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Texas Barrier Islands.

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Presentation on theme: "Texas Barrier Islands."— Presentation transcript:

1 Texas Barrier Islands

2 Barrier Islands Galveston Island Matagorda Island San Jose Island
Mustang Island Padre Island Total coastline=367 miles

3 Galveston Island Storm of 1900 killed 6000 people
Seawall: 54,790 feet long, 17 feet high, 20 feet wide 32 miles of beachfront

4 Matagorda Island 40 miles long x 2 miles wide 10,000 visitors a year
Only accessible by boat Grasslands, woodlands, tidal marshes, and brackish ponds, maximum elevation=22 ft. State Park

5 San Jose Island 21 miles long Consists of series of islands
Uninhabited

6 Mustang Island 3954 acres with 5 miles of beach
35 foot dunes, foot avg. State Park

7 Padre Island Longest undeveloped barrier island ~80 miles
South Padre Island: ~55 miles long, developed extensively North and South islands were connected until the Port Mansfield Channel was dredged in 1962

8 Tides Microtidal ~ 1.5 ft.

9 Major bodies of water Galveston Bay- 600 sq/miles…highly developed..over 70 miles bulkheaded Matagorda Bay-1000 sq/km Laguna Madre- 609 sq/miles, 130 miles long, very shallow (avg. depth 2.5 ft.) and hypersaline

10 Rivers Sabine River-555 miles long, highest discharge and strongest flow in Texas, empties into Sabine Pass Colorado River-600 miles long, drains into Matagorda Bay Brazos River- 840 miles long, empties into Gulf of Mexico, longest river in Texas Rio Grande- 5th largest river in North America, drains 40,000 sq/miles in Texas

11 References http://www.tsha.utexas.edu/handbook/online/


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