Geochemical and Biogeochemical Reaction ModelingThis 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. |
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Contents
| 7 | |
The equilibrium state | 29 |
Solving for the equilibrium state | 53 |
Changing the basis | 71 |
Equilibrium models of natural waters | 81 |
Redox disequilibrium | 103 |
Activity coefficients | 115 |
Sorption and ion exchange | 137 |
Reactive transport | 301 |
Hydrothermal fluids | 319 |
Geothermometry | 341 |
Evaporation | 357 |
Sediment diagenesis | 373 |
Kinetics of waterrock interaction | 387 |
Weathering | 405 |
Oxidation and reduction | 415 |
Surface complexation | 155 |
Automatic reaction balancing | 169 |
Uniqueness | 181 |
Mass transfer | 193 |
Polythermal fixed and sliding paths | 201 |
Geochemical buffers | 217 |
Kinetics of dissolution and precipitation | 231 |
Redox kinetics | 245 |
Microbial kinetics | 257 |
Stable isotopes | 269 |
Transport in flowing groundwater | 285 |
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Common terms and phrases
ˇ ˇ acid activity coefficients albite anhydrite aqueous species aquifer assume basis species Bethke brine buffer Ca++ CaCC CaCO3 calcite calculation results carbonate CH3COO Chapter chemical CO2 fugacity component composition concentration cont’d contains Cosmochimica Acta cristobalite define dispersion dissolved dolomite electron equilibrium constant example ferric field find first fixed fluid fluid’s formation free cm3 fugacity gaylussite geochemical modeling geochemistry Geochimica groundwater groundwater flow HCO3 hematite hydrothermal initial ionic strength isotopic iteration kaolinite kinetic logK methanogens mg/kg MgCC microbial minerals molal mole numbers Muscovite NaCl oxidation oxygen precipitate predicted pyrite quartz rate constant rate law rate_con react reactant reaction modeling reaction path redox reactions reflecting saturation seawater sediment silica simulation SiO2 SiO2(aq solution sorbed sorption specific step sulfate sulfide supersaturated surface complexation swap temperature thermodynamic tridymite umolal
Popular passages
Page 509 - Warren, 1994, Oxygen isotopic indications of the mechanisms of silica transport and quartz cementation in deeply buried sandstones. Geology 22, 847-850.
Bibliographic information
| Title | Geochemical and Biogeochemical Reaction Modeling |
| Author | Craig M. Bethke |
| Edition | 2, revised |
| Publisher | Cambridge University Press, 2007 |
| ISBN | 1139468324, 9781139468329 |
| Subjects | › › Science / Earth Sciences / General Science / Earth Sciences / Geology Science / Life Sciences / Biochemistry |
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