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Download or read book An Evaluation of Two Ocean Mixed-layer Models written by and published by . This book was released on 1997 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : M. van Eijk
Publisher :
ISBN 13 :
Total Pages : 29 pages
Book Rating : 4.:/5 (374 download)
Download or read book An Evaluation of Two Ocean Mixed-layer Models written by M. van Eijk and published by . This book was released on 1997 with total page 29 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Michael Meredith
Publisher : Elsevier
ISBN 13 : 0128215135
Total Pages : 386 pages
Book Rating : 4.1/5 (282 download)
Download or read book Ocean Mixing written by Michael Meredith and published by Elsevier. This book was released on 2021-09-16 with total page 386 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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 : Paul J. Martin
Publisher :
ISBN 13 :
Total Pages : 36 pages
Book Rating : 4.:/5 (227 download)
Download or read book Testing and Comparison of Several Mixed-Layer Models written by Paul J. Martin and published by . This book was released on 1986 with total page 36 pages. Available in PDF, EPUB and Kindle. Book excerpt: Several models of the upper mixed layer of the ocean (Mellor-Yamada Level 2 and 2 1/2, Niiler, Garwood, Price, and Therry-Lacarrere) were compared using (a) idealized forcing that consisted of cases of wind deepening, heating, and cooling, (b) data from Ocean Stations November and Papa, (c) data taken during the Mixed-Layer Experiment (MILE), and (d) data taken from R/P FLIP in the spring of 1980 about 400 km off California. Comparisons with both idealized and observed forcing show the differences among the models to be significant. Differences are especially noticeable for the deepening of the mixed layer in the fall and winter due to wind mixing and convection, and for the shallowing of the mixed layer during light winds and strong heating. Although evaluation of the models is complicated by uncertainties (primarily with regard to advective effects and forcing), the results suggest certain deficiencies in some of the mixing parameterizations. Keywords: Mixed layer (Marine); Ocean models; Pacific Ocean; Air water interactions.
Author : Roland W. Garwood
Publisher :
ISBN 13 :
Total Pages : 96 pages
Book Rating : 4.:/5 (2 download)
Download or read book A general model of the ocean mixed layer written by Roland W. Garwood and published by . This book was released on 1976 with total page 96 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Sydney Levitus
Publisher :
ISBN 13 :
Total Pages : 196 pages
Book Rating : 4.:/5 (318 download)
Download or read book Climatological Atlas of the World Ocean written by Sydney Levitus and published by . This book was released on 1982 with total page 196 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : H. S. Rosner
Publisher :
ISBN 13 :
Total Pages : 75 pages
Book Rating : 4.:/5 (227 download)
Download or read book Evaluation of Surface Exchange Coefficients from Mildex Ocean/Atmosphere Mixed Layer Data written by H. S. Rosner and published by . This book was released on 1985 with total page 75 pages. Available in PDF, EPUB and Kindle. Book excerpt: This thesis evaluates a coupled oceanic-atmospheric boundary (ABL/OBL) model which provides single-station prediction capability relative to wind stress and oceanic mixed layer depth observations. The model is initialized and verified using data obtained during the 1983 Mixed Layer Dynamics Experiment (MILDEX). Model computation of friction velocity and oceanic mixed layer depth are compared with observations from both atmospheric frontal and non-frontal synoptic situations. Favorable results of model predictions are achieved although in some cases they are slightly higher than observed turbulence derived values of . Mixed layer predictions are very close to the observed except in frontal regions. Proper ABL/OBL model initialization of boundary layer values is critical in order to achieve favorable results. keywords: Marine atmospheric boundary layer; Oceanic boundary layer; Coupled boundary layer model; Interface; Well-mixed layers; Surface turbulent fluxes; Friction velocity.
Author : Patrick S. Cross
Publisher :
ISBN 13 :
Total Pages : 113 pages
Book Rating : 4.:/5 (64 download)
Download or read book A Comparison of Modeled and Observed Ocean Mixed Layer Behavior in a Sea Breeze Influenced Coastal Region written by Patrick S. Cross and published by . This book was released on 1993 with total page 113 pages. Available in PDF, EPUB and Kindle. Book excerpt: A high temporal resolution data set from a mooring in Monterey Bay, California was analyzed and used to calculate heat and momentum fluxes for the purpose of forcing two ocean mixed layer models. The time frame for the study was September, 1992, a period representative of the sea breeze circulation frequently affecting this and other coastal regions. The models used were that of Price, Weller and Pinkel (1986), a Richardson number based mixing model, and Garwood (1977), a model based on the turbulent kinetic energy budget within the mixed layer. Both models were analyzed with respect to their ability to reproduce the observed diurnal variation of the temperature and depth of the mixed layer. Although the model predictions agree reasonably well with observations in regards to the phase of the diurnal temperature cycle, they were seen to underpredict its magnitude, particularly the nocturnal cooling. This lack of cooling in the models relative to the ocean could be due to penetrative convection, non-steady state turbulence, and/or diurnal advection present in the ocean but not in one or both models. Additionally, the models exhibited an upward temperature trend relative to the data which caused progressively increasing stratification. This trend was used to approximate the magnitude of vertical advective effects.
Author : Patrick S. Cross
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (64 download)
Download or read book A Comparison of Modeled and Observed Ocean Mixed Layer Behavior in a Sea Breeze Influenced Coastal Region written by Patrick S. Cross and published by . This book was released on 1993 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: A high temporal resolution data set from a mooring in Monterey Bay, California was analyzed and used to calculate heat and momentum fluxes for the purpose of forcing two ocean mixed layer models. The time frame for the study was September, 1992, a period representative of the sea breeze circulation frequently affecting this and other coastal regions. The models used were that of Price, Weller and Pinkel (1986), a Richardson number based mixing model, and Garwood (1977), a model based on the turbulent kinetic energy budget within the mixed layer. Both models were analyzed with respect to their ability to reproduce the observed diurnal variation of the temperature and depth of the mixed layer. Although the model predictions agree reasonably well with observations in regards to the phase of the diurnal temperature cycle, they were seen to underpredict its magnitude, particularly the nocturnal cooling. This lack of cooling in the models relative to the ocean could be due to penetrative convection, non-steady state turbulence, and/or diurnal advection present in the ocean but not in one or both models. Additionally, the models exhibited an upward temperature trend relative to the data which caused progressively increasing stratification. This trend was used to approximate the magnitude of vertical advective effects.
Author : David M. Hone
Publisher :
ISBN 13 : 9781423580492
Total Pages : 68 pages
Book Rating : 4.5/5 (84 download)
Download or read book Time and Space Resolution and Mixed Layer Model Accuracy written by David M. Hone and published by . This book was released on 1997-03-01 with total page 68 pages. Available in PDF, EPUB and Kindle. Book excerpt: The oceanic turbulent boundary layer is a critical region to understand for oceanic and atmospheric prediction. This thesis answers two fundamental questions: (1) what is the response of the ocean mixed layer system to transient forcing at the air sea surface? (2) what is the necessary time and space resolution in an ocean mixed layer model to resolve important transient responses? Beginning with replication of de Szoeke and Rhines' work, additional physical processes were added to include more realistic viscous dissipation and anisotropy in the three-dimensional turbulent kinetic energy (TKE) budget. These refinements resulted in modification of de Szoeke and Rhines' findings. Firstly, TKE unsteadiness is important for a minimum of 10 to the 5th power seconds. Secondly, viscous dissipation should not be approximated as simply proportional to shear production. Thirdly, entrainment shear production remains significant for a minimum of one pendulum-day. The required temporal model resolution is dependent on the phenomena to be studied. This study focused on the diurnal, synoptic, and annual cycles, which the one-hour time step of the Naval Postgraduate School model adequately resolves. The study of spatial resolution showed unexpectedly that model skill was comparable for 1 m, 10 m and even 20 m vertical grid spacing.
Author : Xun Zhu
Publisher : World Scientific
ISBN 13 : 9814483559
Total Pages : 637 pages
Book Rating : 4.8/5 (144 download)
Download or read book Observation, Theory And Modeling Of Atmospheric Variability - Selected Papers Of Nanjing Institute Of Meteorology Alumni In Commemoration Of Professor Jijia Zhang written by Xun Zhu and published by World Scientific. This book was released on 2004-02-25 with total page 637 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book contains tutorial and review articles as well as specific research letters that cover a wide range of topics: (1) dynamics of atmospheric variability from both basic theory and data analysis, (2) physical and mathematical problems in climate modeling and numerical weather prediction, (3) theories of atmospheric radiative transfer and their applications in satellite remote sensing, and (4) mathematical and statistical methods. The book can be used by undergraduates or graduate students majoring in atmospheric sciences, as an introduction to various research areas; and by researchers and educators, as a general review or quick reference in their fields of interest.
Author : Gerold Wefer
Publisher : Springer Science & Business Media
ISBN 13 : 3642803539
Total Pages : 815 pages
Book Rating : 4.6/5 (428 download)
Download or read book The South Atlantic written by Gerold Wefer and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 815 pages. Available in PDF, EPUB and Kindle. Book excerpt: The book presents results of recent projects in oceanography and marine geosciences (e.g. WOCE, JGOFS, PAGES, ODP) regarding present and past circulation in the South Atlantic. The objective of the book is to integrate results from both oceanographic and geological studies. As the connecting link between the Antarctic and the North Atlantic, the South Atlantic plays a crucial role with regard to the heat budget of the North Atlantic and to the biogeochemical budget of the global ocean. New results from studies of meridional water mass and heat transports are presented. The central theme of geological investigations is the reconstruction of current and productivity systems in the South Atlantic during the late Quaternary.
Author : Aike Beckmann
Publisher : World Scientific
ISBN 13 : 1848168241
Total Pages : 342 pages
Book Rating : 4.8/5 (481 download)
Download or read book Numerical Ocean Circulation Modeling written by Aike Beckmann and published by World Scientific. This book was released on 1999-04-29 with total page 342 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book offers a comprehensive overview of the models and methods employed in the rapidly advancing field of numerical ocean circulation modeling. For those new to the field, concise reviews of the equations of oceanic motion, sub-grid-scale parameterization, and numerical approximation techniques are presented and four specific numerical models, chosen to span the range of current practice, are described in detail. For more advanced users, a suite of model test problems is developed to illustrate the differences among models, and to serve as a first stage in the quantitative evaluation of future algorithms. The extensive list of references makes this book a valuable text for both graduate students and postdoctoral researchers in the marine sciences and in related fields such as meteorology, and climate and coupled biogeochemical modeling.
Author : Roland W. Garwood (Jr)
Publisher :
ISBN 13 :
Total Pages : 81 pages
Book Rating : 4.:/5 (14 download)
Download or read book A General Model of the Ocean Mixed Layer written by Roland W. Garwood (Jr) and published by . This book was released on 1976 with total page 81 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Carlos Roberto Mechoso
Publisher : World Scientific
ISBN 13 : 9811232954
Total Pages : 203 pages
Book Rating : 4.8/5 (112 download)
Download or read book Atmosphere-ocean Modeling: Coupling And Couplers written by Carlos Roberto Mechoso and published by World Scientific. This book was released on 2021-07-27 with total page 203 pages. Available in PDF, EPUB and Kindle. Book excerpt: Coupled atmosphere-ocean models are at the core of numerical climate models. There is an extraordinarily broad class of coupled atmosphere-ocean models ranging from sets of equations that can be solved analytically to highly detailed representations of Nature requiring the most advanced computers for execution. The models are applied to subjects including the conceptual understanding of Earth's climate, predictions that support human activities in a variable climate, and projections aimed to prepare society for climate change. The present book fills a void in the current literature by presenting a basic and yet rigorous treatment of how the models of the atmosphere and the ocean are put together into a coupled system. The text of the book is divided into chapters organized according to complexity of the components that are coupled. Two full chapters are dedicated to current efforts on the development of generalist couplers and coupling methodologies all over the world.
Author : Christopher W. Fairall
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (227 download)
Download or read book A Review and Evaluation of Integrated Atmospheric Boundary-Layer Models for Maritime Applications written by Christopher W. Fairall and published by . This book was released on 1981 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: This work is an examination of the state-of-the-art of the two layer, integrated type atmospheric mixed-layer models with emphasis on applications to the marine regime. A linear synoptic scale mixed-layer microphysical scale model structure is suggested for short term (24 hour) forecasts of atmospheric variables with naval applications. Several potential deficiencies in the present knowledge are identified for physical parameterizations (particularly the entrainment rate) and the synoptic scale forcing requirements. It is concluded that these models, though promising, have not been verified for a wide range of atmospheric conditions.
Author : A. J. G. Nurser
Publisher :
ISBN 13 :
Total Pages : 247 pages
Book Rating : 4.:/5 (111 download)
Download or read book A Review of Models and Observations of the Oceanic Mixed Layer written by A. J. G. Nurser and published by . This book was released on 1996 with total page 247 pages. Available in PDF, EPUB and Kindle. Book excerpt:
