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National Assessment of Shoreline Change. Part 2. Historical Shoreline Changes and Associated Coastal Land Loss Along the U.S. Southeast Atlantic Coast.
| 题名： | National Assessment of Shoreline Change. Part 2. Historical Shoreline Changes and Associated Coastal Land Loss Along the U.S. Southeast Atlantic Coast. |
| 作者： | morton, r. a. miller, t. l. |
| 关键词： | geologic history, beaches, waves, erosion, coastal zone management |
| 摘要： | Beach erosion is a chronic problem along most openocean shores of the United States. As coastal populations continue to grow and community infrastructures are threatened by erosion, there is increased demand for accurate information regarding past and present trends and rates of shoreline movement. There is also a need for a comprehensive analysis of shoreline movement that is consistent from one coastal region to another. To meet these national needs, the U.S. Geological Survey is conducting an analysis of historical shoreline changes along open-ocean sandy shores of the conterminous United States and parts of Hawaii and Alaska. One purpose of this work is to develop standard repeatable methods for mapping and analyzing shoreline movement so that periodic updates regarding coastal erosion and land loss can be made nationally that are systematic and internally consistent. This report on states comprising the Southeast Atlantic Coast (east Florida, Georgia, South Carolina, North Carolina) represents the second in a series that already includes the Gulf of Mexico and will eventually include the Northeast Atlantic Coast, Pacific Coast, and parts of Hawaii and Alaska. The report summarizes the methods of analysis, interprets the results, provides explanations regarding the historical and present trends and rates of change, and describes how different coastal communities are responding to coastal erosion. / NOTE: Open file rept. / Supplementary Notes: See also Part 1, PB2009-100043 and Part 3, PB2007-101989. / Availability Note: Order this product from NTIS by: phone at 1-800-553-NTIS (U.S. customers); (703)605-6000 (other countries); fax at (703)605-6900; and email at orders@ntis.gov. NTIS is located at 5285 Port Royal Road, Springfield, VA, 22161, USA. |
| 总页数： | u0825；40p |
| 报告类型： | 科技报告 |
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