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Coastal & Marine Geology Program > Center for Coastal & Regional Marine Studies > Geologic Characterization of Lakes and Rivers of Northeast Florida > OFR 00-180

Subsurface Characterization of Selected Water Bodies in the St Johns River Water Management District, Northeast Florida

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Identification of Karst Features from Seismic Patterns
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Lake Jessup
Seminole County, Florida

Introduction | Subsurface Characterization

Introduction

Lake Jessup Seismic Track Map.
Seismic Survey Track Map for Lake Jessup showing profile locations, survey track lines, and karst features. Click on the image to see a larger version.
Lake Jessup joins the St. Johns River system between Lakes Harney and Monroe, in Seminole county. The lake occupies the broad solution valley of the St. Johns Offset (see Fig. 8, Regional Geology) (Brooks, 1981). Lake elevation at the time of the seismic survey was about 1.4 m (4.7 ft) NGVD. Lake Jessup is irregular in shape, covering about 40 km2. with about 65 km (40 mi) of shoreline. The irregular shoreline of Lake Jessup exemplifies the differences between lakes which occupy dissolution and incised valleys with those that are a single subsidence type lake such as Kingsley Lake. Low-lying marshland of the solution valley surround much of the lake to the north and east, with higher ground approaching from the south.

Coastal & Marine Geology Program > Center for Coastal & Regional Marine Studies > Geologic Characterization of Lakes and Rivers of Northeast Florida > OFR 00-180

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Updated December 05, 2016 @ 11:25 AM (JSS)