The past two or three decades have seen many important advances in our knowledge of the chemistry, physics, geology and biology of the oceans. It has also become apparent that in order to understand the manner in which the oceans work as a 'chemical system', it is necessary to use a framework which takes account of these interdisciplinary advances. Marine geochemistry has been written in response to the need for a single state-of-the-art text that addresses the subject of treating the sea water, sediment and rock reservoirs as a unified system. In taking this approach, a process-orientated framework has been adopted in which the emphasis is placed on identifying key processes operating within the 'unified ocean'. In doing this, particular attention has been paid to making the text accessible to students from all disciplines in such a way that future advances can readily be understood. I would like to express my thanks to those people who have helped with the writing of this volume. In particular, I wish to put on record my sincere appreciation of extremely helpful suggestions made by Professor John Edmond, FRS. In addition, I thank Dr S. Rowlatt for his comments on the sections covering the geochemistry of oceanic sediments, and Dr G. Wolff for his invaluable advice on the organic geochemistry of biota, water and sediments. It is a great pleasure to acknowledge the help of Dr K. J. T.

Marine Geochemistry

Science & Math

Roy Chester

Chemistry

Allen Unwin Australia

Earth Sciences

Chapman and Hall

This study offers a comprehensive and integrated treatment of the chemistry of the oceans, their sediments and biota. It addresses the fundamental question: how do the oceans work as a chemical system? It capitalizes on the significant advances in understanding achieved in the past two decades, advances facilitated by improved sampling and analytical techniques, better theoretical concepts, and the establishment of a large-scale international oceanographic programme. Designed for use as a text, the book treats the oceans as a 'unified system' in which material stored in the sea water, the sediment and the rock reservoirs interact to control the composition of sea water itself. Part I covers the transport of material to the oceans via rivers, the atmosphere and hydrothermal systems, and discusses their relative flux magnitudes. Part II considers the oceans as a reservoir, introducing water-column parameters before discussing dissolved gases, nutrients and organic carbon, particulate matter, trace elements, down-column fluxes and the benthic boundary layer. Part III is devoted to the sediment reservoir. The topics covered include diagenesis, the major components of the sediments, and the processes controlling the geochemistry of oceanic deposits, which are discussed in terms of sediment-forming signals. Part IV offers an overview and synthesis of the integrated marine geochemical system.

Chapman & Hall

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