Profile Properties Of Undeformed First Year Sea Ice
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Profile Properties Of Undeformed First Year Sea Ice
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Author : Gordon F. N. Cox
language : en
Publisher:
Release Date : 1988
Profile Properties Of Undeformed First Year Sea Ice written by Gordon F. N. Cox and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1988 with Ice categories.
In many sea ice engineering problems the ice sheet is assumed to be a homogeneous plate whose mechanical properties are estimated from the bulk salinity and average temperature of the ice sheet. Typically no regard has been given to the vertical variation of ice properties in the ice sheet or to time of ice formation. This paper reviews some of the mechanical properties of sea ice, including ice tensile, flexural and shear strengths, as well as the ice modulus. Equations for these properties are given as functions of the ice brine volume, which can be determined from ice salinity and temperature. A numerical, finite difference model is developed to predict salinity and temperature profiles of a growing ice sheet. In this model ice temperatures are calculated by performing an energy balance of the heat fluxes at the ice surface. The conductive heat flux obtained from the energy balance is then used to calculate the rate of ice growth and ice thickness by applying the Stefan ice growth equation. Ice salinities are determined by considering the amount of initial salt entrapment at the ice/water interface and the subsequent brine drainage due to brine expulsion and gravity drainage. Ice salinity and temperature profiles are then generated using climatological data for the Central Arctic Basin. The profiles appear to be realistic and agree reasonably well with field data. Mechanical property data is developed to provide mechanical property profiles for first-year sea ice of different thicknesses, grown at different times of the winter. The predicted profiles give composite plate properties that are significantly different from bulk properties obtained by assuming homogeneous plates. (EDC).
Crrel Technical Publications
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Author : Cold Regions Research and Engineering Laboratory (U.S.)
language : en
Publisher:
Release Date : 1990
Crrel Technical Publications written by Cold Regions Research and Engineering Laboratory (U.S.) and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1990 with Arctic regions categories.
Crrel Report
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Author :
language : en
Publisher:
Release Date : 1988
Crrel Report written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1988 with Cold regions categories.
Numerical Simulations Of The Profile Properties Of Undeformed First Year Sea Ice During The Growth Season
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Author : G.F.N. COX
language : en
Publisher:
Release Date : 1988
Numerical Simulations Of The Profile Properties Of Undeformed First Year Sea Ice During The Growth Season written by G.F.N. COX and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1988 with categories.
On The Profile Properties Of Undeformed First Year Sea Ice Draft Final Report
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Author : Gordon F. N. Cox
language : en
Publisher:
Release Date : 1985
On The Profile Properties Of Undeformed First Year Sea Ice Draft Final Report written by Gordon F. N. Cox and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1985 with Sea ice categories.
Crrel Monograph
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Author :
language : en
Publisher:
Release Date : 1981
Crrel Monograph written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1981 with Cold regions categories.
Scientific And Technical Aerospace Reports
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Author :
language : en
Publisher:
Release Date : 1989
Scientific And Technical Aerospace Reports written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1989 with Aeronautics categories.
Technical Reports Awareness Circular Trac
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Author :
language : en
Publisher:
Release Date : 1989
Technical Reports Awareness Circular Trac written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1989 with Science categories.
Sea Ice
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Author : Mohammed Shokr
language : en
Publisher: John Wiley & Sons
Release Date : 2015-03-16
Sea Ice written by Mohammed Shokr and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015-03-16 with Science categories.
Sea Ice: Physics and Remote Sensing addresses experiences acquired mainly in Canada by researchers in the fields of ice physics and growth history in relation to its polycrystalline structure as well as ice parameters retrieval from remote sensing observations. The volume describes processes operating at the macro- and microscale (e.g., brine entrapment in sea ice, crystallographic texture of ice types, brine drainage mechanisms, etc.). The information is supported by high-quality photographs of ice thin-sections prepared from cores of different ice types, all obtained by leading experts during field experiments in the 1970s through the 1990s, using photographic cameras and scanning microscopy. In addition, this volume presents techniques to retrieve a suite of sea ice parameters (e.g. ice type, concentration, extent, thickness, surface temperature, surface deformation, etc.) from space-borne and airborne sensor data. The breadth of the material on this subject is designed to appeal to researchers and users of remote sensing data who want to develop quick familiarity with the capabilities of this technology or detailed knowledge about major techniques for retrieval of key ice parameters. Volume highlights include: Detailed crystallographic classification of natural sea ice, the key information from which information about ice growth conditions can be inferred. Many examples are presented with material to support qualitative and quantitative interpretation of the data. Methods developed for revealing microstructural characteristics of sea ice and performing forensic investigations. Data sets on radiative properties and satellite observations of sea ice, its snow cover, and surrounding open water. Methods of retrieval of ice surface features and geophysical parameters from remote sensing observations with a focus on critical issues such as the suitability of different sensors for different tasks and data synergism. Sea Ice: Physics and Remote Sensing is intended for a variety of sea ice audiences interested in different aspects of ice related to physics, geophysics, remote sensing, operational monitoring, mechanics, and cryospheric sciences.
Advanced Very High Resolution Radiometer Avhrr
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Author : Arthur P. Cracknell
language : en
Publisher: CRC Press
Release Date : 1997-04-23
Advanced Very High Resolution Radiometer Avhrr written by Arthur P. Cracknell and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 1997-04-23 with Technology & Engineering categories.
Since the launch of the first of the Advanced Very High Resolution Radiometers (AVHRRs) in 1978, the data from these instruments has used for a wide range of non-meteorological applications. In this book, the author describes satellite system, AVHRRs, control of the spacecraft, and data- recovery arrangements. The book covers processing of the data to extract useful environmental information. The applications of the data to marine problems, based primarily on the study of sea-surface temperatures from the thermal-infrared channels of the instrument, are considered, as well as the study of vegetation and a whole variety of other land-based and hydrological applications.