Ice Island Creation Drift Recurrences Mechanical Properties And Interactions With Arctic Offshore Oil Production Structures PDF Download
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Author | : William M. Sackinger |
Publisher | : |
Total Pages | : 68 |
Release | : 1991 |
Genre | : Ice islands |
ISBN | : |
Download Ice Island Creation, Drift, Recurrences, Mechanical Properties, and Interactions with Arctic Offshore Oil Production Structures Book in PDF, ePub and Kindle
Author | : |
Publisher | : |
Total Pages | : 34 |
Release | : 1991 |
Genre | : |
ISBN | : |
Download Ice Island Creation, Drift, Recurrences, Mechanical Properties, and Interactions with Arctic Offshore Oil Production Structures. Final Report Book in PDF, ePub and Kindle
Research and engineering studies on first-year sea ice for over two decades has resulted in the design, construction, and operation of jacket platforms, of artificial islands, and of massive gravity structures which routinely withstand moving sea ice of thickness up to 2 meters. However, the less-common interactions between such structures and moving multiyear ice (≥3 meters thick), and also moving ice islands (10 to 60 meters thick) remain as the unknown and potentially most serious hazard for Arctic offshore structures. In this study, research was addressed across the complete span of remaining questions regarding such features. Ice island components, thickness distributions, scenarios and models for the interactions of massive ice features with offshore structures, all were considered. Ice island morphology and calving studies were directed at the cluster of 19 ice islands produced in a calving from the Ward Hunt Ice Shelf on Ellesmere Island in 1983, and also at a calving from the Milne Ice Shelf in 1988. The statistics of ice island dynamics, on both a short-term small-scale basis and also on a long-term basis, were studied. Typical wind velocities of 5 to 7.5 meters per second led to ice island speeds of about 0.014 of the wind speed, at an angle of 20° to the right of the wind direction. Ice island samples were tested for their stress/strain characteristics. Compressive strength values ranged from 1.64 MPa at a strain rate of 2 × 10−7 s−1 to 6.75 MPa at a strain rate of 1 × 10−3 s−1. Scenarios for ice island/structure interactions were developed, and protective countermeasures such as spray ice and ice rubble barriers were suggested. Additional computer modeling of structure/ice interactions for massive ice features is recommended.
Author | : |
Publisher | : |
Total Pages | : 34 |
Release | : 1991 |
Genre | : |
ISBN | : |
Download Ice Island Creation, Drift, Recurrences, Mechanical Properties, and Interactions with Arctic Offshore Oil Production Structures Book in PDF, ePub and Kindle
Research and engineering studies on first-year sea ice for over two decades has resulted in the design, construction, and operation of jacket platforms, of artificial islands, and of massive gravity structures which routinely withstand moving sea ice of thickness up to 2 meters. However, the less-common interactions between such structures and moving multiyear ice ([ge]3 meters thick), and also moving ice islands (10 to 60 meters thick) remain as the unknown and potentially most serious hazard for Arctic offshore structures. In this study, research was addressed across the complete span of remaining questions regarding such features. Ice island components, thickness distributions, scenarios and models for the interactions of massive ice features with offshore structures, all were considered. Ice island morphology and calving studies were directed at the cluster of 19 ice islands produced in a calving from the Ward Hunt Ice Shelf on Ellesmere Island in 1983, and also at a calving from the Milne Ice Shelf in 1988. The statistics of ice island dynamics, on both a short-term small-scale basis and also on a long-term basis, were studied. Typical wind velocities of 5 to 7.5 meters per second led to ice island speeds of about 0.014 of the wind speed, at an angle of 20[degrees] to the right of the wind direction. Ice island samples were tested for their stress/strain characteristics. Compressive strength values ranged from 1.64 MPa at a strain rate of 2 [times] 10[sup [minus]7] s[sup [minus]1] to 6.75 MPa at a strain rate of 1 [times] 10[sup [minus]3] s[sup [minus]1]. Scenarios for ice island/structure interactions were developed, and protective countermeasures such as spray ice and ice rubble barriers were suggested. Additional computer modeling of structure/ice interactions for massive ice features is recommended.
Author | : Luke Copland |
Publisher | : Springer |
Total Pages | : 426 |
Release | : 2017-05-30 |
Genre | : Science |
ISBN | : 9402411011 |
Download Arctic Ice Shelves and Ice Islands Book in PDF, ePub and Kindle
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 | : A. B. Cammaert |
Publisher | : Van Nostrand Reinhold Company |
Total Pages | : 456 |
Release | : 1988 |
Genre | : Glaciers |
ISBN | : |
Download Ice Interaction with Offshore Structures Book in PDF, ePub and Kindle
Author | : |
Publisher | : |
Total Pages | : 654 |
Release | : 1993 |
Genre | : Power resources |
ISBN | : |
Download Energy Research Abstracts Book in PDF, ePub and Kindle
Author | : University of Alaska Fairbanks. Geophysical Institute |
Publisher | : |
Total Pages | : 482 |
Release | : 1991 |
Genre | : Geophysics |
ISBN | : |
Download Biennial Report Book in PDF, ePub and Kindle
Author | : |
Publisher | : |
Total Pages | : 606 |
Release | : 1995-03 |
Genre | : Petroleum |
ISBN | : |
Download Petroleum Abstracts Book in PDF, ePub and Kindle
Author | : |
Publisher | : |
Total Pages | : 1768 |
Release | : 1993 |
Genre | : Science |
ISBN | : |
Download Government Reports Announcements & Index Book in PDF, ePub and Kindle
Author | : Huntley, L |
Publisher | : Montréal : The Centre |
Total Pages | : |
Release | : 1997 |
Genre | : Sea ice drift |
ISBN | : |
Download Simulation of Ice Drift Behavior Behind Offshore Structures Book in PDF, ePub and Kindle