USGS Groundwater Information: Hydrogeophysics Branch
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/
![]() View looking down at research area, Loring Air Force Base, Maine. White tubing is part of the steam injection set up. |
![]() Colette Grégoire (Katholieke Universiteit Lueven, Belgium) lowers radar antenna in borehole. |
![]() Peter Joesten (OGW, Branch of Geophysics) holds borehole electromagnetic induction tool while Colette Grégoire (Katholieke Universiteit Lueven, Belgium) prepares to clean it. |
![]() Peter Joesten (OGW, Branch of Geophysics) and Colette Grégoire (Katholieke Universiteit Lueven, Belgium) explain the geophysical remediation monitoring to visitors. |
![]() Peter Joesten (OGW, Branch of Geophysics) processes preliminary borehole radar data. White casing on the left is for antenna storage. |
![]() Peter Joesten (OGW, Branch of Geophysics) prepares for surface-to-borehole data collection. Surface radar antenna can be seen in the center of the photo. |
![]() Preliminary borehole radar data were collected in the winter before remediation efforts began. |
![]() Colette Grégoire (Katholieke Universiteit Lueven, Belgium) conducts wireline borehole survey. |
![]() Chris Kochiss (OGW, Branch of Geophysics) raises borehole radar antenna in borehole while welders work on the steam injection system. |
![]() Peter Joesten (OGW, Branch of Geophysics) explains the borehole geophysics remediation monitoring experiment to U.S. Environmental Protection Agency personnel and consulting scientists. |