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Dissertations / Theses on the topic 'Oceanographic instruments. Oceanography Ocean engineering'

Author: Grafiati
Published: 4 June 2021
Last updated: 1 February 2022

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1

Michel, Anna Pauline Miranda 1976. "Laboratory evaluation of laser-induced breakdown spectroscopy (LIBS) as a new in situ chemical sensing technique for the deep ocean." Thesis, Massachusetts Institute of Technology, 2007. http://hdl.handle.net/1721.1/42296.

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Thesis (Ph. D.)--Joint Program in Oceanography/Applied Ocean Science and Engineering (Massachusetts Institute of Technology, Dept. of Mechanical Engineering; and the Woods Hole Oceanographic Institution), 2007.<br>Includes bibliographical references.<br>Present-day expeditionary oceanography is beginning to shift from a focus on short-term ship and submersible deployments to an ocean observatory mode where long-term temporally-focused studies are feasible. As a result, a critical need for in situ chemical sensors is evolving. New sensors take a significant amount of time to develop; thus, the
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2

Reed, Brooks Louis-Kiguchi. "Multiple-vehicle resource-constrained navigation in the deep ocean." Thesis, Massachusetts Institute of Technology, 2011. http://hdl.handle.net/1721.1/68997.

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Thesis (S.M.)--Joint Program in Applied Ocean Science and Engineering (Massachusetts Institute of Technology, Dept. of Mechanical Engineering; and the Woods Hole Oceanographic Institution), 2011.<br>This electronic version was submitted by the student author. The certified thesis is available in the Institute Archives and Special Collections.<br>Cataloged from student submitted PDF version of thesis.<br>Includes bibliographical references (p. 139-148).<br>This thesis discusses sensor management methods for multiple-vehicle fleets of autonomous underwater vehicles, which will allow for more ef
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3

Haven, Scott. "Measuring surface ocean wave height and directional spectra using an Acoustic Doppler Current Profiler from an autonomous underwater vehicle." Thesis, Massachusetts Institute of Technology, 2012. http://hdl.handle.net/1721.1/78181.

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Thesis (S.M.)--Joint Program in Applied Ocean Science and Engineering (Massachusetts Institute of Technology, Dept. of Mechanical Engineering; and the Woods Hole Oceanographic Institution), 2012.<br>Cataloged from PDF version of thesis.<br>Includes bibliographical references (p. 117-119).<br>The Acoustic Doppler Current Profiler (ADCP) is a proven technology which is capable of measuring surface wave height and directional information, however it is generally limited to rigid, bottom mounted applications which limit its capabilities for measuring deep water waves. By employing an upward lookin
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Fincke, Jonathan Randall. "Quantification of the spatial and temporal evolution of stratified shear instabilities at high Reynolds number using quantitative acoustic scattering techniques." Thesis, Massachusetts Institute of Technology, 2015. http://hdl.handle.net/1721.1/97855.

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Thesis: S.M., Joint Program in Oceanography/Applied Ocean Science and Engineering (Massachusetts Institute of Technology, Department of Mechanical Engineering; and the Woods Hole Oceanographic Institution), 2015.<br>Cataloged from PDF version of thesis.<br>Includes bibliographical references (pages 54-56).<br>The spatial and temporal evolution of stratified shear instabilities is quantified in a highly stratified and energetic estuary. The measurements are made using high-resolution acoustic backscatter from an array composed of six calibrated broadband transducers connected to a six-channel h
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5

Lewis, Matthew Robert S. M. Massachusetts Institute of Technology. "Evaluation of vector sensors for adaptive equalization in underwater acoustic communication." Thesis, Massachusetts Institute of Technology, 2014. http://hdl.handle.net/1721.1/93793.

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Thesis: S.M., Joint Program in Applied Ocean Science and Engineering (Massachusetts Institute of Technology, Department of Mechanical Engineering; and the Woods Hole Oceanographic Institution), 2014.<br>Cataloged from PDF version of thesis.<br>Includes bibliographical references (pages 123-125).<br>Underwater acoustic communication is an extremely complex field that faces many challenges due to the time-varying nature of the ocean environment. Vector sensors are a proven technology that when utilizing their directional sensing capabilities allows us to minimize the effect of interfering noise
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Lambert, Bennett S. (Bennett Spencer). "Observing microbial processes at the microscale with In Situ technology." Thesis, Massachusetts Institute of Technology, 2019. https://hdl.handle.net/1721.1/122326.

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Thesis: Thesis (Ph. D.)--Joint Program in Applied Ocean Science and Engineering (Massachusetts Institute of Technology, Department of Civil and Environmental Engineering; and the Woods Hole Oceanographic Institution), 2019<br>Cataloged from PDF version of thesis.<br>Includes bibliographical references (pages 126-137).<br>Although seawater appears uniform at scales that humans often interact with and sample, the world that marine microbes inhabit can be highly heterogeneous, with numerous biological and physical processes giving rise to resource hotspots where nutrient concentrations exceed bac
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Barry, Brendan(Brendan Cael). "Distributional models of ocean carbon export." Thesis, Massachusetts Institute of Technology, 2019. https://hdl.handle.net/1721.1/122321.

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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), 2019<br>Cataloged from PDF version of thesis.<br>Includes bibliographical references (pages 137-153).<br>Each year, surface ocean ecosystems export sinking particles containing gigatons of carbon into the ocean's interior. This particle flux connects the entire ocean microbiome and constitutes a fundamental aspect of marine microbial ecology and biogeochemical cycles. Particle flux is also variabl
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8

Ogilvie, Iain R. G. "Novel fabrication techniques for microfluidic based in-situ oceanographic nutrient sensors." Thesis, University of Southampton, 2012. https://eprints.soton.ac.uk/342947/.

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This work presents an investigation into the production of components for in-situ oceanographic nutrient sensors. These devices are based on a micro fluidic chip platform, taking the lab-on-a-chip (LOC) system concept out of the laboratory and into a real world environment. The systems are designed to provide data on nutrient concentrations in the ocean and as such are built from robust low cost materials designed for deployments from 24 hours to 3 months. This report focuses on the challenges faced in designing a micro fluidic system for these harsh deployment situations including a study of
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9

Kalmikov, Alexander G. "Uncertainty Quantification in ocean state estimation." Thesis, Massachusetts Institute of Technology, 2013. http://hdl.handle.net/1721.1/79291.

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Thesis (Ph. D.)--Joint Program in Oceanography/Applied Ocean Science and Engineering (Massachusetts Institute of Technology, Dept. of Mechanical Engineering; and the Woods Hole Oceanographic Institution), 2013.<br>Cataloged from PDF version of thesis.<br>Includes bibliographical references (p. 158-160).<br>Quantifying uncertainty and error bounds is a key outstanding challenge in ocean state estimation and climate research. It is particularly difficult due to the large dimensionality of this nonlinear estimation problem and the number of uncertain variables involved. The "Estimating the Circul
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Petillo, Stephanie Marie. "Autonomous & adaptive oceanographic feature tracking on board autonomous underwater vehicles." Thesis, Massachusetts Institute of Technology, 2015. http://hdl.handle.net/1721.1/97772.

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Thesis: Ph. D., Joint Program in Oceanography/Applied Ocean Science and Engineering (Massachusetts Institute of Technology, Department of Mechanical Engineering; and the Woods Hole Oceanographic Institution), 2015.<br>This electronic version was submitted by the student author. The certified thesis is available in the Institute Archives and Special Collections.<br>Cataloged from student-submitted PDF version of thesis. Vita.<br>Includes bibliographical references (pages 203-213).<br>The capabilities of autonomous underwater vehicles (AUVs) and their ability to perform tasks both autonomously
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11

Henry, Legena Albertha. "A study of ocean wave statistical properties using nonlinear, directional, phase-resolved ocean wave-field simulations." Thesis, Massachusetts Institute of Technology, 2009. http://hdl.handle.net/1912/3230.

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Thesis (S.M.)--Joint Program in Oceanography/Applied Ocean Science and Engineering (Massachusetts Institute of Technology, Dept. of Mechanical Engineering; and the Woods Hole Oceanographic Institution), February 2010.<br>Cataloged from PDF version of thesis.<br>Includes bibliographical references (p. 327-334).<br>In the present work, we study the statistics of wavefields obtained from non-linear phase-resolved simulations. The numerical model used to generate the waves models wave-wave interactions based on the fully non-linear Zakharov equations. We vary the simulated wavefield's input spectr
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12

Oschmann, Lynn A. "Global isotopic signatures of oceanic island basalts." Thesis, Monterey, California. Naval Postgraduate School, 1991. http://hdl.handle.net/10945/25968.

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13

Griffith, David R. (David Richmond). "Natural and synthetic estrogens in wastewater treatment plant effuent and the coastal ocean." Thesis, Massachusetts Institute of Technology, 2013. http://hdl.handle.net/1721.1/85824.

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Thesis: Ph. D., Joint Program in Oceanography/Applied Ocean Science and Engineering (Massachusetts Institute of Technology, Department of Civil and Environmental Engineering; and the Woods Hole Oceanographic Institution), 2013.<br>Pages 181 and 182 blank. Cataloged from PDF version of thesis.<br>Includes bibliographical references.<br>Steroidal estrogens are potent endocrine disrupting chemicals that are naturally excreted by vertebrates (e.g., humans and fish) and can enter natural waters through the discharge of treated and raw sewage. Because estrogens are detrimental to aquatic organisms a
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14

Berg, Allison M. (Allison May). "The feasibility of sodar wind profile measurements from an oceanographic buoy." Thesis, Massachusetts Institute of Technology, 2006. http://hdl.handle.net/1721.1/38510.

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Thesis (S.M.)--Joint Program in Oceanography/Applied Ocean Science and Engineering (Massachusetts Institute of Technology, Dept. of Mechanical Engineering; and the Woods Hole Oceanographic Institution), 2006.<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 (leaf 75).<br>This thesis explores the feasibility of making wind speed profile measurements from an oceanographic buoy using a Doppler sodar. In the fall of 2005, we deployed a Scintec SFAS sodar on an
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15

Lee, Jong-Mi Ph D. Massachusetts Institute of Technology. "Evolution of Anthropogenic Pb and Pb isotopes in the deep North Atlantic Ocean and the Indian Ocean." Thesis, Massachusetts Institute of Technology, 2013. http://hdl.handle.net/1721.1/82318.

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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), 2013.<br>Cataloged from PDF version of thesis.<br>Includes bibliographical references.<br>Pb and Pb isotopes in the ocean have varied on decadal to centennial time scales due to anthropogenic Pb inputs. Thus, tracing the temporal variation of Pb and Pb isotopes in the ocean provides information on the major sources of Pb and the transport of Pb from sources to the ocean su
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Kida, Shinichiro. "Overflows and upper ocean interactions : a mechanism for the Azores current." Thesis, Massachusetts Institute of Technology, 2006. http://hdl.handle.net/1721.1/37855.

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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), 2006.<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. 155-162).<br>The oceanic response to overflows is explored using a two-layer isopycnal model. Overflows are a major source of the dense water of the global deep ocean, originat
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Roe, Stephen Michael. "Numerical and experimental analysis of initial water impact of an air-dropped REMUS AUV." Thesis, Massachusetts Institute of Technology, 2005. http://hdl.handle.net/1721.1/39171.

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Thesis (S.M.)--Joint Program in Oceanography/Applied Ocean Science and Engineering (Massachusetts Institute of Technology, Dept. of Ocean Engineering; and the Woods Hole Oceanographic Institution), 2005.<br>Includes bibliographical references (leaves 78-79).<br>The initial water impact of a free-falling object is primarily related to the fluid forces on the wetted surface of the object. The shape-dependent added-mass coefficients express the fluid forces integrated over the body, and thus physically represent the additional inertia of water accelerated with the body. The field of hydrodynamic
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18

Xu, Jinshan. "Effects of internal waves on low frequency, long range, acoustic propagation in the deep ocean." Thesis, Massachusetts Institute of Technology, 2007. http://hdl.handle.net/1721.1/42295.

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Thesis (Ph. D.)--Joint Program in Oceanography/Applied Ocean Science and Engineering (Massachusetts Institute of Technology, Dept. of Mechanical Engineering; and the Woods Hole Oceanographic Institution), 2007.<br>Includes bibliographical references (p. 183-191).<br>This thesis covers a comprehensive analysis of long-range, deep-ocean, low-frequency, sound propagation experimental results obtained from the North Pacific Ocean. The statistics of acoustic fields after propagation through internal-wave-induced sound-speed fluctuations are explored experimentally and theoretically. The thesis star
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Poulton, Nicole Jane 1970. "Physiological and behavioral diagnostics of nitrogen limitation for the toxic dinoflagellate Alexandrium fundyense." Thesis, Massachusetts Institute of Technology, 2000. http://hdl.handle.net/1721.1/91509.

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Thesis (Ph. D.)--Joint Program in Biological Oceanography (Massachusetts Institute of Technology, Dept. of Ocean Engineering; and the Woods Hole Oceanographic Institution), February 2001.<br>Includes bibliographical references.<br>by Nicole Jane Poulton.<br>Ph.D.
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Boissonneault, Katie Rose 1973. "Gene discovery and expression profiling in the toxin-producing marine diatom, Pseudo-nitzschia multiseries (Hasle) Hasle." Thesis, Massachusetts Institute of Technology, 2004. http://hdl.handle.net/1721.1/39415.

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Thesis (Ph. D.)--Joint Program in Biological Oceanography (Massachusetts Institute of Technology, Dept. of Ocean Engineering; and, the Woods Hole Oceanographic Institution), 2004.<br>Includes bibliographical references (leaves 169-180).<br>Toxic algae are a growing concern in the marine environment. One unique marine diatom, Pseudo-nitzschia multiseries (Hasle) Hasle, produces the neurotoxin domoic acid, which is the cause of amnesic shellfish poisoning. The molecular characterization of this organism has been limited to date. Therefore, the focus of this thesis was to identify and initiate ch
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Preheim, Sarah Pacocha. "Ecology and population structure of vibrionaceae in the coastal ocean." Thesis, Massachusetts Institute of Technology, 2010. http://hdl.handle.net/1721.1/58184.

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Thesis (Ph.D.)--Joint Program in Oceanography (Massachusetts Institute of Technology, Dept. of Civil and Environmental Engineering; and the Woods Hole Oceanographic Institution), 2010.<br>Cataloged from PDF version of thesis.<br>Includes bibliographical references.<br>Extensive genetic diversity has been discovered in the microbial world, yet mechanisms that shape and maintain this diversity remain poorly understood. This thesis investigates to what extent populations of the gamma-proteobacterial family, Vibrionaceae, are ecologically specialized by investigating the distribution across a wide
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22

Reuer, Matthew K. (Matthew Kindt) 1972. "Centennial-scale elemental and isotopic variability in the tropical and subtropical North Atlantic Ocean." Thesis, Massachusetts Institute of Technology, 2002. http://hdl.handle.net/1721.1/29060.

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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), 2002.<br>Includes bibliographical references (leaves 169-187).<br>The marine geochemistry of the North Atlantic Ocean varies on decadal to centennial time scales, a consequence of natural and anthropogenic forcing. Surface corals provide a useful geochemical archive to quantify past mixed layer variability, and this study presents elemental and isotopic records from the tro
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Sutherland, David A. (David Alan). "The East Greenland Coastal Current : its structure, variability, and large-scale impact." Thesis, Massachusetts Institute of Technology, 2008. http://hdl.handle.net/1721.1/43156.

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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), 2008.<br>Includes bibliographical references (p. 155-161).<br>The subtidal circulation of the southeast Greenland shelf is described using a set of high resolution hydrographic and velocity transects occupied in summer 2004. The main feature present is the East Greenland Coastal Current (EGCC), a low-salinity, high velocity jet with a wedge-shaped hydrographic structure ch
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Parekh, Payal. "Decoupling of iron and phosphate in the global ocean." Thesis, Massachusetts Institute of Technology, 2003. http://hdl.handle.net/1721.1/59512.

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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>Includes bibliographical references (p. 132-139).<br>Iron (Fe) is an essential micronutrient for marine phytoplankton often limiting phytoplankton growth due to its low concentration in the ocean and thus playing a role in modulating the ocean's biological pump. In order to understand controls on global Fe distribution, the decoupling between Fe and P04 and the se
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Kauffman, Anne Kathryn Marie. "Demographics of lytic viral infection of coastal ocean vibrio." Thesis, Massachusetts Institute of Technology, 2014. http://hdl.handle.net/1721.1/90046.

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Thesis: Ph. D., Joint Program in Biological Oceanography (Massachusetts Institute of Technology, Department of Civil and Environmental Engineering; and the Woods Hole Oceanographic Institution), 2014.<br>Cataloged from PDF version of thesis.<br>Includes bibliographical references.<br>Viral predation on bacteria in the ocean liberates carbon from the particulate fraction, where it is accessible to higher trophic levels, and redirects it to the dissolved fraction, where it supports microbial growth. Although viruses are highly abundant in the ocean little is known about how their interactions wi
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Wargula, Anna (Anna Elizabeth). "Wave-, wind-, and tide-driven circulation at a well-mixed ocean inlet." Thesis, Massachusetts Institute of Technology, 2017. http://hdl.handle.net/1721.1/111741.

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Thesis: Ph. D. in Mechanical and Oceanographic Engineering, Joint Program in Oceanography/Applied Ocean Science and Engineering (Massachusetts Institute of Technology, Department of Mechanical Engineering; and the Woods Hole Oceanographic Institution), 2017.<br>Cataloged from PDF version of thesis.<br>Includes bibliographical references (pages 93-104).<br>The effects of waves, wind, and bathymetry on tidal and subtidal hydrodynamics at unstratified, shallow New River Inlet, NC, are evaluated using field observations and numerical simulations. Tidal flows are ebb-dominated (-1.5 to 0.6 m/s, pos
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Cockrell, Kevin L. "Understanding and utilizing waveguide invariant range-frequency striations in ocean acoustic waveguides." Thesis, Massachusetts Institute of Technology, 2010. http://hdl.handle.net/1721.1/65275.

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Thesis (Ph. D.)--Joint Program in Oceanography/Applied Ocean Science and Engineering (Massachusetts Institute of Technology, Dept. of Mechanical Engineering; and the Woods Hole Oceanographic Institution), February 2011.<br>Cataloged from PDF version of thesis.<br>Includes bibliographical references (p. 163-170).<br>Much of the recent research in ocean acoustics has focused on developing methods to exploit the effects that the sea surface and seafloor have on acoustic propagation. Many of those methods require detailed knowledge of the acoustic properties of the seafloor and the sound speed pro
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Edwards, Bethanie Rachele. "The biogeochemistry of lipid derived infochemical signals in the ocean." Thesis, Massachusetts Institute of Technology, 2016. http://hdl.handle.net/1721.1/103254.

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Thesis: Ph. D., Joint Program in Oceanography/Applied Ocean Science and Engineering (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.<br>The role of oxylipins in ocean biogeochemistry was investigated using microcosm amendment experiments, environmental lipidomics, and culture based studies. Oxylipins are a bioactive class of secondary metabolites produced by diatoms and other eukaryotic phytoplankton. Previous res
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Zhao, Ning Ph D. Massachusetts Institute of Technology. "Reconstructing deglacial ocean ventilation using radiocarbon : data and inverse modeling." Thesis, Massachusetts Institute of Technology, 2017. http://hdl.handle.net/1721.1/108960.

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Thesis: Ph. D., Joint Program in Oceanography/Applied Ocean Science and Engineering (Massachusetts Institute of Technology, Department of Earth, Atmospheric, and Planetary Sciences; and the Woods Hole Oceanographic Institution), 2017.<br>Cataloged from PDF version of thesis.<br>Includes bibliographical references (pages 137-149).<br>Significant changes occurred during the last deglaciation (roughly 10-20 thousand years (ka) before present) throughout the climate system. The ocean is a large reservoir of carbon and heat, however, its role during the deglaciation is still not well understood. In
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Rapo, Mark Andrew. "Error and uncertainty in estimates of Reynolds stress using ADCP in an energetic ocean state." Thesis, Massachusetts Institute of Technology, 2006. http://hdl.handle.net/1721.1/39198.

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Includes bibliographical references (leaves 189-191).<br>Thesis (S.M. in Oceanographic Engineering)--Joint Program in Oceanography/Applied Ocean Science and Engineering (Massachusetts Institute of Technology, Dept. of Mechanical Engineering; and the Woods Hole Oceanographic Institution), 2006.<br>(cont.) To that end, the space-time correlations of the error, turbulence, and wave processes are developed and then utilized to find the extent to which the environmental and internal processing parameters contribute to this error. It is found that the wave-induced velocities, even when filtered, int
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Rohr, Tyler W. "Computational analysis of the biophysical controls on Southern Ocean phytoplankton ecosystem dynamics." Thesis, Massachusetts Institute of Technology, 2019. https://hdl.handle.net/1721.1/122325.

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Thesis: Ph. D., Joint Program in Oceanography/Applied Ocean Science and Engineering (Massachusetts Institute of Technology, Department of Earth, Atmospheric, and Planetary Sciences; and the Woods Hole Oceanographic Institution), 2019<br>Cataloged from PDF version of thesis.<br>Includes bibliographical references (pages 193-220).<br>Southern Ocean net community productivity plays an out sized role in regulating global biogeochemical cycling and climate dynamics. The structure of spatial-temporal variability in phytoplankton ecosystem dynamics is largely governed by physical processes but a vari
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Kalmikov, Alexander G. "Modeling wind forcing in phase resolving simulation of nonlinear wind waves." Thesis, Massachusetts Institute of Technology, 2010. http://hdl.handle.net/1721.1/57791.

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Thesis (S.M.)--Joint Program in Oceanography/Applied Ocean Science and Engineering (Massachusetts Institute of Technology, Dept. of Mechanical Engineering; and the Woods Hole Oceanographic Institution), 2010.<br>Cataloged from PDF version of thesis.<br>Includes bibliographical references (p. 148-152).<br>Wind waves in the ocean are a product of complex interaction of turbulent air flow with gravity driven water surface. The coupling is strong and the waves are non-stationary, irregular and highly nonlinear, which restricts the ability of traditional phase averaged models to simulate their comp
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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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Kim, Hyun Joe. "Forward sound propagation around seamounts : application of acoustic models to the Kermit-Roosevelt and Elivs seamounts." Thesis, Massachusetts Institute of Technology, 2009. http://hdl.handle.net/1721.1/49764.

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Thesis (Ph. D.)--Joint Program in Oceanography/Applied Ocean Science and Engineering (Massachusetts Institute of Technology, Dept. of Mechanical Engineering; and the Woods Hole Oceanographic Institution), 2009.<br>Includes bibliographical references (p. 271-277).<br>The Basin Acoustic Seamount Scattering Experiment (BASSEX) of 2004 was conducted to measure forward-scattering around the Kermit-Roosevelt Seamount Complex in the Northeast Pacific. The BASSEX experiment was focused on the bathymetric effects on acoustic propagation, in particular, on direct blockage, horizontal refraction, diffrac
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Eickstedt, Donald Patrick. "Adaptive sampling in autonomous marine sensor networks." Thesis, Massachusetts Institute of Technology, 2006. http://hdl.handle.net/1721.1/39207.

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Thesis (Ph. D.)--Joint Program in Oceanography/Applied Ocean Science and Engineering (Massachusetts Institute of Technology, Dept. of Mechanical Engineering; and the Woods Hole Oceanographic Institution), 2006.<br>Includes bibliographical references (leaves 209-213).<br>In this thesis, an innovative architecture for real-time adaptive and cooperative control of autonomous sensor platforms in a marine sensor network is described in the context of the autonomous oceanographic network scenario. This architecture has three major components, an intelligent, logical sensor that provides high-level e
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Licht, Stephen Carl. "Biomimetic oscillating foil propulsion to enhance underwater vehicle agility and maneuverability." Thesis, Massachusetts Institute of Technology, 2008. http://hdl.handle.net/1721.1/44800.

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Includes bibliographical references (p. 211-216).<br>Thesis (Ph. D.)--Joint Program in Oceanography/Applied Ocean Science and Engineering (Massachusetts Institute of Technology, Dept. of Mechanical Engineering; and the Woods Hole Oceanographic Institution), 2008.<br>Inspired by the swimming abilities of marine animals, this thesis presents "Finnegan the RoboTurtle", an autonomous underwater vehicle (AUV) powered entirely by four flapping foils. Biomimetic actuation is shown to produce dramatic improvements in AUV maneuvering at cruising speeds, while simultaneously allowing for agility at low
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Callies, Jörn. "Submesoscale turbulence in the upper ocean." Thesis, Massachusetts Institute of Technology, 2016. http://hdl.handle.net/1721.1/103253.

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Thesis: Ph. D., Joint Program in Oceanography/Applied Ocean Science and Engineering (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 [191]-201).<br>Submesoscale flows, current systems 1-100 km in horizontal extent, are increasingly coming into focus as an important component of upper-ocean dynamics. A range of processes have been proposed to energize submesoscale flows, but which process dominates in reality
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Sarafian, Emily Kathryn. "Geophysical and petrological constraints on ocean plate dynamics." Thesis, Massachusetts Institute of Technology, 2017. http://hdl.handle.net/1721.1/111716.

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Thesis: Ph. D., Joint Program in Oceanography/Applied Ocean Science and Engineering (Massachusetts Institute of Technology, Department of Earth, Atmospheric, and Planetary Sciences; and the Woods Hole Oceanographic Institution), 2017.<br>Cataloged from PDF version of thesis.<br>Includes bibliographical references.<br>This thesis investigates the formation and subsequent motion of oceanic lithospheric plates through geophysical and petrological methods. Ocean crust and lithosphere forms at mid-ocean ridges as the underlying asthenosphere rises, melts, and flows away from the ridge axis. In Chap
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Hawco, Nicholas James. "The cobalt cycle in the tropical Pacific Ocean." Thesis, Massachusetts Institute of Technology, 2017. http://hdl.handle.net/1721.1/108907.

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Thesis: Ph. D., Joint Program in Oceanography/Applied Ocean Science and Engineering (Massachusetts Institute of Technology, Department of Earth, Atmospheric, and Planetary Sciences; and the Woods Hole Oceanographic Institution), 2017.<br>Cataloged from PDF version of thesis.<br>Includes bibliographical references.<br>Although over a dozen elements are needed to support phytoplankton growth, only a few are considered to be growth-limiting. As the central atom in vitamin B12, cobalt is crucial for metabolism, but its status as a limiting nutrient is uncertain. This thesis investigates the geoche
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Govindarajan, Annette Frese 1970. "Life cycle evolution and systematics of Campanulariid hydrozoans." Thesis, Massachusetts Institute of Technology, 2004. http://hdl.handle.net/1721.1/39414.

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Thesis (Ph. D.)--Joint Program in Oceanography/Applied Ocean Science and Engineering (Massachusetts Institute of Technology, Dept. of Biology; and, the Woods Hole Oceanographic Institution), 2004.<br>Includes bibliographical references.<br>The purpose of this thesis is to study campanulariid life cycle evolution and systematics. The Campanulariidae is a hydrozoan family with many life cycle variations, and provide an excellent model system to study life cycle evolution. Additionally, the unique campanulariid Obelia medusae may have been "re-invented" from ancestors without medusae. Chapter 1 r
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Fujiwara, Masami 1970. "Mark-recapture statistics and demographic analysis." Thesis, Massachusetts Institute of Technology, 2002. http://hdl.handle.net/1721.1/29057.

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Thesis (Ph.D.)--Joint Program in Oceanography/Applied Ocean Science and Engineering (Massachusetts Institute of Technology, Dept. of Biology, and the Woods Hole Oceanographic Institution), 2002.<br>Includes bibliographical references (p. 130-138).<br>Mark-recapture analysis of populations is becoming an important tool in population biology. Mark-recapture methods can be used to estimate transition probabilities among life-stages from capture histories of marked individuals for which stages can be determined at each sampling occasion. This method is called a multi-stage mark-recapture (MSMR) me
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Gerbi, Gregory Peter. "Observations of turbulent fluxes and turbulence dynamics in the ocean surface boundary layer." Thesis, Massachusetts Institute of Technology, 2008. http://hdl.handle.net/1721.1/45778.

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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), 2008.<br>Includes bibliographical references (p. 110-119).<br>This study presents observations of turbulence dynamics made during the low winds portion of the Coupled Boundary Layers and Air-Sea Transfer experiment (CBLAST-Low). Observations were made of turbulent fluxes, turbulent kinetic energy, and the length scales of flux-carrying and energy-containing eddies in the o
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Luo, Wenyu. "A three-dimensional coupled modes solution for range-dependent waveguides." Thesis, Massachusetts Institute of Technology, 2005. http://hdl.handle.net/1721.1/69207.

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Thesis (S.M.)--Joint Program in Oceanography/Applied Ocean Science and Engineering (Massachusetts Institute of Technology, Dept. of Ocean Engineering; and the Woods Hole Oceanographic Institution); and, (S.M.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 2005.<br>Includes bibliographical references (p. 149-151).<br>Despite the great achievements obtained with fast-field and parabolic equation models, normal mode programs still remain a very efficient, simple and practical tool for describing ocean acoustics in range-independent environments. Num
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Schneider, Toby Edwin. "Advances in integrating autonomy with acoustic communications for intelligent networks of marine robots." Thesis, Massachusetts Institute of Technology, 2013. http://hdl.handle.net/1721.1/79162.

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Thesis (Ph. D.)--Joint Program in Oceanography/Applied Ocean Science and Engineering (Massachusetts Institute of Technology, Dept. of Mechanical Engineering; and the Woods Hole Oceanographic Institution), 2013.<br>This electronic version was submitted by the student author. The certified thesis is available in the Institute Archives and Special Collections.<br>Cataloged from student-submitted PDF version of thesis.<br>Includes bibliographical references (p. 151-161).<br>Autonomous marine vehicles are increasingly used in clusters for an array of oceanographic tasks. The effectiveness of this
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Winey, Nastasia Elizabeth. "Modifiable stability and maneuverability of high speed unmanned underwater vehicles (UUVs) through bioinspired control fins." Thesis, Massachusetts Institute of Technology, 2020. https://hdl.handle.net/1721.1/129025.

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Thesis: S.M., Joint Program in Oceanography/Applied Ocean Science and Engineering (Massachusetts Institute of Technology, Department of Mechanical Engineering; and the Woods Hole Oceanographic Institution), September, 2020<br>Cataloged from student-submitted PDF version of thesis.<br>Includes bibliographical references (pages 73-74).<br>Underwater Vehicles generally have control fins located only near their aft end, for making controllable changes in directions. This design allows for stability of control; however, the turns are typically large in comparison to the vehicle body length. Some bo
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O'Neill, Brendan Commander(Brendan William). "Signal absorption-based range estimator for undersea swarms." Thesis, Massachusetts Institute of Technology, 2020. https://hdl.handle.net/1721.1/129031.

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Thesis: S.M., Joint Program in Oceanography/Applied Ocean Science and Engineering (Massachusetts Institute of Technology, Department of Mechanical Engineering; and the Woods Hole Oceanographic Institution), September, 2020<br>Cataloged from student-submitted PDF version of thesis.<br>Includes bibliographical references (pages 97-102).<br>Robotic swarms are becoming increasingly complex on the surface and in air due to highspeed and reliable communication links, Global Positioning Satellites (GPS), and visual support to relative navigation. However, the limited propagation of these signals in t
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Dolan, Christopher R. Lieutenant Commander(Christopher Raymond). "A method for on-line water current velocity estimation using Lol-cost autonomous underwater vehicles." Thesis, Massachusetts Institute of Technology, 2020. https://hdl.handle.net/1721.1/129023.

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Thesis: S.M., Joint Program in Oceanography/Applied Ocean Science and Engineering (Massachusetts Institute of Technology, Department of Mechanical Engineering; and the Woods Hole Oceanographic Institution), 2020<br>Cataloged from student-submitted PDF of thesis.<br>Includes bibliographical references (page 85).<br>Advances in the miniaturization of microelectronics has greatly contributed to the proliferation of small, low cost autonomous underwater vehicles (AUVs). These affordable vehicles offer organizations a flexible platform that can be adapted to support a multitude of research goals. T
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Li, John Zhang. "A planned approach to high collision risk area." Thesis, Massachusetts Institute of Technology, 2020. https://hdl.handle.net/1721.1/129029.

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Thesis: S.M., Joint Program in Oceanography/Applied Ocean Science and Engineering (Massachusetts Institute of Technology, Department of Mechanical Engineering; and the Woods Hole Oceanographic Institution), September, 2020<br>Cataloged from student-submitted PDF version of thesis.<br>Includes bibliographical references (pages 103-107).<br>This thesis examines the transition of a vessel from the open ocean, where collisions are rare, to a high risk and heavy traffic area such as a Traffic Separation Scheme (TSS). Previous autonomy approaches generally view path planning and collision avoidance
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Haji, Maha Niametullah. "Scattering of the low-mode internal tide at the Line Islands Ridge." Thesis, Massachusetts Institute of Technology, 2015. http://hdl.handle.net/1721.1/97852.

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Thesis: S.M., Joint Program in Oceanography/Applied Ocean Science and Engineering (Massachusetts Institute of Technology, Department of Mechanical Engineering; and the Woods Hole Oceanographic Institution), 2015.<br>Cataloged from PDF version of thesis.<br>Includes bibliographical references (pages 119-122).<br>The scattering of low-mode internal tides by ocean-floor topography is extensively studied through analytical models and field observations at the Line Islands Ridge (LIR). An existing Green function method is utilized to examine the generation of internal tides by idealized topographic
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Haji, Maha Niametullah. "Extraction of uranium from seawater : Design and testing of a symbiotic system." Thesis, Massachusetts Institute of Technology, 2017. http://hdl.handle.net/1721.1/111821.

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Thesis: Ph. D., Joint Program in Oceanography/Applied Ocean Science and Engineering (Massachusetts Institute of Technology, Department of Mechanical Engineering; and the Woods Hole Oceanographic Institution), 2017.<br>Cataloged from PDF version of thesis.<br>Includes bibliographical references (pages 159-167).<br>Seawater is estimated to contain 4.5 billion tonnes of uranium, approximately 1000 times that available in conventional terrestrial resources. Finding a sustainable way to harvest uranium from seawater will provide a source of nuclear fuel for generations to come, while also giving al
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