The Changing Ocean Carbon Cycle: A Midterm Synthesis of the Joint Global Ocean Flux Study

by Edited by Roger B. Hanson , Hugh W. Ducklow , John G. Field

• ISBN13: 9780521656030
• ISBN10: 0521656036
• Edition: 1st
• Format: Paperback
• Copyright: 2000-01-28
• Publisher: Cambridge University Press

Summary

The world’s oceans act as a reservoir, with the capacity to absorb and retain carbon dioxide. The air-sea exchange of carbon is driven by physico-chemical forces, photosynthesis and respiration, and has an important influence on atmospheric composition. Variability in the ocean carbon cycle could therefore exert significant feedback effects during conditions of climate change. The Joint Global Ocean Flux Study (JGOFS) is the first multidisciplinary programme to directly address the interactions between the biology, chemistry and physics of marine systems, with emphasis on the transport and transformations of carbon within the ocean and across its boundaries. This unique volume, written by an international panel of scientists, provides a synthesis of JGOFS science and its achievements to date. It will therefore appeal to all those seeking a recent overview of the role of ocean processes in Earth system science and their wider implications on climate change.

Table of Contents

Contributors	ix
Preface	xiii
PART ONE INTRODUCTION
The evolution of the Joint Global Ocean Flux Study project	3	(16)
J. J. McCarthy
PART TWO CARBON EXCHANGE PROCESSES AND THEIR VARIABILITY
Marine primary production and the effects of wind	19	(18)
E. Sakshaug
K. Tangen
D. Slagstad
Net production, gross production and respiration: what are the interconnections and what controls what?	37	(24)
P. J. le B. Williams
The role of iron in plankton ecology and carbon dioxide transfer of the global oceans	61	(80)
H. J. W. de Baar
P. W. Boyd
The influence of iron on ocean biology and climate: insights from the IronEx studies in the equatorial Pacific	141	(14)
P. S. Liss
S. M. Turner
Testing the importance of iron and grazing in the maintenance of the high nitrate condition in the equatorial Pacific Ocean: a physical--biological model study	155	(32)
F. Chai
S. T. Lindley
J. R. Toggweiler
R. T. Barber
Continental margin carbon fluxes	187	(53)
K.-K. Liu
K. Iseki
S.-Y. Chao
Sediment trap sampling in surface waters	240	(45)
W. D. Gardner
PART THREE REGIONAL-SCALE ANALYSIS AND INTEGRATION
Mixed-layer dynamics and primary production in the Arabian Sea	285	(15)
S. Sathyendranath
T. Platt
Plankton ecology and biogeochemistry in the Southern Ocean: a review of the Southern Ocean JGOFS	300	(38)
U. Bathmann
J. Priddle
P. Treguer
M. Lucas
J. Hall
J. Parslow
Process studies in eutrophic, mesotrophic and oligotrophic oceanic regimes within the tropical northeast Atlantic	338	(37)
A. Morel
The North Atlantic carbon cycle: new perspectives from JGOFS and WOCE	375	(17)
S.C. Doney
D. W. R. Wallace
H. W. Ducklow
Temporal studies of biogeochemical dynamics in oligotrophic oceans	392	(25)
A. F. Michaels
D. M. Karl
A. H. Knap
PART FOUR GLOBAL-SCALE ANALYSIS AND INTEGRATION
Advances in ecosystem modelling within JGOFS	417	(30)
M. J. R. Fasham
G. T. Evans
Remote sensing of primary production in the ocean: promise and fulfilment	447	(22)
T. Platt
S. Sathyendranath
A. Longhurst
PART FIVE FUTURE CHALLENGES
Beyond JGOFS	469	(24)
K. L. Denman
M. A. Pena
PART SIX CONCLUSION
Some conclusions and highlights of JGOFS mid-project achievements	493	(8)
J. G. Field
H. W. Ducklow
R. B. Hanson
Index	501