Geologic Importance of Calcareous Algae PDF Download

Author: Jesse Harlan Johnson
Publisher:
ISBN:
Category : Algae
Languages : en
Pages : 112

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Author:
Publisher:
ISBN:
Category : Construction industry
Languages : en
Pages : 44

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Author: B.U. Haq
Publisher: Elsevier
ISBN: 0080534961
Category : Science
Languages : en
Pages : 385

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This beautifully illustrated text book, with state-of-the-art illustrations, is useful not only for an introduction to the subject, but also for the application of marine microfossils in paleoceanographic, paleoenvironmental and biostratigraphic analyses. The recent revival of interest in marine micropaleontology worldwide in the wake of the development of sequence stratigraphic models has led to the decision to reissue the volume in its original, but paperback, form. The ideas expressed in various chapters of this second edition remain as valid today as they were when the book was first issued. The text, however, includes an updated Phanerozoic geologic time which has been considerably modified since the 1980s.

Author:
Publisher: Elsevier
ISBN: 0080868452
Category : Science
Languages : en
Pages : 201

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Calcareous algae

Author: E. Flügel
Publisher: Springer Science & Business Media
ISBN: 3642665160
Category : Science
Languages : en
Pages : 628

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Author:
Publisher:
ISBN:
Category : Geology
Languages : en
Pages : 706

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Author:
Publisher:
ISBN:
Category : Geology
Languages : en
Pages : 818

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Author: Geological Survey (U.S.)
Publisher:
ISBN:
Category :
Languages : en
Pages : 762

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Author: David Hopley
Publisher: Springer Science & Business Media
ISBN: 904812638X
Category : Science
Languages : en
Pages : 1226

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Coral reefs are the largest landforms built by plants and animals. Their study therefore incorporates a wide range of disciplines. This encyclopedia approaches coral reefs from an earth science perspective, concentrating especially on modern reefs. Currently coral reefs are under high stress, most prominently from climate change with changes to water temperature, sea level and ocean acidification particularly damaging. Modern reefs have evolved through the massive environmental changes of the Quaternary with long periods of exposure during glacially lowered sea level periods and short periods of interglacial growth. The entries in this encyclopedia condense the large amount of work carried out since Charles Darwin first attempted to understand reef evolution. Leading authorities from many countries have contributed to the entries covering areas of geology, geography and ecology, providing comprehensive access to the most up-to-date research on the structure, form and processes operating on Quaternary coral reefs.

Author: National Research Council
Publisher: National Academies Press
ISBN: 030916155X
Category : Science
Languages : en
Pages : 200

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The ocean has absorbed a significant portion of all human-made carbon dioxide emissions. This benefits human society by moderating the rate of climate change, but also causes unprecedented changes to ocean chemistry. Carbon dioxide taken up by the ocean decreases the pH of the water and leads to a suite of chemical changes collectively known as ocean acidification. The long term consequences of ocean acidification are not known, but are expected to result in changes to many ecosystems and the services they provide to society. Ocean Acidification: A National Strategy to Meet the Challenges of a Changing Ocean reviews the current state of knowledge, explores gaps in understanding, and identifies several key findings. Like climate change, ocean acidification is a growing global problem that will intensify with continued CO2 emissions and has the potential to change marine ecosystems and affect benefits to society. The federal government has taken positive initial steps by developing a national ocean acidification program, but more information is needed to fully understand and address the threat that ocean acidification may pose to marine ecosystems and the services they provide. In addition, a global observation network of chemical and biological sensors is needed to monitor changes in ocean conditions attributable to acidification.