Geomorphology of coastal sand dunes, Baldwin County, Alabama
By: Bennett L. Bearden, Richard L. Hummell, and Robert M. Mink
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Abstract
Alabama's coastal eolian deposits are primarily vegetated dunes that are exemplified by sand ridges with flat to undulating upper surfaces and continuous irregular crests. Dune fields occur along Morgan peninsula between the foredune line and Little Lagoon and the Mobile Bay area. These dune fields consist primarily of one or more continuous ridges that parallel the coast and are generally vegetaed to grassy. Washover of the beach and backshore during Hurricane Frederic (1979) and subsequent smaller scale storms resulted in significant erosion of many of Alabama's dune fields. The primary dunes or foredunes are beginning to recover from the effects of these storms; however, numerous breaks in the primary dune line are present. Sand dunes in coastal Alabama provide protection against storm-generated waves and washover. The foredunes are protected by adherence to a Coastal Construction Control Line (CCCL) or construction setback line identified by markers along coastal Baldwin County.
Suggested Citation
Bearden, B.L., Hummell, R.L., Mink, R.M., 1989, Geomorphology of coastal sand dunes, Baldwin County, Alabama, in Coastal Zone: Proceedings of the Symposium on Coastal and Ocean Management, v. 2, no. pt2, Charleston, SC, USA, 11 July 1989 through 14 July 1989, p. 1038-1050.
| Publication type | Conference Paper |
|---|---|
| Publication Subtype | Conference Paper |
| Title | Geomorphology of coastal sand dunes, Baldwin County, Alabama |
| Volume | 2 |
| Issue | pt2 |
| Year Published | 1989 |
| Language | English |
| Publisher | Publ by ASCE |
| Publisher location | New York, NY, United States |
| Larger Work Title | Coastal Zone: Proceedings of the Symposium on Coastal and Ocean Management |
| First page | 1038 |
| Last page | 1050 |
| Conference Title | Coastal Zone '89: Proceedings of the Sixth Symposium on Coastal and Ocean Management |
| Conference Location | Charleston, SC, USA |
| Conference Date | 11 July 1989 through 14 July 1989 |