New horizons for dredging research: The ecology and politics of harbor deepening in the southeastern United States,WIREs Water

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New horizons for dredging research: The ecology and politics of harbor deepening in the southeastern United States
WIREs Water ( IF 6.8 ) Pub Date : 2020-10-08 , DOI: 10.1002/wat2.1485
Ashley Carse ₁ , Joshua A. Lewis ₂

Affiliation

Harbor deepening projects in the southeastern United States illuminate a global phenomenon: navigable rivers and coastal estuaries have been dredged to new depths as port authorities and governments compete to accommodate and benefit from new generations of massive oceangoing ships. This urbanized region has dozens of ports situated in estuaries and deltas where major rivers meet the Atlantic Ocean and Gulf of Mexico. It is also home to the majority of U.S. inland federal waterways, significant cargo traffic, and remarkable cultural and ecological diversity. Moving enormous volumes of underwater sediment is as much a social, economic, and political phenomenon as an intervention in hydrological and geomorphological processes. Therefore, dredging demands an analytical framework that bridges disciplines and spatial scales. Putting dredging research into conversation with scholarship on global shipping, logistics, and port development, we call for an analytical framework that draws upon political ecology and geosocial theory. We use this framework to examine large harbor deepening projects near Savannah, Jacksonville, Mobile, and New Orleans. Each project has been rationalized in terms of accommodating the megaships transiting an expanded Panama Canal and, more generally, linking local and regional economic development to global supply chains. An expanded and comparative framework reveals the geographical scale and variegated politics that characterize navigation dredging today.

中文翻译：

疏research研究的新视野：美国东南部港口深化的生态和政治

美国东南部的港口加深项目阐明了一种全球现象：随着港口当局和政府竞争以容纳新一代大型远洋船并从中受益，可通航的河流和沿海河口已被疏new至新的深度。这个城市化地区的河口和三角洲有数十个港口，主要河流汇合到大西洋和墨西哥湾。它也是美国大部分内陆联邦水道的所在地，大量的货物运输以及非凡的文化和生态多样性。移动大量的水下沉积物既是对水文和地貌过程的干预，又是一种社会，经济和政治现象。因此，疏demands需要一个将学科和空间尺度联系起来的分析框架。将疏research研究与有关全球航运，物流和港口发展的奖学金进行对话，我们呼吁建立一个基于政治生态学和地缘社会理论的分析框架。我们使用此框架来检查萨凡纳，杰克逊维尔，莫比尔和新奥尔良附近的大型港口加深项目。每个项目都经过了合理化处理，以适应经过扩建的巴拿马运河的大型轮船的运输，更广泛地来说，是将地方和区域经济发展与全球供应链联系起来。扩展和比较的框架揭示了当今航行疏character的地理规模和多样化的政治。我们使用此框架来检查萨凡纳，杰克逊维尔，莫比尔和新奥尔良附近的大型港口加深项目。每个项目都经过了合理化处理，以适应经过扩建的巴拿马运河的大型轮船的运输，更广泛地来说，是将地方和区域经济发展与全球供应链联系起来。扩展和比较的框架揭示了当今航行疏character的地理规模和多样化的政治。我们使用此框架来检查萨凡纳，杰克逊维尔，莫比尔和新奥尔良附近的大型港口加深项目。每个项目都经过了合理化处理，以适应经过扩建的巴拿马运河的大型轮船的运输，更广泛地来说，是将地方和区域经济发展与全球供应链联系起来。扩展和比较的框架揭示了当今航行疏character的地理规模和多样化的政治。

更新日期：2020-10-19

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