4 edition of Predicting subsurface contaminant transport and transformation found in the catalog.
Predicting subsurface contaminant transport and transformation
by Robert S. Kerr Environmental Research Laboratory, Office of Research and Development, U.S. Environmental Protection Agency in Ada, OK
Written in English
|Statement||by James Weaver ... [et al.]|
|Contributions||Weaver, James W, Robert S. Kerr Environmental Research Laboratory|
|The Physical Object|
|Pagination||vi, 60 p.|
|Number of Pages||60|
Pesticide transport and transformation were modeled in soil column from the soil surface to groundwater zone. A one dimensional dynamic mathematical and computer model is formulated to simulate two types of pesticides namely 2,4-dichlorophenoxy acetic acid and 1,2-dibromo 3-chloro propane in soil column. This model predicts the behavior and persistence of Cited by: The conventional technologies that play a significant role in managing source areas at hazardous waste sites include excavation, containment, and pump-and-treat. To a certain extent, excavation (if completely successful) and containment represent the extreme ends of what is possible with source remediation, in that one technology completely.
In this updated and expanded second edition, new literature has been added on contaminant fate in the soil-subsurface environment. In particular, more data on the behavior of inorganic contaminants and on engineered nanomaterials were included, the latter comprising a group of “emerging contaminants” that may reach the soil and subsurface by: By US Environmental Protection Agency, Office of Research and Development, National Risk Management Research Laboratory, Center for Subsurface Modeling Support. FATMIC 2D (2DFATMIC) simulates subsurface flow, transport, and fate of contaminants which are undergoing chemical and/or biological transformations.
Model abstraction techniques for predicting subsurface contaminant transport. Guber, A.K., sky, vich, son, A major focus of the data analysis was on the existence of subsurface structural units and features that may drastically change the fate and transport of contaminants in the vadose zone, as well. The major focus of the book is on contaminant reactions in soil solutions, groundwater and porous media solid phases, accounting for their persistence and transformation in the subsurface, as they are transported from the land surface into groundwater. Discussions on selected case studies are provided.
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Predicting subsurface contaminant transport and transformation requires mathematical models based on a variety of physical, chemical, and biological processes.
The mathematical model is an attempt to quantitatively describe observed processes in order to permit systematic forecasting of cause and response relationships.
A review of sources, levels, and toxicity of polybrominated diphenyl ethers (PBDEs) and their transformation and transport in various environmental compartments. Environmental Reviews24 (3), Cited by: Get this from a library. Predicting subsurface contaminant transport and transformation: considerations for model selection and field validation.
[James W Weaver; Robert S. Kerr Environmental Research Laboratory.;]. This book represents the first comprehensive reference volume available on subsurface transport and fate processes. The volume is organized into four sections covering the basics of contaminant properties and how they affect transport and fate, the fundamental processes affecting subsurface transport and fate of contaminants, applications of transport Cited by: REVIEW ARTICLE /WR Organic contaminant transport and fate in the subsurface: Evolution of knowledge and understanding Hedeff I.
Essaid 1, Barbara A. Bekins, and Isabelle M. Cozzarelli2 1U.S. Geological Survey, Menlo Park, California, USA, 2U.S. Geological Survey, Reston, Virginia, USA Abstract Toxic organic contaminants may enter the subsurface Cited by: Fate & Transport Contaminant fate and transport refers to the physical, chemical, and biological processes that impact the movement of the contaminants from point A to point B and how these contaminants may be altered while they are Size: 6MB.
CHAPTER 4 DETERMINATION OF PHYSICAL TRANSPORT PARAMETERS Carl D. Palmer and Richard L Johnson Introduction The models used for the simulation and prediction of contaminant transport in the subsurface are only as good as. groundwaters; when modeling surface transport, the high ratio of solid material to water requires special recognition of even moderate sorbing tendencies.
Chemical transport in the atmosphere has many parallels with transport in water; both advection and Fickian processes are important. However, the velocities and the Fickian. Understanding and Predicting Vadose Zone Processes Bhavna Arora; Considerable attention has been given to characterize and quantify contaminant transport in subsurface heterogeneous media.
For example, heterogeneity caused by macropores and fractures can lead to preferential flow and rapid infiltration, which, in turn, increases groundwater Cited by: 1. Unfortunately, this book can't be printed from the OpenBook.
If you need to print pages from this book, we recommend downloading it as a PDF. Visit to get more information about this book, to buy it in print, or to download it as a free PDF. Although the theory of modeling contaminant transport in the subsurface is well developed and validated in laboratory settings (Fetter, ), accurately predicting the transport of contaminants in the field is still a by: 3.
The journal's scope embraces a wide range of topics that include: surface and subsurface hydrology as it relates to contamination; experimental and computational investigations of contaminant sorption, diffusion, biological and chemical transformation, volatilization and transport in the surface and subsurface; characterization of soil and.
3DFATMIC simulates subsurface flow, transport, and fate of contaminants which are undergoing chemical and/or biological transformations. The model is applicable to transient conditions in both saturated and unsaturated zones. This model can almost eliminate spurious oscillation, numerical dispersion, and peak clipping due to advective transport.
This publication is based on a series of logy Transfer seminars that were conducted in and The document provides an overview of many of the issues associated with the physical, chemical and biological processes that control contaminant transport in the subsurface. Additional topics include a summary of modeling approaches used to make predictions about the transport.
The groundwork upon which the quantitative study of organic contaminant transport and fate would build was established during the first 15 years of WRR. The general equations governing two‐phase fluid flow in macroscopically heterogeneous porous materials were presented by Nelson [ ], and the advection‐dispersion equation governing Cited by: Many of the processes influencing contaminant transport and fate in the subsurface are illustrated in Fig.
which shows the disposition of an organic liquid contaminant spilled into the ground (DNAPL is a “denser than water” nonaqueous phase liquid). Download: Download full-size image Fig. Disposition of organic liquid spilled into the by: 1.
Summary This book represents the first comprehensive reference volume available on subsurface transport and fate processes. The volume is organized into four sections covering the basics of contaminant properties and how they affect transport and fate, the fundamental processes affecting subsurface transport and fate of contaminants, applications of transport.
Subsurface Contaminant Transport Material contained in Chapter: Introduction Modeling Process Transport Processes in Soils Advection Diffusion Book Description.
This book represents the first comprehensive reference volume available on subsurface transport and fate processes. The volume is organized into four sections covering the basics of contaminant properties and how they affect transport and fate, the fundamental processes affecting subsurface transport and fate of contaminants, applications of transport.
Numerical modeling of contaminant transport, transformation, and degradation and analytical and numerical methods tied to relevant real-world applications make Bioremediation and Natural Attenuation: His research focuses on subsurface water flow and contaminant transport in both porous and fractured geologic media.
Table of Contents. GO. The results of this study underscore the importance of geologically plausible conceptualizations of the subsurface for making accurate predictions of the fate and transport of contaminants in.Applied Contaminant Transport Modeling:2nd (Second) edition [Chunmiao Zheng, Gordon D.
Bennett] on *FREE* shipping on qualifying offers. Applied Contaminant Transport Modeling:2nd (Second) edition/5(5).The major focus of the book is on contaminant reactions in soil solutions, groundwater and porous media solid phases, accounting for their persistence and transformation in the subsurface, as they are transported from the land surface into groundwater.