Made available in DSpace on 2015-05-14T12:17:00Z (GMT). No. of bitstreams: 1 arquivototal.pdf: 6878309 bytes, checksum: 6058c39fd583a4322f9a05d01047b337 (MD5) Previous issue date: 2009-09-25 / Coordenação de Aperfeiçoamento de Pessoal de Nível Superior / The coastline of the municipality of João Pessoa (PB) extends for about 25 km, consisting of a succession of open bays and sandy spits cuspate foreland, these generally associated to the shelter of the rocky reefs (beach rocks) and / or seaweed / coral reefs. Similar to other coast regions of the globe, the coast of Paraíba shows processes of coastal erosion at various levels, resulting from a complex web that links natural and social elements. This research aims to comprehend and quantify the variations of coastal dynamic on the beaches of Seixas and Penha-PB, as well as, interference from the relation between society and nature in this environment, with reference to the process of urbanization and tourism in João Pessoa. The theoretical and conceptual basis is based on the systems theory, in the discussion of the relation of hostile reciprocity between society and nature, in order to understand the origins of environmental degradation, especially of coastal erosion on these beaches. The methodological procedures used for preparation of this work were: survey on specific literature and documents, stages of field and laboratory. The literature review focused on the search for and understanding of the concepts of nature, complexity and place. As well, we research the current concepts that permeate the literature inherent in Coastal Geomorphology, seeking dialogue with authors of Geography and related fields. The stages of field and laboratory were complementary, at this stage we monitor the vertical morphological variations of short-term (Beach Profile), from three points along these beaches, raised data related to the hydrodynamic (wave height, wave period, speed of coastal current, direction of the current drift, wind speed, temperature, and humidity), we collected sediment samples in three beach compartments (shoreface, foreshore and backshore) for then, in the laboratory, we carry out the analysis of sediments, finally, designed the characterization of the natural elements that influence coastal dynamics. The above-mentioned survey covered: geology, geomorphology, soils, vegetation, hydrography, and the elements of weather. With regard to social aspects, we discuss the process of urbanization in the coastal area of João Pessoa with emphasis on human settlements and its environmental impacts on the edge; we treat the tourist attraction rate on the beaches of Penha and Seixas through interviews and questionnaires conducted with tourists, travel agents and locals, which amounted a total of 65 questionnaires on the beach of Penha and 75 at beach of Seixas, where the main objective was to determine the origin of locomotion of this public and the elements which attract them to those beaches. The compiled data showed a erosive tendency for these beaches, where the uncontrolled urban occupation of the coastal zone and the tourism contribute to aggravate the problem, as the urban elements occupy areas belonging to coastal dynamics and do not comply with environmental laws. / O litoral do município de João Pessoa (PB) estende-se por aproximadamente 25 Km, constituído por uma sucessão de enseadas abertas e pontais arenosos (cúspides), geralmente associados ao abrigo dos recifes rochosos (beach rocks) e/ou recifes algálicos/coralíneos. Semelhante a outras regiões costeiras, o litoral paraibano apresenta processos de erosão costeira em vários níveis, decorrentes de uma teia complexa que articula elementos naturais e sociais. A presente pesquisa tem por objetivo compreender e quantificar as variações da dinâmica costeira nas praias da Penha e do Seixas-PB, bem como, as interferências resultantes da relação sociedade e natureza nessas praias, tomando como referência o processo de urbanização e o turismo em João Pessoa. A base teórico-conceitual fundamenta-se na teoria dos sistemas, na discussão da relação de reciprocidade hostil entre a sociedade e a natureza, a fim de compreender as origens da degradação ambiental, mormente da erosão costeira nas referidas praias. Os procedimentos metodológicos utilizados para elaboração do presente trabalho consistiram em: pesquisa bibliográfica e documental, etapas de campo e de laboratório. O levantamento bibliográfico enfocou a busca e compreensão dos conceitos de natureza, complexidade, e lugar. Além disso, pesquisamos os conceitos atuais que permeiam a literatura inerente a Geomorfologia Costeira, procurando dialogar com autores da Geografia e áreas afins. As etapas de campo e laboratório foram complementares. Nesta etapa monitoramos as variações morfológicas verticais de curto prazo (perfil praial) a partir de três pontos ao longo das referidas praias, levantamos dados relativos à hidrodinâmica (altura de onda, período de onda, velocidade da corrente litorânea, direção da corrente de deriva, velocidade dos ventos, temperatura, e umidade), coletamos amostras de sedimentos em três compartimentos praiais (antepraia, estirâncio e pós-praia) para depois, em laboratório, realizarmos a análise sedimentológica, por fim, elaboramos a caracterização dos elementos naturais que influenciam na dinâmica costeira. O referido levantamento abrangeu: geologia, geomorfologia, solos, vegetação, hidrografia, e os elementos do clima. No tocante aos aspectos sociais, abordamos o processo de urbanização na zona costeira de João Pessoa com ênfase para o incremento populacional e seus impactos ambientais na orla; tratamos do índice de atratibilidade turística na praia da Penha e do Seixas por meio de entrevistas e questionários realizados com turistas, agentes de turismo e moradores do lugar perfazendo um total de 65 questionários na praia da Penha e 75 na praia do Seixas. O objetivo precípuo foi averiguarmos a origem do deslocamento desse público e os elementos que o atraem para as referidas praias. Os dados compilados demonstraram uma tendência erosiva para as referidas praias, onde a ocupação urbana desordenada da zona costeira e o turismo contribuem para agravar o problema, na medida em que os elementos urbanos ocupam áreas que pertencem à dinâmica costeira e não respeitam as leis ambientais vigentes.

Made available in DSpace on 2015-03-13T17:08:29Z (GMT). No. of bitstreams: 1 EduardoQL_DISSERT.pdf: 4709527 bytes, checksum: f9ff59586e36897a8c69ebe84add9230 (MD5) Previous issue date: 2010-07-30 / Conselho Nacional de Desenvolvimento Cient?fico e Tecnol?gico / This work presents a study on the environmental vulnerability of the coastal region of Pititinga, Rio do Fogo/RN. The coastal erosion of Pititinga beach was analyzed and considerated as one more process that produces environmental vulnerability in the area of study, taking into account its human and natural environment and establishing the relation between them, to understand the arrangement that produced its spatial configuration. The natural environment was expressed by thematics maps with geology, geomorphology, vegetation and soil themes, while the human environment was expressed by the use and occupation of the soil map. The coastal erosion was put in an erosion vulnerability map. The methodological procedure to generate the thematics maps, vulnerability maps and of the erosion coastal involved the bibliographic research, field visits with check-list form fill, collect and analysis of sediment sample, photo-interpretation techniques, integration of the information in a database, data store and spatial analysis in a Geographic Information System (GIS) ambient. The natural vulnerability map shows a predominancy of environments with low (29,6%) or medium (42,4%) vulnerability, pointed the frontal and mobile dune as the areas with the highest vulnerability. The environmental vulnerability map, presents a predominancy of environments with low vulnerability (53,8%), with the high vulnerability concentrated on Pititinga community. The coastal erosion vulnerability presented distinct behaviors on three sections among the coastal line according each one characteristics. Where there are frontal and transgressive dunes, vulnerability are, generally, medium or low, respectively, and in the absence of them, as what occurs in Pititinga community, the vulnerability is predominately very high / Este trabalho apresenta um estudo sobre a Vulnerabilidade Ambiental da regi?o costeira de Pititinga, Rio do Fogo/RN. A eros?o costeira da praia de Pititinga foi analisada e considerada como mais um processo que gera vulnerabilidade ambiental na ?rea de estudo, considerando seu meio natural e humano e estabelecendo a rela??o entre eles, para compreender os arranjos que produziram a sua configura??o espacial. O meio natural foi expresso por meio de mapas tem?ticos envolvendo os temas geologia, geomorfologia, vegeta??o e pedologia, enquanto que o meio antr?pico foi expresso pelo mapa de uso e ocupa??o do solo. A eros?o costeira foi cartografada em um mapa de vulnerabilidade ? eros?o. O procedimento metodol?gico para gerar os mapas tem?ticos, os mapas de vulnerabilidade natural e ambiental e da eros?o costeira envolveu o levantamento bibliogr?fico, visitas a campo com preenchimento de check-list, coleta e an?lise de amostras de sedimentos, t?cnicas de fotointerpreta??o, integra??o das informa??es em uma base de dados e armazenamento e an?lise espacial em um ambiente de Sistema de Informa??es Geogr?ficas (SIG). O mapa de vulnerabilidade natural apontou para um predom?nio de ambientes com vulnerabilidade baixa (29,6%) e m?dia (42,4%), destacando as dunas frontais e m?veis com as ?reas de maior vulnerabilidade. J? o mapa de vulnerabilidade ambiental, apresenta um predom?nio de ambientes com vulnerabilidade baixa (53,8%), estando a vulnerabilidade alta concentrada sobre a vila de Pititinga. A vulnerabilidade ? eros?o costeira apresentou comportamentos distintos em tr?s trechos ao longo da linha de costa de acordo com as caracter?sticas de cada um. Quando ocorrem dunas frontais e transgressivas as susceptibilidades s?o, em geral, m?dia e baixa, respectivamente, e quando da aus?ncia destas, como ocorre vila de Pititinga, a vulnerabilidade ? predominantemente muito alta

Dissertação(mestrado) - Universidade Federal do Rio Grande, Programa de Pós-Graduação em Gerenciamento Costeiro, Instituto de Oceanografia, 2012. / Submitted by Cristiane Gomides (cristiane_gomides@hotmail.com) on 2013-09-19T19:00:11Z No. of bitstreams: 1 rossana.pdf: 3764684 bytes, checksum: 673b205e7d0563ce203d56d05249d055 (MD5) / Approved for entry into archive by Sabrina Andrade (sabrinabeatriz@ibest.com.br) on 2013-10-17T17:47:35Z (GMT) No. of bitstreams: 1 rossana.pdf: 3764684 bytes, checksum: 673b205e7d0563ce203d56d05249d055 (MD5) / Made available in DSpace on 2013-10-17T17:47:35Z (GMT). No. of bitstreams: 1 rossana.pdf: 3764684 bytes, checksum: 673b205e7d0563ce203d56d05249d055 (MD5) Previous issue date: 2012 / Este trabalho trata de inserir os Planos de Manejo de Dunas no contexto do Gerenciamento Costeiro Integrado, buscando dessa forma integrá-los nas políticas públicas dos municípios analisados, utilizando as ferramentas das quais o Plano Nacional de Gerenciamento Costeiro (PNGC) dispõe, que vão desde as articulações políticas que são a base para a Gestão até o uso das geotecnologias no manuseio dos dados. Diante do exposto a idéia é utilizar os Planos de Manejo de Dunas como um instrumento base para a elaboração dos Planos de Gestão Integrada da Zona Costeira. O trabalho demonstrou que o uso de da ferramenta de Sistema de Informação Geográfica foi de grande utilidade tanto na fase de elaboração dos Planos como na apresentação destes em audiências públicas. Além desse resultado ficou claro que para que a gestão integrada desse trecho da zona costeira depende não só de vontade política ou de alguma demanda da sociedade, mas sim de uma melhor articulação e integração entre as políticas públicas e os órgãos gestores municipais, estaduais e federais / This study is entering the Dune Management Plans in the context of Integrated Coastal Management, seeking thereby to integrate them into public policies of the municipalities analyzed using the tools of which the National Plan of Coastal Management (PNGC) states, ranging from joints policies that are the basis for management by the use of geo-technologies in data handling. In this light the idea is to use the Dune Management Plans as a basic instrument for the preparation of Management Plans Integrated Coastal Zone. The study demonstrated that the use of the tool Geographic Information System was useful both in the preparation of plans and their presentation in public hearings. In this result it became clear that for the integrated management of this stretch of the coastal zone depends not only on political will or some demands of society, but better coordination and integration between public policies and municipal agencies, state and federal.

FundaÃÃo Cearense de Apoio ao Desenvolvimento Cientifico e TecnolÃgico / Nas Ãltimas dÃcadas, a zona costeira cearense caracteriza-se pelo processo de valorizaÃÃo, o que fez surgir pontos de conflitos no uso do espaÃo. O turismo inseriu-se como um fator no processo de reproduÃÃo social, criando novas relaÃÃes sociedade-espaÃo. Essa prÃtica concentrou-se, inicialmente, na faixa litorÃnea, transformando a natureza e as culturas locais em bens de consumo. Os conflitos pela posse da terra tornam-se frequentes entre especuladores imobiliÃrios, empreendedores turÃsticos e comunidades pesqueiras que veem o seu modo de vida e o direito ao territÃrio ameaÃados pela construÃÃo de empreendimentos, principalmente turÃsticos. Por isso desencadearam, desde os anos 1980, movimentos de resistÃncia. O processo de organizaÃÃo comunitÃria se destaca por formas complementares de geraÃÃo de renda, que fez emergir a necessidade de um canal de articulaÃÃo das comunidades envolvidas na construÃÃo do turismo comunitÃrio. Assim, em 2006, foi articulada por oito comunidades, um povoado litorÃneo e trÃs nÃcleos de apoio à Rede Cearense de Turismo ComunitÃrio â Rede Tucum. Reconhecer o movimento de organizaÃÃo das associaÃÃes e grupos comunitÃrios à preponderante para a manutenÃÃo das atividades tradicionais relacionadas ao turismo comunitÃrio. Analisar como as comunidades pesqueiras desenvolvem o turismo comunitÃrio e identificar as experiÃncias da Rede Tucum nas comunidades participantes sÃo os objetivos desta pesquisa. Na investigaÃÃo foram utilizados procedimentos relacionados a pequisa-aÃÃo, tendo na participaÃÃo em eventos como as assembleias anuais e reuniÃes colegiadas da Rede Tucum, oficinas e rodas de conversas nas comunidades a possibilidade da identificaÃÃo de construÃÃo coletiva, a aproximaÃÃo com o tema proposto, o que serviu de base para a anÃlise da realidade do turismo comunitÃrio no CearÃ. / In the last decades, the Coastal Zone of Cearà is characterized by a recovery process, which has raised spots of conflicts in the use of space. Tourism becomes itself a factor in the process of social reproduction, creating new space-society relationship. This practice has focused initially on the coast, changing environment and local culture into consumer goods. Conflicts for the command of the land become common among land speculators, touristic businessmen and fishing communities who see their way of life and the right to the territory threatened by construction projects, especially touristic ones, and started from the 1980s, resistance movements. The process of community organization is highlighted by additional ways of generating income, which gave rise to the need for a channel to link the communities involved in the construction of community tourism. Thus, in 2006, articulated by the eight communities, one coastal town and three supporting cores, the CearÃâs Community Tourism Network â Rede Tucum. Recognizing the organizationâs movement of associations and community groups is preponderant to maintain the activities related to community tourism. Analyze how the fishing communities develop community-based tourism experiences and identify the network Tucum in participating communities are the goals of this research. In this research were used proceedings related to action-research, plus the participation in events such as annual meetings, collegial meetings, workshops and rounds of conversations in the communities the opportunity of collective construction, the approach to the proposed theme, which served as background for the analysis of the reality of community-based tourism in CearÃ.

The overall aim of this thesis, as required by the funders, was to provide research that would contribute towards the development of a bay management plan, specifically information on the local fisheries. The thesis therefore includes an assessment of the local shore-based linefishery in terms of catch and effort and socio-economics, and the development of indicators from this information with which to assess the sustainability of the fishery. Finally an implementation strategy for an integrated coastal management approach for local resource governance is proposed The shore-based linefishery of Plettenberg Bay was assessed through a combination of roving creel and access point surveys which included questions aimed at the quantification of total effort, total catch and cpue, as well as the spatial trends in catch and effort. Angler demographics as well as opinions and knowledge of current fisheries regulations were obtained and the efficiency of the fishery inspectorate was assessed. The survey period extended from August 2003 to September 2004 during which 1189 angler interviews were conducted. Catch data obtained during this study was compared to catch data gathered during a research tagging program conducted in an area closed to fishing (Tsitsikamma National Park) and a semi-open area (Rebelsrus – Cape St. Francis), thereby highlighting differences in species composition, abundance and size distribution of certain species between areas of differing fishing pressures. The fishery surveys revealed that the shore-based fishery is primarily recreational (99%) and dominated by white males. Most anglers agreed with the current fisheries regulations (60%) and admitted to abiding by them, however when tested on the regulations of their target species, their knowledge was poor. Effort in the fishery was highly seasonal with peaks coinciding with major school holidays. Total annual effort was estimated at 102 566 angler-hours, with distinct spatial patterns in effort. Total annual catch for the Plettenberg Bay shore-based linefishery was estimated at 31 217 fish.year⁻¹ with a total mass of 13.6 tons. Thirty-six fish species (26 teleost species and 10 elasmobranchs species) were identified during the survey period with Blacktail Diplodus capensis, Strepie Sarpa salpa, Red tjor-tjor Pagellus natalensis, Shad Pomatomus saltatrix and Sand steenbras Lithognathus mormyrus being the five most commonly caught species. Only 32% of interviewed anglers were successful in catching a fish with just 22% catching their primary target species. In addition, a large proportion of the anglers (69%) reported a decline in catch rate, with most blaming the commercial sector as a reason for the decline. The overall catch rate was (cpue) 0.374 fish.angler.hour⁻¹ or 170 grams.angler.hour⁻¹, considerably lower than that obtained from the fishery exempt area (TNP = 1. 02 fish.angler.hour⁻¹) and the partially exploited area (Rebelsrus = 0.91 fish.angler.hour⁻¹). In terms of species composition the most obvious difference between the three areas was the low proportion of non-migratory reef-associated species like red roman, poenskop, John brown, santer and bronze bream in Plettenberg Bay. Size comparisons revealed that the majority of species (particularly reef-associated species) were larger in the TNP than both the semi-exploited (Rebelsrus) and exploited area (Plettenberg Bay). Collectively theses findings suggest that certain species have been locally depleted, that recreational fishing has impacted heavily on the fish stocks and that even partial closure or limited access to an area can offer protection. From the results key issues were identified and sustainability indicators proposed according to the three sustainability domains (ecological, institutional and social) proposed by Pajak (2000). Within the ecological domain the most pertinent issue was the low catch rate, particularly for reef-associated species. Indicators to track these issues included: percentage of successful trips (where fish were caught), percentage of anglers that reached their daily bag limits and the proportion of the overall catch that comprised larger, more desirable species. Institutionally the most pertinent issue was the apparent inability of management institutions to manage effectively marine resources within Plettenberg Bay. Indicators within this domain included the proportion of anglers who were inspected, the existence of a localised management plan and an associated monitoring programme. Socially the fishery proved to be fairly sustainable. Indicators included in this domain were the proportion of subsistence anglers in the local fishing community, the percentage of correct answers pertaining to current fishery regulations, the level of noncompliance and the percentage of undersize fish retained. Aggregation of all the indicators within a sustainability matrix revealed that the Plettenberg Bay shore-based linefishery was unsustainable and thus requires increased local management effort. Since there is no local management strategy in place, an integrated coastal management approach for the governance of the coastal resources in Plettenberg Bay has been proposed. The development of a Coastal Management Plan and a subsidiary Bay Management Plan provide the frameworks within which management strategies can be put into operation.

No description available.

Thesis (M.E.S.)--The Evergreen State College, 2009. / Title from title screen (viewed 10/21/2009). Includes bibliographical references (p. 112-118).

Thesis (MScEng (Civil Engineering))--University of Stellenbosch, 2011. / ENGLISH ABSTRACT: The hypothesis postulated in this research, namely that the effectiveness of natural and constructed buffer dune systems can be assessed by a set of indicators that defines the integrity of the dune system and triggers informed management decisions, was evaluated and proved to be essentially true. Two key objectives, namely (1) the identification of key indicators that define the buffer dune integrity; and (2) the development of a scientifically defendable and practical checklist-based method of gathering qualitative information on the identified key indicators so as to guide decision-making at municipal level formed the core of the study. The six dune integrity indicators that collectively define the risk profile of a particular site along the Southern Cape coastline are (1) the degree of protection from prevailing wave energy, (2) the characteristics of the dominant winds and sand supply during the dry season, (3) the relative height of the foredune, (4) the degree of pressure on the buffer dune due to humans, (5) the vulnerability of the type of coastline to erosion, and (6) the coastline stability considering the prevailing coastal processes. The first two indicators relate to the natural (permanent) characteristics of the site and can be defined by experts and presented in the form of a risk and vulnerability atlas layer for direct use by non-experts. The third and fourth indicators relate directly to the implementation of proactive assessment and appropriate management actions to ensure a high level of buffer dune integrity. The last two indicators allow for management intervention to reduce the vulnerability but may entail costly engineering solutions and require expert input. A conceptual risk profile assessment procedure and a decision support guideline incorporating these indicators were developed and evaluated for relevance and practicality through a series of workshops with municipal officials along the south coast of South Africa. It was seen that although some initial basic training may be required, carrying out rapid assessments of the environmental status of key components of an identified human–nature system, such as a buffer dune, is practical and achievable by non-experts. / AFRIKAANSE OPSOMMING: Die hipotese wat in hierdie navorsing gepostuleer is, naamlik dat die doeltreffendheid van natuurlike en geboude bufferduinstelsels geassesseer kan word deur ’n stel aanwysers wat die integriteit van die duinstelsel bepaal en ingeligte bestuursbesluite tot gevolg het, is getoets en bewys hoofsaaklik waar te wees. Twee sleuteldoelwitte, naamlik (1) die identifisering van sleutelaanwysers wat die bufferduinintegriteit bepaal; en (2) die ontwikkeling van ’n praktiese kontrolelys-gebaseerde metode wat wetenskaplik verdedigbaar is om kwalitatiewe inligting oor die geïdentifiseerde sleutelaanwysers in te samel ten einde besluitneming op munisipale vlak te bevorder, vorm die kern van die studie. Die ses duin-integriteitsaanwysers wat gesamentlik die risikoprofiel van ’n bepaalde terrein langs die kuslyn bepaal, is (1) die graad van beskerming teen die heersende golfenergie, (2) die kenmerke van die dominante winde en sandbron gedurende die droë seisoen, (3) die relatiewe hoogte van die voorduin, (4) die graad van druk op die bufferduin as gevolg van mense, (5) die eroderingskwesbaarheid van die soort kuslyn, en (6) die kuslynstabiliteit met inagname van die kusprosesse. Die eerste twee aanwysers het betrekking op die natuurlike (permanente) eienskappe van die terrein en kan deur kundiges bepaal word en in die vorm van ’n kaart in ’n risiko-enkwesbaarheidsatlas aangebied word vir direkte gebruik deur niedeskundiges. Aanwysers 3 en 4 hou direk verband met die implementering van tydige en deurlopende proaktiewe assessering en gepaste bestuursaksies om ’n hoë vlak van bufferduinintegriteit te verseker. Aanwysers 5 en 6 bevorder bestuursaksies om kwesbaarheid te verminder, maar kan moontlik duur ingenieursoplossings inhou en kundige insette benodig. ’n Konseptuele risikoprofielassesseringsprosedure en ’n besluitondersteuningsriglyn wat die aanwysers insluit, is ontwikkel en geëvalueer vir toepaslikheid en uitvoerbaarheid deur ’n reeks werkswinkels met munisipale amptenare aan die suidkus van Suid-Afrika. Hoewel aanvanklike basiese opleiding nodig kan wees, bly dit dat vinnige assessering van die omgewingstatus van sleutelkomponente van ’n geïdentifiseerde mens–natuurstelsel, soos ‘n bufferduin, prakties en haalbaar deur niedeskundiges is.

<p>Fresh groundwater quality and availability in coastal areas is affected by seawater intrusion into coastal aquifers, and coastal water quality and ecosystem status may be significantly affected by groundwater pollutants that are transported into coastal waters by submarine groundwater dis-charge (SGD). This thesis uses an overall regional perspective for investigating: i) seawater intru-sion and its possible control in sustainable coastal groundwater management; ii) SGD and its relevant quantification as one interacting part among the diverse main regional pathways of freshwater and tracer/pollutant inputs from land to sea; and iii) the integrated system functioning of both i) and ii) as main components of the same coastal groundwater system.</p><p>Results show that intensive pumping rates may be maintained for a long time before major re-gional seawater intrusion problems are recognized by too high salinities in pumped groundwater. After such late recognition, pumping wells are no longer useful and a common strategy of mov-ing groundwater pumping further upstream from the coast only increases the extent of the salt-water intrusion zone into the aquifer. An alternative strategy may be to control seawater intrusion through artificial groundwater recharge, for instance by sufficiently treated wastewater, which may considerably reduce long-term trends of salinity increase in pumped groundwater, even for small artificial recharge rates compared to pumping rates. In general, account for natural spatial-temporal variability and randomness may be essential for relevant prediction of groundwater dynamics for management purposes. Spatial and temporal randomness effects, however, may not be additive, but rather largely overlapping, with either spatial or temporal randomness being the dominating part that must be accounted for in predictive groundwater dynamics calculations. Aquifer depth is identified as an important control parameter in this context, yielding much greater temporal randomness effects in shallow than in deep aquifers.</p><p>Combined simulation results suggest a simple, approximately linear regional relationship between total SGD and its hydrologically determined freshwater component. Tidal oscillation may signifi-cantly affect such linear dependence of steady-state SGD, but primarily for low SGD conditions. High SGD appears to depend mainly on a dominant freshwater component, which effectively counteracts density-driven flow of seawater into the aquifer and thus decreases also effects of sea-level oscillation on the seawater component of total SGD. Comparative analysis between different SGD estimation methods in different reported high-SGD regions of the world indicates possible anomalously large regional SGD estimation from tracer concentrations in coastal waters, by confusing different main pathways of groundwater flow and pollutant inputs to the sea.</p>

Benthic foraminifera are exceptional organisms with distinctive features that allow for interpretation of both past and present environmental conditions. Some benthic foraminifera are widely distributed while some are restricted to specific environments due to their way of life. Foraminiferal assemblages south of Biscayne Bay and north of Cape Canaveral have previously been investigated; however, a gap exists in data covering a transitional zone along the Florida coast between the tropical waters of the western Atlantic and the cooler coastal waters along the North American coast. The purpose of this study was to collect baseline data on the benthic foraminifera of the small marine environment off of Pompano Beach that falls within this zone. This environment has a very particular relict reef system that includes a near-shore ridge complex, the unique foraminiferal assemblage of which has not been documented. Thirteen rubble samples were collected from this near shore ridge complex between October 2013 and April 2015 from depths of 2.5m – 9m. Abundances and diversity indices were calculated, and multivariate analysis and SHEBI analysis carried out to summarize baseline data for the area. Substrate types and seasonal collections were compared with foraminiferal abundances to determine if benthic foraminifera diversity varied between the four substrate types found on the near-shore ridge and between wet and dry seasons in Florida. Results revealed a variation in abundances for both substrates and seasons with the dominant genera being Quinqueloculina, Laevipeneroplis, and Archaias. Multivariate analysis displayed dissimilarities between substrates colonized by corals and those that were uncolonized. Comparison of studies from surrounding areas revealed fewer, however similar, species and different dominant genera. Overall, this area has proven to be a different environment compared to surrounding coastal areas and merits further investigation. / Includes bibliography. / Thesis (M.S.)--Florida Atlantic University, 2016. / FAU Electronic Theses and Dissertations Collection