Relevant bibliographies by topics / Destratification / Dissertations / Theses
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Dissertations / Theses on the topic 'Destratification'

Author: Grafiati
Published: 4 June 2021
Last updated: 4 May 2024

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1

Littlejohn, Carla Louise, and n/a. "Influence of Artificial Destratification on Limnological Processes in Lake Samsonvale (North Pine Dam), Queensland, Australia." Griffith University. Australian School of Environmental Studies, 2004. http://www4.gu.edu.au:8080/adt-root/public/adt-QGU20050211.133123.

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Artificial destratification equipment was installed in Lake Samsonvale in October 1995 to reduce the biomass of potentially toxic cyanobacteria in the reservoir. This study was undertaken to investigate the effects of the destratifier on the limnological processes occurring in the lake and to determine if operation of the destratifier has been effective at reducing the summer populations of Cylindrospermopsis raciborskii and Microcystis aeruginosa. The study showed that artificial destratification of Lake Samsonvale has been successful at reducing the surface to bottom thermal gradient and inc
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2

Littlejohn, Carla Louise. "Influence of Artificial Destratification on Limnological Processes in Lake Samsonvale (North Pine Dam), Queensland, Australia." Thesis, Griffith University, 2004. http://hdl.handle.net/10072/365764.

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Artificial destratification equipment was installed in Lake Samsonvale in October 1995 to reduce the biomass of potentially toxic cyanobacteria in the reservoir. This study was undertaken to investigate the effects of the destratifier on the limnological processes occurring in the lake and to determine if operation of the destratifier has been effective at reducing the summer populations of Cylindrospermopsis raciborskii and Microcystis aeruginosa. The study showed that artificial destratification of Lake Samsonvale has been successful at reducing the surface to bottom thermal gradient and inc
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3

Hayward, Donald Max. "Contribution to the hydrobiology of the York River: predicting surface mixed layer depth (destratification, tidal, semilunar, Virginia)." W&M ScholarWorks, 1986. https://scholarworks.wm.edu/etd/1539616690.

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Destratification in the York River, USA, during high spring tides is the result of the interruption of normal two-layer estuarine flow by advection of relatively fresh water in to the River mouth from the Chesapeake Bay. This is due to the presence of a longitudinal salinity gradient in the Bay and a difference of tidal current phase between the River and the Bay. Similar behavior is seen in other subestuaries of the Chesapeake Bay and may be common in subestuary-estuary interactions. Correlation and regression analysis are used to examine relationships between stratification variation in the
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4

Hein, Birte [Verfasser], and Thomas [Akademischer Betreuer] Pohlmann. "Processes of stratification and destratification in the Mekong ROFI - seasonal and intraseasonal variability / Birte Hein. Betreuer: Thomas Pohlmann." Hamburg : Staats- und Universitätsbibliothek Hamburg, 2013. http://d-nb.info/1041716753/34.

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5

Gorieu, Olivier. "Étude de la destratification d'une interface épaisse en convection naturelle double-diffusive : application aux cuves de stockage de GNL." Nantes, 1999. http://www.theses.fr/1999NANT2105.

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Lorsque le reservoir de stockage est complete par du gaz naturel liquefie provenant d'un methanier, la difference de masse volumique avec le gnl initialement stocke peut creer une stratification verticale stable. Plusieurs auteurs ont montre que son evolution est lie aux transferts de masse et de chaleur a travers la zone interfaciale situee entre les deux couches. Dans la premiere partie, la convection double-diffusive explique le comportement d'un milieu stratifie chauffe lateralement et le comportement d'une interface diffusive. Les phenomenes de penetration a la paroi et d'entrainement son
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6

Marek, Tomáš. "Průběh destratifikace na vodní nádrži Brno." Master's thesis, Vysoké učení technické v Brně. Fakulta chemická, 2013. http://www.nusl.cz/ntk/nusl-216964.

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This thesis deals with the process of destratification at the Brno dam reservoir within the activities of a larger project "Clean Svratka", aimed to improvement of water quality in the catchment area upstream the Brno dam. At the Brno dam the project "Implementation of measures at the Brno Reservoir" has been in progress for the third year. Its aim is the proposal and implementation of measures to suppress the cyanobacteria mass development in the dam lake. One of the key measures is aeration and mixing of dam water through a 20 aeration tower. The theoretical part of this thesis focuses on se
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7

Sluše, Jan. "Destratifikace vodních nádrží." Doctoral thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2021. http://www.nusl.cz/ntk/nusl-446791.

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This doctoral thesis is focused on design of new equipment for aeration of water surface with low depth of water column. Aeration is one of ecological preventive methods to prevent growth of cyanobacteria. Increase of dissolved oxygen content in water mass leads to support of the growth of organisms which are disadvantaged by impossibility of movement in water mass and thus also to support biodiversity. Given biodiversity has a positive effect on water quality because it avoids the outbreak of one species of aquatic organism, in particular of cyanobacteria. Designed aeration equipment uses mem
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8

Oucherfi, Myriam. "Contribution à l'étude de la ventilation transversale lors d'un incendie en tunnel routier." Phd thesis, Université Claude Bernard - Lyon I, 2009. http://tel.archives-ouvertes.fr/tel-00652385.

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L'objectif de cette thèse est de présenter des critères simples pour l'évaluation des performances d'une ventilation transversale. On définit l'efficacité et le rendement, calculés à partir du flux de déficit de densité créé par l'incendie. Après une étude préliminaire permettant de caler les modèles numériques, l'influence de différents paramètres sur ces valeurs a été évaluée. Dans un premier temps, l'étude a porté sur une seule trappe et a montré que le courant d'air dans le tunnel est le paramètre le plus important. A l'inverse, la forme de la trappe pour une surface donnée n'a que très pe
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9

Oucherfi, Myriam. "Contribution à l'étude de la ventilation transversale lors d'un incendie en tunnel routier." Phd thesis, Lyon 1, 2009. http://n2t.net/ark:/47881/m6cc0z3v.

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L’objectif de cette thèse est de présenter des critères simples pour l’évaluation des performances d’une ventilation transversale. On définit l’efficacité et le rendement, calculés à partir du flux de déficit de densité créé par l’incendie. Après une étude préliminaire permettant de caler les modèles numériques, l’influence de différents paramètres sur ces valeurs a été évaluée. Dans un premier temps, l’étude a porté sur une seule trappe et a montré que le courant d’air dans le tunnel est le paramètre le plus important. A l’inverse, la forme de la trappe pour une surface donnée n’a que très pe
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10

Merrick, Chester John. "Phytoplankton-zooplankton interactions in Mt. Bold Reservoir, South Australia /." Title page, contents and summary only, 1990. http://web4.library.adelaide.edu.au/theses/09PH/09phm568.pdf.

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11

Linden, Leon Gareth. "Impact of destratification on the treat-ability of natural organic matter in drinking water reservoirs." Thesis, 2008. http://hdl.handle.net/2440/56819.

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Full text not available, contact Library_theses@adelaide.edu.au<br>The aim of this study was to describe the potential impact of stratification, and therefore destratification, and inflow hydrodynamics on the raw water quality in drinking water reservoirs, from the perspective of NOM. Investigations of the changes in the concentration, character and removal of NOM by conventional treatment processes during inflow hydrodynamics and thermal stratification were performed using observational and manipulative experiments and empirical and process based modelling. Further conceptual models were deve
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12

Linden, Leon Gareth. "Impact of destratification on the treat-ability of natural organic matter in drinking water reservoirs." 2008. http://hdl.handle.net/2440/56819.

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Title page, contents and abstract only. The complete thesis in print form is available from the University of Adelaide Library.<br>The aim of this study was to describe the potential impact of stratification, and therefore destratification, and inflow hydrodynamics on the raw water quality in drinking water reservoirs, from the perspective of NOM. Investigations of the changes in the concentration, character and removal of NOM by conventional treatment processes during inflow hydrodynamics and thermal stratification were performed using observational and manipulative experiments and empirical
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13

Lewis, David M. "Surface mixers for destratification and management of Anabaena circinalis / by David Milton Lewis." 2004. http://hdl.handle.net/2440/22047.

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"March 2004"<br>Bibliography: leaves 221-234.<br>xxiv, 249 leaves : ill. (some col.), maps, photos (col.) ; 30 cm.<br>Title page, contents and abstract only. The complete thesis in print form is available from the University Library.<br>This research is part of the SA Water and Cooperative Centre for Water Quality and Treatment project entitled Destratification for control of phyloplankton. The major objective of this project was to assess a novel method of destratification and control of cyanobacteria, in particular Anabaena circinalis Rabenh. ex Born. et Flah, with the use of raft-mounted me
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14

Lewis, David Milton. "Surface mixers for destratification and management of Anabaena circinalis / by David Milton Lewis." Thesis, 2004. http://hdl.handle.net/2440/22047.

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"March 2004"<br>Bibliography: leaves 221-234.<br>xxiv, 249 leaves : ill. (some col.), maps, photos (col.) ; 30 cm.<br>This research is part of the SA Water and Cooperative Centre for Water Quality and Treatment project entitled Destratification for control of phyloplankton. The major objective of this project was to assess a novel method of destratification and control of cyanobacteria, in particular Anabaena circinalis Rabenh. ex Born. et Flah, with the use of raft-mounted mechanical surface mixers with draft-tubes.<br>Thesis (Ph.D.)--University of Adelaide, School of Civil and Environmental
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15

Oucherfi, Myriam. "Contribution à l’étude de la ventilation transversale lors d’un incendie en tunnel routier." Thesis, 2009. http://www.theses.fr/2009LYO10037/document.

Full text
Abstract:
L’objectif de cette thèse est de présenter des critères simples pour l’évaluation des performances d’une ventilation transversale. On définit l’efficacité et le rendement, calculés à partir du flux de déficit de densité créé par l’incendie. Après une étude préliminaire permettant de caler les modèles numériques, l’influence de différents paramètres sur ces valeurs a été évaluée. Dans un premier temps, l’étude a porté sur une seule trappe et a montré que le courant d’air dans le tunnel est le paramètre le plus important. A l’inverse, la forme de la trappe pour une surface donnée n’a que très pe
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