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Bureau of Economic Geology The University of Texas at Austin. GEOTUBES ALONG THE UPPER COAST. James Gibeaut. Preliminary Observations. Coastal Coordination Council Executive Committee Special Meeting November 12, 2001. Long-term Average Annual Rate of Shoreline Change. Approx. 7 ft.

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geotubes along the upper coast

GEOTUBES ALONG THE UPPER COAST

James Gibeaut

Preliminary Observations

Coastal Coordination Council

Executive Committee Special Meeting

November 12, 2001

geotube schematic

Approx.

7 ft

Approx. 30 ft

Geotube Schematic
slide5

Installation

Covered and vegetated

Exposed

Maintenance

geotube locations july 2001

Rollover Pass

Gilchrist East

Gilchrist West

Dellanera

Pocket Park 2

Riviera

San Luis Pass

Pirates Beach

Treasure Island, North, Middle, South

Gilchrist East 6,200 feet

Gilchrist West 14,400

Dellanera 1,590

Pocket Park 2 380

Riviera 590

Pirates Beach 8,540

Treasure Island 1,650

Geotube LocationsJuly 2001

Total = 6.32 miles

slide8

LIDAR Topographic Images

Gilchrist East Geotube Area

1997

Nov

1998

Pre-

Frances

1998

Post-

Frances

2000

May

2001

July

1,000 ft

Gulf of Mexico

Rollover Pass

beach profile gilchrist west glo 021
Beach ProfileGilchristWest (GLO-021)

Height

in

meters

geotube

Distance in meters

website
Website

www.beg.utexas.edu/coastal/coastal01.htm