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U.S. Geological Survey Open-File Report 2009-1151

Continuous Resistivity Profiling and Seismic-Reflection Data Collected in 2006 from the Potomac River Estuary, Virginia and Maryland

Acronyms and Abbreviations

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AGC Automatic Gain Control
AGI Advanced Geosciences, Inc.
ASCII American Standard Code for Information Interchange
CRP Continuous Resistivity Profile
DEP File extension for the AGI file format containing depth and temperature information (when available)
DGPS Differential Global Positioning System
DVD Digital Versatile Disc
ESRI Environmental Systems Research Institute
FAQ Frequently Asked Questions
FGDC Federal Geographic Data Committee
GD Geologic Discipline
GeoTIFF Georeferenced Tagged Image Format File
GIS Geographic Information System
GPS Global Positioning System. Also a file extension for navigation acquired with the AGI system.
HTML HyperText Markup Language
INI File extension for the text file containing the AGI EarthImager 2D processing parameters for the CRP data
JPEG Joint Photographic Experts Group
KEA Knudsen Engineering ASCII
KEB Knudsen Engineering Binary
KEL Knudsen Engineering Limited
LLT File extension for the AGI format file containing the latitude, longitude and resistivity values of the processed CRP data
MD-DNR Maryland Department of Natural Resources
MLM Marine Log Manager
NAD83 North American Datum of 1983
NGDC National Geophysical Data Center
NOAA National Oceanic and Atmospheric Administration
PDF Portable Document Format
R/V Research Vessel
SEG-Y Society of Exploration Geophysicists Y format for seismic- data
SGD Submarine groundwater discharge
STG AGI SuperSting resistivity data format
TIFF Tagged Image Format File
TWT Two-way travel time
USB Universal serial bus
USGS U.S. Geological Survey
USGS-GD-WHCMSC U.S. Geological Survey - Geologic Discipline - Woods Hole Coastal and Marine Science Center
UTM Universal Transverse Mercator
WHCMSC Woods Hole Coastal and Marine Science Center
WRES Water resistivity
XML Extensible Markup Language


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