Oceans

Rubriek: Textual/Printed/Reference Materials - Boek

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Uiterlijk 8 januari in huis

Our oceans are hugely important, as a source of food and mineral wealth, as an environment for a vast variety of wildlife, for the role they play in climate regulation, and as part of the biogeochemical cycles of carbon, nitrogen, and other elements critical to life. Dorrik Stow explores what we know about how oceans originate and are maintained.



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.

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Taal: en

Uitvoering: Paperback

Oorspronkelijke releasedatum: 27 juli 2017

Aantal pagina's: 152

Illustraties: Nee

Originele titel: Oceans: An Illustrated Reference

Hoofdauteur: Dorrik Stow

Tweede Auteur: Dorrik Stow

Hoofduitgeverij: Oxford University Press

Fabrikantgegevens: De informatie van de fabrikant is momenteel niet beschikbaar.

Extra groot lettertype: Nee

Product breedte: 111 mm

Product hoogte: 15 mm

Product lengte: 174 mm

Studieboek: Ja

Verpakking breedte: 113 mm

Verpakking hoogte: 11 mm

Verpakking lengte: 174 mm

Verpakkingsgewicht: 158 g

EAN: 9780199655076

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