THE HISTORY OF A TIDAL LAGOON INLET AND ITS IMPROVEMENT (THE CASE OF AVEIRO, PORTUGAL)
История и улучшение входного пролива приливной лагуны (на примере Авейру, Португалия)
1954-01-29
SCID: 54.1/w5trz6h2
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coastal physiographyhuman interventionsinlet improvementnavigation requirementstidal lagoon inlet
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Abstract (AI)
The described case history is known since the Xth century, and on a scientific level since the end of XVIIIth. Origin and free evolution of the inlet up to 1800, as well as results obtained by artificial improvement attempts subsequently undertaken, are analysed, in order to investigate the main features of local physiography and the way it reacts to human interventions intended to meet ever-increasing navigation requirements. The remarkable success of the projects undertaken, especially of that being executed, seems to legitimate the inference of some principles of general interest as long as tidal lagoon inlets improvement is concerned. Stress is laid upon difference from principles valid in estuaries' amelioration.
Key Findings
1
Improvement projects, particularly the one underway, achieved remarkable success in meeting increasingly demanding navigation requirements.
2
Subsequent artificial improvement attempts are analyzed to assess local physiography and inlet responses to navigation-driven human interventions.
3
The Aveiro tidal lagoon inlet’s natural origin and evolution are traced from its formation through 1800.
4
The case supports deriving general principles for improving tidal lagoon inlets, while emphasizing that these differ from estuarine improvement principles.
Research Object
The Aveiro tidal lagoon inlet in Portugal
Research Subject
The inlet’s physiographic evolution and response to human interventions for navigation improvement, including principles of tidal-lagoon-inlet improvement
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Publication Date
1954-01-29
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