ATTENTION:
As part of improvements to the USGS Water Resources Mission Area web presence to better serve you, this site is being sunset.
As some content is migrated to new locations, users will be redirected automatically.
In the interim, these pages are not being updated.
If you have questions, please contact the Hydrogeophysics Branch at hgb_help@usgs.gov

[an error occurred while processing this directive] Internal USGS users should bookmark our new HGB internal home page: https://water.usgs.gov/usgs/espd/hgb/

Photo Gallery of BG Research at Fridley, Minnesota

Geophysical Monitoring of a Biostimulation Pilot Study to Remediate Contaminated Ground Water, Fridley, Minnesota - FY2004

[Figure 1. (Graphs) Refer to text caption for explanation.]

Figure 1. (a) Radar zero-offset slowness and (b) radar zero-offset amplitude profiles for the INJ-3 to MW-7 plane, Anoka County Riverfront Park, Fridley, Minnesota

[Figure 2. Refer to caption text for description.]

Figure 2. Field study slowness-difference tomograms for the MW-1 to INJ-2 and MW-7 to INJ-3 planes using the weighted damped least-squares (WDLS) inversion method, Anoka County Riverfront Park, Fridley, Minnesota (after Lane et al., 2004).

[Figure 3. Refer to caption text for description.]

Figure 3. Interpreted conceptual model of the June 2003 cross-sectional distribution of groundwater with inferred, highly elevated total dissolved solids (TDS) (medium gray), moderately elevated TDS (light gray), and the region where pure-phase vegetable oil emulsion is found in the subsurface (dark gray), Anoka County Riverfront Park, Fridley, Minnesota.

Read a summary of this project.

Accessibility FOIA Privacy Policies and Notices

U.S. Department of the Interior | U.S. Geological Survey
URL: https://water.usgs.gov/ogw/bgas/toxics/FY04-Minnesota/gallery.html
Page Contact Information: Contact the Hydrogeophysics Branch
Page Last Modified: Wednesday, 28-Dec-2016 15:12:47 EST