Environmental Fate Modelling Of Pesticides

Author : Otto Richter,Bernd Diekkrüger,Peter Nörtersheuser
Publisher : John Wiley & Sons
Page : 293 pages
File Size : 50,7 Mb
Release : 2008-07-11
Category : Science
ISBN : 9783527614783

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Environmental Fate Modelling of Pesticides by Otto Richter,Bernd Diekkrüger,Peter Nörtersheuser Pdf

This book is concerned with modelling the fate of organic substances in the soil. Once a chemical enters the soil it is subject to various transformation processes. It partitions between the liquid, solid and gaseous phase, it is sorbed to different binding sites with a different strength of bonding, it may decay by a simple chemical process or it may be transformed by microorganisms. Solute transport through soil and subsurface is mediated by water flow and is strongly influenced by solute sorption. To complicate matters, soil structures are heterogeneous. All these processes are embedded in a spatio-temporal hierarchy. The book brings together many different aspects of environmental fate modelling of pesticides comprising such diverse subjects as, e.g., compartment theory, nonlinear biological degradation models, modelling toxicity, parameter identification, coupling of physical and biological processes, pedotransfer functions, translation of models across scales, coupling geographical information systems with models, and FUZZY-approaches.

Author : O. Richter
Publisher : Unknown
Page : 281 pages
File Size : 43,8 Mb
Release : 1996
Category : Electronic
ISBN : OCLC:610071686

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Environmental Fate Modelling of Pesticides by O. Richter Pdf

Author : Marguerite L. Leng,Elizabeth M.K. Leovey,Paul L. Zubkoff
Publisher : CRC Press
Page : 428 pages
File Size : 47,8 Mb
Release : 1995-04-28
Category : Technology & Engineering
ISBN : 1566700345

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Agrochemical Environmental Fate State of the Art by Marguerite L. Leng,Elizabeth M.K. Leovey,Paul L. Zubkoff Pdf

Accurate risk assessment is critical to pesticide regulation. This authoritative reference provides an exhaustive evaluation of current agrochemical environmental fate studies, a critical review of current EPA pesticide assessment guidelines, and a wide variety of environmental simulation models. Divided into four sections, this well-organized book provides a wealth of data and information vital to anyone involved in environmental exposure assessment, groundwater, surface water, and water contamination, pesticide regulation, and environmental simulation modeling. At your fingertips, you will have the latest information on the development of meaningful environmental fate data and how this information will result in accurate assessment of potential environmental and human hazards. The inadequacy of current regulatory guidelines and the resulting nonscientific assessment of agrochemical environmental fate are discussed in detail. A wide variety of environmental fate studies are included to demonstrate the current use of data to assess environmental fate and potential hazards associated with agrochemical use. Finally, ten chapters discuss the use of computer models that have been developed for analyzing and integrating data from a variety of environmental fate studies on agrochemicals used under various field conditions.

Author : Hwei-Hsien Cheng
Publisher : Unknown
Page : 0 pages
File Size : 46,9 Mb
Release : 1990
Category : Pesticides
ISBN : 089118791X

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Pesticides in the Soil Environment by Hwei-Hsien Cheng Pdf

Pesticides in the soil environment - an overview. Pesticide sources to the soil and principles of spray physics. The retention processes: mechanisms. Sorption estimates for modeling. Abiotic transformations in water, sediments, and soil. Biological transformation processes of pesticides. Volatilization and vapor transport processes. Organic chemical transport to Groundwater. Movement of pesticides into surface waters. Modeling pesticide fate in soils. Efficacy of soil-applied pesticides. Impact of pesticides on the environment. Risk/benefit and regulations. Chemical index.

Author : Harrie F.G. van Dijk,W. Addo J. van Pul,Pim de Voogt
Publisher : Springer Science & Business Media
Page : 276 pages
File Size : 45,5 Mb
Release : 2013-04-17
Category : Science
ISBN : 9789401715362

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Fate of Pesticides in the Atmosphere: Implications for Environmental Risk Assessment by Harrie F.G. van Dijk,W. Addo J. van Pul,Pim de Voogt Pdf

Global pesticide use is currently estimated at approximately 2. 5 billion kg per year (Pimentel eta/. , 1998). To be effective, pesticides need to persist for a certain period of time. However, the longer their persistence, the greater the potential for transport of a fraction of the amount applied away from the target area. Pesticides are dispersed in the environment by water currents, wind, or biota. Pesticides can directly contaminate ground and surface waters by leaching, surface run-off and drift. Pesticides can also enter the atmosphere during application by evaporation and drift of small spray droplets, that remain airborne. Following application, pesticides may volatilise from the crop or the soil. Finally, wind erosion can cause soil particles and dust loaded with pesticides to enter the atmosphere. The extent to which pesticides enter the air compartment is dependent upon many factors: the properties of the substance in question (e. g. vapour pressure), the amount used, the method of application, the formulation, the weather conditions (such as wind speed, temperature, humidity), the nature of the crop and soil characteristics. Measurements at application sites reveal that sometimes more than half of the amount applied is lost into the atmosphere within a few days (Spencer and Cliath, 1990; Taylor and Spencer; 1990; Van den Berg et a/. , this issue).

Author : Michael A. Kamrin
Publisher : CRC Press
Page : 710 pages
File Size : 42,8 Mb
Release : 1997-03-12
Category : Technology & Engineering
ISBN : 1420049224

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Pesticide Profiles by Michael A. Kamrin Pdf

Pesticide Profiles: Toxicity, Environmental Impact, and Fate is like three books in one-it is a profile containing specific information about 137 pesticides, a primer of environmental toxicology, and an extensive trade name index. Profiles of each pesticide contain regulatory information, toxicity assessments, environmental fate data, physical properties, and acceptable exposure limit values. What these values and data mean in terms of human toxicity is clearly interpreted as well. The book also describes the meaning of carcinogenicity and how it is assessed in non-technical terms the non-expert can understand. Readers with a technical background are provided with the data to make their own judgments. In addition to information about specific pesticides, there are sections on general classes of pesticides, such as organophosphates. This information allows readers to make inferences about any pesticide in a class, even if a profile is not provided. Pesticide Profiles: Toxicity, Environmental Impact, and Fate goes beyond the usual listings of toxicity values or environmental half-lives to offer a broad understanding to readers of various backgrounds and interests.

Author : Jan B.H.J. Linders
Publisher : Springer Science & Business Media
Page : 275 pages
File Size : 55,6 Mb
Release : 2012-12-06
Category : Science
ISBN : 9789401008846

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Modelling of Environmental Chemical Exposure and Risk by Jan B.H.J. Linders Pdf

Mathematical models are being increasingly used to estimate the concentrations of a wide range of substances in the environment for a variety of reasons, including government control and legislation, and risk and hazard estimation. Exposure assessment has to be performed for many types of substances, including pesticides, industrial chemicals, pollutants, accidental discharges, etc. The interpretation of the results of model equations should always bear in mind the purpose for which the model used was built in the first place. Further, models are always an abstraction of reality, requiring simplifying assumptions to keep the models within the restraints posed by computer performance and/or scientific knowledge. The present book treats the theme of modelling chemical exposure and risk in terms of four main topics: model characteristics, applications, comparison of estimated with measured concentrations, and modelling credibility.

Author : Liangang Mao,Yue Geng,Jiehong Guo,Mazhar Iqbal Zafar,Yanhua Wang
Publisher : Frontiers Media SA
Page : 173 pages
File Size : 44,6 Mb
Release : 2022-11-25
Category : Science
ISBN : 9782832507223

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Environmental Impacts of Pesticides: Environmental Fate, Ecotoxicology, Risk Assessment, and Remediation by Liangang Mao,Yue Geng,Jiehong Guo,Mazhar Iqbal Zafar,Yanhua Wang Pdf

Author : Theo C. Brock
Publisher : CRC Press
Page : 446 pages
File Size : 50,8 Mb
Release : 2009-11-24
Category : Science
ISBN : 9781439858929

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Linking Aquatic Exposure and Effects by Theo C. Brock Pdf

Time-variable exposure profiles of pesticides are more often the rule than exception in the surface waters of agricultural landscapes. There is, therefore, a need to adequately address the uncertainties arising from time-variable exposure profiles in the aquatic risk assessment procedure for pesticides. Linking Aquatic Exposure and Effects: Risk As

Author : Philip Hall Howard
Publisher : Unknown
Page : 128 pages
File Size : 46,6 Mb
Release : 1991
Category : BUSINESS & ECONOMICS
ISBN : 0203719301

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Handbook of Environmental Fate and Exposure Data for Organic Chemicals by Philip Hall Howard Pdf

"This 5-volume set allows you to assess the health and environmental effects of chemicals by determining the routes of exposure of the chemical to sensitive organisms. Environmental Fate and Exposure of Organic Chemicals provides relevant facts on how individual chemicals behave in the environment and how humans and environmental organisms are exposed to the chemicals during their production, rise, transport, and disposal.Each chemical is prepared by one of the best-known organizations in environmental fate and exposure and is peer-reviewed by a panel of expert scientists. The information on each chemical includes all experimental values and references for physical properties, all chemical fate studies, and all available monitoring data and interpretative summaries."--Provided by publisher.

Author : Philip H. Howard
Publisher : CRC-Press
Page : 600 pages
File Size : 46,7 Mb
Release : 1989-04-30
Category : Science
ISBN : 0873711513

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Handbook for Environmental Fate and Exposure of Organic Chemicals by Philip H. Howard Pdf

This 5-volume set allows you to assess the health and environmental effects of chemicals by determining the routes of exposure of the chemical to sensitive organisms. Environmental Fate and Exposure of Organic Chemicals provides relevant facts on how individual chemicals behave in the environment and how humans and environmental organisms are exposed to the chemicals during their production, rise, transport, and disposal. Each chemical is prepared by one of the best-known organizations in environmental fate and exposure and is peer-reviewed by a panel of expert scientists. The information on each chemical includes all experimental values and references for physical properties, all chemical fate studies, and all available monitoring data and interpretative summaries.

Author : Mark R. Lynch
Publisher : Unknown
Page : 54 pages
File Size : 47,5 Mb
Release : 1995
Category : Pesticides
ISBN : 9056070029

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Procedures for Assessing the Environmental Fate and Ecotoxicity of Pesticides by Mark R. Lynch Pdf

Author : Denis Hamilton,Stephen Crossley
Publisher : John Wiley & Sons
Page : 388 pages
File Size : 48,9 Mb
Release : 2004-03-26
Category : Technology & Engineering
ISBN : 9780471489917

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Pesticide Residues in Food and Drinking Water by Denis Hamilton,Stephen Crossley Pdf

This book explores human exposure and consumer risk assessment in response to issues surrounding pesticide residues in food and drinking water. All the three main areas of consumer risk assessment including human toxicology, pesticide residue chemistry and dietary consumption are brought together and discussed. Includes the broader picture - the environmental fate of pesticides Takes an international approach with contributors from the European Union, USA and Australia Highlights the increasing concerns over food safety and the risks to humans

Author : Warner Phelps,Kim Winton,William R. Effland
Publisher : Unknown
Page : 256 pages
File Size : 49,5 Mb
Release : 2002
Category : Nature
ISBN : UOM:39015054262939

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Pesticide Environmental Fate by Warner Phelps,Kim Winton,William R. Effland Pdf

This book examines types of bridging studies currently being performed to help facilitate the transition from laboratory studies to field studies in support of pesticide registration. It includes discussions of modeling, variation in field sample profiles, bound vs. available residues, bare ground studies vs. cropped studies, the role of macropores in the field, pipe studies, hop plot studies, the tracking of material balance, and data interpretation.

Author : Harrie F. G. Van Dijk,W. Addo J. Van Pul,Pim de Voogt
Publisher : Unknown
Page : 288 pages
File Size : 43,9 Mb
Release : 2014-03-14
Category : Electronic
ISBN : 9401715378

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Fate of Pesticides in the Atmosphere by Harrie F. G. Van Dijk,W. Addo J. Van Pul,Pim de Voogt Pdf