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Multiple-point variance analysis for groundwater monitoring network designLin, Yu-pin 05 1900 (has links)
No description available.
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Processes affecting the attenuation of leachate within the attenuation landfill environmentRichardson, Grant Vincent January 1996 (has links)
No description available.
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Arsenic toxicity in Bangladesh : health and social hazardsHassan, Md. Manzarul January 2003 (has links)
No description available.
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Pollution potential of a new raw sewage stabilization pondClark, Wayne Luick, 1946- January 1977 (has links)
No description available.
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Monitoring network design and identitication of unknown groundwater pollution sources using a feedback based linked simulation-optimization methodologyChadalavada, Sreenivasulu January 2009 (has links)
Australia has a widespread and significant incidence of land and water contamination, which can lead to economic, trade, ecosystem and human health impacts. Over the past 20 years the problem has been growing and there is also a growing realization of the extent of the problem. The installation of monitoring network is pivotal for understanding the groundwater hydraulics and subsurface contamination. At the same time the process is expensive. The systematic study of the subsurface system with the available scanty data regarding the groundwater flow and the subsurface contamination can help us to arrive at the optimum monitoring network design for effective site characterization.
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Methods for scaling and comparing adsorption datasetsHartzog, Owen Kent. Barnett, Mark O., January 2008 (has links) (PDF)
Thesis (M.S.)--Auburn University, 2008. / Abstract. Includes bibliographical references (p. 41-48).
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Attenuation of strong acids in the Birmingham Sherwood sanstone aquiferBuss, Stephen Richard January 1999 (has links)
No description available.
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Assessing the Impact of Groundwater Pollution from Marine Caves on Nearshore Seagrass Beds in BermudaCate, Jenipher R. 14 January 2010 (has links)
This investigation characterized karstic and nearshore environments of Bermuda
to describe 1) behavior and periodicity of cave springs; 2) submarine spring water
quality; and 3) nearshore marine seagrass density. Caves can be conduits for
groundwater pollution where terrestrial anthropogenic processes leach nutrient enriched
water into marine caves springs that flow directly into coastal waters. Seagrass may
serve as an environmental indicator due to its susceptibility to anthropogenic pollution.
In 2007, environmental water monitoring devices were moored at the entrance of
coastal cave springs throughout Bermuda to retrieve data on water quality, flow
volume, velocity and direction. Nutrients (nitrate, phosphate, nitrite, and ammonium)
and fecal bacteria (Enterococcus spp. and Escherichia coli) were measured in each cave.
To qualify a link between terrestrial pollution and the nearshore environment, seagrass
density within 100 m from cave entrances were measured.
Bermuda caves were tidally influenced. Caves in Harrington Sound showed a
delayed tidal flux with smaller ranges due to the restricted tidal inlet. Four caves
exhibited a 1:1 in:out flow ratio. Caves with an imbalance flow ratio could be influenced
by additional entrances, connection to an alternate water body, or cave geometry. Cave
water was similar between caves. Environmental parameters and nutrients changed
together, excluding seasonal variations in temperature (17.89 to 22.94 degrees C). Higher
nutrients and fecal coliforms within caves indicated sewage may be leaching into the
subsurface ground water system. Three seagrass species were evenly distributed within patchy meadows. Densities
ranged from 0.91 to 4.5 (on a Braun-Blanket Scale). Higher mean densities in
Harrington Sound, suggested the enclosed, protected nature of the sound allowed for
reduced wave and current action. Syringodium filiforme decreased in density towards the
ocean signifying a direct influence of cave water on seagrass beds. Tidal in and out-flux
allowed for a constantly changing environment suitable for a mixture of seagrass
species. Higher dissolved inorganic nutrient concentrations were associated with
locations lacking seagrass.
This study found 1) cave springs connected groundwater and nearshore seagrass
ecosystems; and 2) components associated with terrestrial sewage pollution (DIN,
HPO4=, and Enterococcus spp.) were higher within caves than nearshore waters.
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Characterization of an Arsenate-Reducing Bacterium Strain NP4, Isolated from Groundwater in Northport, MaineLavine, Ingrid Nadean January 2004 (has links) (PDF)
No description available.
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Measuring total toxicity and genotoxic potential of ground-waterborne Dense Non-aqueous Phase Liquids (DNAPL)Robertson, Natasha 31 March 2010 (has links)
M. Tech. / Background: Groundwater is essential for many human activities, especially as a source of drinking water. Contaminated groundwater threatens many valuable water resources which may have adverse human health consequences. Groundwater contamination often goes unnoticed as it occurs underground and it is often impossible to, and often very expensive to rehabilitate. Groundwater pollution originating from industrial sites is a general problem in many industrialized countries, but also in developing countries such as South Africa. Among the various types of groundwater contamination, DNAPL (Dense Non-Aqueous Phase Liquids) contamination is a common one. A generic test for determining DNAPL contamination in water and their adverse effects on human health that consume this water does not exist. This study was aimed, by using two known immunoassays, to asses the toxicity and DNA damaging potential, using known techniques, of two index DNAPL and untested groundwater from newly drilled boreholes in areas suspected of DNAPL contamination. Objectives: To compile a DNAPL guideline based the use of index chemicals (Tricloroethylene [TCE] and Aroclor® 1254 [ARO]) to determine the high-end values and a series of reference (non-contaminated ground, and other treated waters) samples used to determine low-end values. PBMC were exposed to these samples and the test reactions for cytotoxicity and DNA damage measured. The methodology was then applied to groundwaters taken from an industrial site. This was to establish the health effects of these waters as well as determining whether they had DNAPL contamination.
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