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Beach management in Broward County, Florida

机译：佛罗里达州布劳沃德县的海滩管理

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摘要

Broward County, Florida, is located between Palm Beach County to the north and Miami-Dade County to the south, and contains approximately 24 miles of sandy beaches along the Atlantic Ocean. The county has a robust coastal management program dating back to 1965. Broward County's shoreline is regularly maintained though periodic renourishment and benefits from existing and planned inlet sand bypassing. Historically, beach renourishment projects utilized sand from offshore borrow areas in order to restore and maintain beaches; however, continued beach nourishment is anticipated to become more complicated due to the decreased availability of cost-effective, local sand resources. Due to the depletion of local known sand resources, the county has examined alternative sand resources as means to achieve its future beach management needs. Continued beach nourishment through the use of upland sand mines has been examined in addition to feasibility studies and investigations into the use of aragonite sand and recycled glass. Additionally, the county has put forth a considerable investment into implementing sand bypassing at Port Everglades in order to serve as a supplemental local and sustainable source of sand for southern county beaches. Since 1970, more than 12 million cubic yards of sand have been added to the Broward County beaches through beach nourishment. The critical need for renourishment of the beaches within Broward County will not diminish due to increasing human and natural pressures, and therefore, the county is faced with identifying future sources that are both physically and economically sustainable in order to maintain its beaches.
机译：佛罗里达州的布劳沃德县（Broward County）位于北部的棕榈滩县和南部的迈阿密戴德县（Miami-Dade County）之间，沿大西洋约有24英里的沙滩。该郡的海岸管理计划可追溯至1965年。通过定期进行养护并从现有和计划中的入流砂道中受益，Broward县的海岸线得到了定期维护。从历史上看，海滩养护项目是利用离岸借款地区的沙子来恢复和维护海滩。但是，由于缺乏具有成本效益的本地沙土资源，预计海滩的持续营养将变得更加复杂。由于当地已知的沙土资源枯竭，该县已研究了替代沙土资源，以实现其未来的海滩管理需求。除了可行性研究和对文石沙子和再生玻璃的使用进行调查以外，还研究了通过使用山地砂矿持续提供海滩营养的方法。此外，该郡投入了相当大的投资来在Everglades港口实施绕砂，以作为南部郡县海滩的本地和可持续的补充沙源。自1970年以来，通过海滩养料，已向Broward县海滩添加了超过1200万立方码的沙子。由于人类和自然压力的增加，对Broward县内海滩恢复的迫切需求不会减少，因此，该县面临着在物理上和经济上都可持续的未来来源，以维护其海滩。

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  • 来源
    《Shore and beach》 |2017年第3期|27-36|共10页
  • 作者

    Nicole S. Sharp; Christopher G. Creed;

  • 作者单位

    Natural Resources Administrator, Broward County 115 South Andrews Avenue, Room 329H, Fort Lauderdale, FL 33301;

    Vice President, Olsen Associates, Inc. 2618 Herschel Street, Jacksonville, FL 32204;

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