Topic
Dredging
About: Dredging is a research topic. Over the lifetime, 3300 publications have been published within this topic receiving 28325 citations.
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DOI•
05 Aug 1997
TL;DR: The Tweed River Entrance Sand Bypassing Project (TRSBP) is a joint project of the New South Wales and Queensland State Governments with the support of the Gold Coast City Council.
Abstract: The objectives of the Tweed River Entrance Sand Bypassing Project on Australia's east coast are to establish and maintain a navigable entrance to the Tweed River and to enhance and maintain the southern Gold Coast beaches, with the objectives to be achieved in perpetuity. The joint project of the New South Wales and Queensland State Governments with the support of the Gold Coast City Council offers the opportunity to achieve this co-operatively in partnership. Agreements have been established. The environmental impact assessment of the first stage (initial dredging and nourishment) has been completed, and the first component of these works involving over 2.2Mm3 of sand was successfully completed in August 1996. Environmental impact assessment and design studies for the second stage (the permanent bypassing system) are in progress. The paper describes the overall project and its key features, the investigations and analyses undertaken to date, the identified impacts, the initial dredging and nourishment works, and the issues being investigated for the permanent system.
19 citations
TL;DR: In this article, the authors applied a hydromorphodynamic model to simulate the bed evolution of the Patos Lagoon estuary, southern Brazil, in order to simulate dredging inside the waterway of the Rio Grande harbor.
19 citations
TL;DR: In this paper, the authors present a history of natural history in the UK.I.I.,NATURAL HISTORY and NATURAL TECHNOLOGICAL HISTORY.
Abstract: I.—NATURAL HISTORY
19 citations
TL;DR: The cumulative effect of dredging at the relatively low intensities recorded in this region is not expected to have a significant long-term impact on suspended silt concentrations and settlement in this highly dispersive environment.
19 citations
TL;DR: In this paper, the authors present the development, calibration, and use of a model to analyze the long-term effects on dredging due to freshwater diversions along the lower Mississippi River.
Abstract: This paper presents the development, calibration, and use of a model to analyze the long-term effects on dredging due to freshwater diversions along the lower Mississippi River. The study area includes the Mississippi River from Tarbert Landing, Miss., located at mile 306 above Head of Passes, just downstream of the control structure at Old River, to the Gulf of Mexico by way of Southwest Pass. To determine the extent of the riverine effects, an HEC-6 model was developed. HEC-6 is a numerical model used to predict changes in river profiles due to deposition and scour over a period of time. Modification to the HEC-6 code was necessary to accurately reflect the actual processes occurring in the Mississippi River. An option allowing the reintroduction of dredged material back into the system was added. The calibration, choice of parameters, and results obtained from the model are presented and discussed.
19 citations