![]() ![]() ![]() Although called a plain, the Coastal Plain includes a wide variety of landscapes. The Coastal Plain continues northwest into Mississippi, where it occupies most of the state, and northeast into Georgia. Its northern boundary, often known as the fall line, forms a large, sweeping curve from Phenix City, in Russell County, to the Alabama-Mississippi border west of Florence, in Lauderdale County. The section encompasses entirely or in part 40 of Alabama’s 67 counties. The Coastal Plain section is the southernmost part of the Coastal Plain province of the Atlantic Plain Region and it is Alabama’s largest physiographic section, occupying about 60 percent of the state. ![]() Hereafter called the Coastal Plain, it is one of Alabama’s five physiographic sections, each of which is recognized by its pattern of relief features and landforms that differ significantly from those of adjacent sections. Overtime, vegetation will concise the land and it'll become marshland.Alabama’s East Coast Gulf Coastal Plain section lies within the Coastal Plain province of the Atlantic Plain region. Also known as managed retreat- involves breaching an existing defence and allowing the sea to flood the land behind.Sand dunes provide a barrier between land and sea, absorbing wave energy and preventing flooding and erosion. 3.Dune regeneration- is where sand dunes are created or restored by either nourishment or stabilisation of the sand.They contain retractable floodgates that can be raised to prevent flooding from storm surges-COST - very expensive- Disadvantage- Really Expensive Tidal Barriers are built across river estuaries.DISADVANTAGE- They create a strong backwash as above. COST- Expensive to build but relatively cheap to maintain. Waves break against the revetments, which absorb the wave energy and so prevent cliff erosion. They can be made from concrete, wood or rocks. Are slanted structures built at the foot of cliffs.Click to see the original works with their full license. Some images used in this set are licensed under the Creative Commons through. ![]()
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