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| Author | : Francis Albarède |
| Publisher | : Cambridge University Press |
| Total Pages | : 567 |
| Release | : 1995-04-13 |
| Genre | : Nature |
| ISBN | : 0521454514 |
An introduction to quantitative geochemical modeling for the researcher and advanced student.
| Author | : J. Donald Rimstidt |
| Publisher | : Cambridge University Press |
| Total Pages | : 243 |
| Release | : 2013-11-07 |
| Genre | : Science |
| ISBN | : 1107655722 |
This well-organised, comprehensive reference and textbook describes rate models developed from fundamental kinetic theory and presents models using consistent terminology and notation. Major topics include rate equations, reactor theory, transition state theory, surface reactivity, advective and diffusive transport, aggregation kinetics, nucleation kinetics and solid-solid transformation rates. The theoretical basis and mathematical derivation of each model is presented in detail and illustrated with worked examples from real-world applications to geochemical problems. The book is also supported by online resources: self-study problems put students' new learning into practice, and spreadsheets provide the full data used in figures and examples, enabling students to manipulate the data for themselves. This is an ideal overview for graduate students, providing a solid understanding of geochemical kinetics. It will also provide researchers and professional geochemists with a valuable reference for solving scientific and engineering problems.
| Author | : Chen Zhu |
| Publisher | : Cambridge University Press |
| Total Pages | : 302 |
| Release | : 2002-05-13 |
| Genre | : Science |
| ISBN | : 9780521005777 |
An application of geochemical modeling to environmental problems, illustrated with case studies of real-world environmental investigations.
| Author | : |
| Publisher | : |
| Total Pages | : 543 |
| Release | : 1994 |
| Genre | : Geochemistry |
| ISBN | : |
| Author | : D. Kirk Nordstrom |
| Publisher | : Society for Mining, Metallurgy & Exploration |
| Total Pages | : 172 |
| Release | : 2017-10-01 |
| Genre | : Technology & Engineering |
| ISBN | : 0873353536 |
The single most important factor for the successful application of a geochemical model is the knowledge and experience of the individual(s) conducting the modeling. Geochemical Modeling for Mine Site Characterization and Remediation is the fourth of six volumes in the Management Technologies for Metal Mining Influenced Water series about technologies for management of metal mine and metallurgical process drainage. This handbook describes the important components of hydrogeochemical modeling for mine environments, primarily those mines where sulfide minerals are present—metal mines and coal mines. It provides general guidelines on the strengths and limitations of geochemical modeling and an overview of its application to the hydrogeochemistry of both unmined mineralized sites and those contaminated from mineral extraction and mineral processing. The handbook includes an overview of the models behind the codes, explains vital geochemical computations, describes several modeling processes, provides a compilation of codes, and gives examples of their application, including both successes and failures. Hydrologic modeling is also included because mining contaminants most often migrate by surface water and groundwater transport, and contaminant concentrations are a function of water residence time as well as pathways. This is an indispensable resource for mine planners and engineers, environmental managers, land managers, consultants, researchers, government regulators, nongovernmental organizations, students, stakeholders, and anyone with an interest in mining influenced water. The other handbooks in the series are Basics of Metal Mining Influenced Water; Mitigation of Metal Mining Influenced Water; Mine Pit Lakes: Characteristics, Predictive Modeling, and Sustainability; Techniques for Predicting Metal Mining Influenced Water; and Sampling and Monitoring for the Mine Life Cycle.
| Author | : Francis Albarède |
| Publisher | : Cambridge University Press |
| Total Pages | : 266 |
| Release | : 2003-07-03 |
| Genre | : Science |
| ISBN | : 9780521891486 |
From measuring geological time, through unravelling the evolution of continents, ocean and mantle, to understanding climate change, modern geochemistry is a discipline which pervades nearly all of the Earth Sciences. Geochemistry provides a broad introduction to the subject, which concentrates on the inorganic chemistry of the condensed part of our planet. This new textbook is written by the author of the authoritative and widely acclaimed Introduction to Geochemical Modelling (Cambridge, 1995). Emphasizing general principles rather than specific observations, Professor Albarède leads the reader through the simplest concepts of physics and chemistry behind geochemical processes. He covers fields central to geochemistry, such as crystal chemistry, mass balance and element transport, and geochemical dynamics. A broad range of applications is introduced, in natural water systems, the deep Earth and planetary processes. Geochemistry is an ideal textbook for undergraduate students, and will also provide an accessible introduction for researchers working in related fields.
| Author | : Craig M. Bethke |
| Publisher | : Cambridge University Press |
| Total Pages | : 564 |
| Release | : 2010-12-09 |
| Genre | : Science |
| ISBN | : 1139468324 |
This book provides a comprehensive overview of reaction processes in the Earth's crust and on its surface, both in the laboratory and in the field. A clear exposition of the underlying equations and calculation techniques is balanced by a large number of fully worked examples. The book uses The Geochemist's Workbench® modeling software, developed by the author and already installed at over 1000 universities and research facilities worldwide. Since publication of the first edition, the field of reaction modeling has continued to grow and find increasingly broad application. In particular, the description of microbial activity, surface chemistry, and redox chemistry within reaction models has become broader and more rigorous. These areas are covered in detail in this new edition, which was originally published in 2007. This text is written for graduate students and academic researchers in the fields of geochemistry, environmental engineering, contaminant hydrology, geomicrobiology, and numerical modeling.
| Author | : Francis Albarède |
| Publisher | : Cambridge University Press |
| Total Pages | : 407 |
| Release | : 2009-06-25 |
| Genre | : Science |
| ISBN | : 1107268885 |
Introducing the essentials of modern geochemistry for students across the Earth and environmental sciences, this new edition emphasises the general principles of this central discipline. Focusing on inorganic chemistry, Francis Albarède's refreshing approach is brought to topics that range from measuring geological time to the understanding of climate change. The author leads the student through the necessary mathematics to understand the quantitative aspects of the subject in an easily understandable manner. The early chapters cover the principles and methods of physics and chemistry that underlie geochemistry, to build the students' understanding of concepts such as isotopes, fractionation, and mixing. These are then applied across many of the environments on Earth, including the solid Earth, rivers, and climate, and then extended to processes on other planets. Three new chapters have been added – on stable isotopes, biogeochemistry, and environmental geochemistry. End-of-chapter student exercises, with solutions available online, are also included.
| Author | : James D. Kubicki |
| Publisher | : Wiley |
| Total Pages | : 440 |
| Release | : 2016-06-20 |
| Genre | : Science |
| ISBN | : 9781118845172 |
Molecular processes in nature affect human health, the availability of resources and the Earth's climate. Molecular modelling is a powerful and versatile toolbox that complements experimental data and provides insights where direct observation is not currently possible. Molecular Modeling of Geochemical Reactions: An Introduction applies computational chemistry to geochemical problems. Chapters focus on geochemical applications in aqueous, petroleum, organic, environmental, bio- and isotope geochemistry, covering the fundamental theory, practical guidance on applying techniques, and extensive literature reviews in numerous geochemical sub-disciplines. Topics covered include:- Theory and Methods of Computational Chemistry- Force Field Application and Development - Computational Spectroscopy - Thermodynamics- Structure Determination - Geochemical Kinetics This book will be of interest to graduate students and researchers looking to understand geochemical processes on a molecular level. Novice practitioners of molecular modelling, experienced computational chemists, and experimentalists seeking to understand this field will all find information and knowledge of use in their research.
| Author | : Broder J. Merkel |
| Publisher | : Springer Science & Business Media |
| Total Pages | : 230 |
| Release | : 2008-05-30 |
| Genre | : Science |
| ISBN | : 3540746684 |
To understand hydrochemistry and to analyze natural as well as man-made impacts on aquatic systems, hydrogeochemical models have been used since the 1960’s and more frequently in recent times. Numerical groundwater flow, transport, and geochemical models are important tools besides classical deterministic and analytical approaches. Solving complex linear or non-linear systems of equations, commonly with hundreds of unknown parameters, is a routine task for a PC. Modeling hydrogeochemical processes requires a detailed and accurate water analysis, as well as thermodynamic and kinetic data as input. Thermodynamic data, such as complex formation constants and solubility-products, are often provided as databases within the respective programs. However, the description of surface-controlled reactions (sorption, cation exchange, surface complexation) and kinetically controlled reactions requires additional input data. Unlike groundwater flow and transport models, thermodynamic models, in principal, do not need any calibration. However, considering surface-controlled or kinetically controlled reaction models might be subject to calibration. Typical problems for the application of geochemical models are: • speciation • determination of saturation indices • adjustment of equilibria/disequilibria for minerals or gases • mixing of different waters • modeling the effects of temperature • stoichiometric reactions (e.g. titration) • reactions with solids, fluids, and gaseous phases (in open and closed systems) • sorption (cation exchange, surface complexation) • inverse modeling • kinetically controlled reactions • reactive transport Hydrogeochemical models depend on the quality of the chemical analysis, the boundary conditions presumed by the program, theoretical concepts (e.g.
