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Dissertations / Theses on the topic 'Suwannee'

Author: Grafiati

Published: 4 June 2021

Last updated: 1 February 2022

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1

Rajabi, Masoumeh. "Characterization of Salmonella enterica from the Suwannee River." [Gainesville, Fla.] : University of Florida, 2005. http://purl.fcla.edu/fcla/etd/UFE0005485.

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2

Kogut, Megan Brook 1972. "Copper binding ability of Suwannee River Humic Acid in seawater." Thesis, Massachusetts Institute of Technology, 2000. http://hdl.handle.net/1721.1/80946.

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3

Jett, Christina. "Estimation of microzooplankton grazing in the Suwannee River estuary, Florida, USA." [Gainesville, Fla.] : University of Florida, 2004. http://purl.fcla.edu/fcla/etd/UFE0003520.

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4

Quinlan, Erin Bledsoe. "Consequences of nutrient loading in the Suwannee River and estuary, Florida, USA." [Gainesville, Fla.] : University of Florida, 2003. http://purl.fcla.edu/fcla/etd/UFE0001040.

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5

Marda, Saurabh. "Effect of Ozonation and BAC Filtration Processes on Monochloramine Demand." Thesis, Georgia Institute of Technology, 2005. http://hdl.handle.net/1853/10577.

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Although the kinetics and mechanism of monochloramine decay in organic-free waters are relatively well understood, those in natural waters are not, due to exceedingly complex and poorly defined interactions of monochloramine with natural organic matter (NOM) and particles. Ozonation followed by a biologically activated carbon (BAC) filtration is a commonly practiced process option that affects the characteristics of both dissolved and particulate constituents in the water. However, how these changes in water constituents affect stability of the residual disinfectant, or monochloramine in particular, are currently unknown. Kinetics of monochloramine decay in water samples obtained before and after ozonation and BAC treatments were performed under varying operating conditions were determined by bench-scale batch experiments. Stability of monochloramine in the BAC filter effluent samples obtained at different times after backwashing was determined. It was found that in most cases monochloramine stability was greatly decreased after BAC filtration. Further filtering the BAC effluents with 1.2 and #61549;m polycarbonate membrane resulted in a substantial increase in monochloramine stability. A further increase was observed after filtering the samples using a 0.4 m membrane. This finding suggested that particulate matter generated from the filters could be the major cause of monochloramine instability. The fines from the activated carbon, possible components of the particulate matter eluting from the BAC filters, were found to exert an insignificant monochloramine demand both in the presence and absence of NOM, which is contrary to previous speculation in the literature about their demand for monochloramine. While there appears to exist a relationship between chloramine demand and HPC count of the filter effluent, more research will be needed to determine the effect of nature and type of microorganisms and their byproducts have on chloramine demand. Effect of ozonation on monochloramine stability is also under investigation using both the water sampled from full-scale plant and the synthetic water prepared with Suwannee River NOM.

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6

Shahar, Rotem. "Tools to advance row crop best management practice (BMP) implementation in Florida's Lower Suwannee River Basin." [Gainesville, Fla.] : University of Florida, 2008. http://purl.fcla.edu/fcla/etd/UFE0022895.

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7

Vaz, Denise de Oliveira. "Estudo das interações de íons metálicos divalentes com ácidos fúlvicos extraídos das águas do Rio Suwannee." Florianópolis, SC, 2006. http://repositorio.ufsc.br/xmlui/handle/123456789/88604.

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Tese (doutorado) - Universidade Federal de Santa Catarina, Centro de Ciências Físicas e Matemáticas. Programa de Pós-Graduação em Química
Made available in DSpace on 2012-10-22T11:14:13Z (GMT). No. of bitstreams: 1 226890.pdf: 1969804 bytes, checksum: 62ae312e7aeed3154c0dcf0c24a52c8a (MD5)
O estudo sobre as interações de íons metálicos e substâncias húmicas (SH) tem sido muito importante nas últimas décadas pelo fato de que as SH também controlam as trocas de íons entre: solo, água, animais e plantas. Na primeira etapa deste trabalho, foram analisadas as interações entre íons metálicos divalentes (Cu(II), Zn(II) e Cd(II)) e um modelo constituído por três ácidos orgânicos para simulação de SH. Mediram-se as concentrações dos grupos carboxílicos e fenólicos por potenciometria e os resultados foram interpretados com auxílio do método matemático de Gran modificado e feita a comparação com o programa computacional BEST7 e com os valores estequiométricos. Os valores obtidos pelo programa BEST7 mostraram-se mais próximos dos valores estequiométricos. Determinaram-se os valores das constantes de protonação e de complexação dos grupos funcionais da mistura modelo com os íons divalentes, usando potenciometria, interpretando-se os resultados com a ajuda dos programas BEST7 e SPE e comparados com os valores da literatura. A espectroscopia de absorção de luz ultravioleta foi usada para confirmar as espécies formadas com os íons Cu(II), identificadas na potenciometria. Os resultados obtidos mostraram-se concordantes. Na segunda etapa deste trabalho, foi aplicada a metodologia usada na mistura modelo para o estudo da complexação dos íons divalentes com um ácido fúlvico extraído das águas do rio Suwannee (AFRS) (padrão da IHSS). As concentrações (mmols) dos grupos fenólicos e carboxílicos foram determinadas (método de Schnitzer e Gupta) e comparadas com os resultados obtidos com o programa BEST7, que também determina os valores (mmols) dos 5 grupos oxigenados do AFRS (fenólicos, benzóicos, catecóis, ftálicos e salicílicos), usando os dados da titulação potenciométrica. Calcularam-se os valores das constantes de dissociação de prótons e de complexação com os íons metálicos divalentes para cada grupo funcional. Seus valores foram muito próximos dos valores publicados para as interações desses grupos contidos em moléculas simples. O grupo funcional que formou a maior quantidade de complexos foi o catecol, pois complexou com todos os íons divalentes e em maior quantidade com o Cu (II). De acordo com os resultados obtidos por potenciometria pode-se fazer a seguinte série de reatividade para os íons divalentes e o AFRS: Cu >> Cd > Zn. Confirmaram-se os resultados por espectroscopia de absorção de luz infravermelha com Transformada de Fourier e espectroscopia de fluorescência.

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8

Weiss, Matthew. "Evaluation of Geophysical and Thermal Methods for Detecting Submarine Groundwater Discharge (SGD) in the Suwannee River Estuary, Florida." Scholar Commons, 2006. http://scholarcommons.usf.edu/etd/3811.

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Submarine groundwater discharge (SGD) represents a significant portion of the total discharge from coastal aquifers through diffuse seepage and point source springs, but can be difficult to locate. SGD is important as it can be a source of nutrients to estuaries and other coastal ecosystems. In an effort to evaluate geophysical and thermal methods for detecting SGD on the Florida Gulf coast, a suite of water-borne surveys were run in conjunction with aerial thermal imagery over the lower Suwannee River and estuary in March and September 2005. Thermal imagery exploits temperature differences between discharging groundwater and surface water. Thermal images were collected in March (dry season), at the end of winter, and at night to maximize the differences between warm groundwater and colder surface water. Generally pore waters in zones of concentrated SGD should be fresher, and hence more resistive than "background" values. Marine streaming resistivity data can detect pore water resistivity variations and were collected alongside continuous 222Rn and CH4 sampling from surface waters. Naturally occurring tracers, 222Rn and CH4, are used as the "standard" against which resistivity and thermal images are compared. Based on the expected properties of discharging groundwater, we hypothesize that in zones of elected tracer concentrations, increased thermal image temperatures and increased terrain resistivities will be observed. The data set as a whole supports this hypothesis. However, regional-scale correlations are clearly and significantly influenced by factors other than SGD including thermal-image noise, the presence of the fresh/salt water interface, and a large regional tracer gradient generated by a first-order spring. At local scales (tens to hundreds of meters) there are no significant correlations between thermal image temperature and tracer concentrations, due at least in part to flight-line edge effects that dominate the thermal imagery. After correcting for regional trends,significant correlations between tracer concentration and log resistivity exist only in a subset of the data that lies offshore. Because neither thermal imagery nor streaming resistivity data consistently support the hypotheses, this study suggests that neither method by itself is reliable for detecting SGD in this area

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9

Kornilev, Yurii V. "Behavioral ecology and effects of disturbance on the Suwannee Cooter (Pseudemys concinna suwanniensis) in a blackwater spring-fed river." [Gainesville, Fla.] : University of Florida, 2008. http://purl.fcla.edu/fcla/etd/UFE0022700.

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10

Mckinnie, Frank W. "Monitoring and modeling water and nitrogen transport in the vadose zone of a vegetable farm in the suwannee river basin." [Gainesville, Fla.] : University of Florida, 2003. http://purl.fcla.edu/fcla/etd/UFE0001242.

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11

Postlethwait, Niel Holland. "Evaluation of Chelex 100 and Assessing the Impact of Fulvic Acid (NOM) on Copper Toxicity and Bioavailability to Americamysis bahia." Thesis, Virginia Tech, 2001. http://hdl.handle.net/10919/33811.

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A cation exchange method (Chelex 100) that distinguishes weakly bound and strongly bound copper was investigated for its ability to measure bioavailable copper in estuarine waters. Copper bound to the Chelex 100 resin was operationally defined as bioavailable copper. Varying initial copper concentration from 195 to 495 ug/L at a constant 12.5 mg/L natural organic matter (NOM) did not affect percent bioavailability. There were also no noticeable effects when varying total Cu concentration in the presence of 0, 12, and 24 mg/L NOM. An increase in pH from 4 to 8.5 and NOM from 0 mg/L to 12.5 mg/L reduced percent bioavailability. Using the Chelex 100 resin to measure bioavailable copper, about 20 to 40% of the total copper was bioavailable in the absence of NOM, while about 15 to 20% was bioavailable when either 12 or 24 mg/L NOM was present. Acute toxicity bioassays were performed with mysid shrimp (Americamysis bahia) to evaluate the toxic effects of copper in the presence of Suwannee River Fulvic Acid, which served as a source of NOM. Static or static renewal tests, based on EPA method OPPTS 850.1035 with a minimum of 10 mysid shrimp per test condition, were used to determine the LC50 and EC50 of copper and the effects of NOM. Test solutions consisted of artificial synthetic seawater at 20 parts per thousand containing concentrations of 0, 100, 200, 400, 800 ug/L copper with either 0, 12, 24 mg/L NOM. Forty-eight hour acute toxicity tests were performed on larval (2 to 3 day) mysid shrimp that were fed Artemia (brine shrimp); mortality and immobilization were the endpoints. The 48 hour LC50 was 200 ug/L dissolved Cu and 94 ug/L bioavailable Cu without NOM, 340 ug/L dissolved Cu and 98 ug/L bioavailable Cu when 12 mg/L NOM was present, and 495 ug/L dissolved Cu and 105 ug/L bioavailable Cu at 24 mg/L NOM. The consistency of the LC50 measurement using bioavailable Cu suggest that the Chelex 100 resin is a useful technique for toxicity analysis in saline water.
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12

Barlow, Stephen E. "Vegetative characteristics of gopher tortoise (gopherus polyphemus) habitat on the Lower Suwannee National Wildlife Refuge implications for restoration and management of pine communities /." [Gainesville, Fla.] : University of Florida, 2004. http://purl.fcla.edu/fcla/etd/UFE0008342.

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13

Harris, Julianne E. "Distribution of Gulf of Mexico sturgeon (Acipenser oxyrinchus desotoi) in relation to environmental parameters and the distribution of benthic invertebrates in the Suwannee River Esturary, Florida." [Gainesville, Fla.] : University of Florida, 2003. http://purl.fcla.edu/fcla/etd/UFE0001162.

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14

Newell, William. "“Way Down Upon the Suwanee River”: Examining the Inclusion of Black History in Florida’s Curriculum Standards." Scholar Commons, 2016. http://scholarcommons.usf.edu/etd/6549.

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As education focuses increasingly on standards based assessment, social studies must be examined for its integration of Black History in the United States History curriculum. Using a Critical Race Theory lens, this directed content analysis attempts to examine the Florida Standards for United States History to determine if and how Black History is integrated into United States History courses. The study also makes use of Banks’ (1994) “levels of integration” to explore the degree to which this is accomplished. In addition, lesson plans created and/or endorsed by the state of Florida are analyzed for their inclusion of Black History. Data and analysis from this study demonstrate that while Black History is integrated to varying degrees across the K-12 United States History Florida Standards, the “levels of integration” (Banks, 1994) and topics covered do not offer a complete historical narrative. Similarly, while the lesson plans approved by the state of Florida often reflect a higher “level of integration” (Banks, 1994) and historical understanding, the limited topics of slavery and the Civil Rights Movement prevent students from seeing the development of Black History across the continuum of United States History. Further, the findings suggest that standards should be developed that directly address the role race and racism play in the development of the United States. These findings can be useful to both administrators and teachers looking to develop standards which help form an accurate historical understanding of the development of the United States. The study recommends that United States History courses and state standards in United States History focus on the role racism has played in developing the United States, include the voices of people of color, and focus on social justice in the United States History curriculum

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15

Schwarz, Kristin. "The private as political : an exploration of Zora Neale Hurston's representation of sexuality in their eyes were watching god and seraph on the Suwanee /." May be available electronically:, 2007. http://proquest.umi.com/login?COPT=REJTPTU1MTUmSU5UPTAmVkVSPTI=&clientId=12498.

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16

Durden, Alyssa Shank. "Suburban Revisions." Thesis, Georgia Institute of Technology, 2005. http://hdl.handle.net/1853/7118.

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The word revise means to reconsider or modify as with text. If we think of the suburban landscape as a text, the culture of each era left documentation of their values, policies and way of life in the form of transportation networks and other infrastructure, such as Main Streets, squares and public buildings. While evidence of most of the everyday life of individuals of every era gets erased by the following era, infrastructure investments of each era are adaptively reused and remain to tell the story. This thesis documents the adaptive reuse of these suburban frameworks and develops a proposition for the appropriate next layer to accommodate a new culture of inhabitants. Focusing on second generation suburbs, using Gwinnett County as a case study, this analysis identifies three problems of the current suburban situation: the problem of abandoned strips, a demographic shift, and the need for place. As new strip highways develop, old strips decline leaving abandoned shopping centers and declining property values. New development continues to move north and out of the county, and middle class residents, for which existing auto-oriented suburbs were created, move as well. A new, poorer, and more ethnically diverse population inherits the auto-oriented landscape left behind. This phenomenon is particularly concentrated along the southern portion of the Buford Highway corridor. Those with more money move closer to new development, while those with less money have less choice and are found near declining strips with fewer services, poorer quality housing and lower quality of life. Finally, county officials have expressed a desire for defining "the epicenter of Gwinnett." I believe that there is no one "center" of Gwinnett, but a series of places defined by memory, design or events. I propose to improve the situation of these three problems with a light rail line that connects existing places and creates new walkable, livable places to improve quality of life. This connective piece will serve as a social condenser in lieu of a center, provide links between polar populations, and reactivate declining strips while creating a sustainable infrastructural spine for future growth in the region.

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