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Dissertations / Theses on the topic 'Oceanography'

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1

Buffett, Grant George. "Seismic Oceanography: A New Tool to Characterize Physical Oceanographic Structures and Processes." Doctoral thesis, Universitat de Barcelona, 2011. http://hdl.handle.net/10803/1939.

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Large scale global oceanic circulation redistributes heat and freshwater and therefore affects global climate. One of its main forcing mechanisms is, in addition to surface heat and freshwater fluxes, the diapycnal (across lines of equal density) mixing in the ocean interior. The energy needed to drive the mixing processes is mainly provided by tides and wind [Wunsch, 2002]. It is transformed into internal wave energy, cascading through a range of smaller scales leading finally into turbulence and molecular dissipation. Water masses in the ocean are stratified and often separated by relatively
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2

McGregor, J. A. "HF radar oceanography." Thesis, University of Canterbury. Physics, 1985. http://hdl.handle.net/10092/7578.

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The development of a 26MHz pulsed Doppler radar system for remote sensing of ocean surface conditions is described. This radar obtains Doppler spectra of echoes from ocean waves within the range 10-40 km from the shore. From these Doppler spectra it is possible to estimate oceanographic parameters such as sea state, wind speed, wind direction, radial components of current velocities and properties of swell. The work concentrates on the radar design principles and includes a detailed study of the effect of ground wave propagation conditions on the performance of radar systems of this type. Res
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3

Veilleux, Lorraine. "Physical oceanography of northern estuaries." Thesis, McGill University, 1990. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=59830.

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Within the context of oceanographic research on northern estuaries in James Bay and Hudson Bay, and in relation with hydroelectric developments and their impact on the physical environment, two studies were undertaken. Both concern the importance of bottom topography, tidal motion and fresh water input on the estuarine processes in these areas.<br>The first one, in Rupert Bay (south-eastern corner of James Bay), describes tidal and local wind effects on circulation and mixing patterns for summer conditions. An estimate of terms in the lateral momentum equation shows that the centrifugal accele
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4

Leathers, Robert A. "Inverse solution methods for optical oceanography /." Thesis, Connect to this title online; UW restricted, 1998. http://hdl.handle.net/1773/7066.

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5

Middleditch, Andrew. "Spectral analysis in high frequency radar oceanography." Thesis, University of Sheffield, 2006. http://etheses.whiterose.ac.uk/3590/.

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High Frequency radar systems provide a unique opportunity to measure evolving littoral oceanic dynamics at high temporal and spatial resolution. Backscattered electromagnetic signals from ocean waves are modulated by Bragg resonant scattering. A perturbation analysis yields an expression for the spectral content of radar signals which can be exploited to provide estimates of oceanographic parameters: the radial component of surface current can be extracted from the frequency locations of the first order peaks; the ocean wave directional spectrum is related to the second order continuum via a n
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6

Berry, P. J. "Applications of satellite altimetry to dynamical oceanography." Thesis, Imperial College London, 1988. http://hdl.handle.net/10044/1/46961.

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7

Sheen, Katy Louise. "Seismic oceanography : imaging the antarctic circumpolar current." Thesis, University of Cambridge, 2010. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.609132.

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8

Coleman, Dwight F. "Archaeological oceanography of inundated coastal prehistoric sites /." View online ; access limited to URI, 2003. http://0-wwwlib.umi.com.helin.uri.edu/dissertations/dlnow/3115624.

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9

Zarroug, Moundheur. "Asymptotic methods applied to some oceanography-related problems." Doctoral thesis, Stockholm : Department of Meteorology, Stockholm University, 2010. http://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-37763.

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Diss. (sammanfattning) Stockholm : Stockholms universitet, 2010.<br>At the time of the doctoral defense, the following papers were unpublished and had a status as follows: Paper 3: Manuscript. Paper 4: Manuscript.
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10

Nerger, Lars. "Parallel filter algorithms for data assimilation in oceanography." [S.l.] : [s.n.], 2004. http://deposit.ddb.de/cgi-bin/dokserv?idn=975524844.

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11

Koonprasert, Sanoe. "The Sinc-Galerkin Method for Problems in Oceanography." Thesis, Montana State University, 2003. http://etd.lib.Montana.edu/etd/2003/koonprasert/KoonprasertS_03.pdf.

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The model for a wind-driven current with depth-dependent eddy viscosity is developed as a complex velocity formulation and a coupled system formulation. The numerical solutions, calculated by a Sinc-Galerkin method, are compared. A fully Sinc-Galerkin method in both space and time for a partial differential equation with time-dependent boundary conditions is developed. This entirely new technique is applied to the model for a wind-driven current with time-dependent viscosity. Several numerical examples are used to test the performance of the method. This fully Sinc-Galerkin method is then appl
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12

Hinsley, Westley Richard. "Planktonica : a system for doing biological oceanography by computer." Thesis, Imperial College London, 2005. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.418316.

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13

Foster, Deborah Anne. "New applications of ²²⁶Ra to oceanography." Thesis, University of Oxford, 2003. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.409791.

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14

Domingues, Carla Sofia Portela. "Population genetics of C. Maenas : oceanography and larval dispersal." Doctoral thesis, Universidade de Aveiro, 2010. http://hdl.handle.net/10773/973.

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Doutoramento em Biologia<br>Decifrar a complexa interacção entre os ciclos de vida de espécies marinhas e a oceanografia revela-se fundamental para a compreensão do fluxo genético e da conectividade no meio marinho. Nas espécies marinhas com desenvolvimento indirecto o fluxo de genes entre populações depende da distância que separa as populações, bem como da interacção entre a duração do desenvolvimento larvar, do comportamento das larvas e dos padrões de circulação oceânica. A conectividade larvar influencia uma variedade de processos como a dinâmica de stocks e de populações, a distribuição
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15

Mondello, Nicholas. "Physical oceanography off the South Coast of Western Australia." Thesis, Mondello, Nicholas (2017) Physical oceanography off the South Coast of Western Australia. Honours thesis, Murdoch University, 2017. https://researchrepository.murdoch.edu.au/id/eprint/40163/.

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Compared to neighbouring regions of ocean, the south coast of Western Australia (WA) has received relatively little scientific attention despite a range of Australian Commonwealth marine protected areas having been established in the region as of 2012. The ocean off the south coast of WA is characterised by a canyon-dense continental shelf edge including the Bremer Canyon, a shelf edge canyon of approximately 8 km width. There are also two main currents in the region, the eastward flowing Leeuwin Current (LC) situated above the continental shelf edge, and the westward flowing Flinders Current
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16

Djurhuus, Anni. "Microbial oceanography of southern hemisphere seamounts and hydrothermal vents." Thesis, University of Oxford, 2015. https://ora.ox.ac.uk/objects/uuid:727fb8de-a392-4030-bc86-6390143111fd.

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Microbial biogeography is being increasingly more studied, both in terms of genetic divisions and 'ecotype' variation. This thesis investigates the regional (100-1000s km) and local (10s m) distribution and diversity of microorganisms around hydrothermal vents and seamounts at the East Scotia Ridge and the Southwest Indian Ridge. Microbial communities were characterized using Illumina dye sequencing to de- termine taxon richness and diversity and flow cytometry to obtain cell counts. In addition I investigated the physicochemical environment (nutrients, organic carbon, salinity and temperature
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17

Jarvis, Marley. "Physical Oceanography, Larval Dispersal, and Settlement Across Nearshore Fronts." Thesis, University of Oregon, 2015. http://hdl.handle.net/1794/18711.

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The larvae of coastal species interact with nearshore currents that are complex and can alter dispersal. I investigated two sites in southern Oregon with different nearshore hydrodynamics: the first site, Sunset Bay, is a small cove with a topographic front that extends across the mouth during upwelling-favorable winds. Using holey sock drogues at 1.5 m and 5.5 m depths and surface drifters at 10 cm depth, I found that, when the front was present, water at 1.5 m was retained within the bay whereas water was exchanged across the front at a depth of 5.5 m. Surface drifters indicated a surface co
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18

Goodlad, Stephen W., and Stephen W. Goodlad. "Tectonic and sedimentary history of the Mid-Natal Valley (S.W. Indian Ocean)." Doctoral thesis, University of Cape Town, 1986. http://hdl.handle.net/11427/23640.

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The Natal Valley is a sediment-filled marine basin situated between the east coast of southern Africa (Natal) and the Mozambique Ridge. Geophysical and sedimentological techniques are used in a broad geological study of the mid Natal Valley. Major emphasis is directed to: (a) basin history and tectonic evolution; (b) seismic stratigraphy of the basin fill; (c) recent sedimentary processes and responses. General basin morphology is defined by five major physiographic provinces: continental shelf and slope, Tugela Cone, Central Terrace, Mozambique Ridge and deep basin plain. Thinned (20-25 km) c
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19

Bâcle, Julie. "The physical oceanography of waters under the North Water Polynya /." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 2000. http://www.collectionscanada.ca/obj/s4/f2/dsk2/ftp03/MQ64314.pdf.

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20

Pruis, Matthew J. "Energy and volume flux into the deep ocean : examining diffuse hydrothermal systems /." Thesis, Connect to this title online; UW restricted, 2004. http://hdl.handle.net/1773/10990.

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21

Bain, Cairns Alexander Robertson. "Empirical dynamics of a small scale coastal upwelling region." Doctoral thesis, University of Cape Town, 1991. http://hdl.handle.net/11427/21855.

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The study investigates the dynamics of a small space scale (less than 10 km) coastal upwelling region at the temporal scales spanning hours to years. Three to four year time series data sets of, sea temperatures at different depths (2m, 5 m and 8,5 m) one kilometer offshore, of wind and of waves, obtained from Eskom for the Koeberg nuclear power station site study near Melkbosstrand (33° 41'S, 18° 26'E) were digitized on an hourly basis. An emphasis is placed on the study of the wind and sea temperature data, the latter being an unique data set in the South African context. The data were filte
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22

Steffen, Elizabeth Laird. "Observations of vertical and horizontal aspects of deep convection in the Labrador Sea by fully Lagrangian floats /." Thesis, Connect to this title online; UW restricted, 2003. http://hdl.handle.net/1773/11028.

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23

Dale, Andrew W. "The oceanography and modelling of the Pontevedra Ria (NW Spain)." Thesis, University of Plymouth, 2003. http://hdl.handle.net/10026.1/1966.

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A multidisciplinary study the oceanography of the Pontevedra Ria (NW Spain), including hydrography, biogeochemistiy and biogeochemical modelling, has been performed. The hydrographical variability of the Pontevedra Ria was dependent on freshwater inputs and upwelling of nutrient-rich East North Atlantic Central Water from the shelf. Intrusions of the Poleward Current were also detected during winter. A stratified box model approach predicted that upwelling water fluxes into the ria of 2-4x10³ m³ s-1, of which >30% rises to the surface waters inside the ria. Freshwater residence time varied fro
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24

Aravamudhan, Shyam. "Development of micro/nanosensor elements and packaging techniques for oceanography." [Tampa, Fla.] : University of South Florida, 2007. http://purl.fcla.edu/usf/dc/et/SFE0002219.

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25

Le, Quéré Corinne. "Physical oceanography of the Baie des Chaleurs, Gulf of St. Lawrence." Thesis, McGill University, 1992. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=56761.

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Time series of temperature and salinity from current meters moored in 1988 and 1990 along the north shore of Baie des Chaleurs were analyzed to characterize the frequency of upwelling events. Upwelling was found to propagate cyclonically with speeds of 40 to 85 km per day. Moderate correlations between $ sigma sb{ rm t}$ and zonal wind stress were found. The interaction of buoyancy, topography, and oscillating wind stress simulated the upwelling in a reduced gravity model. The dominant frequencies of the upwelling events were approximately 4.5 to 10 days.<br>Three water masses, one between the
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26

Pierce, David W. "Rotating convection and the oceanic general circulation /." Thesis, Connect to this title online; UW restricted, 1993. http://hdl.handle.net/1773/10993.

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27

Laudier, Natalie A. "Wave overtopping of a barrier beach." Thesis, Monterey, California : Naval Postgraduate School, 2009. http://edocs.nps.edu/npspubs/scholarly/theses/2009/Sep/09Sep%5FLaudier.pdf.

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Thesis (M.S. in Meteorology and Physical Oceanography)--Naval Postgraduate School, September 2009.<br>Thesis Advisor(s): MacMahan, Jamie. "September 2009." Description based on title screen as viewed on 5 November 2009. Author(s) subject terms: Overtopping, run-up, barrier, natural beach, Carmel River Beach Includes bibliographical references (p. 41-44). Also available in print.
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28

Horn, Isaac Abraham. "Remote Sensing and Data Collection in a Marine Science Application." Fogler Library, University of Maine, 2006. http://www.library.umaine.edu/theses/pdf/HornIA2006.pdf.

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29

Barnes, Brian Burnel. "The Combined Effects of Light and Temperature on Coral Bleaching| A Case Study of the Florida Reef Tract Using Satellite Data." Thesis, University of South Florida, 2014. http://pqdtopen.proquest.com/#viewpdf?dispub=3604824.

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<p> Coral reefs are greatly impacted by the physical characteristics of the water surrounding them. Incidence and severity of mass coral bleaching and mortality events are increasing worldwide due primarily to increased water temperature, but also in response to other stressors. This decline in reef health demands clearer understanding of the compounding effects of multiple stressors, as well as widespread assessment of coral reef health in near-real time.</p><p> Satellites offer a means by which some of the physical stressors on coral reefs can be measured. The synoptic spatial coverage and
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30

Bardin, Ann Marie. "Novel Analysis Tools for Ocean Biogeochemical Models." Thesis, University of California, Irvine, 2014. http://pqdtopen.proquest.com/#viewpdf?dispub=3646712.

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<p> Ocean general circulation models of the IPCC class have biases even when simulating present-day conditions, which may bring into question their predictions of future conditions. This dissertation is about tools for, and results from assessing biases in the Community Earth System Model (CESM) ocean component, by itself and when combined with the Biological Ecosystem Cycling (BEC) model. Newly developed tools and their applications are listed. 1. An offline matrix tracer transport model for the ocean component of CESM. 2. A fast Newton-Krylov implicit tracer equilibrium solver for both the a
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31

Pickett, Mark H. "Improving wind-based upwelling estimates off the west coasts of North and South America." Monterey, Calif. : Springfield, Va. : Naval Postgraduate School ; Available from National Technical Information Service, 2003. http://library.nps.navy.mil/uhtbin/hyperion-image/03Dec%5FPickett.%5FPhD.pdf.

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32

Kumar, Vijay. "Modelling the physico-biological processes of eastern Arabian sea." Thesis, IIT Delhi, 2016. http://localhost:8080/xmlui/handle/12345678/7093.

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33

Booth, Charles W. Gutsch Barbara J. "Military applications of intranet technology : Fleet Numerical Meteorology and Oceanography Center /." Monterey, Calif. : Springfield, Va. : Naval Postgraduate School ; Available from National Technical Information Service, 1997. http://handle.dtic.mil/100.2/ADA337406.

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Thesis (M.S. in Information Technology Management) Naval Postgraduate School, Sept. 1997.<br>Thesis advisors, James C. Emery, Frank L. Barrett. Includes bibliographical references (p. 145-146). Also available online.
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34

Nieves, Calatrava Verónica U. "Multiscale techniques in turbulence: application to geophysical fluids and operational oceanography." Doctoral thesis, Universitat Politècnica de Catalunya, 2008. http://hdl.handle.net/10803/21617.

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35

Syahailatua, Augy BEES UNSW. "Biological oceanography of larval fish diversity and growth off eastern Australia." Awarded by:University of New South Wales. BEES, 2005. http://handle.unsw.edu.au/1959.4/22791.

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Fish larvae in Australian waters have been studied progressively in the last 2-3 decades including the distribution and abundance of taxa, growth and age, their prey and predators. However, the effect of nutrient limitation on ichthyoplankton is unstudied, particularly in the oligotrophic Australian waters. My study was aimed to examine the effect of natural or anthropogenic nutrients on the abundance, distribution, growth and condition of fish larvae along-shore of the NSW coast (latitude 30-34S), where the East Australian Current departs the NSW coast and generates local upwelling of cool
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36

Nieves, Calatrava Veronica Ursula. "Multiscale techniques in turbulence: application to geophysical fluids and operational oceanography." Doctoral thesis, Universitat Politècnica de Catalunya, 2008. http://hdl.handle.net/10803/21617.

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37

Booth, Charles W., and Barbara J. Gutsch. "Military applications of intranet technology: Fleet Numerical Meteorology and Oceanography Center." Thesis, Monterey, California. Naval Postgraduate School, 1997. http://hdl.handle.net/10945/8677.

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Approved for public release; distribution is unlimited<br>Intranets are rapidly becoming a corporate internal information- sharing medium. Intranet technology is the same robust, proven, industry standard technology that is used on the Internet. The technical aspects of implementing the technology are simple. The organization and management aspects are significant and are key to its successful implementation. This internal use of Internet technology is easy, inexpensive, and has produced savings and benefits for corporate organizations. This thesis reviews corporate and government intranets an
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38

Addison, Victor G. "The physical oceanography of the northern Baffin Bay-Nares Strait region." Thesis, Monterey, California. Naval Postgraduate School, 1987. http://hdl.handle.net/10945/22417.

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Approved for public release; distribution is unlimited<br>A dense network of conductivity-temperature-depth measurements was conducted from Baffin Bay northward to 82 deg 09 min N at the entrance to the Lincoln Sea, in the most comprehensive physical oceanographic survey ever performed in the northern Baffin Bay-Nares Strait region. These data indicate Nares Strait Atlantic Intermediate Water and Arctic Basin Polar Water to be derived from Arctic Basin waters via the Canadian Archipelago, whereas the West Greenland Current (WGC) is the source of the comparatively dilute West Greenland Current
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39

MacTavish, Flora Pamela. "The application of adaptive mesh techniques to convective processes in oceanography." Thesis, Imperial College London, 2013. http://hdl.handle.net/10044/1/11616.

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Idealised numerical simulations of two oceanographic processes, salt finger formation and the restratification phase of open ocean deep convection, are considered. These processes are modelled using the Imperial College Ocean Model (Fluidity-ICOM). This is a finite element code with the novel capability to perform mesh adaptivity. The mesh is triangular/tetrahedral and can be unstructured. If mesh adaptivity is used, all the fields are periodically interpolated onto a new mesh that has been optimised from the previous mesh. The new mesh is designed to represent one or more of the solution fiel
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40

Reddy, Tasha Elise. "Oceanography of the Ross Sea : ocean circulation, sea ice, and phytoplankton /." May be available electronically:, 2008. http://proquest.umi.com/login?COPT=REJTPTU1MTUmSU5UPTAmVkVSPTI=&clientId=12498.

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41

Coppini, Giovanni <1974&gt. "Development of operational oceanography applications: environmental indicators and decision support systems." Doctoral thesis, Alma Mater Studiorum - Università di Bologna, 2010. http://amsdottorato.unibo.it/2996/1/Coppini_Giovanni_tesi.pdf.

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42

Coppini, Giovanni <1974&gt. "Development of operational oceanography applications: environmental indicators and decision support systems." Doctoral thesis, Alma Mater Studiorum - Università di Bologna, 2010. http://amsdottorato.unibo.it/2996/.

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43

Pearson, Ann 1971. "Biogeochemical applications of compound-specific radiocarbon analysis." Thesis, Massachusetts Institute of Technology, 1999. http://hdl.handle.net/1721.1/44599.

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Thesis (Ph.D.)--Joint Program in Oceanography (Massachusetts Institute of Technology, Dept. of Earth, Atmospheric and Planetary Sciences; and the Woods Hole Oceanographic Institution), February 2000.<br>Includes bibliographical references.<br>Compound-specific carbon isotopic (613C and A14C) data are reported for lipid biomarkers isolated from Santa Monica Basin (SMB) and Santa Barbara Basin (SBB) surface sediments. These organic compounds represent phytoplanktonic, zooplanktonic, bacterial, archaeal, terrestrial, and fossil carbon sources. The lipids include long-chain n-alkanes, fatty acids
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44

Abrahamsen, Einar Povl. "Oceanographic conditions beneath Fimbul Ice Shelf, Antarctica." Thesis, University of Southampton, 2012. https://eprints.soton.ac.uk/338914/.

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Antarctic ice shelves play a key role in the global climate system, acting as important sites for the cooling of shelf waters, thereby facilitating deep and bottom water formation. Many of the processes that take place under large ice shelves can be observed more conveniently beneath smaller ice shelves such as Fimbul Ice Shelf, an ice shelf in the eastern Weddell Sea. Fimbul Ice Shelf and nearby ice shelves might also play a significant regional role: although no bottom water is produced in this area, it is thought that Fimbul Ice Shelf and nearby ice shelves precondition the shelf waters tha
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45

Monteiro, Pedro Manuel Scheel. "The oceanography, the biogeochemistry and the fluxes of carbon dioxide in the Benguela Upwelling System." Doctoral thesis, University of Cape Town, 1996. http://hdl.handle.net/11427/18950.

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The aim of this study was to quantitatively investigate the mechanisms which drive carbon fluxes in an eastern boundary coastal upwelling system of which the Benguela is one of four comparable examples in the world. Three hypotheses describe the way the key aspects of the problem: ■ The Benguela upwelling system is, by virtue of its high primary production and sediment organic carbon accumulation rates, an important CO₂ sink. ■ The carbon export flux and the magnitude of the CO₂ sink in the Benguela System can be predicted from the C:N stoichiometry provided by the Redfield Ratio. ■ The inorga
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46

Bhushan, Vikas. "Modeling convection in the Greenland Sea." Thesis, Massachusetts Institute of Technology, 1998. http://hdl.handle.net/1721.1/58537.

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Thesis (S.M.)--Joint Program in Physical Oceanography (Massachusetts Institute of Technology, Dept. of Earth, Atmospheric, and Planetary Sciences; and the Woods Hole Oceanographic Institution), 1998.<br>Includes bibliographical references (leaves 155-161).<br>A detailed examination of the development of a deep convection event observed in the Greenland Sea in 1988-89 is carried out through a combination of modeling, scale estimates, and data analysis. We develop a prognostic one-dimensional mixed layer model which is coupled to a thermodynamic ice model. Our model contains a representation of
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47

Cherian, Deepak Abraham. "When an eddy encounters shelf-slope topography." Thesis, Massachusetts Institute of Technology, 2016. http://hdl.handle.net/1721.1/107086.

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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), 2016.<br>Cataloged from PDF version of thesis.<br>Includes bibliographical references (pages 129-135).<br>Eddies in the ocean move westwards. Those shed by western boundary currents must then interact with continental shelf-slope topography at the western boundary. The presence of other eddies and mean flows complicates this simple picture, yet satellite images show that mesoscale eddies translati
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48

Ong, Ahchuan. "Diagnostic initialization generated extremely strong thermohaline sources and sinks in the South China Sea." Thesis, Monterey, Calif. : Springfield, Va. : Naval Postgraduate School ; Available from National Technical Information Service, 2003. http://library.nps.navy.mil/uhtbin/hyperion-image/03Mar%5FOng.pdf.

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49

MacKinnon, Douglas J. "A communication link software model for Fleet Numerical Meteorology and Oceanography Center." Thesis, Monterey, Calif. : Springfield, Va. : Naval Postgraduate School ; Available from National Technical Information Service, 2000. http://handle.dtic.mil/100.2/ADA384723.

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Thesis (M.S. in Information Technology Management) Naval Postgraduate School, Dec. 2000.<br>Thesis advisor(s): Osmundson, John S. "December 2000." Includes bibliographical references (p. 29). Also available in print.
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50

Navarro-Perez, Eleuteria. "Physical oceanography of the Canary current : short term, seasonal and interannual variability." Thesis, Bangor University, 1996. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.318561.

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