Coastlines of the Gulf of Mexico

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Coastlines of the Gulf of Mexico Louisiana, Alabama, Mississippi

description

Coastlines of the Gulf of Mexico. Louisiana, Alabama, Mississippi. State Louisiana Mississippi Alabama. Tidal Shoreline(mi) 7721 359 607. Shoreline Characteristics. Island Morphology. Barrier Island Chain -created after last glacial epoch (15,000yr ago) -decrease in sea level - PowerPoint PPT Presentation

Transcript of Coastlines of the Gulf of Mexico

Page 1: Coastlines of the Gulf of Mexico

Coastlines of the Gulf of Mexico

Louisiana, Alabama, Mississippi

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Shoreline Characteristics

StateLouisiana

Mississippi

Alabama

Tidal Shoreline(mi)7721

359

607

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Island Morphology

Barrier Island Chain-created after last glacial

epoch (15,000yr ago)-decrease in sea level-increase in fluvial and

marine sedimentation-microtidal (0-2m)-extensive tidal marsh

habitat

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Coastal Features and Waterways

Louisiana Rivers-Atchafalaya, Mississippi, PearlAlabama

Rivers-Alabama, Tom Brigbee, Mississippi

Rivers-Pearl

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Recent Developments

• Dramatic increases in nutrient loads-eutrophication-decreases in primary productivity

-Wetland habitat in rapid decline-decrease in water quality-losses to commercial fishing

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Governmental Response

• Total Maximum Daily Load (TMDL) -assessment of pollutants in major rivers-management plan to improve water qualityEstuarine Reserve Program-modeling of individual systems-protection from development

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References

http://marine.usgs.govhttp://mfengine.nos.noaa.govhttp://eol.jsc.nasa.gov/sseop/clickmap.htmlhttp://infoplease.lycos.comhttp://www.epa.gov/owow/ estuarieshttp://www.epa.gov/owow/tmdl/ stateshttp://www.rodnreel.com/tides

Maps-US Atlantic and Gulf Coast (NOAA)

Publications-EPA, The Ecological

Condition of Estuaries in the Gulf of Mexico