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Dissertations / Theses on the topic 'Eddies'

Author: Grafiati

Published: 4 June 2021

Last updated: 25 July 2025

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1

Abernathey, Ryan (Ryan Patrick). "Mixing by ocean eddies." Thesis, Massachusetts Institute of Technology, 2012. http://hdl.handle.net/1721.1/70772.

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Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Earth, Atmospheric, and Planetary Sciences, 2012.<br>Cataloged from PDF version of thesis.<br>Includes bibliographical references (p. 163-175).<br>Mesoscale eddies mix and transport tracers such as heat and potential vorticity laterally in the ocean. While this transport plays an important role in the climate system, especially in the Southern Ocean, we lack a, comprehensive understanding of what sets mixing rates. This thesis seeks to advance this understanding through three related studies. First, mixing rates are diagnosed fro

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2

Cenedese, Claudia. "Baroclinic eddies over topography." Thesis, University of Cambridge, 1999. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.624104.

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3

Athanasiadis, Panos J. "Teleconnections and transient eddies." Thesis, University of Reading, 2007. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.493965.

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The subject of this thesis is the dynamics of teleconnections and mid-latitude stationary eddies, key components of the structure and variability of the extratropical general circulation. Deepening our understanding of their dynamics is of particular importance in the context of predicting and explaining possible climate changes.

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4

Haines, K. "Long-lived eddies in planetary atmospheres." Thesis, Imperial College London, 1987. http://hdl.handle.net/10044/1/38343.

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5

An, Byoung Woong. "Modelling outflows, coastal currents and eddies." Thesis, University College London (University of London), 2004. http://discovery.ucl.ac.uk/1446475/.

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Several types of flows driven by outflows on the continental shelf are examined mathematically and numerically. Within a quasigeostrophic framework, a variety of vertical structures and topographies are used. Features are explained in terms of potential vorticity conservation. The combined effects of topography and anomalous vorticity of the outflow are studied. First, shelf-like topography is considered. The role of topographic wave radiation is studied using the linearised barotropic potential vorticity equation for a weak outflow with zero vorticity. Contour dynamics is used for stronger ou

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6

Burns, Helen. "Diabatic eddies in idealised channel models." Thesis, University of Southampton, 2018. https://eprints.soton.ac.uk/424757/.

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The Southern Ocean is a unique and climatically important region where mesoscale eddies are of first order importance. The circulation of the Southern Ocean controls the amount of carbon stored in the ocean and is an integral part of the worlds global overturning circulation. It is therefore of great importance to understand the dynamics of the Southern Ocean and the possible response of the overturning circulation to changing forcing i.e. climate change. Because of the role eddies play in setting that circulation, the dynamics are still not fully understood. This thesis explores one poorly un

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7

Hall, C. "Cyclonic Eddies in the Cape Basin." Master's thesis, University of Cape Town, 2008. http://hdl.handle.net/11427/6586.

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A great deal of attention has been paid to the inter-ocean exchange of thermohalineproperties in the Agulhas Retroflection region. Recent observations have shown thatthe highly energetic field of the southern half of the Cape Basin consists of bothcyclonic and anticyclonic eddies. These eddies interact with each other, resulting inthe vigorous stirring of these water mass. Investigations have shown that the cycloniceddies tend to be smaller and outnumber the anticyclonic rings. Nonetheless, verylittle is known of their characteristics and the nature in which they are formed. Usingremote sensin

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8

Ring, Michael J. 1979. "The role of eddies in buoyancy flux." Thesis, Massachusetts Institute of Technology, 2001. http://hdl.handle.net/1721.1/114316.

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Thesis: S.B., Massachusetts Institute of Technology, Department of Earth, Atmospheric, and Planetary Sciences, 2001.<br>Thesis: S.B., Massachusetts Institute of Technology, Department of Physics, 2001.<br>Cataloged from PDF version of thesis.<br>Includes bibliographical references (page 35).<br>This thesis explores the role of eddies in determining the stratification of the ocean through a laboratory experiment. The experiment uses a dual-tank apparatus, with a smaller tank sitting inside the larger tank. Both tanks sit on a rotating turntable, which simulates the rotation of Earth. During the

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9

Lewis, Stephen Richard. "Long-lived eddies in the atmosphere of Jupiter." Thesis, University of Oxford, 1988. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.329956.

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10

Miltenberger, Alexander Reid. "The effects of ocean eddies on tropical cyclones." Thesis, Massachusetts Institute of Technology, 2012. http://hdl.handle.net/1721.1/78538.

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Thesis (S.M.)--Joint Program in Oceanography/Applied Ocean Science and Engineering (Massachusetts Institute of Technology, Dept. of Earth, Atmospheric, and Planetary Sciences; and the Woods Hole Oceanographic Institution), 2012.<br>Cataloged from PDF version of thesis.<br>Includes bibliographical references (p. 40-41).<br>The purpose of this study is to understand the interactions of tropical cyclones with ocean eddies. In particular we examine the influence of a cold-core eddy on the cold wake formed during the passage of Typhoon Fanapi (2010). The three-dimensional version of the numerical P

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11

Jordan, Stephen Arthur. "The large-eddy simulation of incompressible flows in simple and complex geometries." Diss., This resource online, 1994. http://scholar.lib.vt.edu/theses/available/etd-10022007-145351/.

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12

Doddi, Sai Kumar. "Validation of detached eddy simulation using LESTool for homogenous turbulence." Lexington, Ky. : [University of Kentucky Libraries], 2004. http://lib.uky.edu/ETD/ukymeen2004t00143/Sai%5FThesis.pdf.

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Thesis (M.S.)--University of Kentucky, 2004.<br>Title from document title page (viewed June 21, 2004). Document formatted into pages; contains xii, 117 p. : ill. Includes abstract and vita. Includes bibliographical references (p. 113-116).

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13

Carpenter, Glen H. "Surface circulation associated with the Mindanao and Halmahera Eddies." Thesis, Monterey, California. Naval Postgraduate School, 1989. http://hdl.handle.net/10945/27297.

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14

Adcock, Susan T. "A parameterisation of geostrophic eddies over variable bottom topography." Thesis, University of Reading, 1999. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.314318.

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15

Gunn, Kathryn Louise. "Time-lapse acoustic imaging of oceanic fronts and eddies." Thesis, University of Cambridge, 2019. https://www.repository.cam.ac.uk/handle/1810/284560.

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Seismic reflection surveying is used to generate acoustic images of the water column. This technique employs conventional multi-channel equipment which is used to image the solid Earth. In the water column, acoustic impedance contrasts are produced by variations in temperature and, to some extent, salinity. Acoustic impulses generated by an array of airguns suspended behind a vessel are reflected from these contrasts and recorded on long cables of hydrophones that are towed below the sea-surface. In this way, two- and three-dimensional images of thermohaline circulation can be generated. Criti

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16

O'Reilly, Bevan James. "Phytoplankton associated with mesoscale eddies in the Mozambique Channel." Thesis, Nelson Mandela Metropolitan University, 2012. http://hdl.handle.net/10948/d1010967.

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The study undertaken was an attempt to provide information on the effect that oceanographic features common in the Mozambique Channel have on primary production. Oligotrophic conditions dominated the Mozambique Channel at the time of sampling and the introduction of nutrients into the euphotic zone by upwelling processes were identified as cyclonic eddies. Differences in physico-chemical variables between surface and F-max across all sites proved to be stronger than the physico-chemical variables between 4 grouped oceanographic features. This was revealed by stronger variations in phytoplankto

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17

Halo, Issufo F. M. "The Mozambique Channel eddies : characteristics and mechanisms of formation." Doctoral thesis, University of Cape Town, 2012. http://hdl.handle.net/11427/6477.

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Includes abstract.<br>Includes bibliographical references.<br>The model outputs and the satellite data have shown a number of cyclonic and anticyclonic eddies being generated within the Mozambique Channel. The eddies were identified using a newly designed eddy detection algorithm. The algorithm has shown that cyclonic eddies appeared to be more ubiquitous than the anticyclonic and had a single mode sizedistribution. On the other hand, the anticyclonic eddies seemed to have a favorite site for their formation, and have shown a bi-modal size-distribution.

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18

Pannala, Sreekanth. "On large eddy simulations of reacting two-phase flows." Diss., Georgia Institute of Technology, 2000. http://hdl.handle.net/1853/11978.

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19

Zhou, Long. "Mesoscale variability and Lagrangian statistics in the tropical North Atlantic /." View online ; access limited to URI, 2009. http://digitalcommons.uri.edu/dissertations/AAI3401129.

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20

De, Bruyn Kops Stephen M. "Numerical simulation of non-premixed turbulent combustion /." Thesis, Connect to this title online; UW restricted, 1999. http://hdl.handle.net/1773/7140.

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21

Lilly, Jonathan M. "Observations of the Labrador Sea eddy field /." Thesis, Connect to this title online; UW restricted, 2002. http://hdl.handle.net/1773/11041.

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22

Bulhoes, de Morais Cesar Reinert. "On the Evolution of Cyclonic Eddies along the Florida Keys." Scholarly Repository, 2010. http://scholarlyrepository.miami.edu/oa_theses/70.

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Cyclonic oceanic vortices (eddies) ranging from ~10 to 150km in diameter that travel along the Florida Keys are investigated. This study employs hydrodynamic parameters from simulations in a high-resolution (~900m horizontally), three-dimensional (26 vertical levels) HYbrid Coordinates Ocean Model regional application to study coastal to offshore interactions along the Florida Keys. These parameters are compared qualitatively to observations from Chlorophyll-a Satellite (SEAWiFs) and HF Radar (WERA). Further, eddy characteristics along the Florida Keys are determined using the Okubo-Weiss para

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23

Jaimes, Benjamin. "On the Response to Tropical Cyclones in Mesoscale Oceanic Eddies." Scholarly Repository, 2009. http://scholarlyrepository.miami.edu/oa_dissertations/342.

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Tropical cyclones (TCs) often change intensity as they move over mesoscale oceanic features, as a function of the oceanic mixed layer (OML) thermal response (cooling) to the storm's wind stress. For example, observational evidence indicates that TCs in the Gulf of Mexico rapidly weaken over cyclonic cold core eddies (CCEs) where the cooling response is enhanced, and they rapidly intensify over anticyclonic warm features such as the Loop Current (LC) and Warm Core Eddies (WCEs) where OML cooling is reduced. Understanding this contrasting thermal response has important implications for oceanic f

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24

Roberts, Malcolm. "Investigation of the role of ocean eddies and their parameterization." Thesis, University of Reading, 1998. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.389514.

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25

Arbic, Brian K. "Generation of mid-ocean eddies : the local baroclinic instability hypothesis." Thesis, Massachusetts Institute of Technology, 2000. http://hdl.handle.net/1721.1/53047.

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Thesis (Ph.D.)--Joint Program in Physical Oceanography (Massachusetts Institute of Technology, Dept. of Earth, Atmospheric, and Planetary Sciences and the Woods Hole Oceanographic Institution), 2000.<br>Includes bibliographical references (p. 284-290).<br>by Brian Kenneth Arbic.<br>Ph.D.

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26

Pankratov, Kirill Konstantinovich. "Influence of topography on the dynamics of baroclinic oceanic eddies." Thesis, Massachusetts Institute of Technology, 1994. http://hdl.handle.net/1721.1/55020.

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Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Earth, Atmospheric, and Planetary Sciences, 1994.<br>Includes bibliographical references (leaves 187-190).<br>by Kirill Konstantinovich Pankratov.<br>Ph.D.

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27

PeÌrez, PeÌrez Edgar. "Heat transport by baroclinic eddies : evaluating eddy parameterizations for numerical models." Thesis, University of Oxford, 2006. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.442945.

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28

Buck, Justin James Henry. "Eddies and instabilities in downslope flows in the Weddell Sea, Antarctica." Thesis, University of Manchester, 2009. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.507219.

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The Weddell Sea, Antarctica is a significant area of down welling water in the world large scale ocean circulation. When water descends a slope it is subject to instabilities forming mesoscale features such as eddies in the plume. This thesis is a study of the source of the plume of Ice Shelf Water (ISW) that flows down the Filchner Slope and the downslope flow via the Ronne Depression into the cavity beneath the Ronne Ice Shelf. Oceanographic observations and laboratory experiments simulating the influence of an ice shelf on such a flow are used in this study. The oceanographic data sets used

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29

Wilson, Christopher. "The role of mesoscale eddies and its representation in numerical models." Thesis, University of Liverpool, 2001. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.484268.

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30

Tielking, Terrance A. "Wind forcing of eddies and jets in the California current system." Thesis, Monterey, California. Naval Postgraduate School, 1988. http://hdl.handle.net/10945/23147.

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31

Williams, R. G. "The influence of air-sea interaction on ocean synoptic-scale eddies." Thesis, University of East Anglia, 1987. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.377713.

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32

Mackenzie, Beverley Anne. "On the primary productivity potential for Lagrangian particles in mesoscale eddies." Thesis, University of Liverpool, 2002. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.272743.

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33

Sinha, Bablu. "The influence of mesoscale eddies and topography on southern ocean flow." Thesis, University of Southampton, 1993. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.239650.

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34

Fox-Kemper, Baylor 1973. "Eddies and friction : removal of vorticity from the wind-driven gyre." Thesis, Massachusetts Institute of Technology, 2003. http://hdl.handle.net/1721.1/39405.

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Thesis (Ph. D.)--Joint Program in Oceanography/Applied Ocean Science and Engineering (Massachusetts Institute of Technology, Dept. of Earth, Atmospheric, and Planetary Sciences and the Woods Hole Oceanographic Institution), 2003.<br>This electronic version was submitted by the student author. The certified thesis is available in the Institute Archives and Special Collections.<br>Includes bibliographical references (p. 299-310).<br>Inertial terms dominate the single-gyre ocean model and prevent western-intensification when the viscosity is small. This occurs long before the oceanically-appropr

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35

Zhou, Shuyntai. "The role of large-scale atmospheric eddies in the climate equilibrium." Thesis, Massachusetts Institute of Technology, 1991. http://hdl.handle.net/1721.1/17291.

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36

Doddridge, Edward. "Influence of eddies on vertical transport and nutrients in subtropical gyres." Thesis, University of Oxford, 2016. https://ora.ox.ac.uk/objects/uuid:9ca650eb-fa96-4807-ba78-44b838484334.

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The presence of large-scale Ekman pumping associated with the climatological wind-stress curl is the textbook explanation for low biological activity in the subtropical gyres. Using an idealised model it is shown that Eulerian-mean Ekman pumping may be opposed by an eddy-driven circulation, analogous to the way in which the atmospheric Ferrel cell and the Southern Ocean Deacon cell are opposed by eddy-driven circulations. Potential vorticity fluxes, Lagrangian particle tracking, and depth-density streamfunctions are used to show that, in the model, the rectified effect of eddies acts to largel

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37

Wardle, Richard M. "Representation of eddies in climate models by a potential vorticity flux." Thesis, Massachusetts Institute of Technology, 1999. http://hdl.handle.net/1721.1/58540.

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Thesis (Ph. D.)--Joint Program in Physical Oceanography (Massachusetts Institute of Technology, Dept. of Earth, Atmospheric, and Planetary Sciences; and the Woods Hole Oceanographic Institution), February 1999.<br>Includes bibliographical references (p. 170-177).<br>This thesis addresses the parameterization of the heat and momentum transporting properties of eddy motions for use in three-dimensional, primitive equation, z-coordinate atmosphere and ocean models. Determining the transport characteristics of these eddies is fundamental to understanding their effect on the large-scale ocean circu

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38

Chien, Yu-Tang. "Change in the Leading Mode of North America's Wintertime Stationary Eddies." DigitalCommons@USU, 2019. https://digitalcommons.usu.edu/etd/7587.

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Extreme winter weather events in North America have become more frequent and increasingly destructive. This phenomenon was linked to a jet stream pattern that generates abnormally warm conditions in the west and cold conditions in the east, referred to as the North American Winter Dipole. Studies have shown that the Dipole may have amplified and this amplification could be linked to global warming. By analyzing the atmospheric and oceanic data worldwide, the wintertime circulation in the Northern Hemisphere shows signs of a persistent change after the 1980s. In the first part of this study, we

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39

Badin, Gualtiero. "Are eddies important in the coastal ocean? : a North Sea case study." Thesis, University of Liverpool, 2007. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.440765.

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40

Hopkins, Alicia A. "Sensitivity of bottom topography on the dynamics and sound speed structure in the Northern Canary Current System." Thesis, Monterey, Calif. : Naval Postgraduate School, 2006. http://bosun.nps.edu/uhtbin/hyperion.exe/06Dec%5FHopkins.pdf.

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Thesis (M.S. in Meterology and Physical Oceanography)--Naval Postgraduate School, December 2006.<br>Thesis Advisor(s): Mary L. Batteen. "December 2006." Includes bibliographical references (p. 101-105). Also available in print.

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41

Combes, Vincent Emmanuel. "Intrinsic and Forced Interannual Variability of the Gulf of Alaska Mesoscale Circulation." Thesis, Georgia Institute of Technology, 2007. http://hdl.handle.net/1853/14532.

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The response of the Gulf of Alaska (GOA) circulation to large-scale North Pacific climate variability is explored using three high resolution (15 km) regional ocean model ensembles over the period 1950-2004. On interannual and decadal timescales the mean circulation is strongly modulated by changes in the large scale climate forcing associated with PDO and ENSO. Intensification of the model gyre scale circulation occurs after the 1976-1977 climate shift, as well as during 1965-1970 and 1993-1995. From the model dynamical budgets we find that when the GOA experiences stronger southeasterly wind

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42

Eden, Bethany Rose. "Zooplankton Community Structure in a Cyclonic and Mode-Water Eddy in the Sargasso Sea." W&M ScholarWorks, 2008. http://www.vims.edu/library/Theses/Eden08.pdf.

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43

Baker-Yeboah, Sheekela. "Sea surface height variability and the structure of eddies in the South Atlantic Cape Basin /." View online ; access limited to URI, 2008. http://0-digitalcommons.uri.edu.helin.uri.edu/dissertations/AAI3314440.

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44

Chen, Shuiming. "Vertical structure of mesoscale ocean currents in the Indian Ocean observation, numerical modeling and theory /." Thesis, University of Hawaii at Manoa, 2003. http://proquest.umi.com/pqdweb?index=0&did=765960941&SrchMode=2&sid=8&Fmt=2&VInst=PROD&VType=PQD&RQT=309&VName=PQD&TS=1209408688&clientId=23440.

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45

Yin, Jeffrey Hiapo. "The peculiar behavior of baroclinic waves during the midwinter suppression of the Pacific storm track /." Thesis, Connect to this title online; UW restricted, 2002. http://hdl.handle.net/1773/10043.

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46

Zidikheri, Meelis Juma. "Dynamical subgrid-scale parameterizations for quasigeostrophic flows using direct numerical simulations /." View thesis entry in Australian Digital Theses, 2007. http://thesis.anu.edu.au/public/adt-ANU20090108.112027/index.html.

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47

Lo, Piccolo Anna. "Arctic ocean submesoscale brine driven eddies: modeling of a sea ice edge front." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2021.

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Characteristic features of the wintertime Arctic Ocean are narrow and elongated fractures in the sea ice cover, up to hundreds of kilometers long and up to tens of kilometers wide, called leads. Leads expose the ocean to the cold atmosphere, establishing air-sea heat fluxes which freeze the oceanic surface. During new sea ice formation, dense and salt-enriched plumes of brine are rejected into the oceanic mixed-layer. Due to brine rejection, lateral density gradients appear at sea ice edges, creating fronts. Fronts store potential energy and are subjected to gravitational overturning. The effe

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48

Yu, Wei. "On the interactions between the atmospheric seasonal mean flow and the transient eddies." Thesis, McGill University, 1990. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=60457.

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Our study is concerned with the winter climatology over the Northern Hemisphere for the years 1980 to 1986.<br>The local E-P flux divergence is divided into barotropic and baroclinic components. The 300 mb level is chosen to represent the upper troposphere. The three dominant convergence centres of the baroclinic component are found on the east coast of Asia, near the eastern Pacific and on the east coast of North America. In most areas the barotropic component of the eddy forcing accelerates the mean flow. Near the dateline the barotropic and baroclinic components of the eddy forcing tend to

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49

de, Giovanetti Matteo. "Attached eddies in wall-bounded turbulent flows : streak instability and skin-friction generation." Thesis, Imperial College London, 2018. http://hdl.handle.net/10044/1/63818.

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The goal of this study is to answer some lingering questions that pertain the nature of wall-bounded turbulent flows. Building on the ‘attached-eddy’ hypothesis first proposed by A.A. Townsend, the main aim is to better understand the mechanisms governing their behaviour. In order to do so, several numerical experiments are performed in a turbulent channel flow. First, we seek for a better description of the mechanism behind the generation of the vortical structures: a body forcing is introduced in the flow to drive an amplified streak, and this process is carried out for several different str

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50

Brett, Genevieve Elizabeth. "Chaotic advection, mixing, and property exchange in three-dimensional ocean eddies and gyres." Thesis, Massachusetts Institute of Technology, 2018. http://hdl.handle.net/1721.1/117913.

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Thesis: Ph. D., Joint Program in Physical Oceanography (Massachusetts Institute of Technology, Department of Earth, Atmospheric, and Planetary Sciences; and the Woods Hole Oceanographic Institution), 2018.<br>Cataloged from PDF version of thesis.<br>Includes bibliographical references (pages 259-268).<br>This work investigates how a Lagrangian perspective applies to models of two oceanographic flows: an overturning submesoscale eddy and the Western Alboran Gyre. In the first case, I focus on the importance of diffusion as compared to chaotic advection for tracers in this system. Three methods

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