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 588 for “"Pond"”.
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Bioflocculation of Wastewater Treatment Pond Suspended Solids
… of Wastewater Treatment Pond Suspended Solids</strong></p> <p><strong>Louis Lefebvre</strong></p> <p>Wastewater treatment lagoons and high rate algae ponds (HRAPs) can provide cost effective wastewater treatment, but they commonly have high effluent concentrations of total …
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Bioflocculation for Control of Wastewater Pond Microalgae
… as a harvesting method for wastewater pond microalgae. Research performed on pilot-scale high rate ponds (HRPs) on the California Central Coast.</p>
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An investigation of arsenic in Spy Pond
Thesis (M.Eng.)--Massachusetts Institute of Technology, Dept. of Civil and Environmental Engineering, 1999.
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The effect of breaching on coastal pond water quality
Coastal pond breaching is used as a management strategy to improve water quality and reduce the frequency of harmful algal blooms (HABs) in many New England coastal ponds. At Sesachacha Pond, on Nantucket Island, MA, breaching currently is conducted twice annually with the goal of flushing …
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Transcendental Mirrors: Thoreau's Pond, Poe's Sea, and Melville's Ocean
<p> <p>Three seminal 19</p> th-century North American literary works feature bodies of water which serve both as key elements in their narrative structure and as symbolic entities within their meaning systems. The protagonists in Henry David Thoreau’s <em><em>Walden, </em></em>Edgar Allan Poe’s …
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Food Habits of Fish In A Multispecies Farm Pond
… were studied during 1970 and 1971 in Abbey Pond, South Dakota. Aquatic insects, zooplankton, mollusks, and fish were the most frequently consumed food items by the three species. Yellow perch led primarily on aquatic insects, zooplankton, and mollusks. Aquatic insects were dominant (by …
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Performance of a Wastewater Treatment Pond System with Microfiltration
… <p><strong>PERFORMANCE OF A WASTEWATER TREATMENT POND SYSTEM WITH </strong></p> <p><strong>MICROFILTRATION </strong></p> <p>Eric Martin</p> <p>The Woodlands Wastewater Treatment Plant (WWWTP) treats wastewater from the Woodlands housing community near Nipomo, California. The treated effluent is …
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Petrology of the granitic Echo-Pond complex Northeast, Vermont.
Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Earth and Planetary Sciences, 1970.
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Development plan for the Hardy Pond Area, Waltham, Massachusetts
Thesis (M.C.P.) Massachusetts Institute of Technology. Dept. of Architecture, 1953.
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An Axis Through Nature: Ranger Station at Pandapas Pond
… the tranquil and natural environment of Pandapas Pond and the Jefferson National Forest. Although the form of the intervention embraces the landscape and natural land formations, its purpose is to take the visitor along a path that translates the experience from one of participation to that of …
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Water quality and sediment dynamics in a detention pond system
An investigation into the Lake Harrison detention pond system revealed that the design enhanced the removal efficiency of total suspended solids (TSS) and, to a lesser degree, nutrient constituents in the runoff. The design increased TSS flocculation, which ensured particulate removal, and …
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Geologic and limnologic history of Glovers Pond, northwestern New Jersey
<p>Glovers Pond is a temperate, dimictic lake, 1.25 miles southwest of the town of Johnsonburg, Blairstown 7.5' Quadrangle, northwestern New Jersey. The Paleozoic Kittatinny, Jacksonburg, and Martinsburg Formations, in fault contact with each other, crop out in the vicinity of the lake. The lake …
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Chlorinated Pesticide Levels in Knox County, Nebraska Farm Pond Fish
… The results were compared with soil from each pond. The results were also compared with results from a larger species of fish (higher in the food chain). The fish fillets and the soil were found to contain levels of these pesticides which were at or below quantitation limits for the method …
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Environmental Instability and the Structure of Temporary Pond Zooplankton Communities
Chapter I. Ideas relating environmental instability and community diversity are reviewed. The distinction is made between evolutionary mechanisms, which require very long periods of time to operate, and ecological mechanisms, which operate over shorter spans of time. As part of the discussion of …
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Pond aquaculture spatial distribution, production and productivity determinants in Ghana
… to develop a map of the feasibility of pond aquaculture in Ghana and provide a reliable estimate of the number of ponds, their areas, productivity and aggregate production in the country. The main factors that have influenced the current distribution of pond aquaculture in Ghana are …
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The chemical effects on a Cape Cod pond due to the upgradient reinjection of carbon-treated groundwater : case study, Snake Pond, Massachusetts Military Reservation, Falmouth, Massachusetts
Thesis (M. Eng.)--Massachusetts Institute of Technology, Dept. of Civil and Environmental Engineering, 1997.
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Flexible link aerator for dissolved oxygen generation in tiger prawn pond
… the oxygen content is uniform throughout the pond. It also exposes the water surface to absorb oxygen from atmosphere. This aerator uses a new concept by using flexible link to generate dissolved oxygen. The advantages that have in flexible link were used as an actuator to generate and …
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Food Habits and Growth of Rainbow Trout in a Prairie Pond
… gairdneri) were introduced into Lower Abbey Pond, South Dakota, at a stocking rate of 772/ha in June 1977. Sampling was begun in January 1978 to determine food habits and growth of the fish. Trout and environmental samples were taken at 10 day or monthly intervals depending upon the season. A …
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A study of the fish production of a natural farm pond
Thesis (M.S.)--Michigan State College of Agriculture and Applied Science. Dept. of Zoology, 1944
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Anaerobic Co-digestion of Wastewater Treatment Pond Algae with Wastewater Sludge
<p>Microalgae harvested from wastewater treatment ponds can be anaerobically digested to produce biogas, a renewable fuel resource. However, past experiments have shown some limitations of algae digestion. Algal cell walls are thought to be resistant to digestion, and the high protein content of …
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