IAHR, founded in 1935, is a worldwide independent member-based organisation of engineers and water specialists working in fields related to the hydro-environmental sciences and their practical application. Activities range from river and maritime hydraulics to water resources development and eco-hydraulics, through to ice engineering, hydroinformatics, and hydraulic machinery.
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You are here : eLibrary : IAHR World Congress Proceedings : 35th IAHR Congress - Chengdu (2013) : THEME 6 - MARITIME HYDRAULICS AND COASTAL ENGINEERING : Field Measurement for Investigating the Dynamics of Tallebudgera Creek Tidal-Inlet Entrance
Field Measurement for Investigating the Dynamics of Tallebudgera Creek Tidal-Inlet Entrance
Author : Saeed Shaeri, Rodger B. Tomlinson, Amir Etemad-Shahidi, Darrell Strauss and Shannon Hunt
This study is part of a broader research project to build a longer, more durable and stable tidal-inlet entrance channels in Tallebudgera Creek. The Creek is one of several small tidal inlets in south-eastern Queensland, Australia. A long history of morphological changes of the mouth and entrance channel has made the local authority perform series of stabilization works and maintenance dredgings. However, this waterway becomes fully nonoperational each year, which necessitates frequent dredging. Therefore an effective long-term management plan is essential. To provide the required environmental information for such plan, a field measurement campaign was carried out in March, 2011 which included measurement of nearshore wave regimes, tidal levels and currents inside the creek; and also drogue tracking in the inlet entrance. Wave data was collected during a six week period by ADCPs at a water depth of about 7 to 8 m. Tidal current discharges were also measured by an ADCP over two tidal cycles of 14.5 (spring) and 16 (neap) hours. Water levels were recorded using a Valeport Water Level Recorder for the whole measuring period. The investigations show that the creek is mixed, but mostly flood dominated. Therefore, there is a potential for sediments to rapidly infill the entrance and for the entrance to be dominated by natural bypassing. These findings will contribute to the design of alternative entrance geometry or maintenance strategies for Tallebudgera Creek.
File Size : 1,251,110 bytes
File Type : Adobe Acrobat Document
Chapter : IAHR World Congress Proceedings
Category : 35th IAHR Congress - Chengdu (2013)
Article : THEME 6 - MARITIME HYDRAULICS AND COASTAL ENGINEERING
Date Published : 18/07/2016
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