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Plugs and Plug Circles

Plugs and Plug Circles
Author: Albert Lincoln Washburn
Publisher: Geological Society of America
Total Pages: 98
Release: 1997-01-01
Genre: Travel
ISBN: 0813711908

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Patterned ground, encompassing circles, nets, polygons, and stripes, indicate soil, temperature, hydrologic, and other environmental conditions, past and present. Plug circles and plugs, a variety of patterned ground, occur in both nonsorted and sorted forms in permafrost environments. Study in the Canadian High Arctic, and a review of hypotheses of origin support the conclusion that plug circles and plugs are diapiric forms resulting from frost heaving, and that surfaceward seepage accounts for many occurences. This title focuses on many of the aspects of patterned ground, plugs and plug circles detailing circulatory soil processes and examining origin.


Pre-Mesozoic Ice Ages

Pre-Mesozoic Ice Ages
Author: John C. Crowell
Publisher: Geological Society of America
Total Pages: 108
Release: 1999-01-01
Genre: Science
ISBN: 9780813711928

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Ancient ice ages are revealed by distinctive stratal facies that tell us much about the times of coolness and how the climate system works. Several strong ice ages were recorded in the late Paleozic time and during transitions from the Devonian in to the Carboniferous and from the Ordovician in to the Silurian. In Precambrian time, several are documented for both the late and early Proterozoic age. This title explores findings on the pre-Mesozoic ice ages, examining climate in relation to tectonobiogeochemical activities rooted in the changing earth-air-ocean system.


Encyclopedia of Environmental Change

Encyclopedia of Environmental Change
Author: John A Matthews
Publisher: SAGE
Total Pages: 1490
Release: 2013-12-13
Genre: Nature
ISBN: 1446264882

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Accessibly written by a team of international authors, the Encyclopedia of Environmental Change provides a gateway to the complex facts, concepts, techniques, methodology and philosophy of environmental change. This three-volume set illustrates and examines topics within this dynamic and rapidly changing interdisciplinary field. The encyclopedia includes all of the following aspects of environmental change: Diverse evidence of environmental change, including climate change and changes on land and in the oceans Underlying natural and anthropogenic causes and mechanisms Wide-ranging local, regional and global impacts from the polar regions to the tropics Responses of geo-ecosystems and human-environmental systems in the face of past, present and future environmental change Approaches, methodologies and techniques used for reconstructing, dating, monitoring, modelling, projecting and predicting change Social, economic and political dimensions of environmental issues, environmental conservation and management and environmental policy Over 4,000 entries explore the following key themes and more: Conservation Demographic change Environmental management Environmental policy Environmental security Food security Glaciation Green Revolution Human impact on environment Industrialization Landuse change Military impacts on environment Mining and mining impacts Nuclear energy Pollution Renewable resources Solar energy Sustainability Tourism Trade Water resources Water security Wildlife conservation The comprehensive coverage of terminology includes layers of entries ranging from one-line definitions to short essays, making this an invaluable companion for any student of physical geography, environmental geography or environmental sciences.


Popular Science

Popular Science
Author:
Publisher:
Total Pages: 298
Release: 1956-03
Genre:
ISBN:

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Popular Science gives our readers the information and tools to improve their technology and their world. The core belief that Popular Science and our readers share: The future is going to be better, and science and technology are the driving forces that will help make it better.


Racing Engine Builder's HandbookHP1492

Racing Engine Builder's HandbookHP1492
Author: Tom Monroe
Publisher: Penguin
Total Pages: 643
Release: 2006-09-05
Genre: Transportation
ISBN: 1101503033

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This is a complete guide to building racing engines, focusing on tips and techniques that will help an engine builder build a motor for any application: drag racing, circle track, road racing, or boats.


Ordnance Supply Manual

Ordnance Supply Manual
Author: George L. Lohrer
Publisher:
Total Pages: 990
Release: 1904
Genre:
ISBN:

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Full Circle Magazine #97

Full Circle Magazine #97
Author: Ronnie Tucker
Publisher: Full Circle Magazine
Total Pages: 59
Release: 2015-05-29
Genre:
ISBN:

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This month: * Command & Conquer * How-To : Run Android Apps in Ubuntu, LibreOffice, Using LaTeX, and Programming JavaScript * Graphics : Inkscape.* Chrome Cult * Linux Labs: IP Camera with Powerline Adapter* Ubuntu Phones * Review: KDE Plasma 5* Ubuntu Games: This War of Mineplus: News, Arduino, Q&A, and soooo much more.