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Author : J. GAN
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (77 download)
Download or read book Simulation of the South Atlantic Ocean circulation and its seasonal variability written by J. GAN and published by . This book was released on 1998 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Gerold Siedler
Publisher : Academic Press
ISBN 13 : 9780126413519
Total Pages : 826 pages
Book Rating : 4.4/5 (135 download)
Download or read book Ocean Circulation and Climate written by Gerold Siedler and published by Academic Press. This book was released on 2001-04-11 with total page 826 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents the views of leading scientists on the knowledge of the global ocean circulation following the completion of the observational phase of the World Ocean Circulation Experiment. WOCE's in situ physical and chemical measurements together with satellite altimetry have produced a data set which provides for development of ocean and coupled ocean-atmosphere circulation models used for understanding ocean and climate variability and projecting climate change. This book guides the reader through the analysis, interpretation, modelling and synthesis of this data.
Author : Artem S. Sarkisyan
Publisher : Springer Science & Business Media
ISBN 13 : 1402092083
Total Pages : 385 pages
Book Rating : 4.4/5 (2 download)
Download or read book Modelling Ocean Climate Variability written by Artem S. Sarkisyan and published by Springer Science & Business Media. This book was released on 2009-05-13 with total page 385 pages. Available in PDF, EPUB and Kindle. Book excerpt: In this wide-ranging and comprehensive review of the historical development and current status of ocean circulation models, the analysis extends from simple analytical approaches to the latest high-resolution numerical models with data assimilation. The authors, both of whom are pioneer scientists in ocean and shelf sea modelling, look back at the evolution of Western and Eastern modelling methodologies during the second half of the last century. They also present the very latest information on ocean climate modelling and offer examples for a number of oceans and shelf seas. The book includes a critical analysis of literature on ocean climate variability modelling, as well as assessing the strengths and weaknesses of the best-known modelling techniques. It also anticipates future developments in the field, focusing on models based on a synthesis of numerical simulation and field observation, and on nonlinear thermodynamic model data synthesis.
Author : Bohua Huang
Publisher :
ISBN 13 :
Total Pages : 420 pages
Book Rating : 4.:/5 (281 download)
Download or read book Numerical Simulation of the Seasonal and Interannual Variability of the Tropical Atlantic Ocean Circulation During the 1980s written by Bohua Huang and published by . This book was released on 1992 with total page 420 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Swadhin Behera
Publisher : Elsevier Inc. Chapters
ISBN 13 : 0128058641
Total Pages : 74 pages
Book Rating : 4.1/5 (28 download)
Download or read book Ocean Circulation and Climate written by Swadhin Behera and published by Elsevier Inc. Chapters. This book was released on 2013-10-22 with total page 74 pages. Available in PDF, EPUB and Kindle. Book excerpt: The tropical oceans play important roles in the global climate system through ocean transports of heat and freshwater as well as ocean–atmosphere interactions. The developments in observational networks during recent decades have helped us to quantify the strength and variability of most of the ocean general circulations responsible for the transports. Those are discussed in detail in individual sections covering each tropical basin separately with a special emphasis on recent research results. Shallow overturning cells observed in all three tropical basins as well as the deep Atlantic meridional overturning circulation are such examples that are linked to ocean and climate variations on multiple timescales. In addition, tropical ocean–atmosphere interactions associated with oceanic planetary waves cause large-scale climate variations such as El Niño/Southern Oscillation (ENSO), Indian Ocean Dipole, Atlantic Niño, and ENSO Modoki. Recent advances in numerical modeling augmented by in situ and satellite observations are helping the research community to understand ocean process and to predict associated climate variations on seasonal to longer timescales.
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 :
Publisher : Academic Press
ISBN 13 : 0123918537
Total Pages : 893 pages
Book Rating : 4.1/5 (239 download)
Download or read book Ocean Circulation and Climate written by and published by Academic Press. This book was released on 2013-10-22 with total page 893 pages. Available in PDF, EPUB and Kindle. Book excerpt: The book represents all the knowledge we currently have on ocean circulation. It presents an up-to-date summary of the state of the science relating to the role of the oceans in the physical climate system. The book is structured to guide the reader through the wide range of world ocean circulation experiment (WOCE) science in a consistent way. Cross-references between contributors have been added, and the book has a comprehensive index and unified reference list. The book is simple to read, at the undergraduate level. It was written by the best scientists in the world who have collaborated to carry out years of experiments to better understand ocean circulation. - Presents in situ and remote observations with worldwide coverage - Provides theoretical understanding of processes within the ocean and at its boundaries to other Earth System components - Allows for simulating ocean and climate processes in the past, present and future using a hierarchy of physical-biogeochemical models
Author : Ben P. Kirtman
Publisher : Elsevier Inc. Chapters
ISBN 13 : 0128058730
Total Pages : 49 pages
Book Rating : 4.1/5 (28 download)
Download or read book Ocean Circulation and Climate written by Ben P. Kirtman and published by Elsevier Inc. Chapters. This book was released on 2013-10-22 with total page 49 pages. Available in PDF, EPUB and Kindle. Book excerpt: This chapter summarizes the scientific basis for and the current status of seasonal-to-interannual prediction with particular emphasis on the role of the tropical oceans. The first part of the chapter focuses on oceanic sources of predictability in the tropical Pacific, Atlantic, and Indian Oceans. Seasonal-to-interannual predictability issues in the Northern Hemisphere extratropics are also discussed. Mechanisms that limit predictability, particularly for ENSO, are highlighted. The second part of the chapter describes the forecast quality and procedures in practice today. Finally, the concluding remarks identify some outstanding challenges.
Author : Susan Carr Bates
Publisher :
ISBN 13 :
Total Pages : 60 pages
Book Rating : 4.:/5 (318 download)
Download or read book Coupled Ocean-atmosphere Variability in the Tropical Atlantic in the Absence of an Annual Cycle written by Susan Carr Bates and published by . This book was released on 2007 with total page 60 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Lisan Yu
Publisher :
ISBN 13 :
Total Pages : 64 pages
Book Rating : 4.0/5 ( download)
Download or read book Inverse Modeling of Seasonal Variations in the North Atlantic Ocean written by Lisan Yu and published by . This book was released on 1998 with total page 64 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Cristiano Mazur Chiessi
Publisher :
ISBN 13 :
Total Pages : 98 pages
Book Rating : 4.:/5 (269 download)
Download or read book Ocean Circulation and Climate Variability in the Western South Atlantic and Eastern South America During the Last Deglaciation written by Cristiano Mazur Chiessi and published by . This book was released on 2008 with total page 98 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Anita Drumond
Publisher : Frontiers Media SA
ISBN 13 : 2889198243
Total Pages : 140 pages
Book Rating : 4.8/5 (891 download)
Download or read book Wet and Dry Periods in Regions Surrounding the Atlantic Ocean Basin written by Anita Drumond and published by Frontiers Media SA. This book was released on 2016-05-20 with total page 140 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Atlantic Ocean is the second-largest of the world's oceanic divisions. It is bounded by the continents of America, Europe and Africa and at its pole wards margins by the Arctic and the Southern Oceans. Different climatic patterns can be observed along its large latitudinal domain, which extends from the equator to sub-polar regions. Thus, different tropical and extra-tropical meteorological systems may have some influence on the characterization of precipitation regimes observed surrounding the basin, such as the Intertropical Convergence Zone (ITCZ), tropical monsoon systems, westerly storm tracks and atmospheric rivers. The subtropical regions of the Azores and South Atlantic high pressure systems are large evaporative areas which act as important moisture sources for the adjacent continents. Variations in the oceanic characteristics may influence the moisture transport towards the neighboring landmasses and alter the precipitation. The influence of climatic variability modes manifest not only over the Atlantic Ocean, but also over other oceanic regions, may also interact with the regional hydrological budget, thereby generating long periods of drought or excessive precipitation over the Atlantic rim landmasses. This Research Topic intends to highlight the advances of the scientific community in investigating the continental precipitation surrounding the Atlantic Ocean and its variability on various temporal and spatial scales.
Author : National Research Council
Publisher : National Academies Press
ISBN 13 : 0309054494
Total Pages : 645 pages
Book Rating : 4.3/5 (9 download)
Download or read book Natural Climate Variability on Decade-to-Century Time Scales written by National Research Council and published by National Academies Press. This book was released on 1996-08-30 with total page 645 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume reflects the current state of scientific knowledge about natural climate variability on decade-to-century time scales. It covers a wide range of relevant subjects, including the characteristics of the atmosphere and ocean environments as well as the methods used to describe and analyze them, such as proxy data and numerical models. They clearly demonstrate the range, persistence, and magnitude of climate variability as represented by many different indicators. Not only do natural climate variations have important socioeconomic effects, but they must be better understood before possible anthropogenic effects (from greenhouse gas emissions, for instance) can be evaluated. A topical essay introduces each of the disciplines represented, providing the nonscientist with a perspective on the field and linking the papers to the larger issues in climate research. In its conclusions section, the book evaluates progress in the different areas and makes recommendations for the direction and conduct of future climate research. This book, while consisting of technical papers, is also accessible to the interested layperson.
Author : Gavin Rex Evans
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (868 download)
Download or read book A Study of the South Atlantic Ocean written by Gavin Rex Evans and published by . This book was released on 2013 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Jinting Zhang
Publisher :
ISBN 13 :
Total Pages : 119 pages
Book Rating : 4.:/5 (936 download)
Download or read book Variability of Large-scale Ocean Circulation and Meridional Heat Transport in the Atlantic Ocean written by Jinting Zhang and published by . This book was released on 2015 with total page 119 pages. Available in PDF, EPUB and Kindle. Book excerpt: The research described in the dissertation addresses what controls the variability of ocean circulation and meridional heat transport (MHT) in the Atlantic Ocean on different timescales. Chapter 2 focuses on the contribution of surface heating and wind forcing with/without topography to the seasonal and interannual-to-decadal variations of large-scale sea surface height (SSH) using simplified models. On the seasonal timescale thermosteric height explains most of the SSH variance north of 18°N and first mode linear long Rossby wave explains the SSH between 10°N-15°N and east of Greenland. On interannual-to-decadal timescales, a topographic Sverdrup response explains interannual-to-decadal SSH between 53°N and 63°N east of Greenland, suggesting the important role of topography in the subpolar region. Farther south, the linear Rossby wave model explains SSH variations on interannual-to-decadal timescales between 30°N and 50°N from mid-basin to the eastern boundary. In Chapter 3, perturbation experiments and a 1000-year control simulation in the GFDL coupled model CM2.1 are used to investigate the evolution of the Atlantic meridional overturning circulation (AMOC) and its related upper ocean heat content (UOHC) on the decadal timescale. A slow southward propagation of positive AMOC anomaly in northern high latitudes leads to a convergence (divergence) of the Atlantic MHT anomaly in the subpolar (Gulf Stream) region, thus warming (cooling) in the subpolar (Gulf Stream) region after several years. The study presented in Chapter 4 examines the coherence structure of the interannual MHT variability in the Atlantic tropics and subtropics using seven simulations in the CMIP5 (Coupled Model Intercomparison Project Phase 5) archive as well as a hindcast simulation in the isopycnal ocean model GOLD (Generalized Ocean Layered Dynamics) from 1971 to 2009. The spatial pattern for the leading mode of the interannual MHT anomaly from all the model simulations has the same sign from 20°S-30°N, with a peak near the equator. Ekman heat transport anomalies between 7°S-20°N and the geostrophic transport beneath the Ekman layer from 13°S-27°N (except the equator) contribute to this MHT leading mode, while the contribution of the deep ocean is negligible. The connection between the hemispheres results from diapycnal transport of the northward geostrophic transport beneath the Ekman layer in the southern tropics; after this water reaches the upper ocean, it then moves northward where Ekman transport takes over. The wind is the main external forcing for the MHT coherence structure. The work in this thesis enhances the understanding of the contributions of heating, winds and topography on sea level changes on seasonal and interannual-to-decadal timescales, as well as the decadal and interannual variability of the AMOC and MHT in the Atlantic Ocean. It could be used to understand the effect of topography on the ocean circulation in the high latitude, improve the decadal prediction of the UOHC in the North Atlantic Ocean, and advance the knowledge of the tropical Atlantic heat transport and ocean-atmosphere coupling system.
Author : Alison M. Macdonald
Publisher : Elsevier Inc. Chapters
ISBN 13 : 0128058781
Total Pages : 66 pages
Book Rating : 4.1/5 (28 download)
Download or read book Ocean Circulation and Climate written by Alison M. Macdonald and published by Elsevier Inc. Chapters. This book was released on 2013-10-22 with total page 66 pages. Available in PDF, EPUB and Kindle. Book excerpt: The ability to ascertain the implications of a changing climate are based first and foremost on our understanding the fundamental balances comprising earth’s climate. The global energy budget is integral to this understanding, and the poleward transport of heat by the oceans is an intrinsic component of the energy balance. In this chapter, we look to describe what is presently known about ocean heat transport and its role in the climate system. At the end of the last century, as part of the World Ocean Circulation Experiment (WOCE) and the Joint Global Ocean Flux Study (JGOFS), the ocean-going research community completed a decade-long international effort to explore the ocean through the acquisition of a single consistent and comparable set of high-quality, full-depth observations. This global-scale field campaign was designed to determine the mean steady-state basin-scale circulation and meridional ocean heat transport. At the time, it was recognized that this mean was unlikely to be stationary. It was also understood that patterns of variability that had yet to be measured would influence our eventual understanding of these one-time “synoptic” observations. A decade later, time series of ocean heat transport (from moorings, repeat XBT and CTD lines and profiling floats), although still quite short and either spatially and/or temporally sparse, are now becoming available. The WOCE/JGOFS programs of the 1990s have been extended through large international efforts first by the Climate Variability and Predictability program and now by the Global Ocean Ship-based Hydrographic Investigations Program. Through these newly acquired time series, improvements in analysis techniques, and recent modeling advances, we are beginning to describe ocean heat transport variability and to understand its possible response to and role in climate change. In this chapter, we focus on what has been learnt about ocean heat transport through in situ observations. We include some history, a detailed description of ocean heat transport computation and decomposition, and a discussion of the present state of the science, seeking to measure ocean heat transport variability.
Author : L-L. Fu
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (131 download)
Download or read book The Circulation and Its Variability of the South Atlantic Ocean written by L-L. Fu and published by . This book was released on 1994 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
