The One-Dimensionality of the Upper Ocean Mixing and the Role of Advection During the POLE Experiment PDF Download
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Author: Ricky Eugene Shook
Publisher:
ISBN:
Category : Ocean-atmosphere interaction
Languages : en
Pages : 0
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Book Description
A one-dimensional mixed layer model (Garwood, 1976, 1977) is used to simulate the mixed layer depth and temperature observed during POLEX, a component of the North Pacific Experiment. POLEX occurred during January-February 1974 with mid-ocean observations (35 deg n, 155 deg w) of temperature and salinity made from R/P FLIP, while FLIP was under free-drift conditions. The results of this simulation show that apparent horizontal advection, due to the drift of R/P FLIP, was important in the heat and salinity budgets, but that vertical mixing and mixed layer depth changes were controlled primarily by the one-dimensional response of the turbulent kinetic energy budget to the local atmospheric forcing. Occasionally, surface salinity flux, due to large precipitation rates, can significantly alter (on the order of tens of meters) the thickness of ocean surface turbulent boundary layer, with demonstrated decrease in thickness during a single period of strong precipitation. (Author).
Author: Ricky Eugene Shook
Publisher:
ISBN:
Category : Ocean-atmosphere interaction
Languages : en
Pages : 0
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Book Description
A one-dimensional mixed layer model (Garwood, 1976, 1977) is used to simulate the mixed layer depth and temperature observed during POLEX, a component of the North Pacific Experiment. POLEX occurred during January-February 1974 with mid-ocean observations (35 deg n, 155 deg w) of temperature and salinity made from R/P FLIP, while FLIP was under free-drift conditions. The results of this simulation show that apparent horizontal advection, due to the drift of R/P FLIP, was important in the heat and salinity budgets, but that vertical mixing and mixed layer depth changes were controlled primarily by the one-dimensional response of the turbulent kinetic energy budget to the local atmospheric forcing. Occasionally, surface salinity flux, due to large precipitation rates, can significantly alter (on the order of tens of meters) the thickness of ocean surface turbulent boundary layer, with demonstrated decrease in thickness during a single period of strong precipitation. (Author).
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Category :
Languages : en
Pages :
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Category : Aeronautics
Languages : en
Pages : 910
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Category : Hydrology
Languages : en
Pages : 404
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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
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Category : Science
Languages : en
Pages : 1312
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Category : Government reports announcements & index
Languages : en
Pages : 1744
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Author: Michael C. Gregg
Publisher: Cambridge University Press
ISBN: 1316800415
Category : Science
Languages : en
Pages : 385
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Book Description
The stratified ocean mixes episodically in small patches where energy is dissipated and density smoothed over scales of centimeters. The net effect of these countless events effects the shape of the ocean's thermocline, how heat is transported from the sea surface to the interior, and how dense bottom water is lifted into the global overturning circulation. This book explores the primary factors affecting mixing, beginning with the thermodynamics of seawater, how they vary in the ocean and how they depend on the physical properties of seawater. Turbulence and double diffusion are then discussed, which determines how mixing evolves and the different impacts it has on velocity, temperature, and salinity. It reviews insights from both laboratory studies and numerical modelling, emphasising the assumptions and limitations of these methods. This is an excellent reference for researchers and graduate students working to advance our understanding of mixing, including oceanographers, atmospheric scientists and limnologists.
Author: Olaf M. Johannessen
Publisher: Springer Science & Business Media
ISBN: 3540498567
Category : Science
Languages : en
Pages : 434
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Book Description
This book describes a new tool called the Generic Model System for simulations and assessment of potential radioactive spreading in the Arctic regions. It considers the present and future potential for spreading of radionuclear pollution from sources such as from the major Russian processing plants as well as from European sources such as the UK Sellafield plant. The book combines the expertise of professionals from the radionuclear and climate-change sciences.
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Publisher: Academic Press
ISBN: 0128130822
Category : Science
Languages : en
Pages : 4318
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Book Description
The oceans cover 70% of the Earth’s surface, and are critical components of Earth’s climate system. This new edition of Encyclopedia of Ocean Sciences, Six Volume Set summarizes the breadth of knowledge about them, providing revised, up to date entries as well coverage of new topics in the field. New and expanded sections include microbial ecology, high latitude systems and the cryosphere, climate and climate change, hydrothermal and cold seep systems. The structure of the work provides a modern presentation of the field, reflecting the input and different perspective of chemical, physical and biological oceanography, the specialized area of expertise of each of the three Editors-in-Chief. In this framework maximum attention has been devoted to making this an organic and unified reference. Represents a one-stop. organic information resource on the breadth of ocean science research Reflects the input and different perspective of chemical, physical and biological oceanography, the specialized area of expertise of each of the three Editors-in-Chief New and expanded sections include microbial ecology, high latitude systems and climate change Provides scientifically reliable information at a foundational level, making this work a resource for students as well as active researches
