Wyoming Center for Environmental Hydrology and Geophysics FINSE: The WyCEHG Near-Surface Geophysics Facility
Wyoming Center for Environmental Hydrology and Geophysics
FINSE: The WyCEHG Near-Surface Geophysics Facility
FINSE Personnel
Wyoming Center for Environmental Hydrology and Geophysics
Steve Holbrook, Ph.D. Director Brad Carr, Ph.D.
Facility Manager
Where has FINSE worked?
Wyoming Center for Environmental Hydrology and Geophysics
Where has FINSE worked?
Wyoming Center for Environmental Hydrology and Geophysics
What has FINSE done? Published/Submitted Papers & Short Courses:
2017: - Forward modeling to investigate inversion artifacts resulting from time-lapse electrical resistivity tomography during rainfall
simulations, A. Carey, G. Paige, B. Carr, Journal of Applied Geophysics. - Comparing Measurement Response and Inverted Results of Electrical Resistivity Tomography Instruments, A. Parsekian, N. Claes, K.
Singha, B. Minsley, B. Carr, E. Voytek, R. Harmon, A. Kass, A. Carey, D. Thayer, B. Flinchum, Journal of Environmental and Engineering Geophysics.
- Symmetry based frequency domain processing to remove harmonic noise from surface nuclear magnetic resonance measurements, Hein, A., Larsen, J.J., and Parsekian A.D. , Geophysical Journal International
2016: - Geophysical imaging of shallow degassing in a Yellowstone hydrothermal system, S. Pasquet, W.S. Holbrook, B. Carr, K. Sims,
Geophysical Research Letters - Estimating snow water equivalent over long mountain transects using snowmobile-mounted ground-penetrating radar, Holbrook,
W. S., S. N. Miller, and M. A. Provart, Geophysics - Presence of rapidly degrading permafrost plateaus in south-central Alaska, Jones, B. M., Baughman, C. A., Romanovsky, V. E.,
Parsekian, A. D., Babcock, E. L., Stephani, E., Jones, M. C., Grosse, G., and Berg, E. E. , The Cryosphere - GPR-derived measurements of active layer thickness on the landscape scale with sparse calibration at Toolik and Happy Valley,
Alaska, Chen, A., A. D. Parsekian, K. Schaefer, E. Jafarov, S. Panda, L. Liu, T. Zhang, H. Zebker , Geophysics - CUAHSI – WyCEHG-FINSE Short Course: Near-Surface Geophysics for Hydrology, Aug. 15-19, Laramie, WY. 21 – Attendees.
2015: - Geophysical Imaging reveals topographic stress control of bedrock weathering, J. St. Clair, S. Moon, W.S. Holbrook, J.T. Perron, C.
Riebe, S. Martel, B. Carr, C. Harman, K. Singha, D. Richter, Science - Uncertainty estimates for surface nuclear magnetic resonance water content and relaxation time profiles, Parsekian, A. D., and D.
Grombacher, Journal of Applied Geophysics - CUAHSI – WyCEHG-FINSE Short Course: Near-Surface Geophysics for Hydrology, Jan. 12-16, Tucson, AZ. 20 – Attendees.
Currently 5 manuscripts in review and 4 manuscripts in revision & many in prep.
Wyoming Center for Environmental Hydrology and Geophysics
WyCEHG – Geophysical Tools
Wyoming Center for Environmental Hydrology and Geophysics
• Seismic Refraction, Reflection and Surface Wave • 240 channel capability, impact sources, 4.5Hz/10Hz/40Hz geophones, 2 – 24 channel borehole/marine
hydrophone arrays • Ground Penetrating Radar
• 3 - systems with 100MHz/250MHz/500MHz and 800MHz antennae • DC Resistivity/Induced Polarization/Self-Potential
• 5 – systems with ~ 56 electrode capability, 60 Non-Polarizable electrodes, 2 – 56 electrode borehole/marine cables
• Electromagnetics (shallow and deep) • Surface loop EM system (WalkTEM), 2 – handheld soil conductivity meters (DualEM and GEM2)
• Magnetics • Proton Precession Base Station and Cesium Vapor Gradiometer
• Nuclear Magnetic Resonance • Surface (GMR) and Borehole (Javelin & Dart)
• Gravity • CG-5 microgravimeter
• Borehole Geophysical Logging • Caliper, Optical Televiewer, Acoustic Televiewer, Natural Gamma, Fluid Temperature/Conductivity, Spectral
Gamma, Spinner Flowmeter, Heat Pulse Flowmeter, Electromagnetic/Magnetic Susceptibility, Full Waveform Sonic (3 receiver), Resistivity (normal 8”,16”, 32”, 64”) & Induced Polarization, and Fluid Sampler.
• Direct Push Sampling/Rotary Coring/HPT-EC Direct Imaging • Geoprobe 7822DT
Geophysical Instrumentation
Seismic Refraction
Magnetic Resonance Sounding
Ground-Penetrating Radar Electrical Resistivity
Microgravity
Shallow drilling/coring
Wyoming Center for Environmental Hydrology and Geophysics
Magnetic Gradiometry
Electromagnetic Induction
Downhole Logging
Audio magnetotellurics
http://explorationresourcesinternational.com
Time-domain EM
Summary of Geophysical Instrumentation
Magnetic Resonance Sounding
Microgravity
Method Equipment No. Method Equipment No. Method Equipment No.
Seismics
Geode 24-channel seismographs 10 Radar
GPR: Mala Pro-Ex base unit 2 Gravity
Scintrex microgravimeter CG-5 1
Borehole cables (24-channel hydrophones) 2
Mala 100 MHz antenna 1 TEM Abem WalkTEM 1
Truck hammer source 1
Mala 250 MHz antenna 2 Drilling
Geoprobe 7822DT 1
Geophones: 4.5 Hz 250
Mala 500 MHz antenna 2 EMI Geophex GEM-2 1
Geophones: 10 Hz 250
Mala 800 MHz antenna 2 DualEM 1-S 1
Geophones: 40 Hz 108
Sensors & Software base unit 1 GPS gear
Trimble GeoXH handhelds 3
Geophones: horizontal 100
S&S 100 MHz antenna 1
Trimble R8 base station/RTK 1
Resistivity/IP/SP
AGI Supersting (56 electrodes) 4
S&S 250 MHz antenna 1 Vehicles Freightliner 1
PowerSting system, 25kW trailer & Marine/Borehole system 1
S&S 500 MHz antenna 1 Big Cargo Trailer 1
MPT 64-electrode system 2 Magnetics
Magnetic gradiometer G858 1 F350 1
non-polarizable electrodes, Cu-CuSO4 30 G856 base stations 2 Lab Trailer 1 non-polarizable electrodes, Ag-AgCl 30
Downhole logging
Mount Sopris system 1 F250 1
NMR Vista Clara GMR 1
OBI, ABI, EM/Mag, Spectral Gamma, HeatPulse, SpinnerFlow, Water Sampler, RES/IP, WellCAD, Accessories 1 Misc
Small portable generator 1
CSAMT Geometrics Stratagem 1
Borehole NMR: Javelin 1
25 kW generator (trailer-mounted) 1
Geophysical Instrumentation
Magnetic Resonance Sounding
Microgravity
http://www.uwyo.edu/epscor/wycehg/research-facilities/finse/finse-equipment.html
Geophysical Instrumentation: Value (1/2)
Magnetic Resonance Sounding
Microgravity
Technique Equipment Purchase Price #Systems Total Equipment Costs
Seismics 96-channel seismic refraction $104,000 2 $208,000 Borehole cables, Truck hammer, and two extra Geodes $81,080 1 $81,080
Resistivity AGI Supersting (56 electrodes) $84,000 4 $336,000
PowerSting system, 25kW trailer & Marine/Borehole system $194,116 1 $194,116
MPT 64-electrode system $113,000 2 $226,000 Magnetics Magnetic gradiometer $39,000 1 $39,000
Extra G856 $17,000 1 $17,000
Radar GPR: base unit w/ 250 MHz $32,000 3 $96,000 100 MHz antenna $6,400 2 $12,800 500 MHz antenna $3,600 3 $10,800 800 MHz antenna $2,900 2 $5,800
Gravity Gravimeter $99,500 1 $99,500
Downhole logging Mount Sopris system $65,000 1 $65,000
OBI, ABI, EM/Mag, Spectral Gamma, HeatPulse, SpinnerFlow, Water Sampler, RES/IP, WellCAD, Accessories $195,000 1 $195,000 Borehole NMR: Javelin $267,368 1 $267,368
Geophysical Instrumentation: : Value (2/2)
Magnetic Resonance Sounding
Microgravity
Technique Equipment Purchase Price #Systems Total Equipment Costs
NMR Vista Clara GMR $180,000 1 $180,000 CSAMT Stratagem $75,000 1 $75,000 TEM Abem WalkTEM $75,000 1 $75,000 Drilling Geoprobe 7822 $250,000 1 $250,000 EMI GEM-2 $20,000 1 $20,000
GPS gear
Trimble GeoXH handhelds, base stations $86,943 1 $86,943
Vehicles Freightliner $26,999.00 1 $26,999 Big Cargo Trailer $4,300.00 1 $4,300 F350 $11,580.00 1 $11,580 LabTrailer $12,000.00 1 $12,000 F250 $23,000.00 1 $23,000
TOTAL: $2,618,286
Facility Space: 1220 Bill Nye Ave.
Magnetic Resonance Sounding
Microgravity
Facility Space: 1220 Bill Nye Ave.
Magnetic Resonance Sounding
Microgravity
Facility Space: 1220 Bill Nye Ave.
Magnetic Resonance Sounding
Microgravity
The Future?
• UW Near Surface Geophysics Instrument Center (UWNSG) – UW cost center under Geology and Geophysics
• IRIS Proposal to NSF – National Near Surface Geophysics Instrument Facility (NSGF) -currently in review with potential start in Oct. 2018
Thank you
Wyoming Center for Environmental Hydrology and Geophysics
What is WyCEHG? A center of excellence in environmental hydrology and hydrogeophysics that serves
water science and watershed management by providing cutting-edge tools to managers, scientists and educators in the public and private sectors.
• Funded by a 5-year, $20 M grant from NSF-EPSCoR (plus $4 M match from UW). • EPSCoR Track-1 Research Infrastructure Improvement grant • Expires June 30, 2017 • Two major facilities:
• The Facility for Imaging the Near- and Sub-surface Environment (FINSE): Geophysical Equipment
• The Surface and Subsurface Hydrology Lab (SSHL): Hydrological Equipment • Long-term: Transition to a self-supporting, national facility for hydrogeophysics • Find us at: www.uwyo.edu/WyCEHG
Wyoming Center for Environmental Hydrology and Geophysics
Occasionally challenging field conditions…
Occasionally challenging field conditions…
Ground Penetrating Radar
Uses radar (EM) waves to provide information on:
• Geological layering
• Water content
• Temperature
Depth: a few meters
2D Direct Current (DC) Electrical Resistivity
Uses electric currents to provide information on:
• Porosity
• Lithology & Structure
• Water/gas content
• Temperature
Depth: ~10’s of meters
Nuclear Magnetic Resonance (NMR)
Uses magnetic fields (like an MRI) to provide information on:
• Water content with depth
Depth: ~10’s of meters
Self Potential (SP)
Uses natural voltage measurements to provide information on:
• Fluid flow pathways
(i.e. permeability channels)
Depth: ~10’s of meters
3D Direct Current (DC) Electrical Resistivity
Uses electric currents to provide information on:
• Porosity
• Lithology & Structure
• Water/gas content
• Temperature
Depth: ~10’s of meters
Transient EM (TEM) – “Deep”, Surface EMI
Uses inductively coupled EMI measurements to provide resistivity, and thus information on:
• Water/gas content
• Lithology
• Temperature
Depth: ~100’s of meters
Airborne TEM (Transient Electromagnetic)
Uses inductively coupled EM measurements to provide resistivity, and thus information on:
• Water/gas content
• Lithology
• Temperature
Depth: ~100’s of meters