FETCH LIMITED BARRIER ISLANDS OF CHESAPEAKE BAY AND

FETCH LIMITED BARRIER ISLANDS OF CHESAPEAKE BAY AND
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获取切萨皮克湾的有限障壁岛和

DOI:
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发表时间:
2005
期刊:
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通讯作者:
O. Pilkey
O. Pilkey
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文献类型:
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作者:
David Bruce Lewis;Andrew Cooper;O. Pilkey

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海湾、泻湖、河口和其他受保护水域内的堰洲岛从未成为大规模系统研究的对象。在切萨皮克湾和特拉华湾内,障壁岛数量众多且分布广泛。这些数量有限的障壁岛屿总数超过 300 个,展现出一系列在公海海岸线上罕见的形态。我们根据形态和位置将两个海湾中的障壁岛分为三个主要类别。一般来说,它们比开放海洋的类似物更短 (-lkm)、更窄 (<25m) 和更低 (1-2m),但它们对海洋过程的响应方式大致相同。海洋和海湾屏障之间的最大区别是海湾植被(通常是盐沼)对进化过程的强烈控制。
Barrier islands within bays, lagoons, estuaries and other protected waters have never been the subject of systematic research on a large scale. Within both the Chesapeake and Delaware Bays, barrier islands are numerous and widely distributed. Totaling more than 300 in number, these fetch limited barrier islands exhibit a range of morphologies uncommon along open ocean shorelines. We group the barrier islands in the two bays into three primary categories based on their morphology and location. In general, they are much shorter (-lkm), narrower (<25m), and lower (1-2m) than their open ocean analogs, yet they behave in much the same way in their response to oceanographic processes. The greatest difference between ocean and bay barriers is the strong control of evolutionary processes by vegetation, usually salt marsh, in the bays.