PPT-The use of Eh-pH diagrams in groundwater geochemistry

Contaminant Transport GTX 719 Muravha Sedzani Elia 28234422 20120523 University of Pretoria 1 Contents 20120523 University of Pretoria 2 1 What is an EhpH diagram 2 How do we construct an EhpH diagram. Use of brackish groundwater could supplement or in some places replace the use of freshwater sources and enhance our Nations water security However a better understanding of the location and charac ter of brackish groundwater is needed to expand dev A DEMONSTRATION THE GROUNDWATER FOUNDATION www.groundwater.org Groundwater is water found underground in the spaces and cracks between rocks, sand, soil and clay. Groundwater is stored in geolo Prospecting. in . OIL & GAS EXPLORATION . Innovative exploration . of oil and gas for more than 15 years. YUGRANEFTEGAS. Research Center. http://www.geochemistry.ru. Yugraneftegas. Research Center is a service company offering a wide range of services and solutions in oil and gas industry. The Company has been in the market since 1998.. Geochemistry?. Geo (geology, . gaia. ) + chemistry. A field of study dealing geological phenomena and problems with chemical tools and principles. Prerequisites?. Physical geology, . minerlaogy. , petrology, economic geology. Physical Chemistry of CO2 (Reid . Grigg. ). Aqueous Carbonate Chemistry. Mineral Dissolution and Precipitation. P-T phase diagram for H2O. AC is the boiling point curve.. AB defines the freezing point.. Much of the global H. 2. O, resides below the surface of the Earth in what geologists refer to as . groundwater. . . Although in the subsurface, it has a large impact on society and the features that we see on the surface of the Earth.. The Unseen Part of the Water Cycle. Salt Groundwater. Ground Water. Reservoir. . The present-day surface hydrologic cycle. The numbers in parentheses refer to volumes of water in millions of cubic kilometres,. Steve Gaffield – Montgomery Associates. Thomas Hovel – City of Fitchburg, WI. Madeline Gotkowitz – Wisconsin Geological Survey. Topics. Groundwater basics & current issues. Madison’s drinking water issues. Daene C. McKinney. 1. Course Objectives . Introduction to groundwater, including: . Groundwater in the hydrologic cycle . Characteristics of porous media. Darcy's law of flow in porous media. Continuity principles. Groundwater Sustainability Agency . Governance Formation. REGINA RUBIER. WATER RESOURCES MANAGER. CITY OF STOCKTON - MUNICIPAL UTILITIES DEPARTMENT. JANUARY 26, 2016. Agency Boundary Overlap. SEWD. WID. . G. . . D. S. Floridan Aquifer. Extent. Hydrologic Horizons. Pressure. Tension. θ. pwp. < . θ. < n. θ. fc. < . θ. < n. θ. = n. θ. = n. Geologic Profiles . (Stratigraphy). Hunter J. Hubrig. Michael L. Ginsbach. Overview. Introduction. Overview of Paper. Effects of Nitrogen Runoff. Effects of Groundwater Arsenic. Effects of CO. 2. Concentration. Conclusion. Questions. What is a Calcareous Fen?. saturates . pore spaces of . bedrock.. The rate of movement of groundwater is gravity driven, varying between 0.6 inches per day (in sandstones) to several inches per year (in . granites. ). The source of groundwater is rain and melt water infiltrating and percolating through fractures/pores in soil and . Secure Alternative Water Sources along with Regulations. Contents. Introduction. Groundwater Use. Water Quality Management. Comprehensive Groundwater Conservation. Lessons Learned. 1. Introduction. Zero Meter Area .