Osborne, IV, James F

This document seeks to establish a contemporary record of the nineteenth-century masonry fortifications of the Third System whose continued existence in Southeastern Louisiana is in peril. Designed and implemented in the years following the invasion of Washington, D.C. during the War of 1812 by Napoleon Bonapartes chief engineer, Louisianas coastal forts represent the pinnacle of European, pre-modern-warfare military architecture. With their obsolescence secured by advances in technology in the ...

Leung, Pak Tao

The Remote Anthropogenic Sensing Program was a five year effort (2001- 2005) to examine subsurface phenomena related to a sewage outfall off the coast of Oahu, Hawaii. This research has implications for basic ocean hydrodynamics, particularly for a greatly improved understanding of the evolution of turbulent patches. It was the first time a microstructure measurement was used to study such a buoyancy-driven turbulence generated by a sea-floor diffuser. In 2004, two stations were selected to repr...

Dugan, Hilary

This study aimed to understand annual and long-term chemical and physical processes that affect the development and state of coastal lakes in the Canadian High Arctic. The first major research project studied the formation of hypersalinity in a seasonally isolated marine basin (SIMB) located near Shellabear Point, Melville Island, Northwest Territories (75'N, 113'W). To quantify the role of brine rejection from a seasonal ice pan, an annual ice-formation model was applied, which incorporated s...

Gil Oviedo, Maria del Mar

This PhD project was designed to cover all the relevant issues of a restocking program for the meagre Argyrosomus regius in the Balearic Islands coastal ecosystems, ranging from the production of juveniles in captivity to monitoring survival into the wild. The long time needed by released meagres to adapt, around 3 months, seemed to imply high mortality. The reproductive study carried out with meagres in captivity conditions showed that age at maturity (i.e., 50% of probability to be mature) was...

Nadimi, Ilghelich

According to the Intergovernmental Panel on Climate Change report, “Adaptation to climate change is defined as, an adjustment in natural or human systems in response to actual or expected climatic stimuli or their effects, which moderates harm or exploits beneficial opportunities” (IPCC 2007). Adaptation is required due to the increase in the number of natural disasters and extreme changes in environmental conditions in coastal areas that are a function of sea level rise, floods, extreme heat, d...

Weldon, Jennifer

“Getting an overview” is a common task performed by coastal professionals in the early phases of management activities. This task involves collecting a variety of information about an area or topic to generate a first impression. This exploratory study examined this single task in detail so as to make recommendations about customizing search results to support that task through the use of an e-Card. Using a structured questionnaire, 20 coastal managers selected coastal characteristics that they ...

Lloyd, Michelle

Processes during the meroplanktonic phase regulate population dynamics for many marine benthic invertebrates. I examined changes in vertical distribution of different meroplanktonic larvae in a coastal embayment during a stable period, at high temporal frequencies and spatial resolutions. Plankton samples were collected at 6 depths (3, 6, 9, 12, 18, 24 m) using a pump, every 2-h over a 36- and a 25-h period, during a spring and neap tide, respectively, concurrently with measures of temperature, ...

van Hengstum, Peter

Underwater (phreatic) caves are a ubiquitous landform on coastal karst terrain, but the marine geological processes operating in these systems are largely unknown. This dissertation redresses the problem by asking if Bermudian phreatic cave sediments archive sea-level and climate information? An important premise is that coastal cave environments are not identical. They can be categorized based on whether they are terrestrially-influenced (anchialine), completely flooded by saline groundwater (...

WELCH, MARGARET OGDEN

Primary productivity was investigated for 24 months in a 404 ha cooling reservoir of a 530 MW electrical generating plant located on the Texas coastal plain. Carbon fixation was estimated in situ at 0.5 meters from the surface and in the laboratory by carbon-14 techniques. For 18 months phytoplankton community structure was analyzed for biomass, density and species diversity. Increased temperature stimulated the rate of carbon fixation. Average overall carbon fixation for the two-year study for ...

Lilliesköld Sjöö, Gustaf

Although macroalgae usually are inconspicuous on pristine coral reefs, they often thrive on reefs that are subjected to various types of anthropogenic disturbance. This thesis consists of five papers and investigates how biomass and composition of macroalgal communities on coral reefs are affected by regulating factors, such as nutrient availability, herbivory, substrate availability and hydrodynamic forces. In addition, ecological functions and potential impacts of both wild and farmed macroalg...

Mostofi Camare, Hooman

According to the IPCC (2007) fourth assessment report, small islands and coastal communities have a set of characteristics that makes them very vulnerable to climate change impacts, mainly sea-level rise and storm surges. Coastal hazards including inundation, salinisation of the water supply, and erosion threaten vital infrastructure that support coastal communities. Although Canada has the longest coastline in the world, little work has been done on impacts of climate change and adaptation to...

taiga@westnet.com.au, John Rich

Mass, solute (chloride), isotope (deuterium) and thermal balances were completed at Perry Lakes, two semi-permanent 'water table' lakes near Perth, Western Australia. All balance components except groundwater discharge/recharge were measured independently. These difficult to measure groundwater components of lake-aquifer interaction were estimated by integrating mass, solute and chloride data in sequential 4 day balances spanning two years. Before urbanisation, such wetlands functioned predom...

Salek@central.murdoch.edu.au, M D. Salequzzaman

Tidal power is a clean renewable energy. Furthermore, electricity is acknowledged as a key need for development. However, until recently, due to high capital costs and extensive environmental concerns, few tidal power plants are operative around the world. These problems are now being mitigated by the application of appropriate, modern practices and technologies. In particular the use of small scale technologies, innovative financing and the involvement of local communities creates the potential...

Hanson, Christine Elizabeth

[Truncated abstract] This work was the first large-scale biological oceanographic study to be undertaken in the coastal eastern Indian Ocean adjacent to Western Australia, and covered both northwest (Exmouth Peninsula to the Abrolhos Islands) and southwest (Cape Naturaliste to Cape Leeuwin) regions. The study area was dominated by the Leeuwin Current (LC), an anomalous eastern boundary current that transports tropical water poleward and prevents deep nutrients from reaching the surface by creati...

Pelletier, Laure

To study the impact of environmental changes in a coastal marine ecosystem, it is necessary to use indicator species. It is crucial to understand the foraging performances that proceed from environmental changes. The aim of my thesis was to examine the influence of intrinsic and extrinsic factors on the foraging activity of the little penguins (Eudyptula minor). The thermocline allowed birds to approach optimal behaviour. However, the thermocline is an unstable element. I did not find any effect...

Otis, David E.

A primitive equation model is used to simulate mesoscale ocean variability to verify the digital filter initialization (DFI) method of Lynch and Huang. The model is initialized with two different analytic density fields, a linear Rossby wave and a baroclinically unstable flow, and then integrated forward to produce control runs. Both simulations resulted in measurable ageostrophic currents and vertical motions. The density field at the end of the control runs was extracted and used by DFI to reg...

Corkill, Patrick W.

No description available.

Colden, Damian A.

No description available.

Martinez, Anthony A.

No description available.

O'Hara, John F.

No description available.

Edwards, Patrick Michael

<p>The Pacific Coastal ecoregion contains large tracts of economically important forestlands that also serve as critical stream habitat for endangered Salmonids. Excessive fine sediment deposition in streams of this region is a major environmental concern in the region but difficult to measure directly. The use of stream invertebrates to monitor fine sediment conditions in streams requires careful consideration of several important factors that complicate their use as bioindicators including hig...

Ialeggio, James Stephen

Freshwater diversions are a relatively recently utilized tool in wetland loss mitigation that stimulate an organic accretion response in marsh vegetation, which is based in root production and thus belowground biomass. The effectiveness of freshwater diversions in slowing marsh loss probably varies across a gradient of the factors they supply: decreased salinity, increased nutrient concentrations, and increased inundation. Flooding stress is commonly thought to be the overriding factor limiting ...

Joly, Antoine

The aim of this PhD thesis was to develop a model to predict the motion of algae in sea waters along a coastline. The method chosen was to use a large Eulerian industrial code to model the mean flow, and add Lagrangian model to predict the motion of individual particles. This Lagrangian modelis a three-step model. In the first modelling step, the mean flow characteristics at the location of the particles (solid bodies modelling the algae) are extracted from the Eulerian model and imputed into a ...

Mohammad, Bedoor Adel

Storms are considered one of the rapid climatic events that have a dramatic impact on coastal morphology, hence they require further investigation and quantifying of coastal changes and responses. Light detection and ranging (LiDAR) is the most advanced technology to be widely used by researchers for coastal geomorphological studies. The purpose of this study is to apply an object-based approach using repeated LiDAR surveys to understand the short-term morphological changes that occurred on Sant...

Mattos, Sérgio Macedo Gomes de

Los conceptos bioeconómicos modernos invocan la importancia de definir los derechos de propiedad posibles de ser llevados a cabo dentro del contexto de gestión. La investigación pesquera debe considerar las expectativas locales, en cuanto a los investigadores, administradores, mayoristas, las industrias, el público en general, y necesita volver al nivel de comunidades o pescadores. Partiendo de ese supuesto, realizase un análisis bioeconómico de la pesquería costera de Pernambuco, Nordeste de Br...

Vosloo, Wallace L. (Wallace Lockwood)

Thesis (PhD)--University of Stellenbosch, 2002. / ENGLISH ABSTRACT: The main aim of this research programme was to compare the relative performance of different insulator materials used in South Africa when subjected to a severe marine pollution environment. A test programme and procedure, test facility and instrumentation were established. Some novel instrumentation and monitoring equipment were developed and built specifically for this research programme, supported by data analysing sof...

Nadir, Daniel Clayton

Red alder (Alnus rubra, Bong.) has been identified as a potentially important species in the literature related to climate change in coastal British Columbia. This research project was conducted to address the question, “What steps are needed to develop an integrated hardwood supply chain in coastal BC?” Using multiple informant interviews, and combining these with secondary data sources and a social and historical context, the aim of this study was to generate recommendations on what steps woul...

Eurin, David

The circulation and cross-shelf exchanges in a coastal ocean are studied using a primitive equation, non-linear, two-layer model with irregular bathymetry. Tracer advection is evaluated with the Tremback-Bott transport scheme and a post-treatment of the transport fluxes to achieve monotonicity. During upwelling events, alongshore variability of the topography, which here is mostly confined over the shelf-edge, is shown to have a first order effect on the circulation. The topography generat...

Jaakkola, Jussi

The groundwater regimes of two coastal British Columbia field sites in landslide prone terrain have been assessed. The first site involved instrumentation of a landslide headscarp area with tensiometers and piezometers to characterize the groundwater regime over one year. Piezometers were designed and manufactured specifically for use in this project. Data collected from the study site indicate a highly variable distribution of storm-induced positive pore pressures across a small area. Field...

Loukas, Athanasios

A study of the precipitation distribution in coastal British Columbia is described and a technique is proposed for the reliable estimation of the frequency of rainfall generated floods from ungauged watersheds in the region. A multi-disciplinary investigation was undertaken encompassing the areas of hydrometeorology, meteorological modelling and hydrological modelling. Study components included analysis of long- and short-term precipitation in two medium sized watersheds located in southwestern ...

Brady, Michael Allen

Organic matter dynamics were investigated in the surface peat layer (acrotelm) in study sites traversing three raised ombrotrophic peat deposits, containing up to 3, 6 and 12 m, respectively, of peat located on the east coast of Sumatra, Indonesia. The three deposits were uniform in climate, topography, surficial geology and were under continuous forest cover. Increased peat depth and distance from the edge of the deposit was associated with important changes in species composition, structur...

Zhou, Bingning

The purpose of this study was to evaluate the dielectric properties (loss factor) of two British Columbian softwoods (western hemlock [Tsuga heterophylla (Raf.) Sarg.] and western red cedar [Thuja plicata Donn]) at different moisture content, temperature, and electric field strength levels. This study is expected to provide useful information for the development of a mathematical model to describe heat and moisture transfer mechanisms in wood during radio frequency/vacuum (RF/V) drying. Suc...

Riel, William G.

Knowledge of tree heights is important for classifying sites, projecting growth and yield and estimating stand volume. Tree height is expensive and time consuming to measure so samples should be taken in the most efficient way possible. The impact of different sample designs and sizes on the fitting of height-diameter equations and subsequent prediction of volume is explored in this thesis. Several different height-diameter equation forms were compared for estimating height in second growth...

Rathbun, Leah C.

The successional processes of the mixed-species Pacific coastal temperate rain forests of British Columbia (BC), Canada, are defined by gap dynamics, where small-scale disturbances, mainly due to windthrow, create openings in the canopy necessary for regeneration. Douglas-fir (Pseudotsuga menziesii var. menziesii (Mirb.) Franco) is the dominant, pioneer species in this area and western hemlock (Tsuga heterophylla (Raf.) Sarg.) and western redcedar (Thuja plicata Donn) are the late-successional,...

Wooton, Claire Evelyn

Yellow-cedar (Chamaecyparis nootkatensis) is currently undergoing a dramatic decline in western North America, with concentrated areas of decline located in southeast Alaska and coastal British Columbia. Recent research suggests that a shift in climate is responsible for the decline and a working hypothesis concerning the role of climate and site specific factors has been proposed. The main objective of this research was to contribute to the understanding of the yellow-cedar decline phenomenon b...

Zietsma, Charlene Ellen

This dissertation was motivated by a dramatic story of institutional change in the BC coastal forest industry after years of active resistance to such change. Individuals, organizations, stakeholders of those organizations, members of the organizational field, and changes in the broader external environment all played a part in bringing the change about. The highly publicized nature of the issue, and the 'extreme' characteristics of the setting offered a unique opportunity to address the re...

Drewitt, Gordon Bruce

Soils can store large quantities of carbon in the form of decaying organic matter originally derived from vegetation. In order to gain a better understanding of the importance of soils in the carbon cycle, it is necessary to examine processes that directly affect the exchange of carbon between the soil and the atmosphere. During the year 2000, measurements of forest floor CO₂ flux and below-ground CO₂ storage were obtained beneath the canopy of a 33-m tall coastal temperate Douglas-fir fore...

Taylor, Shawn D.

Mountain goats (Oreamnos americanus) in coastal British Columbia and Alaska use lower elevation forests during winter relative to other seasons. Although conventional radiotelemetry is one potential method for studying coastal goats, signal reflection, reliance on clear weather for relocations, and potential harassment of goats during critical winter or kidding periods, all present shortcomings. Global Positioning System (GPS) wildlife collars offer a potential solution to these problems, y...

Wong, Ann Yone

The purpose of the study was to investigate how the above-ground tree biomass components (stem, branches, and foliage) and the ratios between these biomass components change with age, site quality, initial spacing, and total stand volume. The species studied was coastal Douglas-fir (Pseudotsuga menziesii (Mirb.) Franco). To examine stands of various stand characteristics, virtual stands were generated from the Tree and Stand Simulator (TASS), a provincial growth and yield model. The stands ...

Fikart, Alena

Stormwater runoff from log yards in different BC regions can affect aquatic habitats to varying degrees given differences in weather, water quality and tree species. The objective of this thesis was to compare runoff quality and total runoff loadings from a coastal and interior log yard. Chemical analyses, toxicity tests and treatments were conducted. Data were compared to criteria, statistically compared between sites and assessed for seasonal trends. Export coefficients (ECs) were compare...

Bartlett, Karen Hastings

Potential determinants of exposure to culturable airborne fungal and bacterial aerosols and carbon dioxide were examined as an aid to the interpretation and evaluation of indoor air quality assessments. Concentration measurments for culturable bioaerosols and CO2 were evaluated against published standards and guidelines. METHOD: All 39 schools from one British Columbia school district were enrolled in the study to ensure different building ages and construction materials, but the same main...

Pellerin, Diane

Steep forested terrain in coastal British Columbia is typically dissected by V-shaped debris flow channels, or gullies. These steep, unstable slopes are important sources of sediment. Debris flows scour gully sidewalls, strip vegetation cover and leave mineral soils vulnerable to erosion. Accelerated sediment production persists for several years following a debris flow. However, little is known about the time frame for gully sidewall re-stabilisation or the associated decline in sediment p...

Lanthier, Kira

A method developed for the determination of picomolar levels of Ga, In, Zr and Hf in seawater is used to study the sources of these hydrolysis-dominated elements to the coastal surface waters of the California Current System (CCS), focussing mainly on the Columbia River and upwelling regions along the western coast of the United States. This thesis provides the first detailed measurements of Ga, In, Zr and Hf in the CCS. A resin extraction/preconcentration step featuring Chelex-100 was used...

Pezzolesi, Laura <1982>

The main goal of the present thesis was to study some harmful algal species which cause blooms in Italian coastal waters, leading to consequences for human health, coastal ecosystem, fishery and tourism. In particular, in the first part of this thesis the toxicity of Adriatic strains of the raphidophyte Fibrocapsa japonica was investigated. Despite several hypotheses have been proposed for the toxic mechanism of the raphidophytes, especially for the species Chattonella antiqua and C. marina, w...

Guarnieri-Minnucci, Antonio <1976>

The study of the impact of climate change on the environment has been based, until very recently, on an global approach, whose interest from a local point of view is very limited. This thesis, on the contrary, has treated the study of the impact of climate change in the Adriatic Sea basin following a twofold strategy of regionalization and integration of numerical models in order to reproduce the present and future scenarios of the system through a more and more realistic and solid approach. In ...

Simoncelli, Simona <1976>

A new Coastal Rapid Environmental Assessment (CREA) strategy has been developed and successfully applied to the Northern Adriatic Sea. CREA strategy exploits the recent advent of operational oceanography to establish a CREA system based on an operational regional forecasting system and coastal monitoring networks of opportunity. The methodology wishes to initialize a coastal high resolution model, nested within the regional forecasting system, blending the large scale parent model fields with th...

Wang, Jianjie

In this study, a rapidly east-coastal cyclogenesis event that took place during 3-4 October 1987 is investigated using a nested-grid version of the Penn State/NCAR mesoscale model (MM4) with a fine mesh grid size of 25 km. It is shown that the MM4 model reproduces reasonably well the growth of the cyclone from a coastal frontal zone, its subsequent track, intensity, circulation structures and its associated precipitation. It is found that the coastal cyclogenesis occurs in a favorable large-scal...

Carter, John. C.

Tessiarsuk (literally, 'Pretty Little Lake') has been known to the Eskimos of the Nain region of Northern Labrador for a number of generations as the habitat of a small wintering population of the Atlantic cod Gadus morhua. The first appearance in official records came as a result of the 'Blue Dolphin' expeditions of the 1950's: R.H. Backus in his publication 'The Fishes of Labrador' (1957) reports a visit to the lake on August 8, 1951, although he apparently did not enter with a boat and restri...

Atherley, Kenneth (Kenneth Andrew Nathaniel)

No description available.

Stavinga, Janet Maurine

The control exerted by underlying geological formations, topography and time in governing physico-chemical variability of shallow waterbodies is documented for Schefferville. Nouveau-Quebec and Igloolik Island, N.W.T. / The highly resistant siliceous bedrock of the Labrador Trough in the Schefferville area produced very dilute surface waters with more or less equivalent concentrations of major cations. Dolomitic limestone and dolostone on Igloolik Island resulted in highly mineralized surface wa...