GEOPHYSICAL IMAGING OF CONTAMINANT PLUMES AND …

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GEOPHYSICAL IMAGING OF CONTAMINANT PLUMES AND SEEPSBENEATH RIVERS AND LAKES

DepthSounder

GPS

Paul Bauman and Brad Hansenpaul.bauman@worleyparsons.com 403-247-5727

WORLEYPARSONS, CALGARY, ALBERTA

GEOPHYSICAL ASSESSMENTOF CONTAMINATED SITES

EM31 TerrainConductivity

Mapping

Cross-SectionalConductivity Plume

Imaging

SURFACE WATER HOLDING PONDSURFACE WATER HOLDING POND

ERT BEDROCK MAPPING FORA BRIDGE ABUTMENT

MEASURED TOP OF LIMESTONE FROM CLIFFFACE EXPOSURE

ERT INTERPRETED TOP OFLIMESTONE

ERT INTERPRETED TOP OFSAND

PRINCIPLE FOR BUILDING UP APRINCIPLE FOR BUILDING UP APSEUDOSECTIONPSEUDOSECTION

(Loke, 1995)

2-D RESISTIVITY INVERSION DETERMINES THE MODELBLOCKS THAT WILL PRODUCE AN APPARENTRESISTIVITY PSEUDOSECTION THAT AGREES WITH THEMEASUREMENTS FROM THE ACTUAL FIELD SURVEY

FORT MCMURRAY,FORT MCMURRAY,ALBERTAALBERTA

FORT SASKATCHEWAN,FORT SASKATCHEWAN,ALBERTAALBERTA

ASHBRIDGES BAY WASTEWATER TREATMENT PLANT,ASHBRIDGES BAY WASTEWATER TREATMENT PLANT,ONTARIOONTARIO

SARNIA INDUSTRIAL AREA,SARNIA INDUSTRIAL AREA,ONTARIOONTARIO

FRASER RIVER, BCFRASER RIVER, BC

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Dipole-Dipole Array

DepthSounder

GPS

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Dipole-Dipole Array

DepthSounder

GPS

Dipole-Dipole Marine Resistivity

p11p9p7p5p3p1c1c2p2p4p6p8p10

Modified Inverse Schlumbeger Array

DepthSounder

GPS

p11p9p7p5p3p1c1c2p2p4p6p8p10

Modified Inverse Schlumbeger Array

DepthSounder

GPS

INDUSTRIAL WASTEWATER POND, ONTARIO

PondFlo

wDire

ctio

n

BATHYMETRY CORRECTION - BEFORE

FLOW DIRECTION

BATHYMETRY CORRECTION - AFTER

FLOW DIRECTION

New/Other Technologies andUses

New/Other Technologies and Uses

• Marine ERT System

• Land Streamer System

• Airborne Geophysics

• Steep Terrain

MARINE STREAMER ON THE ATHABASCA RIVER

ELECTRICAL IMAGING OF SURFICIALGEOLOGY BENEATH A NORTHERN ALBERTA

RIVER0

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50mbgs