Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 203 for “"coastal waters"”.
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Copper speciation in estuaries and coastal waters
… of Cu ligands for buffering Cu toxicity in coastal locations with freshwater inputs. However, fieldwork in coastal waters with large inputs of both Cu and suspended colloids (Boston Harbor, Narragansett Bay, and two ponds on Cape Cod) shows that some Cu present in these samples is inert to …
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Satellite indices of fluvial influence in coastal waters
… distribution of terrestrial constituents in coastal environments. The covariance between riverine delivery of optically active constituents and the corresponding optical variability in neighboring coastal waters for the Mississippi and Orinoco Rivers is documented. From this work, …
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Bioavailability of dissolved organic matter in coastal waters
… to bacterial production in the adjacent waters. It is shown that BDOM produced in the Ría de Vigo, with a half life time of 1.9 - 3.3 days, is significantly more labile than that produced in Loch Creran, with a half life time of 6 - 13 days.<br/>A fraction of DOM is coloured containing a …
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Investigating change in toxic algae in Scottish coastal waters
Toxin-producing algae naturally occur in Scottish coastal waters. Despite decades of research into harmful algal blooms (HABs), the environmental drivers remain uncertain and inconclusive. Further understanding and knowledge of the relationships between environmental variables and HAB occurrence …
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Drift modelling of marine mammal carcases in coastal waters
… framework for marine mammal carcases in coastal waters. The resulting models were run forwards and backwards in time to provide insights into strategies for environmental monitoring under two scenarios. The first explored the beach search options for carcases resulting from potentially …
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IN SITU MEASUREMENT OF TRACE METALS IN COASTAL WATERS
… sources, sinks and roles in estuaries and near coastal zones, their general characteristics and the importance of their behaviour in estuaries. Filtration and commonly used analytical methods for trace metals detemriinations in natural waters are also discussed. Chapter 2 highlights the …
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Characterizing the Persistence of Sewage Enterococci in Mississippi Coastal Waters
… and target sequence decreased >87% in surface waters. Conversely, enterococci grew >25 folds at the bottom of the water column after four days. The diversity of sewage and environmental isolates was similar during summer months. However, the diversity of sewage isolates declined in cooler …
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Physical constraints on phytoplankton in estuaries and shallow coastal waters
… suggested that migrations into the surface waters were linked with periods of water column stability and not triggered by surface irradiance.The unique tidal regime that governs the physical mixing processes in Southampton Water translates into periods of stability separated in time by …
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Biogeochemical drivers of microbial methane removal in eutrophic coastal waters
Contains fulltext : 310766.pdf (Publisher’s version ) (Open Access)
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Particle-Water Interactions of Ni and Zn in Coastal Waters
… and sediment were collected from the Humber coastal zone during six seasonal and inter-annual surveys (November 1993 - July 1995) on board RRS Challenger as part of the NERC Land Ocean Interaction Study (LOIS) initiative. Concentrations of Ni, Zn, Fe and Mn, extracted using a 1M HCl digest, …
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Two-phase Flow Modelling of Mud Flocs Sedimentation in Coastal Waters
… as on continental shelves, at estuaries and in coastal waters. Various engineering problems such as siltation of navigation channels and polluting coastal environment can be caused by the cohesive sediments. To solve these problems, field/lab experiments and numerical models are widely used to …
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Mating interactions of the harmful dinoflagellate alexandrium tamarense from UK coastal waters
… non-toxic Group III isolates primarily from UK coastal waters. Study of the effect of temperature on the mating interactions of A. tamarense Group I and Group III in culture showed that temperature had a significant effect on both groups. Co-cultures of compatible Group III isolates showed a …
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Determining potential for pollutant impacts in dynamic coastal waters: comparing morphological settings
The coastal focus and beach culture of Australia’s population in general, and the people of New South Wales in particular, mean that coastal systems are both highly prized and subjected to great pressures. The vast majority of the wastewater generated by the 7.3 million people of New South Wales is …
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Spatial ecology of adult spotted seatrout, Cynoscion nebulosus, in Louisiana coastal waters
… Cynoscion nebulosus, are common in estuaries and coastal waters of the south Atlantic and Gulf of Mexico and are of considerable recreational and economic importance. Still, the spatial ecology of this species is under-studied and poorly resolved, especially in Louisiana waters. To address this …
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A systems approach to managing nutrient pollution in Cape Cod's coastal waters
Pressing problems are facing the coastal waters of the world due to the growing human activity. Increasing population and economic development around coastal areas have left many embayments throughout the world severely impaired. Excessive nutrient enrichment in water bodies, also known as nutrient …
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Turbulent combined wave-current boundary layer model for application in coastal waters
… processes, including sediment transport, in the coastal environment is impossible without correct current velocity and shear stress information. A combined wave-current boundary layer theory is necessary to predict these quantities, and while the previous Grant-Madsen type boundary layer models …
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Trojan horses in the marine realm: characterizing protistan parasite ecology in coastal waters
… Syndiniales are both abundant and ubiquitous in coastal and open ocean environments, suggesting a major role for this taxon in marine food webs. Two coastal sites, Saanich Inlet (Vancouver Island, BC) and Salt Pond (Falmouth, MA, USA) were selected as model ecosystems to examine the impacts of …
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