rainfall (E. Ruprecht).

More advanced uses of all data in models are described by O. Talagrand in a chapter on data assimilation problems. The next four chapters cover important aspects of the role of oceans in the climate system. J. Willebrand and P. Delecluse describe the forcing of oceans by heat and freshwater fluxes and their worldwide modelling. Air_sea interactions connceting the oceans with the atmosphere have been described in detail by L. Hasse. J.P. van Spersele concentrates on sea_ice interactions in polar regions.

Three further chapters by W.J. Shuttleworth, S. Larson and J. Stocker (with five co_authors) concentrate on various modelling and observational aspects of energy, momentum and water fluxes over continents, and in particular over vegetated surfaces.

Finally, J. Dozier describes his efforts to establish a world_wide and consumer friendly database for climate research.

These lectures were presented to a group of about 75 students coming from more than 10 different countries, in order to acquaint them with problems related to the scientific objectives of GEWEX, the Global Energy and Water Cycles Experiment. Most of this material is now widely used in training courses.
Reference books: C372, G16, I4, I5, I6

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