• USGS OGW, BG: Advances in Borehole Geophysics for Ground

    United States Geological Survey, Office of Ground Water, Branch of Geophysics Fact Sheet 002-98 Advances in Borehole Geophysics for Ground-Water Investigations USGS OGW, BG: Advances in Borehole Geophysics for Ground-Water Investigations

  • USGS OGW, BG: Combined Use of Borehole Geophysics and

    Combined Use of Borehole Geophysics and Packers to Site Potable Wells in a Contaminated Area in Montville, Connecticut Aaron Green, Connecticut Department of Environmental Protection; and John W. Lane, Jr., Carole D. Johnson, John H. Williams, Remo A. Mondazzi, and Peter K. Joesten, U.S. Geological Survey Abstract

  • USGS OGW, BG: Spectral Gamma Borehole Tool

    USGS offices can learn more about the multi-echo ATV tool available from OGW BG for USGS use. USGS offices and cooperators can contact Carole Johnson (OGW BG) at cjohnson or (860) 487-7402 x17 to learn more about using the multi-echo acoustic televiewer tool or to discuss related USGS project or training needs.

  • USGS OGW BG: Radar Tomography and Borehole Geophysical

    As part of its applied research initiatives, the USGS Office of Groundwater, Branch of Geophysics (OGW BG) collected and analyzed cross-hole radar and geophysical logging data collected from 2001 through 2003 to monitor a U.S. Navy pilot biostimulation project designed to remediate groundwater contaminated with chlorinated hydrocarbons in Anoka County Riverfront Park, Fridley, Minnesota.

  • USGS OGW, BG: Geophysical Methods

    Below is a listing of the surface, borehole, and water-borne geophysical methods supported by OGW BG, including emerging techniques under development. The Branch also supports selected methods for hydraulic testing in boreholes that are commonly used in conjunction with borehole

  • usgs ogw bg borehole thelinenbox.co.za

    » usgs ogw bg borehole » ceramic filter hoses Local Football News Gloucestershire FA For all the latest news in grassroots football this is the page to visit. As part of its applied research initiatives, the USGS Office of Ground Water, Branch of Geophysics (OGW BG) assists in the planning and collection of geophysical logs . Analysis of Borehole-Radar Reflection Logs from Selected HC

  • USGS OGW BG: Integrated Borehole Geophysical Logging for

    USGS Ground Water Information Geophysics: applied Branch of Geophsyics research initiatives through the USGS Toxic Substances Hydrology Program Integrated Borehole Geophysical Logging for Characterization of the Naval Air Warfare Center, New Jersey

  • USGS OGW, BG: Summary of Selected Borehole Geophysical

    USGS Groundwater Information Geophysics: Summary of Selected Borehole Geophysical Logging Methods comparison of relative cost, speed, and difficulty USGS OGW, BG: Summary of Selected Borehole Geophysical Logging Methods

  • USGS OGW, BG: WRIR 01-4014 Analysis of Borehole-Radar

    Analysis of Borehole-Radar Reflection Logs from Selected HC Boreholes at the Project Shoal Area, Churchill County, Nevada USGS Water Resources Investigation Report 01-4014 Prepared in cooperation with the U.S. Department of Energy By John W. Lane, Jr.,

  • USGS OGW, BG: Borehole Radar Tomography Imaging of Fluid

    USGS publication: Borehole radar tomography using saline tracer injections to image fluid flow in fractured rock at Mirror Lake Research Site in NH USGS OGW, BG: Borehole Radar Tomography Imaging of Fluid Flow in Fractures

  • Borehole Geophysical Logging USGS

    2008-04-01· USGS hydrologist conducts borehole geophysical logging as part of an applied research project to evaluate the use of new hydrogeophysical tools to remotely monitor and visualize bioremediation of contaminated groundwater. This research is being conducted at the Brandywine Defense Reutilization and Marketing Office (DRMO), Maryland, by the USGS

  • USGS OGW, BG: Using Surface Geophysics for Bridge Scour

    U.S Geological Survey (USGS) Office of Ground Water Branch of Geophysics Surface geophysical techniques used to detect existing and infilled scour holes near bridge piers USGS OGW, BG: Using Surface Geophysics for Bridge Scour Detection

  • Spectral Gamma Borehole Logging USGS

    Spectral gamma borehole geophysical methods measure natural-gamma energy spectra, which are caused by the decay of uranium, thorium, potassium-40, and anthropogenic radioactive isotopes. Spectral gamma data can be used to identify and quantify

  • Borehole Nuclear Magnetic Resonance (NMR) usgs.gov

    Borehole nuclear magnetic resonance (NMR) is an emerging geophysical method being applied to hydrogeology investigations. NMR is a quantitative geophysical method that can be used to make in situ assessments of porosity, water content, mobile and immobile water fraction, and estimates of

  • Borehole Geophysical Investigation of a Formerly USGS

    ABSTRACT. The U.S. Geological Survey, in cooperation with the U.S. Army Corps of Engineers, collected borehole geophysical logs in 18 boreholes and interpreted the data along with logs from 19 additional boreholes as part of an ongoing, collaborative investigation at three environmental restoration sites in Machiasport, Maine.

  • USGS Training on Borehole Geophysical Logging

    2008-04-22· Detailed Description A USGS hydrologist holds an electromagnetic induction borehole logging tool while the tool is calibrated. The hydrologist was participating in a USGS class on how to use electromagnetic induction geophysical methods for groundwater investigations, conducted by the USGS Office of Groundwater Branch of Geophysics in 2008.

  • Borehole Geophysical Monitoring of Amendment Emplacement

    USGS,OGW Branch of Geophysics U.S. Geological Survey . Borehole Geophysical Monitoring of Amendment Emplacement and Geochemical Changes During Vegetable Oil Biostimulation, Anoka County Riverfront Park, Fridley, Minnesota

  • Use of Borehole-Radar Methods to Monitor a Steam USGS

    Use of Borehole-Radar Methods to Monitor a Steam-Enhanced Remediation Pilot Study at a Quarry at the Former Loring Air Force Base, Maine. By Colette Grégoire, Peter K. Joesten, and John W. Lane, Jr. U.S. Geological Survey Scientific Investigations Report 2006–5191. The body of the report is available in PDF Format (2,578 KB) Abstract

  • Water Resources Data & Tools USGS

    The USGS Water Resources Mission Area provides water information that is fundamental to national and local economic well-being, protection of life and property, and effective management of the Nation’s water resources. Below, find data and tools relevant to a wide range of water resources and conditions including streamflow, groundwater, water quality, and water use and

  • Water Resources Science USGS

    The USGS provides science about natural hazards that threaten lives and livelihoods; the water, energy, minerals, and other natural resources we rely on; the health of our ecosystems and environment; and the impacts of climate and land-use change. Our scientists develop new methods and tools to supply timely, relevant, and useful information about the Earth and its processes.

  • Characterization of fractures and flow zones in a USGS

    The U.S. Geological Survey, in cooperation with the Connecticut Department of Energy and Environmental Protection, investigated the characteristics of the bedrock aquifer in the Tylerville section of Haddam, Connecticut, from June to August 2014. As part of this investigation, geophysical logs were collected from six water-supply wells and were analyzed to (1) identify well construction, (2

  • Borehole Geophysical Investigation of a Formerly USGS

    U.S. Geological Survey Scientific Investigations Report 2009–5120 Prepared in cooperation with the U.S. Army Corps of Engineers, New England District Borehole Geophysical Investigation of a Formerly Used Defense Site, Machiasport, Maine, 2003–2006

  • USGS OGW, BG: WRIR 99-4211 Surface-geophysical

    USGS WRIR 99-4211 Surface-geophysical investigation of the University of Connecticut landfill, Storrs, Connecticut USGS OGW, BG: WRIR 99-4211 Surface-geophysical investigation of the University of Connecticut landfill, Storrs, Connecticut

  • Quality-Assurance Plan for Groundwater Activities, USGS

    Quality-Assurance Plan for Groundwater Activities, U.S. Geological Survey, Washington Water Science Center U.S. Department of the Interior U.S. Geological Survey Open-File Report 2013-1151. Cover: Photograph of Greg Justin, U.S. Geological Survey, measuring water level in well at Naval Undersea Warfare Center, Division Keyport, Washington. (Photograph taken by Karen Payne, U.S.

  • John Lane Chief, Branch of Geophysics, Office of

    Chief, Branch of Geophysics, Office of Groundwater (OGW BG) at USGS Columbia University Fu Foundation School of Engineering and Applied Science View profile View profile badges

  • Title: Chief, Hydrogeophysics Branch at
  • USGS -- Groundwater Watch

    2019-08-18· home page for usgs groundwater watch. Map generated 8/18/2019 7:48:41 PM Groundwater Watch Help Page Note: Color shading in the table below indicates multiple wells that plot as a single point on the state location map above. Note: BLS = Water Level in Feet Below Land Surface, AVD = Water Level in Feet Above Vertical Datum

  • HydroGeo Group Tools and Resources

    Borehole Geophysics Applied to Ground-Water Investigations (TWRI2-E2) Hydraulic Logging Methods USGS OGW, BG: Advances in Borehole Geophysics for Ground-Water InvestigationsWell Maintenance, Well Rehabilitation...

  • Groundwater Technical Procedures of the U.S USGS

    A series of groundwater technical procedures documents (GWPDs) has been released by the U.S. Geological Survey, Water-Resources Discipline, for general use by the public. These technical procedures were written in response to the need for standardized technical procedures of many aspects of groundwater science, including site and measuring-point establishment, measurement of water

  • MODFLOW and Related Programs USGS

    MODFLOW is a popular open-source groundwater flow model distributed by the U.S. Geological Survey. Growing interest in surface and groundwater interactions, local refinement with nested and unstructured grids, karst groundwater flow, solute transport, and saltwater intrusion, has led to the development of numerous MODFLOW versions. Often times,...

  • USGS -- Water Resources of the United States

    Network wells depicted on the Seminole County, FL location map Note: Color shading in the table below indicates multiple wells that plot as a single point on the state location map above. Note: BLS = Water Level in Feet Below Land Surface, RVD = Water Level referenced to a vertical datum