Last edited by Samugul
Friday, January 31, 2020 | History

2 edition of Geophysical logging of boreholes for hydrologic studies found in the catalog.

Geophysical logging of boreholes for hydrologic studies

A. I. Johnson

Geophysical logging of boreholes for hydrologic studies

  • 236 Want to read
  • 5 Currently reading

Published by Hydrologic Laboratory in Denver .
Written in English

    Subjects:
  • Hydrology -- Research.,
  • Geophysical well logging.

  • Edition Notes

    Statementby A. I. Johnson.
    ContributionsGeological Survey (U.S.)
    Classifications
    LC ClassificationsGB658 .J63
    The Physical Object
    Pagination11 leaves ;
    Number of Pages11
    ID Numbers
    Open LibraryOL4603659M
    LC Control Number77366774

    It is important throughout the process of choosing a contractor to be aware of who shall have responsibility for the different parts of work. Lugli, and M. About 90 percent of Pennsylvania is covered by digital elevation model DEM data and work is in progress to complete the coverage. A DOQ is derived from digitized aerial photographs, with displacement caused by camera tilt and terrain relief removed. Magnetic or geo-magnetic Techniques Magnetic techniques measure the remnant magnetic field associated with a material or the change in the Earth's magnetic field associated with a geologic structure or man-made object.

    Dornsife, G. Flathe, H. Air temperature is rising rapidly well as does the weather variability producing frequent extreme events. When these rocks are drilled, the gas phase equilibrates with the atmosphere, and the capillary pressure drops, sometimes leading to the development of fully saturated conditions around the borehole. Environments not conducive to using the radar method include high conductivity soils, sediments saturated with salt water or highly conductive fluids, and metal. Burdick, and Yousef A.

    Kaufman, A. Hoekstra, P. Groundwater exploration using integrated geophysical techniques. Baker, and R. Once the average depths in the reservoir are reduced to about 55 feet just above the dam and to about 15 feet at Broad Creek, the reservoir will no longer accumulate sediment.


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Geophysical logging of boreholes for hydrologic studies book

Vanecek, and H. The VLF method is typically used in conjunction with other follow-up techniques such as DC resistivity. M Roberts, and D.

Smith, R. Open-file report For further information on the design of surveys see Reynolds and Dobecki and Romig This has led to unjustified bad publicity for geophysics; if all else has failed then it is unlikely that the geophysics will be successful usually because the original survey objectives have not been clearly defined at the start of the project.

Groundwater exploration using integrated geophysical techniques. Google Scholar Ogilvi, N. The presence of buried structures such as foundations, reinforcement bars rebarcables, pipes, tanks, drums, and tunnels under or near the survey line may also cause unwanted reflections clutter.

Kuszmaul, B. A technique that will look deep into the earth generally has lower resolution than a technique that is only looking to shallow depths Target size: An estimation of the target size is necessary prior to selecting appropriate techniques.

Recent experiments in bedrock test boreholes in Queens County using crosshole seismic tomography indicate that fracture discontinuities can be detected between boreholes over feet apart. Yuhr et al. Background information on the method is extensively discussed by Kaufman and Keller and McNeill Many regional case histories are now available to demonstrate the utility of TDEM for groundwater exploration with background work on salt water intrusion given by StewartGoldstein et al.

Buselli, G. Hruby jesenik Mts. Bartel, L. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.

Guide to the Papers of A. I. Johnson

A comparison of electromagnetic techniques for reconnaissance groundwater mapping has been given by Richards et al.

Vilas et al. Kriel, and M.2 Hydrologic Issues Related to Nuclear Waste Repository in Crystalline Rocks Background and Introduction to Crystalline Rock Issues. An intensive research program on crystalline rock waste repositories was started in Sweden inforced by new, very strict laws on disposal of nuclear sylvaindez.com by: The section also briefly identifies important soil physical properties that are described in the field.

Section 3 (Geophysical Logging of Boreholes) covers more than 40 borehole logging and sensing techniques for the physical and chemical characterization of the subsurface.

[11] Physical and hydrologic properties for rock‐core samples from 33 boreholes were compiled in a database. Descriptions of borehole location and drilling information are included in Table 2. This database includes measurements of porosity, bulk density, particle density, water content, saturated hydraulic conductivity, and moisture Cited by: Williams, J.H.,Geophysical logging for hydrogeologic characterization above the Marcellus shale play [abs.], in Proceedings of the Hydrofracturing Workshop, Symposium on the Application of Geophysics to Engineering and Environmental Problems, March 29,Tucson, Environmental and Engineering Geophysical Society, Denver, Colorado, p.

@article{osti_, title = {Hydrologic testing methodology and results from deep basalt boreholes}, author = {Strait, S R and Spane, F A and Jackson, R L and Pidcoe, W W}, abstractNote = {The objective of the hydrologic field-testing program is to provide data for characterization of the groundwater systems wihin the Pasco Basin that are significant to understanding waste isolation.

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Helsel DR, Hirsch RM () Statistical methods in water resources. US Geol Sur techniques of water-resources investigations of the United States Geological Survey, Book 4, hydrologic analysis and interpretation, p Google ScholarCited by: 2.