Surface And Subsurface Flow And Contaminant Transport Modeling In Lower Altamaha Watershed
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Surface And Subsurface Flow And Contaminant Transport Modeling In Lower Altamaha Watershed
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Author : Orhan Gunduz
language : en
Publisher:
Release Date : 2004
Surface And Subsurface Flow And Contaminant Transport Modeling In Lower Altamaha Watershed written by Orhan Gunduz and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2004 with Groundwater categories.
Watershed Models
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Author : Vijay P. Singh
language : en
Publisher: CRC Press
Release Date : 2010-09-28
Watershed Models written by Vijay P. Singh and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2010-09-28 with Science categories.
Watershed modeling is at the heart of modern hydrology, supplying rich information that is vital to addressing resource planning, environmental, and social problems. Even in light of this important role, many books relegate the subject to a single chapter while books devoted to modeling focus only on a specific area of application. Recognizing the
Advances In Water Resources Hydraulic Engineering
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Author : Changkuan Zhang
language : en
Publisher: Springer Science & Business Media
Release Date : 2010-07-28
Advances In Water Resources Hydraulic Engineering written by Changkuan Zhang and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2010-07-28 with Science categories.
"Advances in Water Resources and Hydraulic Engineering - Proceedings of 16th IAHR-APD Congress and 3rd Symposium of IAHR-ISHS" discusses some serious problems of sustainable development of human society related to water resources, disaster caused by flooding or draught, environment and ecology, and introduces latest research in river engineering and fluvial processes, estuarine and coastal hydraulics, hydraulic structures and hydropower hydraulics, etc. The proceedings covers new research achievements in the Asian-Pacific region in water resources, environmental ecology, river and coastal engineering, which are especially important for developing countries all over the world. This proceedings serves as a reference for researchers in the field of water resources, water quality, water pollution and water ecology. Changkuan Zhang and Hongwu Tang both are professors at Hohai University, China.
Coupled Flow And Contaminant Transport Modeling In Large Watersheds
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Author : Orhan Gunduz
language : en
Publisher:
Release Date : 2004
Coupled Flow And Contaminant Transport Modeling In Large Watersheds written by Orhan Gunduz and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2004 with Hydrologic models categories.
A hybrid surface/subsurface flow and transport model is developed that blends distributed parameter models with simpler lumped parameter models. The hybrid model solves the channel flow and saturated groundwater flow domains in continuous time using fully distributed physically-based formulations. This system is supplemented with the overland flow and unsaturated groundwater flow that uses lumped parameter descriptions in discrete time. In the proposed model, a one-dimensional channel flow model is dynamically coupled with a two-dimensional vertically-averaged groundwater flow model along the river bed. As an alternative to the commonly applied iterative solution technique, a so-called simultaneous solution procedure is developed to provide a better understanding to the coupled flow problem. This new methodology is based on the principle of solving the two flow domains within a single matrix structure in a simultaneous manner. In addition to the flow model, a coupled contaminant transport model is also developed to simulate the migration of contaminants between surface and subsurface domains. The contaminant transport model dynamically couples a one-dimensional channel transport model with a two-dimensional vertically-averaged groundwater transport model. The coupling is performed at the river bed interface via advective and dispersive transport mechanisms. A modified extension of the proposed simultaneous solution procedure is also implemented to solve the coupled contaminant transport problem. The dynamic coupling provides the much needed understanding for the continuity of contaminants in strongly interacting surface/subsurface systems such as a river and an unconfined aquifer. The coupled flow and transport models are applied to the lower Altamaha watershed in southern Georgia. The flow model is used to perform simulations of hydrologic and hydraulic conditions along the river and in the dynamically linked surfacial aquifer. The model predicted the flood patterns including the magnitude of peaks and their arrival times with accuracy. Under the given flow conditions, the transport model is then implemented to test alternative contaminant transport patterns both in the river and within the aquifer. It has been found that the channel network would serve as a conduit for rapid transport of contaminants within the aquifer to large distances in small time frames.
Soil Based Wastewater Treatment
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Author : Jose A. Amador
language : en
Publisher: John Wiley & Sons
Release Date : 2020-01-22
Soil Based Wastewater Treatment written by Jose A. Amador and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020-01-22 with Technology & Engineering categories.
Our book addresses the needs of practitioners, engineers, scientists, regulators, resource managers, planners, and others with a need to know about septic systems. It arose after discussions about the need for a text that integrated current understanding of the hydrologic, physical, chemical, and biological processes involved in the treatment of wastewater using soil. In our experience, people working with septic systems – ourselves included – have a fragmented understanding of what these systems are, how they function, how wastewater moves through soil, how and which pollutants are removed, and how these systems impact the environment and public health. The relevant information is scattered across disciplines, information sources and audiences. This book is an attempt to collect and integrate this information in one place, and provide a scientific framework for understanding soil-based wastewater treatment.
Methods In Stream Ecology
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Author : F. Richard Hauer
language : en
Publisher: Academic Press
Release Date : 2011-04-27
Methods In Stream Ecology written by F. Richard Hauer and has been published by Academic Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2011-04-27 with Science categories.
Methods in Stream Ecology, Second Edition, provides a complete series of field and laboratory protocols in stream ecology that are ideal for teaching or conducting research. This updated edition reflects recent advances in the technology associated with ecological assessment of streams, including remote sensing. In addition, the relationship between stream flow and alluviation has been added, and a new chapter on riparian zones is also included. The book features exercises in each chapter; detailed instructions, illustrations, formulae, and data sheets for in-field research for students; and taxanomic keys to common stream invertebrates and algae. With a student-friendly price, this book is key for all students and researchers in stream and freshwater ecology, freshwater biology, marine ecology, and river ecology. This text is also supportive as a supplementary text for courses in watershed ecology/science, hydrology, fluvial geomorphology, and landscape ecology. - Exercises in each chapter - Detailed instructions, illustrations, formulae, and data sheets for in-field research for students - Taxanomic keys to common stream invertebrates and algae - Link from Chapter 22: FISH COMMUNITY COMPOSITION to an interactive program for assessing and modeling fish numbers
Environmental Modeling And Health Risk Analysis Acts Risk
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Author : Mustafa Aral ARAL
language : en
Publisher: Springer Science & Business Media
Release Date : 2010-07-28
Environmental Modeling And Health Risk Analysis Acts Risk written by Mustafa Aral ARAL and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2010-07-28 with Technology & Engineering categories.
Environmental Modeling and Health Risk Analysis (ACTS/RISK) The purpose of this book is to provide the reader with an integrated perspective on several ?elds. First, it discusses the ?elds of environmental modeling in general and multimedia (the term “multimedia” is used throughout the text to indicate that environmental transformation and transport processes are discussed in association with three environmental media: air, groundwater and surface water pathways) environmental transformation and transport processes in particular; it also provides a detailed description of numerous mechanistic models that are used in these ?elds. Second, this book presents a review of the topics of exposure and health risk analysis. The Analytical Contaminant Transport Analysis System (ACTS) and Health RISK Analysis (RISK) software tools are an integral part of the book and provide computational platforms for all the models discussed herein. The most recent versions of these two software tools can be downloaded from the publisher’s web site. The author recommends registering the software on the web download page so that users can receive updates about newer versions of the software.
Onsite Wastewater Treatment Systems Manual
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Author :
language : en
Publisher:
Release Date : 2002
Onsite Wastewater Treatment Systems Manual written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2002 with Sewage categories.
"This manual contains overview information on treatment technologies, installation practices, and past performance."--Introduction.
1998 Ocean Sciences Meeting
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Author :
language : en
Publisher:
Release Date : 1998
1998 Ocean Sciences Meeting written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1998 with Aquatic sciences categories.
Hydrologic Time Series Analysis
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Author : Deepesh Machiwal
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-03-05
Hydrologic Time Series Analysis written by Deepesh Machiwal and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-03-05 with Science categories.
There is a dearth of relevant books dealing with both theory and application of time series analysis techniques, particularly in the field of water resources engineering. Therefore, many hydrologists and hydrogeologists face difficulties in adopting time series analysis as one of the tools for their research. This book fills this gap by providing a proper blend of theoretical and practical aspects of time sereies analysis. It deals with a comprehensive overview of time series characteristics in hydrology/water resources engineering, various tools and techniques for analyzing time series data, theoretical details of 31 available statistical tests along with detailed procedures for applying them to real-world time series data, theory and methodology of stochastic modelling, and current status of time series analysis in hydrological sciences. In adition, it demonstrates the application of most time series tests through a case study as well as presents a comparative performance evaluation of various time series tests, together with four invited case studies from India and abroad. This book will not only serve as a textbook for the students and teachers in water resources engineering but will also serve as the most comprehensive reference to educate researchers/scientists about the theory and practice of time series analysis in hydrological sciences. This book will be very useful to the students, researchers, teachers and professionals involved in water resources, hydrology, ecology, climate change, earth science, and environmental studies.