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GENERAL THEORY

 
Seismic Refraction

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• Seismic Refraction Exploration for Engineering Site Investigations

• A Vertical Array Method for Shallow Seismic Refraction Surveying of the Sea Floor

• High Resolution Refraction Data Acquisition and Interpretation

• Near-Surface Seismic Refraction Surveying Field Methods

 

Seismic Reflection

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• Seismic Reflection Methods Applied to Engineering, Environmental and Groundwater Problems

• Improving Subsurface Resolution with the Seismic Reflection Method: Use S-Waves

 

Seismic Shear Waves

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• Shear Wave Techniques and Systems

 

Seismic Surface Waves

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• Field Comparison of Shallow Seismic Sources

• Multichannel Analysis of Surface Waves

• Estimation of Near-Surface Shear-Wave Velocity by Inversion of Rayleigh Waves

• CMP Cross-Correlation Analysis of Multi-Channel Surface-Wave Data

• Theory of Efficient Array Observations of Microtremors With Special Reference to the SPAC(Spatial Autocorrelation) Method

• The Microtremor Survey Method

• Multichannel Analysis of Surface Waves (MASW) — Active and Passive Methods

• Utilization of High-Frequency Rayleigh Waves in Near-Surface Geophysics

• Active and Passive Surface Wave Techniques

• Blind Comparisons Of Shear-Wave Velocities at Closely Spaced Sites In San Jose, California

• Comparison of Phase Velocities From Array Measurements of Rayleigh Waves Associated With Microtremors and Results Calculated from Borehole Shear-Wave Velocity Profiles

• Comparison of Shear Wave Velocities from MASW Technique and Borehole Measurements in Unconsolidated Sediments of the Fraser River Delta

 

Magnetometry

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• Applications Manual for Portable Magnetometers

• Magnetic Search in Marine Environment

• Cesium Optically Pumped Magnetometers

• Total Field Magnetometer Performance Specs and What They Mean

• The Marine Magnetic Gradiometer – A Tool for the Seismic Interpreter

 

Electromagnetics

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• Electrical Imaging Surveys for Environmental and Engineering Studies: A Practical Guide to 2D and 3D Surveys

• Common Misconceptions About Capacitively-Coupled Resistivity (CCR): What It Is and How It Works

 

BY APPLICATION

General Earth Science

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• Insights Into Active Deformation in the Gulf of Cadiz From New 3‐D Seismic and High‐resolution Bathymetry Data

• Repeated Fluid Expulsion Through Sub-seabed Chimneys Offshore Norway in Response to Glacial Cycles

• Abiotic Methane From Ultraslow-spreading Ridges Can Charge Arctic Gas Hydrates

 

Oil & Gas/Marine Geohazards/Gas Hydrates

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• High-resolution Offshore 3D Seismic Geophysical Studies of Infrastructure Geohazards

• Seismic Characteristics of Gas Migration Structures on the North Atlantic Margin Imaged by High-resolution 3D Seismic

• P-Cable High Resolution Seismic Imaging of Shallow Gas in the Barents Sea

• Styles of Shallow Gas Migration and Accumulation on the Norwegian Continental Margin

• P-Cable High-Resolution 3D Seismic Imaging of Hydrate Occurrences Over Unusually Large Gas Chimneys in the SW Barents Sea

• HiRes P-Cable Data from Shallow Reservoir Mapping and Geohazard Predictions Case Examples From the Barents Sea

• Hoop Basin: Drilling Success and Playground for New Exploration Methods

• Deep-water Geohazards, Gulf of Mexico

• Hydrates in the Arctic

• Economic Development of Shallow Oil Sands in Trinidad, West Indies Using Electrical Conductivity Imaging

 

Mining/Coal Exploration

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• High Resolution Seismic Exploration for Gold

• Application of High Resolution Seismic to Surface Mineable Oil Sands

• A Simple Approach to High Resolution Seismic Profiling for Coal

• In Seam Seismic Exploration Techniques

• Seismic Surveys for Coal Exploration and Mine Planning

• Feasibility of CDP Seismic Reflection to Image Structures in a 220 m deep, 3 m Thick Coal Zones Near Palau, Mexico

• The Crosshole Seismic Reflection in Opencast Coal Exploration

• Applications of Geophysics to Gold Exploration In South Africa

• Exploration of Placer Gold Deposits by Geomagnetic Surveys

• Kimberlite Exploration With the StrataGem

• Platinum Exploration With the StrataGem

• Near Surface Fractures Evidence from Audio-Magnetotelluric (AMT) Investigation in Ayos-Nguelemendouka Area - Eastern Cameroon

 

Fault Investigations

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• Central Coastal California Seismic Imaging Project

• Hoop Basin: Drilling Success and Playground for New Exploration Methods

 

Rippability and Depth to Bedrock

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• Delineation of Bedrock Topography at Val Gagne, Ontario, Using Seismic Reflection Techniques

• Rip Instead of Drilling and Blasting

• Buried Channel Delineation Using a Passive Surface-Wave Method (Spatial Autocorrelation) in an Urban Area

• Multi-Channel Analysis of Surface Waves to Map Bedrock

 

UXO (Unexploded Ordnance)

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• Magnetic Detection of Certain Light Weapons, Mines, Grenades and Equipment

• Magnetic Measurements of Light Weapons of U.S. and Communist Block Origin

• Achieving 100% QA in Ferrous EOD Disposal

• Detection of Buried Explosive Ordnance

• Improved Target Discrimination Using Fast Sampling, High Gradient Magnetometers

• Magnetic Field Derivatives in Geophysical Interpretation

• Demonstration of Advanced Geophysics and Classification Technologies on Munitions Response Sites – Pole Mountain Target and Maneuver Area, Wyoming

• Demonstration of Advanced Geophysics and Classification Technologies on Munitions Response Sites – Fort Rucker, Alabama

• Demonstration of Advanced Geophysics and Classification Technologies on Munitions Response Sites –Former Spencer Artillery Range Van Buren County, Tennessee

 

Archaeology

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• Assessing Feature Function and Spatial Patterning of Artifacts with Geophysical Remote Sensing Data

• Magnetic Exploration of the Olmec Civilization

• A Revolution in Caddo Archaeology: The Remote Sensing and Archaeological View From the Hill Farm Site (41BW169) in Bowie County, Texas

• Geophysical Surveying of Archaeological Sites

• A Magnetometer Survey of the Knife River Indian Villages

• The Search for the Caravel Gallega

• A Magnetic Survey At Pluckemin, New Jersey

• Testing For Graves At Wyuka Cemetery,Lincoln, Nebraska, Using Three Geophysical Methods

• Magnetics at Fort Lowell Archeological Site

• The Magnetic Properties of Archaeological Materials

• A Magnetic Survey At The Cemetery Of the Ponca Tribe Of Nebraska

• From Nanotesla to Picotesla — a New Window for Magnetic Prospecting in Archaeology

 

Agricultural Geophysics

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• Identifying reserve-quality soils in vineyards

• The Impact on Electrical Conductivity Measurement Due To Soil Profile Properties, Shallow Hydrologic Conditions, Fertilizer Application, Agricultural Tillage, and the Type of Geophysical Method Employed

• Study of the Effectiveness of the Geometrics Ohmmapper for Geoelectric Investigations in Archaeological Contexts

 

Dike and Levee Investigations

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• Rapid Near Surface Resistivity Survey Using the Capacitively-Coupled Resistivity System: Ohmmapper

• Statistical Estimation of Soil Type Using Cross-plots of S-wave Velocity and Resistivity in Japanese Levees

 

Utilities/Buried Tanks and Drums

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• Total Magnetic Field Signatures over a Submarine HVDC Cable

• Geophysical Investigation for Buried Drums

• Magnetometer and Gradiometer Surveys for Detection of Underground Tanks

• Use of a Proton Precession Magnetometer to Detect Buried Drums in Sandy Soil

• Magnetic Surveying for Buried Metallic Objects

 

Engineering

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• Applications of Geotomography at the Monks Hollow Dam Site (Request By Email)

• Site Specific Shear Wave Velocity Determination

• Resolving a Velocity Inversion at the Geotechnical Scale Using the Microtremor (Passive Seismic) Survey Method

• Estimating the Shear Velocity Profile of Quaternary Silts Using Microtremor Array (SPAC) Measurements

• S-wave Velocity Structure of Mexico City Obtained From Three-component Microtremor Measurements and Microtremor Array Measurements

• Using Two-station Microtremor Array Method to Estimate Shear-wave Velocity Profiles in Seattle and Olympia, Washington

• Mapping the Concealed Structure Using High-Resolution EM - A Case History of the Investigation Of B Tunnel Route

• Characterization of a Caliche Layer

• Capacitive-coupled resistivity survey of ice-bearing sediments, Mackenzie Delta, Canada

• Dalton Highway 9 to 11 Mile – Expedient Resistivity Permafrost Investigation

• Magnetotelluric snd Surface Nuclear Magnetic Resonance Measurements of Regional and Local Variability of Deep Saline Permafrost in Adventdalen, Svalbard

• Geophysical Mapping of Ground Ice Using a Combination of Capacitive Coupled Resistivity and Ground-Penetrating Radar, Northwest Territories, Canada

• Applications of Capacitively Coupled Resistivity Surveys in Florida

 

Environmental and Ground Water Investigations

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• Seismic Profiling Aids Well Location

• Application of Seismic Refraction Techniques to Hydrologic Studies

• Application of Seismic Refraction Methods to Evaluate Regional Groundwater Resources

• Multicomponent Vibroseismic Profiling Over High Velocity Glacial Ground: An Example From Southern Ontario

• Ground Based Magnetometer Survey: Abandoned Wells at the Rocky Mountain Arsenal

• Quantitative Magnetic Analysis of Landfills

• Data Enhancement Procedures on Magnetic Data From Landfill Investigations

• Geophysical Surveys at a Superfund site, Western Processing, Washington

• Multiple Magnetometer Sensor Arrays and Their Applications in Marine Environmental Surveys

• OhmMapper Survey at the Camp Parks RFTA Former Tank Farm

• Results of a Magnetometer and Electrical Resistivity Survey for a Buried Moonshine Still

• Field Identification of Groundwater Flow Systems and Hydraulic Traps in Drainage Basins Using a Geophysical Method

• Resistivity Imaging in Eastern Nevada Using the Audiomagnetotelluric Method for Hydrogeologic Framework Studies

• Deep Groundwater Exploration Using Geophysics

• Characterization pf an Old Diesel Fuel Spill? Results of a Multi-Receiver Ohmmapper Survey

• Electrical Resistivity Imaging of Groundwater Systems using Natural and Controlled Source Magnetotellurics

• Peat Mapping Using Resistivity

 

Surveillance and Perimeter Security

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• Tunnel Detection by High Resolution Seismic Methods Request By Email

 

Continuous Monitoring

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• 4-D Seismic Monitoring of CO2 Injection

 

Void/sinkhole detection

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• Applications for Capacitively-coupled Resistivity Surveys in Florida

• Detecting Voids in a 0.6m Coal Seam, 7m deep, Using Seismic Reflection

• Seismic Reflection Survey of a Sink hole in Ellsworth County, Kansas

• Detection of Near-Surface Voids Using Surface Waves

• Detecting Fracture Related Voids and Abandoned Lead/Zinc Mines and Appraising the Subsidence Potential near Baxter Springs, Kansas

 

Seismic risk analysis

 

• Coming soon

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SURFACE WAVE PAPERS BY DR. KOICHI HAYASHI - SEG 2014 NEAR-SURFACE HONORARY LECTURER

 

• S-wave Velocity Structure of Mexico City Obtained from Three-component Microtremor Measurements and Microtremor Array Measurements

  • ISC-4 Presentation

  • ISC-4 Paper

 

• Statistical Estimation of Soil Type Using Cross-plots of S-wave Velocity and Resistivity in Japanese Levees

  • SAGEEP 2013 Presentation

  • SAGEEP 2013 Paper

 

• Using Two-station Microtremor Array Method to Estimate Shear-wave Velocity Profiles in Seattle and Olympia, Washington

  • SAGEEP 2013 Presentation

  • SAGEEP 2013 Paper