Дисертації з теми "Profiler lidar"
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Smith, Christina Lynn. "Analysis of mixing layer heights inferred from radiosonde, wind profiler, airborne lidar, airborne microwave temperature profiler, and in-situ aircraft data during the Texas 2000 air quality study in Houston, TX." Texas A&M University, 2003. http://hdl.handle.net/1969.1/2300.
Повний текст джерелаHarrison, Daniel Edward. "Comparison of LIDAR and Mini-Rawin Sonde profiles." Thesis, Monterey, Calif. : Springfield, Va. : Naval Postgraduate School ; Available from National Technical Information Service, 1998. http://handle.dtic.mil/100.2/ADA349026.
Повний текст джерелаThesis advisor(s): Kenneth LaVern Davidson, Carlyle H. Wash. "June 1998." Includes bibliographical references (p. 49-50). Also available online.
Lesouëf, Dorothée. "Étude numérique des circulations locales à la Réunion : application à la dispersion de polluants." Phd thesis, Université de la Réunion, 2010. http://tel.archives-ouvertes.fr/tel-00633096.
Повний текст джерелаGunal, Murat. "Modification of the Naval Postgraduate School Lidar System." Thesis, Monterey, Calif. : Springfield, Va. : Naval Postgraduate School ; Available from National Technical Information Service, 1995. http://handle.dtic.mil/100.2/ADA304245.
Повний текст джерелаFriman, Sonja. "Field Test of a Brillouin LIDAR for Temperature Profiles of the Ocean." Thesis, KTH, Tillämpad fysik, 2016. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-185795.
Повний текст джерелаt'Kint, de Roodenbeke Axelle. "A novel broad-band LIDAR for the measurement of profiles of tropospheric aerosol and temperature : techniques and first profiles." Thesis, University of Cambridge, 1998. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.624815.
Повний текст джерелаGrant, Richard Peter James Seton. "The establishment of a Lidar facility at Rhodes University." Thesis, Rhodes University, 1988. http://hdl.handle.net/10962/d1001998.
Повний текст джерелаGörgens, Eric Bastos. "LiDAR technology applied to vegetation quantification and qualification." Universidade de São Paulo, 2014. http://www.teses.usp.br/teses/disponiveis/11/11150/tde-10042015-112503/.
Повний текст джерелаA metodologia para quantificar vegetação a partir de dados LiDAR (Light Detection And Ranging) está de certa forma consolidada, porém ainda existem pontos a serem esclarecidos que permanecem na lista da comunidade científica. Quatro aspectos foram estudos nesta tese. No primeiro estudo, foi investigado a influência das alturas de referência (altura mínima e altura de quebra) na qualidade do conjunto de métricas extraído visando estimação do volume de um plantio de eucalipto. Os resultados indicaram que valor mais altos de alturas de referência retornaram um conjunto de métricas melhor. O efeito das alturas de referência foi mais evidente em povoamentos jovens e para as métricas de densidade. No segundo estudo, avaliou-se a estabilidade de métricas LiDAR derivadas para uma mesma área sobrevoada com diferentes configurações de equipamentos e voo. Este estudo apresentou como a seleção de métricas estáveis pode contribuir para a geração de modelos compatíveis com diferentes bases de dados LiDAR. De acordo com os resultados, as métricas de altura foram mais estáveis que as métricas de densidade, com destaque para os percentis acima de 50% e a moda. O terceiro estudo avaliou o uso de máquinas de aprendizado para a estimação do volume em nível de povoamento de plantios de eucalipto a partir de métricas LiDAR. Ao invés de estarem limitados a um pequeno subconjunto de métricas na tentativa de explicar a maior parte possível da variabilidade total dos dados, as técnicas de inteligência artificial permitiram explorar todo o conjunto de dados e detectar padrões que estimaram o volume em nível de povoamento a partir do conjunto de métricas. O quarto e último estudo focou em sete áreas de diferentes tipologias florestais brasileiras, estudando os seus perfis verticais de dossel. O estudo mostrou que é possível diferenciar estas tipologias com base no perfil vertical derivado de levantamentos LiDAR. Foi observado também que o tamanho das parcelas possui diferentes níveis de dependência espacial. Cada tipologia possui características específicas que precisam ser levadas em considerações em projetos de monitoramento, inventário e mapeamento baseado em levantamentos LiDAR. O estudo mostrou que é possível determinar o perfil vertical de dossel a partir da cobertura de 10% da área, chegando a algumas tipologias em apenas 2% da área.
Corrêa, Thaís. "Monitoramento do perfil atmosférico na região de silos do Porto de Santos pela técnica LIDAR." Universidade de São Paulo, 2018. http://www.teses.usp.br/teses/disponiveis/85/85134/tde-29012019-113201/.
Повний текст джерелаGrain handling during loading and unloading operations generates particulate materials that are released into the atmosphere by interfering with the air quality of the region. This research identified the presence of particulate matter from grain in the city of Santos using data provided by NASA satellites, air quality indexes provided by CETESB and data obtained by the LIDAR technique.
Norton, Emily G. "Spectroscopic studies of the tropospheric boundary layer." Thesis, University of Cambridge, 2006. http://www.manchester.ac.uk/escholar/uk-ac-man-scw:191307.
Повний текст джерелаRicketts, Hugo Michael Anthony. "A lidar system to measure aerosol and ozone profiles in the atmospheric boundary layer and free troposphere." Thesis, University of Manchester, 2009. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.509406.
Повний текст джерелаPahlow, Markus. "Atmospheric boundary layer dynamics and inversion technologies to obtain extinction coefficient profiles in the atmosphere from elastic lidar." Available to US Hopkins community, 2002. http://wwwlib.umi.com/dissertations/dlnow/3080740.
Повний текст джерелаHilburn, Ryan M. "A Comparison of Lidar Generated Channel Features with Ground-Surveyed Channel Features in the Little Creek Watershed." DigitalCommons@CalPoly, 2010. https://digitalcommons.calpoly.edu/theses/362.
Повний текст джерелаOuellet, Jeffrey Ovide. "Models of aerosol backscatter, extinction and absorption profiles for desert aerosols based on aircraft instrument and ground-based lidar measurements." Thesis, Georgia Institute of Technology, 1990. http://hdl.handle.net/1853/30755.
Повний текст джерелаChen, Rou-Fei. "Néotectonique et géomorphologie de la déformation frontale de l'Ouest de Taiwan." Paris 6, 2004. http://www.theses.fr/2004PA066527.
Повний текст джерелаUreš, Jan. "Vyhodnocení změny mikrotopografie svahu a půdního profilu v závislosti na zpracování půdy různými technologiemi." Master's thesis, Česká zemědělská univerzita v Praze, 2016. http://www.nusl.cz/ntk/nusl-259461.
Повний текст джерелаPopovici, Ioana Elisabeta. "Aerosol spatial and temporal variability as seen by Mobile Aerosol Monitoring System (MAMS)." Thesis, Lille, 2018. http://www.theses.fr/2018LIL1R070.
Повний текст джерелаAerosols are a variable component of the atmosphere, having an important and complex role on air quality and climate. Most of the ground-based aerosol observations are limited to fixed locations, narrowing the knowledge on their spatial variability. In order to overcome this issue, a compact Mobile Aerosol Monitoring System (MAMS) has been developed to explore the vertical and spatial variability of aerosol optical and microphysical properties. MAMS is a vehicle-based laboratory, distinguished by other transportable platforms through its ability to perform measurements during the movement. Equipped with remote sensing and in situ instruments, MAMS explored the aerosol variability through mobile on-road campaigns in various situations. This work presents variability studies and remarkable events observed both in France and in China. One of the researched aerosol variables is their mass concentration and vertical distribution. This challenge is taken up in this work. The mobile system presents a great flexibility and is cost-effective, being able to respond quickly in case of sudden aerosol events such as pollution episodes, dust, fire or volcano outbreaks, proving to be a useful platform for aerosol observation and operational networks. Applications of the mobile exploratory platform for validation activities of space missions observing the Earth and the atmosphere, for models’ evaluation and for instrument intercomparison campaigns are presented. New perspectives, both on instrumental and methodology levels are introduced, leaving place for improvements in the mobile aerosol observations
Colette, Augustin. "Etude expérimentale et numérique de l' influence des processus de transport depuis la couche-limite sur la variabilité et le bilan d' ozone troposphérique." Paris 6, 2005. https://tel.archives-ouvertes.fr/tel-00011438.
Повний текст джерелаBoilley, Alexandre. "Modélisation de cisaillements de vent et assimilation de données dans la couche limite atmosphérique." Phd thesis, Université Paul Sabatier - Toulouse III, 2011. http://tel.archives-ouvertes.fr/tel-00638822.
Повний текст джерелаGao, Yige. "Algorithms and Software Tools for Extracting Coastal Morphological Information from Airborne LiDAR Data." 2009. http://hdl.handle.net/1969.1/ETD-TAMU-2009-05-486.
Повний текст джерелаFoth, Andreas. "Optimal Estimation of Water Vapour Profiles using a Combination of Raman Lidar and Microwave Radiometer." Doctoral thesis, 2017. https://ul.qucosa.de/id/qucosa%3A15911.
Повний текст джерелаSommerfeld, Markus. "Optimal performance of airborne wind energy systems subject to realistic wind profiles." Thesis, 2020. http://hdl.handle.net/1828/12559.
Повний текст джерелаGraduate
Popescu, Alexandru Lucian. "Assessment of a Rubidium ESFADOF Edge-Filter as Receiver for a Brillouin-Lidar Capable of Remotely Measuring Oceanic Temperature Profiles." Phd thesis, 2010. http://tuprints.ulb.tu-darmstadt.de/2122/1/PhD_Thesis_Popescu-Final.pdf.
Повний текст джерелаChiliński, Michał. "Zastosowanie dronów do profilowania aerozoli absorbujących w dolnej troposferze." Doctoral thesis, 2019. https://depotuw.ceon.pl/handle/item/3488.
Повний текст джерелаAbsorbing aerosols belong to an important group of atmospheric aerosols. They affect Earth's climate in a complex way, hence their influence is difficult to assess. Moreover, those aerosols play a vital role in physical processes connected with smog emissions. The main difficulty in the analysis of their impact on climate and smog conditions is very limited measurement data, especially as far as profiles of vertical distribution of absorbing aerosols are concerned. The aim of this work is to establish and verify a method that would enable to measure vertical profiles of absorption coefficient and concentration of absorbing aerosols with the usage of unmanned aerial vehicles (drones) as platforms for miniature atmospheric sensors. The data acquired in this way can be used to model radiation streams, assess how smog conditions develop and diminish, or to make atmospheric correction for remote sensing devices. Basing on the synergy of profiles of absorption coefficient with those of extinction coefficient, measured by lidar systems, we can establish vertical profiles of single scattering albedo. It was decided that the optimal method for probing would be profiling with multi-rotor drone, with attached micro-aethalometer and meteorological radiosonde. This method is highly efficient for conducting any observation (high level of repetitiveness, easy preparation, high temporal and spatial resolution) on low budget. In the years 2013-2015, the method was tested during field experiments in Strzyzow, Swider and Warsaw for probing aerosols in various conditions and using data from different lidar systems, which allow to apply multiple inversion methods. The results, scoping absorbing aerosols optical depth and single scattering albedo, were then compared with data from the AERONET photometric network and in-situ measurements on ground level. As the compatibility of AERONET data with other measurement was relatively low, it was proposed to asses absorbing aerosols optical depth on the basis of the synergy of measurements conducted with the use of drones and lidars and on-ground in situ measurements. In the course of the research, it was proved that the quality of AERONET data for optical properties of abrobing aerosols, especially in low aerosol optical depth conditions, is rather questionable. In order to assess how changing vertical profile of single scattering albedo affects direct radiative forcing, streams of short-wave diffused radiation reaching the top of atmosphere and surface of the Earth, and profiles of radiative heating, we conducted simulations on the numeric radiative transfer model. The differences observed in the streams of diffused radiation were low, as they did not exceed 3% ,regardless of the zenith angle of the sun, which changed the radiative forcing to below 10%. The greatest changes, up to 3K, were noted for radiative heating. Depending on the profile, the influence on atmospheric correction for vegetation index reached up to 7.7%, with the ratio exceeding 20% for snow albedo.
Popescu, Alexandru Lucian [Verfasser]. "Assessment of a rubidium ESFADOF edge-filter as receiver for a Brillouin-lidar capable of remotely measuring oceanic temperature profiles / von Alexandru Lucian Popescu." 2010. http://d-nb.info/1003548334/34.
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