Thèses sur le sujet « Ocean optic »
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Harker, Genevra E. L. « A comparison between optical properties measured in the field and the laboratory, and the development of an optical model ». Thesis, Bangor University, 1997. https://research.bangor.ac.uk/portal/en/theses/a-comparison-between-optical-properties-measured-in-the-field-and-the-laboratory-and-the-development-of-an-optical-model(73ac3679-0a9e-4fed-af24-560041daca25).html.
Texte intégralWoods, Sarah F. « Optical Depolarization from Turbulent Convective Flow : A Laboratory Study ». Scholarly Repository, 2010. http://scholarlyrepository.miami.edu/oa_dissertations/362.
Texte intégralFoster, Robert. « The polarization of light in coastal and open oceans| Reflection and transmission by the air-sea interface and application for the retrieval of water optical properties ». Thesis, The City College of New York, 2017. http://pqdtopen.proquest.com/#viewpdf?dispub=10254604.
Texte intégralFor decades, traditional remote sensing retrieval methods that rely solely on the spectral intensity of the water-leaving light have provided indicators of aquatic ecosystem health. With the increasing demand for new water quality indicators and improved accuracy of existing ones, the limits of traditional remote sensing approaches are becoming apparent. Use of the additional information intrinsic to the polarization state of light is therefore receiving more attention. One of the major challenges inherent in any above-surface determination of the water-leaving radiance, scalar or vector, is the removal of extraneous light which has not interacted with the water body and is therefore not useful for remote sensing of the water itself. Due in-part to the lack of a proven alternative, existing polarimeter installations have thus far assumed that such light was reflected by a flat sea surface, which can lead to large inaccuracies in the water-leaving polarization signal. This dissertation rigorously determines the full Mueller matrices for both surface-reflected skylight and upwardly transmitted light by a wind-driven ocean surface. A Monte Carlo code models the surface in 3D and performs polarized ray-tracing, while a vector radiative transfer (VRT) simulation generates polarized light distributions from which the initial Stokes vector for each ray is inferred. Matrices are computed for the observable range of surface wind speeds, viewing and solar geometries, and atmospheric aerosol loads. Radiometer field-of-view effects are also assessed. Validation of the results is achieved using comprehensive VRT simulations of the atmosphere-ocean system based on several oceanographic research cruises and specially designed polarimeters developed by the City College of New York: one submerged beneath the surface and one mounted on a research vessel. When available, additional comparisons are made at 9 km altitude with the NASA Research Scanning Polarimeter (RSP). Excellent agreement is achieved between all instrumentation, demonstrating the accuracy of the modeling approach and validating the computed Mueller matrices. Further, the results are used to demonstrate the feasibility for polarimetric retrieval of the total attenuation coefficient for Case II waters, a feat which is not possible using scalar remote sensing methods.
Martin, Michiko J. « An investigation of momentum exchange parameterizations and atmospheric forcing for the Coastal Mixing and Optics Program ». Thesis, Massachusetts Institute of Technology, 1998. http://hdl.handle.net/1721.1/55324.
Texte intégralIncludes bibliographic references (p. 77-83).
This thesis presents an investigation of the influence of surface waves on momentum exchange. A quantitative comparison of direct covariance friction velocity measurements to bulk aerodynamic and inertial dissipation estimates indicates that both indirect methods systematically underestimate the momentum flux into developing seas. To account for wave-induced processes and yield improved flux estimates, modifications to the traditional flux parameterizations are explored. Modification to the bulk aerodynamic method involves incorporating sea state dependence into the roughness length calculation. For the inertial dissipation method, a new parameterization for the dimensionless dissipation rate is proposed. The modifications lead to improved momentum flux estimates for both methods.
by Michiko J. Martin.
S.M.
North, Jan Arthur. « Fourier image synthesis and slope spectrum analysis of deepwater, wind-wave scenes viewed at Brewster's angle / ». Online version of thesis, 1989. http://hdl.handle.net/1850/11520.
Texte intégralFarmer, Andrew Scott. « Bottom albedo derivations using hyperspectral spectrometry and multispectral video ». [Tampa, Fla.] : University of South Florida, 2005. http://purl.fcla.edu/fcla/etd/SFE0001054.
Texte intégralKay, Susan Barbara. « Radiative transfer modelling for sun glint correction in marine satellite imagery ». Thesis, University of Exeter, 2011. http://hdl.handle.net/10036/3523.
Texte intégralCalmes, Lonnie Kirkland. « Solid-state Raman image amplification ». Diss., The University of Arizona, 1998. http://hdl.handle.net/10150/288920.
Texte intégralSensi, Daniel Tyler. « Optical Detection and Classification of Phytoplankton Taxa through Spectral Analysis ». Scholar Commons, 2012. http://scholarcommons.usf.edu/etd/4400.
Texte intégralHolman, Kiyomi. « Testing Approaches and Sensors for Satellite-Derived Bathymetry in Nunavut ». Thesis, Université d'Ottawa / University of Ottawa, 2020. http://hdl.handle.net/10393/41402.
Texte intégralBeltrán-Abaunza, José M. « Remote sensing in optically complex waters : water quality assessment using MERIS data ». Doctoral thesis, Stockholms universitet, Institutionen för ekologi, miljö och botanik, 2015. http://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-123724.
Texte intégralResearch funders:
European Space Agency (ESA, contract no.21524/08/I-OL)
NordForsk funding: Nord AquaRemS Ref. no. 80106
NordForsk funding: NordBaltRemS Ref.no. 42041
At the time of the doctoral defense, the following papers were unpublished and had a status as follows: Paper 3: Manuscript. Paper 4: Manuscript.
Evans, Oliver Graham Evans. « Modeling the Light Field in Macroalgae Aquaculture ». University of Akron / OhioLINK, 2018. http://rave.ohiolink.edu/etdc/view?acc_num=akron1542810712432336.
Texte intégralBerger, Jean-Philippe. « Interférométrie et formation stellaire : Perspectives pour une instrumentation en optique intégrée ». Université Joseph Fourier (Grenoble), 1998. http://www.theses.fr/1998GRE10213.
Texte intégralCorporon, Patrice. « La binarité des étoiles Ae/Be de Herbig vue par l'optique adaptative et la spectroscopie : une étude du système triple TY CrA ». Phd thesis, Université Joseph Fourier (Grenoble), 1998. http://tel.archives-ouvertes.fr/tel-00724469.
Texte intégralHaubrich, David. « Instrumentation to Measure the Backscattering Coefficient bb for Arbitrary Phase Functions ». Thesis, 2010. http://hdl.handle.net/1969.1/ETD-TAMU-2010-08-8246.
Texte intégralJohnson, R. « Remote sensing of phytoplankton in the Southern Ocean ». Thesis, 2016. https://eprints.utas.edu.au/23452/1/Johnson_whole_thesis.pdf.
Texte intégralCastro, Nicolás Martín. « Modelo de emisión de radiación de la superficie del mar dependiente del viento ». Bachelor's thesis, 2011. http://hdl.handle.net/11086/67.
Texte intégralEl conocimiento del vector del viento en la superficie del mar a escala global es de vital importancia en estudios de cambio climático. En particular, es indispensable para la estimación de la salinidad del mar, principal objetivo de la misión SAC-D/Aquarius de la CONAE y la NASA. Para la obtención del vector de viento en la superficie del mar es necesario un Modelo de Transferencia Radiativa, para el rango de las microondas, que incluya una descripción en detalle de la dependencia de la radiación emitida por el mar con el módulo y la dirección del viento en su superficie. En este trabajo se implementó un modelo de emisión de radiación del mar semiempírico, basado en un modelo de superficie del mar de dos escalas. Se adaptó el modelo para dominio de trabajo del radiómetro montado en el satélite SAC-D, y se obtuvieron las estimaciones de temperaturas de brillo correspondientes.
Antecedentes históricos -- Fundamentos de la teledetección pasiva en las microondas -- La Teoría de la Transferencia Radiativa -- El viento y la emisión de radiación de la supercie del mar -- El espectro de ondas -- La espuma de mar -- Las olas capilares -- Cálculos para el MWR -- Los coecientes de scattering de Bragg.