{"title":"美国新泽西州海岸沙丘体积的变化","authors":"Karl F. Nordstrom, Paul A. Gares","doi":"10.1016/0951-8312(90)90025-D","DOIUrl":null,"url":null,"abstract":"<div><p>Changes in dune volume are calculated from survey profiles in representative communities in New Jersey to provide perspective on the value of dunes for sediment storage. The volumes of the dunes range from negligible to 311 m<sup>3</sup>/m of shoreline. Changes over a six-year period vary from losses of up to 116 m<sup>3</sup>/m of the dune to a growth of up to 44 m<sup>3</sup>/m. Despite large volume losses, the dunes in the undeveloped control area contain sufficient sediment to provide protection against storms with greater than a 100-year recurrence interval. Levels of protection are considerably lower at many developed sites. Dune sediments at the developed sites comprise between 9.4% and 27.7% of the total volume in the beach/dune profile above mean sea level. The size of the dunes and their volume changes may appear small, but the sediment provides a substantial amount of shore protection, and modest dune-building efforts have a pronounced effect on levels of protection.</p></div>","PeriodicalId":100978,"journal":{"name":"Ocean and Shoreline Management","volume":"14 1","pages":"Pages 1-10"},"PeriodicalIF":0.0000,"publicationDate":"1990-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0951-8312(90)90025-D","citationCount":"13","resultStr":"{\"title\":\"Changes in the volume of coastal dunes in New Jersey, USA\",\"authors\":\"Karl F. Nordstrom, Paul A. Gares\",\"doi\":\"10.1016/0951-8312(90)90025-D\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<div><p>Changes in dune volume are calculated from survey profiles in representative communities in New Jersey to provide perspective on the value of dunes for sediment storage. The volumes of the dunes range from negligible to 311 m<sup>3</sup>/m of shoreline. Changes over a six-year period vary from losses of up to 116 m<sup>3</sup>/m of the dune to a growth of up to 44 m<sup>3</sup>/m. Despite large volume losses, the dunes in the undeveloped control area contain sufficient sediment to provide protection against storms with greater than a 100-year recurrence interval. Levels of protection are considerably lower at many developed sites. Dune sediments at the developed sites comprise between 9.4% and 27.7% of the total volume in the beach/dune profile above mean sea level. The size of the dunes and their volume changes may appear small, but the sediment provides a substantial amount of shore protection, and modest dune-building efforts have a pronounced effect on levels of protection.</p></div>\",\"PeriodicalId\":100978,\"journal\":{\"name\":\"Ocean and Shoreline Management\",\"volume\":\"14 1\",\"pages\":\"Pages 1-10\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"1990-01-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"https://sci-hub-pdf.com/10.1016/0951-8312(90)90025-D\",\"citationCount\":\"13\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Ocean and Shoreline Management\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://www.sciencedirect.com/science/article/pii/095183129090025D\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Ocean and Shoreline Management","FirstCategoryId":"1085","ListUrlMain":"https://www.sciencedirect.com/science/article/pii/095183129090025D","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Changes in the volume of coastal dunes in New Jersey, USA
Changes in dune volume are calculated from survey profiles in representative communities in New Jersey to provide perspective on the value of dunes for sediment storage. The volumes of the dunes range from negligible to 311 m3/m of shoreline. Changes over a six-year period vary from losses of up to 116 m3/m of the dune to a growth of up to 44 m3/m. Despite large volume losses, the dunes in the undeveloped control area contain sufficient sediment to provide protection against storms with greater than a 100-year recurrence interval. Levels of protection are considerably lower at many developed sites. Dune sediments at the developed sites comprise between 9.4% and 27.7% of the total volume in the beach/dune profile above mean sea level. The size of the dunes and their volume changes may appear small, but the sediment provides a substantial amount of shore protection, and modest dune-building efforts have a pronounced effect on levels of protection.
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