A Preliminary Mass Balance Model for Describing the Fate of Organochlorines and Mercury in Arctic Lakes [microform] PDF Download
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Author: Hilary Freitas
Publisher: National Library of Canada = Bibliothèque nationale du Canada
ISBN:
Category : Mass budget (Geophysics)
Languages : en
Pages :
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![A Preliminary Mass Balance Model for Describing the Fate of Organochlorines and Mercury in Arctic Lakes [microform] PDF](https://books.google.com/books/content/images/frontcover/zC6gSgAACAAJ?fife=w80-h100)
Author: Hilary Freitas
Publisher: National Library of Canada = Bibliothèque nationale du Canada
ISBN:
Category : Mass budget (Geophysics)
Languages : en
Pages :
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Book Description
Author: Hilary Freitas
Publisher:
ISBN:
Category : Mass budget (Geophysics)
Languages : en
Pages :
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Author:
Publisher:
ISBN:
Category : Mercury
Languages : en
Pages : 4
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Author:
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Book Description
Abstract : To increase understanding of mercury cycling, a seasonal mass balance model was developed to predict mercury concentrations in lakes and fish. Results indicate that seasonality in mercury cycling is significant and is important for a northern latitude lake. Models, when validated, have the potential to be used as an alternative to measurements; models are relatively inexpensive and are not as time intensive. Previously published mercury models have neglected to perform a thorough validation. Model validation allows for regulators to be able to make more informed, confident decisions when using models in water quality management. It is critical to quantify uncertainty; models are often over-parameterized and constrained by few measurements. As an approach, the Markov Chain Monte Carlo (MCMC) Bayesian method was used for uncertainty analysis. The uncertainty analysis provided a better means for calibration, helpful insight on the distribution of model parameter values, and the uncertainty in model predictions.
Author: Douglas D. Endicott
Publisher:
ISBN:
Category : Biological assay
Languages : en
Pages : 242
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Author:
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Author: Paul Harremoes
Publisher: Routledge
ISBN: 1134207786
Category : Business & Economics
Languages : en
Pages : 289
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Book Description
The precautionary principle is widely seen as fundamental to successful policies for sustainability. It has been cited in international courts and trade disputes between the USA and the EU, and invoked in a growing range of political debates. Understanding what it can and cannot achieve is therefore crucial. This volume looks back over the last century to examine the role the principle played or could have played, in a range of major and avoidable public disasters. From detailed investigation of how each disaster unfolded, what the impacts were and what measures were adopted, the authors draw lessons and establish criteria that could help to minimise the health and environmental risks of future technological, economic and policy innovations. This is an informative resource for all those from lawyers and policy-makers, to researchers and students needing to understand or apply the principle.
Author: European Environment Agency
Publisher: Luxembourg : Office for Official Publications of the European Communities
ISBN:
Category : Antibiotics in animal nutrition
Languages : en
Pages : 220
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Book Description
The precautionary principle is widely seen as fundamental to successful policies for sustainability. This title looks back over the last century to examine the role the principle played in a range of major and avoidable public disasters.
Author: Elżbieta Kalisińska
Publisher: Springer
ISBN: 3030001210
Category : Science
Languages : en
Pages : 708
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Book Description
The population explosion that began in the 1960s has been accompanied by a decrease in the quality of the natural environment, e.g. pollution of the air, water and soil with essential and toxic trace elements. Numerous poisonings of people and animals with highly toxic anthropogenic Hg and Cd in the 20th century prompted the creation of the abiotic environment, mainly in developed countries. However, the system is insufficient for long-term exposure to low concentrations of various substances that are mainly ingested through food and water. This problem could be addressed by the monitoring of sentinels – organisms that accumulate trace elements and as such reflect the rate and degree of environmental pollution. Usually these are long-lived vertebrates – herbivorous, omnivorous and carnivorous birds and mammals, especially game species. This book describes the responses of the sentinels most commonly used in ecotoxicological studies to 17 trace elements.
Author: Muhammad Zaffar Hashmi
Publisher: Springer
ISBN: 3319477447
Category : Technology & Engineering
Languages : en
Pages : 407
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Book Description
This book describes the vast variety of xenobiotics, such as pesticides, antibiotics, antibiotic resistance genes, agrochemicals and other pollutants, their interactions with the soil environment, and the currently available strategies and techniques for soil decontamination and bioremediation. Topics covered include: transport mechanisms of pollutants along the Himalayas; use of earthworms in biomonitoring; metagenomic strategies for assessing contaminated sites; xenobiotics in the food chain; phyto-chemical remediation; biodegradation by fungi; and the use of enzymes and potential microbes in biotransformation. Accordingly, the book offers a valuable guide for scientists in the fields of environmental ecology, soil and food sciences, agriculture, and applied microbiology.
