نتایج جستجو برای: contaminant plume

تعداد نتایج: 15646  

2007
F. Gagné C. Gagnon P. Turcotte C. Blaise

Municipal effluents are complex mixtures of compounds such as heavy metals, aromatic and aliphatic hydrocarbons, and micro-organisms and are released in aquatic ecosystems. The purpose of this study was to verify whether changes in metallothioneins (MT) were associated with the accumulation of labile metals in tissue of freshwater mussels exposed to the dispersion plume of a major municipal eff...

Journal: :Journal of environmental management 2016
R T Gill S F Thornton M J Harbottle J W N Smith

Sustainable management practices can be applied to the remediation of contaminated land to maximise the economic, environmental and social benefits of the process. The Sustainable Remediation Forum UK (SuRF-UK) have developed a framework to support the implementation of sustainable practices within contaminated land management and decision making. This study applies the framework, including qua...

Journal: :Adaptive Behaviour 2012
Xiaodong Kang Wei Li

The moth-inspired plume-tracing strategies on a single REMUS underwater vehicle successfully tracked a Rhodamine dye plume over 100 m and declared its source location in near-shore ocean environments that are characterized by turbulence, tides, and waves. This paper expands moth-inspired plume tracing via a single vehicle to multiple vehicles. The new strategy includes a mechanism determining a...

1996
Garrett Ito Jian Lin Carl W. Gable

The dynamics of mantle flow and melting of a ridge-centered plume were investigated with three-dimensional variable-viscosity numerical models, focusing on three buoyancy sources: temperature, melt depletion, and melt retention. The width, W, to which a plume spreads along a ridge axis, depends on plume volume flux, Q, full spreading rate, U, buoyancy number, B, and ambientrplume viscosity cont...

2010
Meng Xia Lian Xie Leonard J. Pietrafesa

[1] Based on a calibrated coastal plane estuary plume model, ideal model hindcasts of estuary plumes are used to describe the evolution of the plume pattern in response to river discharge and local wind forcing by selecting a typical partially mixed estuary (the Cape Fear River Estuary or CFRE). With the help of an existing calibrated plume model, as described by Xia et al. (2007), simulations ...

2010
T. H. CHRISTENSEN A. BAUN P. L. BJERG

The Vejen Landfill leachate plume was characterized in detail in 1989 in terms of redox zones and distribution of organic pollutants. Strong natural attenuation was observed for most organic compounds in the strongly anaerobic part of the plume. A visit to the plume 10 years later revealed that the NVOC plume had spread further, but that most of the chemical compounds still were attenuated in t...

2012
Maria Val Martin Ralph A. Kahn Jennifer A. Logan Ronan Paugam Martin Wooster Charles Ichoku

[1] We use a plume height climatology derived from space-based Multiangle Imaging Spectroradiometer (MISR) observations to evaluate the performance of a widely used plume-rise model. We initialize the model with assimilated meteorological fields from the NASA Goddard Earth Observing System and estimated fuel moisture content at the location and time of the MISR measurements. Fire properties tha...

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