Please use this identifier to cite or link to this item: https://hdl.handle.net/11681/9164
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dc.contributorNaval Research Laboratory (U.S.)-
dc.contributorUnited States. Coast Guard-
dc.contributorUniversity of New Orleans-
dc.contributorGeonex-Aerodat Inc.-
dc.contributor.authorKovacs, Austin-
dc.contributor.authorHolladay, J. Scott (John Scott), 1955--
dc.contributor.authorBergeron, Clyde J.-
dc.date.accessioned2016-06-20T13:40:32Z-
dc.date.available2016-06-20T13:40:32Z-
dc.date.issued1993-07-
dc.identifier.urihttp://hdl.handle.net/11681/9164-
dc.descriptionCRREL Report-
dc.descriptionAbstract: Helicopter-towed electromagnetic induction sounding systems have recently been used for the remote measurement of sea-ice thickness and shallow sea bathymetry. An inherent aspect of this sensing technology is the large area, the footprint, over which an individual sounding is made. This report gives an overview of previous footprint size assessments and presents new footprint size estimates determined from sea ice survey data and analytical calculations. All footprint determinations were found to be in reasonable agreement. For a vertical coaxial coil antenna arrangement the apparent footprint diameter was found to be about 1.25 times the antenna height above the conductive surface, and for a horizontal coplanar coil configuration the ratio is about 3.75 times the antenna height.-
dc.publisherCold Regions Research and Engineering Laboratory (U.S.)-
dc.publisherEngineer Research and Development Center (U.S.)-
dc.relationhttp://acwc.sdp.sirsi.net/client/en_US/search/asset/1001294-
dc.relation.ispartofseriesCRREL report ; 93-12.-
dc.rightsApproved for public release; distribution is unlimited.-
dc.sourceThis Digital Resource was created from scans of the Print Resource-
dc.subjectHEM footprint size-
dc.subjectHEM induction sounding-
dc.subjectElectromagnetic induction-
dc.subjectIce-
dc.subjectRemote sensing-
dc.subjectRemote measurement-
dc.subjectSea ice-
dc.titleFootprint size of a helicopter-borne electromagnetic induction sounding system versus antenna altitude-
dc.typeReporten_US
Appears in Collections:CRREL Report

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