Author: Steven J. Bograd
Publisher:
ISBN:
Category : Eddies
Languages : en
Pages : 240

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Author:
Publisher:
ISBN:
Category : Dissertations, Academic
Languages : en
Pages : 572

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Author: James Gary Sires
Publisher:
ISBN:
Category : Science
Languages : en
Pages : 138

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Book Description
During the Eastern Boundary Current program in 1993, 96 Argos-tracked surface drifters, drogued to 15 m depth, and satellite thermal imagery were used to provide a description of the mesoscale features in the California Current System off the northern California coast. The drifter movements and satellite images revealed a highly energetic series of filaments and eddies that dominated the summer flow field off the coast, similar to those noted in the earlier CODE, OPTOMA, and CTZ studies. Winter mesoscale activity in the region was less energetic, with the principle feature being the poleward-flowing Davidson Current. Translation rates for mesoscale eddies were deduced from drifter trajectories in the summer period. Translation rates, vorticity, divergence and eddy center positions were also estimated for a cyclone and anticylone sampled in July and September, respectively, by constraining observed drifter velocities to a linear Taylor expansion in the least square sense. Translation rates from this technique were similar to those observed from previous shipboard surveys and drifter motions. Using observations over 7 (12) days, the cyclonic (anticyclonic) eddy was determined to have a translation rate of 3.7 (4.2) cm/s to the southwest. The least square technique, applied to shorter time periods, however, provided unreliable estimates of eddy properties when drifters were not evenly distributed around the eddy.

Author: Gerold Siedler
Publisher: Academic Press
ISBN: 9780126413519
Category : Business & Economics
Languages : en
Pages : 826

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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:
Publisher:
ISBN:
Category : Marine meteorology
Languages : en
Pages : 680

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Author: Annalisa Griffa
Publisher: Cambridge University Press
ISBN: 113946308X
Category : Science
Languages : en
Pages : 479

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Written by a group of international experts in their field, this book is a review of Lagrangian observation, analysis and assimilation methods in physical and biological oceanography. This multidisciplinary text presents new results on nonlinear analysis of Lagrangian dynamics, the prediction of particle trajectories, and Lagrangian stochastic models. It includes historical information, up-to-date developments, and speculation on future developments in Lagrangian-based observations, analysis, and modeling of physical and biological systems. Containing contributions from experimentalists, theoreticians, and modelers in the fields of physical oceanography, marine biology, mathematics, and meteorology, this book will be of great interest to researchers and graduate students looking for both practical applications and information on the theory of transport and dispersion in physical systems, biological modeling, and data assimilation.

Author:
Publisher: Academic Press
ISBN: 0123918537
Category : Science
Languages : en
Pages : 893

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Book Description
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: Nikolai Maximenko
Publisher: Elsevier Inc. Chapters
ISBN: 0128058617
Category : Science
Languages : en
Pages : 30

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Book Description
This chapter summarizes the history of and recent progress in observations of surface circulation of the ocean. The description is biased toward Lagrangian drifting buoys and satellite altimetry that, in the authors’ opinion, have revolutionized our understanding of ocean surface currents by providing a high resolution, continuous global view of mesoscale ocean “weather.” We outline the current state of the observing system and characterize geostrophic surface circulation, Ekman currents, and effects of centrifugal force and nonlinear interaction between geostrophic and Ekman currents. This general description is complemented by regional examples, detailing processes in the California Current System, off Senegal, and the Kuroshio interaction with the East and South China Seas. Applications to various tasks, in which surface currents play important role, are illustrated by model simulations of motions of marine debris, including debris generated by the 2011 tsunami in Japan. The chapter concludes with a brief discussion of the next tasks needed to improve understanding of the dynamics of the surface ocean circulation.

Author: Pearn Peter Niiler
Publisher:
ISBN:
Category : Ocean currents
Languages : en
Pages : 852

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Author: World Ocean Circulation Experiment
Publisher:
ISBN:
Category : Ocean circulation
Languages : en
Pages : 68

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