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Environmental Atlas of the Lake Pontchartrain Basin

Lake Pontchartrain Atlas Home
Lake Pontchartrain Atlas:
Preface
Table of Contents
Introduction
Environmental Overview
Environmental Status & Trends
Restoration
Physical Environments
Basin Geology You are at the Basin Geology section of the Environmental Atlas of Lake Pontchartrain
Biological Resources
Environmental Issues
Bibliography
Resources
Contributors
Acronyms
Contact:
Jack Kindinger
Basin Geology: Geology | Quarternary Framework | Geomorphology | Bathymetry | Geologic Resources

Basin Geology - Geomorphology

Contributors: Beall, Zganjar, Westphal, Penland
Map showing location of Pass Manchac.
Figure 41: Location map for Pass Manchac.

Map showing shoreline types of Pass manchac.
Legend
pink bar Riprap Armor
Embankment or revetment along a shoreline reinforced by things thrown together without order in the form of broken concrete, concrete blocks, old pilings, rubble, etc. to resist erosion.
red bar Bulkhead
A wood, steel, or concrete wall along a waterfront. Can be adjacent to the land as a retaining wall or separate from it as a seawall to provide wave protection and resist erosion.
blue bar Swamp
Any forested area normally subject to inundation through part of the growing season or with permanent or near-permanent standing water.
green bar Fresh Marsh
Any unforested, vegetated area normally subject to inundation or tidal action at any time sufficient to support wetland-dependent, emergent vegetation with salinity less than 0.5 ppt.
purple bar Swamp with Fresh Marsh
An area of swamp at the shoreline that contains a fresh marsh (salinity less than 0.5 ppt) behind the shoreline.
gray bar Bank
Natural riverine or lacustrine bank with grass and trees.
Figure 42: Shoreline types of pass Manchac. Based on Summer 1996 aerial video survey. (Click on a letter to see a photograph of the shoreline.)

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Turtle Cove wood bulkheadCypress SwampStructures of Interstate 55
Coastal & Marine Geology Program > Center for Coastal & Regional Marine Studies > Environmental Atlas of Lake Pontchartrain

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