COMING SOON! PQDT Open is getting a new home!

ProQuest Open Access Dissertations & Theses will remain freely available as part of a new and enhanced search experience at www.proquest.com.

Questions? Please refer to this FAQ.

Dissertation/Thesis Abstract

Characterization and Modeling of Profiling Oceanic Lidar for Remotely Sampling Ocean Optical Properties
by Strait, Christopher, M.S., Florida Atlantic University, 2020, 100; 28263095
Abstract (Summary)

Lidar has the ability to supplant or compliment many current measurement technologies in ocean optics. Lidar measures Inherent Optical Properties over long distances without impacting the orientation and assemblages of particles it measures, unlike many systems today which require pumps and flow cells. As an active sensing technology, it has the benefit of being independent of time of day and weather. Techniques to interpret oceanographic lidar lags behind atmospheric lidar inversion techniques to measure optical properties due to the complexity and variability of the ocean. Unlike in the atmosphere, two unknowns in the lidar equation backscattering at 180° (βπ) and attenuation (c) do not necessarily covary. A lidar system developed at the Harbor Branch Oceanographic Institute is used as a test bed to validate a Monte-Carlo model to investigate the inversion of optical properties from lidar signals. Controlled tank experiments and field measurements are used to generate lidar waveforms and provide optical situations to model. The Metron EODES backscatter model is used to model waveforms. A chlorophyll based forward optical model provides a set of 1500 unique optical situations which are modeled to test inversion techniques and lidar geometries. Due to issues with the lidar system and model the goal of validating the model as well as a more mature inversion experiment were not completed. However, the results are valuable to show the complexity and promise of lidar systems.

Indexing (document details)
Advisor: Nayak, Aditya
Commitee: Twardowski, Michael, Ouyang, Bing
School: Florida Atlantic University
Department: Marine Science and Oceanogrphy
School Location: United States -- Florida
Source: MAI 82/6(E), Masters Abstracts International
Source Type: DISSERTATION
Subjects: Optics, Physical oceanography, Remote sensing
Keywords: Lidar, Lidar characterization, Lidar modeling, Ocean optics
Publication Number: 28263095
ISBN: 9798557038348
Copyright © 2021 ProQuest LLC. All rights reserved. Terms and Conditions Privacy Policy Cookie Policy
ProQuest