Ocean Mixing and Circulation Response in the Marginal Ice Zone PDF Download
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Languages : en
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Author:
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Languages : en
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Author: David Gregory Markham
Publisher:
ISBN:
Category : Oceanic mixing
Languages : en
Pages : 0
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Book Description
A sea ice model using the Rossby-similarity method was added to a two-dimensional, embedded ocean general circulation--mixed layer model. Advection, diffusion, and mixing of buoyancy and momentum were included in the model to determine their effects on the ocean response. In particular, the case of Northern Hemisphere ice edge upwelling was investigated. Ice edge upwelling was created for a down-ice geostrophic wind and varying surface buoyancy flux forcing. It appeared in model solutions for both stationary and moving ice covers and is driven by a divergence in the ocean surface transport across the ice edge. These results are supported by the observations of the NORSEX group in the Greenland Sea MIZ (Johannessen et al, 1983). For an up-ice geostrophic wind, the upper ocean response was modified by the buoyancy forcing and ice motion. The combined effects of the wind forcing and ice motion due to a nonstationary ice cover caused weak downwelling at the ice edge. Application of a downward surface buoyancy flux (simulating ice melting) resulted in a 8 m elevation of the mixed layer depth at the ice edge, or upwelling, next to the downwelling. The existence of this dual (upwelling and downwelling) feature at the ice edge differs from the weak downwelling predicted by Roed and O'Brien (1983). Adding the effects of mixing had a significant impact on the upper ocean response and should be incorporated in future models of dynamical MIZ processes.
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Category : Glaciology
Languages : en
Pages : 648
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Author: Burton G. Hurdle
Publisher: Springer Science & Business Media
ISBN: 1461580358
Category : Science
Languages : en
Pages : 788
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Book Description
" ... as soon as one has traversed the greater part of the wild sea, one comes upon such a huge quantity of ice that nowhere in the whole world has the like been known." "This ice is of a wonderful nature. It lies at times quite still, as one would expect, with openings or large fjords in it; but sometimes its movement is so strong and rapid as to equal that of a ship running before the wind, and it drifts against the wind as often as with it." Kongespeilet - 1250 A.D. ("The Mirror of Kings") Modern societies require increasing amounts influence on the water mass and on the resulting of scientific information about the environment total environment of the region; therefore, cer tain of its characteristics will necessarily be in whieh they live and work. For the seas this information must describe the air above the sea, included.
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Category : Aeronautics
Languages : en
Pages : 728
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Author: Wade H. Shafer
Publisher: Springer Science & Business Media
ISBN: 1468451979
Category : Science
Languages : en
Pages : 407
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Book Description
Masters Theses in the Pure and Applied Sciences was first conceived, published, and disseminated by the Center for Information and Numerical Data Analysis and Synthesis (CINDAS) * at Purdue University in 1 957, starting its coverage of theses with the academic year 1955. Beginning with Volume 13, the printing and dissemination phases of the activity were transferred to University Microfilms/Xerox of Ann Arbor, Michigan, with the thought that such an arrangement would be more beneficial to the academic and general scientific and technical community. After five years of this joint undertaking we had concluded that it was in the interest of all con cerned if the printing and distribution of the volumes were handled by an interna tional publishing house to assure improved service and broader dissemination. Hence, starting with Volume 18, Masters Theses in the Pure and Applied Sciences has been disseminated on a worldwide basis by Plenum Publishing Cor poration of New York, and in the same year the coverage was broadened to include Canadian universities. All back issues can also be ordered from Plenum. We have reported in Volume 29 (thesis year 1984) a total of 12,637 theses titles from 23 Canadian and 202 United States universities. We are sure that this broader base for these titles reported will greatly enhance the value of this important annual reference work. While Volume 29 reports theses submitted in 1984, on occasion, certain univer sities do report theses submitted in previous years but not reported at the time.
Author: M. IKEDA
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Author: Michael Meredith
Publisher: Elsevier
ISBN: 0128215135
Category : Science
Languages : en
Pages : 386
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Book Description
Ocean Mixing: Drivers, Mechanisms and Impacts presents a broad panorama of one of the most rapidly-developing areas of marine science. It highlights the state-of-the-art concerning knowledge of the causes of ocean mixing, and a perspective on the implications for ocean circulation, climate, biogeochemistry and the marine ecosystem. This edited volume places a particular emphasis on elucidating the key future questions relating to ocean mixing, and emerging ideas and activities to address them, including innovative technology developments and advances in methodology. Ocean Mixing is a key reference for those entering the field, and for those seeking a comprehensive overview of how the key current issues are being addressed and what the priorities for future research are. Each chapter is written by established leaders in ocean mixing research; the volume is thus suitable for those seeking specific detailed information on sub-topics, as well as those seeking a broad synopsis of current understanding. It provides useful ammunition for those pursuing funding for specific future research campaigns, by being an authoritative source concerning key scientific goals in the short, medium and long term. Additionally, the chapters contain bespoke and informative graphics that can be used in teaching and science communication to convey the complex concepts and phenomena in easily accessible ways. Presents a coherent overview of the state-of-the-art research concerning ocean mixing Provides an in-depth discussion of how ocean mixing impacts all scales of the planetary system Includes elucidation of the grand challenges in ocean mixing, and how they might be addressed
Author: American Meteorological Society
Publisher:
ISBN:
Category : Meteorology
Languages : en
Pages : 388
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Book Description
Author: Matthew W. Hecht
Publisher: John Wiley & Sons
ISBN: 1118671996
Category : Science
Languages : en
Pages : 654
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Book Description
Published by the American Geophysical Union as part of the Geophysical Monograph Series, Volume 177. This monograph is the first to survey progress in realistic simulation in a strongly eddying regime made possible by recent increases in computational capability. Its contributors comprise the leading researchers in this important and constantly evolving field. Divided into three parts Oceanographic Processes and Regimes: Fundamental Questions Ocean Dynamics and State: From Regional to Global Scale, and Modeling at the Mesoscale: State of the Art and Future Directions The volume details important advances in physical oceanography based on eddy resolving ocean modeling. It captures the state of the art and discusses issues that ocean modelers must consider in order to effectively contribute to advancing current knowledge, from subtleties of the underlying fluid dynamical equations to meaningful comparison with oceanographic observations and leading-edge model development. It summarizes many of the important results which have emerged from ocean modeling in an eddying regime, for those interested broadly in the physical science. More technical topics are intended to address the concerns of those actively working in the field.
