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You are here: Home / Consulting Services / Geophysical Services / Geophysical Techniques / Microgravity
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Microgravity

Is your site suffering from subsidence issues, possibly related to karstic features such as sinkholes, solution channels, or caves? Could your site be located on top of an abandoned mine, that is waiting to collapse? Is your site located in an urban environment where abundant sources of seismic and electrical noise make other types of subsurface surveys such as seismic refraction or resistivity ineffective? Mundell & Associates characterizes sites using microgravity imaging.

Microgravity imaging is a highly sensitive method for mapping slight changes in the earth’s gravity due to density variations in the subsurface. Because karst and mine features contain air-filled or water-filled open spaces, they will have dramatically differing densities than the surrounding, unexcavated or unsolutioned bedrock. These density variations translate into gravitational anomalies, which when plotted across a site, can delineate where the voids are present.

Because gravity is unaffected by the standard levels of seismic or electrical noise from traffic and utilities, it is an excellent technique for work within city limits.

Microgravity Imaging Applications

  • Karst Mapping
  • Sinkhole Delineation
  • Abandoned Mine Locating and Characterization
  • Bedrock Valley Identification
  • Void Mapping
Microgravity Reading
Microgravity Profile

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        • Microgravity

News

Notice about COVID-19 policies

March 24, 2020in Company News

Featured: Mundell conducts environmental sampling in Franklin, Indiana

June 29, 2018in Science and Environment

Christmas Doll Project

January 6, 2021in Community Involvement

Merry Christmas and Happy Holidays from Mundell!

December 23, 2020in Company News

EPA Celebrates 50 Years of Drinking Water Research and Protection

December 2, 2020in Company News

Mundell Completes Environmental Review as Part of a Community Collaboration in Delaware County

November 5, 2020in Science and Environment

Our Affiliations

- Midwestern States Environmental Consultants Association
- Environmental & Engineering Geophysical Society
- Professional Geologists of Indiana, Inc.
- National Ground Water Association
- American Societies of Chemical / Civil Engineers Engineers without Borders
- Association of Environmental and Engineering Geologists
- Indiana Association for Environmental Professionals
- Geological Society of American
- Economy of Communion

.....and more more affiliations

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Cover Your Air Conditioner

During the winter, cover your air conditioner. Besides protecting your air-conditioning unit, these covers also help keep cold air from entering your home through the space around the air-conditioner and can be a great way to lower utility bills.

Source: EarthShare

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