Hazard and vulnerability assessment of the damages produced in Barcelona in case of heavy storm events

This paper discusses the design of discharge strategies for urban drainage operation. The design procedure applies a tuneable strategy which can be adjusted to a specific situation by adjusting a few parameters which reflect the discharge priority of the various districts of the system. The actual design procedure, a procedure of simulation and analysis of the system performance, is explained in a case study. Apart form the method, the case study shows that a near optimal performance (maximum reduction of overflow volume) can be realised by applying an “event” average strategy (one strategy for all type of inflow events). Furthermore, the case study shows that the major part of the total overflow volume is caused by very heavy storm events.

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Vulnerability assessment of a lagoon to sea level rise and storm events: Nador lagoon (NE Morocco).

Journal of Coastal Research ◽

10.2112/si65-136.1 ◽

2013 ◽

Vol 65 ◽

pp. 802-807 ◽

Cited By ~ 22

Author(s):

Otmane Raji ◽

Saida Niazi ◽

Maria Snoussi ◽

Laurent Dezileau ◽

Abdou Khouakhi

Keyword(s):

Sea Level Rise ◽

Sea Level ◽

Vulnerability Assessment ◽

Storm Events

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Vulnerability assessment of nearshore clam habitat subject to storm waves and surge

Scientific Reports ◽

10.1038/s41598-020-80863-4 ◽

2021 ◽

Vol 11 (1) ◽

Author(s):

Yao Zhang ◽

Gang Wang ◽

Qingjie Li ◽

Wanru Huang ◽

Xunan Liu ◽

...

Keyword(s):

Vulnerability Assessment ◽

Probability Function ◽

Benthic Communities ◽

Loss Probability ◽

Storm Events ◽

Storm Waves ◽

Damage States ◽

Hydrodynamic Disturbance ◽

Wave Shoaling ◽

Northeast Coast

AbstractPresent work studied the lesion mechanism of coastal clam and its vulnerability assessment subject to the hydrodynamic disturbance of extreme storm events. A clam habitat at the northeast coast of China was chosen for the demonstration study. Relocation failure after passive transport due to excessive substrate erosion or suffocation in anoxic burial under overburdening sedimentation was identified the major cause of negative biomass responses during the storm. Based on the biological propensity and physiological sensitivity of the clam, a tunable loss probability function correlating the mortality with the shell length and the seabed change was proposed. A hydrodynamic model was then adopted to compute the sediment transport and net changes in the seafloor in response to the comprehensive process of storm waves and surge. The spatial distribution of the damage states was evaluated based on the numerical results incorporating the loss probability function. The estimated damage was mainly concentrated along the wave shoaling and breaking belts parallel to the shoreline. High surge levels pushed the “damage belt” shoreward, in which case large waves were able to propagate close to the shoreline before breaking. The scientific findings are helpful to better understand the vulnerability of the clam habitat to the storm disturbance. The study result as well provides a practical methodology of the storm risk assessment for benthic communities in broader ecological and geophysical scopes. The methodology are expected to be further validated and improved by more widespread sampling on coastal ecosystem or mariculture that will withstand future storms.

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