Objective
The primary objective of TRIDISMA is to develop, test and evaluate a prototype instrument to measure sediment transport close to the sea bed. The new instrument will simultaneous measure profiles of the suspended sediment concentration, sediment size and the three components of the fluid velocity, with high temporal (1-10 Hz) and spatial (<1 cm) resolution. The range of operation will be of the order of one metre but a secondary objective will be to extend the capabilities of the instrument to operate very close to the bed, within 10 cm, and to examine problems involved in measuring bed load. To minimise disturbance of the systems under investigation, high-frequency acoustics will be used throughout, although ancillary instrumentation will be used in the instrument evaluation and calibration, and for the bed load transport measurements.
Engineers, Port and Harbour Authorities, Dredging companies, Fisheries and Pollution scientists, as well as coastal oceanographers and geomorphologists, desperately need an accurate instrument to measure sediment transport in coastal and estuarine waters. Most existing instruments for use in the marine environment measure either flow (in one or more directions) or suspended sediment concentration, by optical or acoustic transmittance or backscatter. None is able to rapidly profile the concentration, size and the three-dimensions of flow, necessary for a realistic measurement of transport, particularly close to the sea bed where much of the sediment transport can occur. TRIDISMA will develop and test a prototype instrument, based on non-intrusive acoustic methods, which will be used to evaluate the basic technologies associated with Coherent Doppler and Correlation techniques. Results from TRIDISMA will provide a specification which can be used for the future development of a commercial to fill this important gap in available instrumentation.
TRIDISMA has drawn together European partners with wide and extensive experience in the design, construction and use of high-frequency acoustic backscatter instrumentation for measuring suspended sediment concentrations in the marine environment. They are experienced in the acoustic theory, transducer design and signal processing necessary to advance technology to simultaneously measure the sediment concentration, size and the three components of fluid velocity. In addition to many routine coastal, beach and estuary deployments, the partners in TRIDISMA have used their acoustic instruments to measure profiles of suspended sediment concentration in the MAST II C-STAB, STARFISH and VERIPARSE programmes.
Fields of science (EuroSciVoc)
CORDIS classifies projects with EuroSciVoc, a multilingual taxonomy of fields of science, through a semi-automatic process based on NLP techniques. See: The European Science Vocabulary.
CORDIS classifies projects with EuroSciVoc, a multilingual taxonomy of fields of science, through a semi-automatic process based on NLP techniques. See: The European Science Vocabulary.
- agricultural sciences agriculture, forestry, and fisheries fisheries
- natural sciences earth and related environmental sciences geology sedimentology
- engineering and technology electrical engineering, electronic engineering, information engineering electronic engineering signal processing
- natural sciences physical sciences acoustics
- natural sciences earth and related environmental sciences environmental sciences pollution
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Programme(s)
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Multi-annual funding programmes that define the EU’s priorities for research and innovation.
Topic(s)
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Calls for proposals are divided into topics. A topic defines a specific subject or area for which applicants can submit proposals. The description of a topic comprises its specific scope and the expected impact of the funded project.
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Funding Scheme
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Funding scheme (or “Type of Action”) inside a programme with common features. It specifies: the scope of what is funded; the reimbursement rate; specific evaluation criteria to qualify for funding; and the use of simplified forms of costs like lump sums.
Coordinator
NORWICH
United Kingdom
The total costs incurred by this organisation to participate in the project, including direct and indirect costs. This amount is a subset of the overall project budget.