Utility-Locating Technology Development Using Multisensor Platforms (2014) / Chapter Skim
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Pages 116-121
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116 D.1 Purpose The purpose of this Standard Operating Procedure (SOP) is to provide general procedures for geophysical data processing and interpretation of SHRP 2 R01B time domain electromagnetic induction (TDEMI)
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117 easting, northing, and time stamp. These files are created with the geophysical data processing software, Geosoft Oasis Montaj.
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118 • Pick targets at anomaly locations where sensor values are consistently above background levels. Targets are classified based on comparisons to existing records and/or subsurface utility engineering (SUE)
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119 will be made at peak signal locations. Polygon targets will circumscribe an area of elevated signal response.
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120 TDEMI DGM Initial Data Processing Raw/Preprocessed Data Sheet Information Type Site name Project number Project date(s) Name of Project/Site Geoscientist Geophysical instrument used Positioning method used Instrument serial number(s)
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121 TDEMI DGM Final Processed Data Sheet and QC Review Information Type Site name Project number Project dates Name of Project/Site Geoscientist Geophysical instrument used Positioning method used Instrument serial numbers Coordinate system and unit of measure Processed data file names Name of Data Analyst Name of QC Geoscientist Data processing software used Latency/lag correction and details Sensor bias, background leveling, and/or standardization adjustment method and details Geophysical noise identification and removal details Other filtering/processing performed and details Anomaly target selection and decision criteria details Geosoft ".map" file for unit of survey Target selection file name(s) Data image file name(s)
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