Environmental Atlas of the Lake Pontchartrain Basin

	Environmental Issues: Coastal Land Loss | Shoreline Change and Rates | Urbanization | Aggregate Dredge Holes | Dredge Pit Characterization | Bonnet Carré Diversion | Water Quality | Sediment Quality & Dispersal

Environmental Issues - Coastal Land Loss

• Pontchartrain Basin Land Loss - Description
• Existing and Predicted Land Loss Trends 1956-2050
• Pontchartrain Basin Land Loss - Morphology Classification
• Pontchartrain Basin Land Loss - Process Classification

Pontchartrain Basin Land Loss - Morphology Classification

Interior Loss Shoreline Loss Existing Interior Channel Shoreline Channel Land Interior Pond Shoreline Lake Water     Shoreline Bay Out of Study Area     Shoreline Gulf     Class Area Acres Percent Loss Interior Loss Interior Channel 20,298.00 10.78% Interior Pond 16,715.64 56.66% Subtotal 127,013.64 67.43% Shoreline Loss Shoreline Channel 5,744.24 3.05% Shoreline Lake 17,093.94 9.08% Shoreline Bay 28,722.23 15.25% Shoreline Gulf 97,81.60 5.19% Subtotal 61,342.01 32.57% Total 188,355.65 100.00%

Figure 2: Morphology classification of coastal land loss between 1932 and 1990 in the Mississippi River Delta Plain, SE Louisiana.