u.s. geological survey

1st International Conference on Mining Impacts to the Human and Natural Environments

The use of Seismic Profiling to identify subsurface fluid migration

pathways

James Flocks

1st International Conference on Mining Impacts to the Human and Natural Environments

The use of Seismic Profiling to identify subsurface fluid migration

pathways

James Flocks

U.S. Geological SurveyU.S. Geological Survey

Principles of karstPrinciples of karst

Principles of karstPrinciples of karst

Dissolution fractures

Soil-filled sinkhole

High Resolution Seismic Profiling (HRSP)High Resolution Seismic Profiling (HRSP)

Seismic profile projects in FloridaSeismic profile projects in Florida

35 water bodies within the SJRWMD

Seismic profile projects in Florida - MarineSeismic profile projects in Florida - Marine

Seafloor

Freshwater plume

Spring vent

Buried sinkhole

Seafloor

Buried sinkhole

Vent

Seismic profile projects in Florida - LakesSeismic profile projects in Florida - Lakes

Seismic profile projects in Florida - RiversSeismic profile projects in Florida - Rivers

http://coastal.er.usgs.gov

Ocala Limestone

Hawthorn Group

Undiff. Sand and ClayDrill wells

Groundtruthing seismic profilesGroundtruthing seismic profiles

Applications to environmental monitoringApplications to environmental monitoring

2. Much of the drainage occurs in the subsurface

3. Altered drainage can increase dissolution of the underlying geology

1. Alteration of the landscape impacts drainage

Ocala Karst after overburden removalPeace River draining undergroundWinter Park sinkhole, leaky pool drain

Applications to environmental monitoringApplications to environmental monitoring

1. Alteration of the landscape impacts drainage

2. Much of the drainage occurs in the subsurface

3. Altered drainage can increase dissolution of the underlying geology

4. Subsurface dissolution pathways can be detected using seismic profiling, and ground- truth using invasive methods

Florida ContactsFlorida Contacts

GD - St. PetersburgJames Flocksjflocks@usgs.gov

WRD - Ft. MyersEduardo Patinoepatino@usgs.gov

WRD - Ft. LauderdaleKevin Cunninghamkcunning@usgs.gov

FISC - DirectorOrlandoBarry Rosenbrosen@usgs.gov