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 693 for “"Sandy."”.
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COMMUNITY ECOLOGY OF CHILEAN SANDY BEACHES
… during May, 1978 to April, 1980 in an exposed sandy beach of southern Chile (Mehuin Beach, Bahia de Maiquillahue). Beach characteristics differed significantly during these years; i.e. more sand erosion and coarser sand occurred during the first year. The lowest abundances of the total …
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Permeability characteristics of fibre-reinforced Perth sandy soil
… used. Materials used in this study are Perth sandy soil, and locally available jute and waste tyre fibres. These materials were chosen because they are abundantly available in Perth area and surroundings. As for the waste tyre fibre, it was also chosen as a green approach to use waste …
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Sorption of chlorinated solvents in a sandy aquifer
Thesis (M. Eng.)--Massachusetts Institute of Technology, Dept. of Civil and Environmental Engineering, 1996.
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Sustainable ecological and recreational management of sandy beach systems
Sandy beaches are a primary focus of recreational and other pressures from growing coastal populations, and are major natural and economic assets for national and international tourism, but have not received adequate research attention prior to this study. Although the limited ecological research …
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Physical and biological factors structuring sandy beaches macrofauna communities
Previous sandy beach research described beach macrofaunal communities according to the swash exclusion hypothesis (SEH). This hypothesis stated that more species are present on fine grained, flat dissipative beaches due to a more benign swash climate. It suggested that, as beach morphodynamics …
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Distribution of phosphorus in sandy soils of coastal fynbos
The levels of soil phosphorus (both total and plant available) were investigated at the Pella intensive study site and were found to be low. Resin extractable phosphorus fluctuated seasonally, peaking at the soil surface during summer and declining to a minimum in the winter months. Rates of …
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Modeling the dynamics and depositional patterns of sandy rivers
… of sediment transport and flow resistance in sandy rivers. I use physical modeling in a laboratory flume to explore the feedbacks among bedform geometry, fluid flow and sediment transport. Field observations of dunes in the North Loup River, Nebraska, show that bed roughness displays a …
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Agent-based Modeling for Recovery Planning after Hurricane Sandy
Hurricane Sandy hit New York City on October 29, 2012 and greatly disrupted transportation systems, power systems, work, and schools. This research used survey data from 397 respondents in the NYC Metropolitan Area to develop an agent-based model for capturing commuter behavior and adaptation after …
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Wave Induced Vertical Pore Pressure Gradients at Sandy Beaches
Predicting sediment transport at sandy beaches is a significant challenge in civil engineering owing to the variability in hydrodynamic, morphological, and geotechnical properties within a site and across multiple sites. Additionally, there are difficulties in measuring in-situ properties, and …
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Electrical resistivity of sandy soil with water, leachates and seawater
… factors pertaining to resistivity tests in Perth sandy soil (specifically AC-input voltage and frequency) and those controlling the soil characteristics, specifically water/fluid content and relative density of the soil, and the types of permeant employed in the tests, namely distilled water, tap …
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Hydrologic Mass Balance Of Pervious Concrete Pavement With Sandy Soils
… mass balance of pervious concrete pavement in sandy soil common in Florida. In order to conduct this study, a field experiment was constructed at the UCF Stormwater Field Lab. The experiment consisted of three 4-foot tall cylindrical polyethylene tanks with 30-inch diameters. All three tanks …
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Nitrophosphate as an alternative phosphate fertiliser for acidic sandy soils
… when used as pre-plant fertilisers in acidic sandy soils commonly found in commercial agriculture. To meet this aim, two greenhouse experiments were conducted at the research facilities of Omnia (Pty) Ltd in Sasolburg, South Africa in 2013. The biomass, residual soil nutrient status and …
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Extreme privatization: A performance analysis of the "Sandy Springs model"
<p>This paper examines the "Sandy Springs-model," which is characterized by outsourcing the vast majority of municipal government services to the private sector. Privatization and outsourcing are widely seen as a way to deliver government services more effectively and efficiently, but few …
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Stranded kelp : its fauna and influence on sandy beach energetics.
… studies conducted on banks of kelp stranded on a sandy beach at Kommetjie on the west coast of the Cape Peninsula. The physical and chemical character of the beach are related to variations in the standing stocks and productivity of macro-, meio-fauna and bacteria as determined from a quantitative …
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Inundated: Holistically Improving Institutional Coordination And Crisis Management Following Superstorm Sandy
… crisis management efforts surrounding Superstorm Sandy in the New York Metropolitan Area. It argues that response and recovery efforts were inconsistent, and at times ineffective, due to the lack of utilizing a holistic and systems thinking approach. Using the Rockaway Peninsula as a fractal …
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Studies on the intertidal sandy-beach fauna of the Cape Peninsula
… and the second of the manuscripts deal with the sandy-beach snail, Bullia, while the sixth published paper is a brief account of food-relationships on the Cape Peninsula's sandy beaches. The first manuscript is an introduction to the ecology of the sandy beaches of the Cape Peninsula, the first …
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After retreat : buyout programs and local planning goals after Hurricane Sandy
State run home buyout programs are becoming increasingly popular as a means to mitigate flood damage to homes within floodplains. However, there are many local benefits associated with buyout programs, including the removal of services from the neighborhood, increased flood protection for adjacent …
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Buyouts as resiliency planning in New York City after Hurricane Sandy
… State buyout program was created after Hurricane Sandy in October 2012 in response to pressure from landowners who had been flooded in the storm. New York City declined to participate in a buyout in response to Sandy but offered to acquire storm-damaged homes in other areas where the New York …
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