Geoscience Reference
In-Depth Information
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Easting (m)
fIGURe 21.10
Horizontal coplanar (HCP) electrical conductivity contours at the Muirfield Village Golf
Course (MVGC) tee.
the conductivity of native soil is several times that of the sand used beneath golf greens, modeling
results suggest EMI can indicate the lateral extent of the sand, as well as limited information about
the shape of the sand and soil interface. Survey tests at two golf courses in Dublin, Ohio, show that
the practical application of the 1 m instrument is consistent with the capabilities suggested by the
modeling. Further studies are required to determine if EMI can monitor changes in soil moisture
and chemistry, and what role EMI surveys might play in golf-course management.
21.7 ACknoWledGMentS
The author thanks Dr. Barry Allred for proposing and organizing the survey tests, staff at the U.S.
Department of Agriculture-Agricultural Research Service-Soil Drainage Research Unit (USDA-
ARS-SDRU) and Ohio State University for help with the surveys, and the superintendents at the
Golf Course of Dublin and Muirfield Village Golf Course for convenient access to the test sites.
RefeRenCeS
Wait, James R., 1962, A note on the Electromagnetic Response of a Stratified Earth:
Geophysics
, 27, 382-385.
