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Oceans : A Very Short Introduction - Dorrik Stow

Oceans

A Very Short Introduction

Paperback Published: 1st October 2017
ISBN: 9780199655076
Number Of Pages: 152

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The importance of the oceans to life on Earth cannot be overstated. Liquid water covers more than 70% of our planet's surface and, in past geological time, has spread over 85%. Life on Earth began in the oceans over 3.5 billion years ago and remained there for the great majority of that time. Today the seas still provide 99% of habitable living space, the largest repository of biomass, and holds the greatest number of undiscovered species on the planet. Our oceans are vital for the regulation of climate, and with global warming and decreasing land area, they have become increasingly important as the source of food, energy in the form of oil and gas, and for their mineral wealth. Oceans also form a key part of the biogeochemical cycles of carbon, nitrogen, and other elements critical to life. Nutrients in upwelling areas are spread by ocean currents, and the plankton of the seas supports a wealth of wildlife.

In this Very Short Introduction Dorrik Stow analyses these most important components of our blue planet and considers their relationship with, and exploitation by, humans. He shows how the oceans are an essential resource to our overpopulated world, and discusses why exploration and greater scientific understanding of the oceans, their chemistry, and their mineral wealth are now a high priority. Stow also explores what we know of how oceans originate, and evolve and change; the shape of the seafloor and nature of its cover; the physical processes that stir the waters and mix such a rich chemical broth; and the inseparable link between oceans and climate. As polar ice melts and sea-levels rise, countless millions who have made their homes on low-lying lands close to the sea are threatened. As scientific exploration of the seas gathers pace, the new knowledge gained of the ocean-Earth systems and their interaction with the human environment is vital to our understanding of how we can preserve these ultimately fragile environments.

ABOUT THE SERIES: The Very Short Introductions series from Oxford University Press contains hundreds of titles in almost every subject area. These pocket-sized books are the perfect way to get ahead in a new subject quickly. Our expert authors combine facts, analysis, perspective, new ideas, and enthusiasm to make interesting and challenging topics highly readable.

Industry Reviews

The text is clean and clear. Most of the precise, technical words that decorate geological literature have been replaced by simpler words or phrases. Importantly, this makes the book available to a far wider audience ... This book needs promoting and updating annually. * David Edwards, Geoscientist *
Dorrik Stow's book is a keenly observed narrative about the beauty and complexity of Earth's oceans. This slim volume with its elegant prose is a must read for anyone who wishes to understand why oceans are central to the flourishing of humans as well as the planet itself. * Professor Paul Pinet, Colgate University a *

1: Ocean frontier 2: Ocean transience 3: Mountains and valleys 4: Chemical broth 5: Dynamic ocean 6: Ocean-climate nexus 7: Marine web of life 8: Ocean bounty 9: Fragile environment References Further Reading Index

ISBN: 9780199655076
ISBN-10: 0199655073
Series: Very Short Introductions
Audience: General
Format: Paperback
Language: English
Number Of Pages: 152
Published: 1st October 2017
Country of Publication: GB
Dimensions (cm): 17.27 x 10.92  x 1.27
Weight (kg): 0.16

Earn 43 Qantas Points
on this Book