Arctic Ice-Islands and How They Drift. Origins of the Floating Ice-Islands PDF Download
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Author: Canada. Directorate of Scientific Information Services
Publisher:
ISBN:
Category :
Languages : en
Pages : 5
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Author: Canada. Directorate of Scientific Information Services
Publisher:
ISBN:
Category :
Languages : en
Pages : 5
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Author: Nikolaĭ Nikolaevich Zubov
Publisher:
ISBN:
Category : Arctic regions
Languages : en
Pages : 30
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Author: N. N. Zubov
Publisher:
ISBN:
Category :
Languages : en
Pages : 18
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Book Description
In recent years there have been discovered, in the Central Arctic Ocean, some very curious ice-formations, known as ice-island. These islands are sharply distinct both from the old ice-fields of the Central Arctic regions and from the icebergs carved by the glaciers which descend into the Arctic Basin. The thickness of the Arctic ice fields (including the hummocks) usually does not exceed 3-5 meters, while the horizontal dimensions both in summer and particularly in winter may be very great (some tens of kilometers). Most of the East Greenland icebergs which have been surveyed had heights of about 70 m and lengths around 1 km. Thus the ratio of vertical to horizontal size is extremely small in ice fields, and in icebergs comparatively large. Ice islands occupy, in this respect, an intermediate position.
Author: Luke Copland
Publisher: Springer
ISBN: 9402411011
Category : Science
Languages : en
Pages : 426
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Book Description
This book provides an overview of the current state of knowledge of Arctic ice shelves, ice islands and related features. Ice shelves are permanent areas of ice which float on the ocean surface while attached to the coast, and typically occur in very cold environments where perennial sea ice builds up to great thickness, and/or where glaciers flow off the land and are preserved on the ocean surface. These landscape features are relatively poorly studied in the Arctic, yet they are potentially highly sensitive indicators of climate change because they respond to changes in atmospheric, oceanic and glaciological conditions. Recent fracturing and breakup events of ice shelves in the Canadian High Arctic have attracted significant scientific and public attention, and produced large ice islands which may pose a risk to Arctic shipping and offshore infrastructure. Much has been published about Antarctic ice shelves, but to date there has not been a dedicated book about Arctic ice shelves or ice islands. This book fills that gap.
Author: Matti Leppäranta
Publisher: Springer Science & Business Media
ISBN: 3540269703
Category : Science
Languages : en
Pages : 282
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Book Description
This book presents the fundamental laws of sea ice drift, as derived from the material properties of sea ice, the basic laws of mechanics, and the latest modeling techniques. Topics covered include the science of sea ice drift, forecasting velocity based on volume, size and shape, sea ice ridging and remote sensing, modelling of ice conditions, and the role of sea ice drift in oceanography, marine ecology and engineering.
Author: Matti Leppäranta
Publisher: Springer Science & Business Media
ISBN: 3642046835
Category : Science
Languages : en
Pages : 370
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Book Description
The Second Edition of The Drift of Sea Ice presents the fundamental laws of sea ice drift which come from the material properties of sea ice and the basic laws of mechanics. The resulting system of equations is analysed for the general properties of sea ice drift, the free drift model and analytical models for ice drift in the presence of internal friction, and the construction of numerical ice drift models is detailed. This second edition of a much lauded work, unique on this topic in the English language, has been revised, updated and expanded with much new information and outlines recent results, in particular in relation to the climate problem, mathematical modelling and ice engineering applications. The current book presents the theory, observations, mathematical modelling techniques, and applications of sea ice drift science. The theory is presented from the beginning on a graduate student level, so that students and researchers coming from other fields such as physical oceanography, meteorology, physics, engineering, environmental sciences or geography can use the book as a source book or self-study material. First the drift ice material is presented ending with the concept of ‘ice state’ – the relevant properties in sea ice dynamics. Ice kinematics observations are widely presented with the mathematical analysis methods, and thereafter come drift ice rheology – to close the triangle material – kinematics – stress. The momentum equation of sea ice is derived in detail and its general properties are carefully analysed. Then follow two chapters on analytical models: free drift and drift in the presence of internal friction: These are very important tools in understanding the dynamical behaviour of sea ice. The last topical chapter is numerical models, which are the modern tool to solve ice dynamics problem in short term and long term problems. The closing chapter summarises sea ice dynamics applications and the need of sea ice dynamic knowledge and gives some final remarks on the future of this branch of science.
Author: Albert Paddock Crary
Publisher:
ISBN:
Category : Ice
Languages : en
Pages : 46
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Book Description
Author: Gerry H. Cabaniss
Publisher:
ISBN:
Category : Arctic Ocean
Languages : en
Pages : 344
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Book Description
Author: Ivan E. Frolov
Publisher: Springer Science & Business Media
ISBN: 3540376658
Category : Science
Languages : en
Pages : 305
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Book Description
A group of authors from the Arctic and Antarctic Research Institute in St Petersburg, Russia, have all achieved individual doctoral theses on various aspects of Arctic and Antarctic research. This book is written by experienced group of researchers and authors.
Author: Kenneth Leland Hunkins
Publisher:
ISBN:
Category : Drifting ice stations
Languages : en
Pages : 74
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Book Description
