Storm-induced readjustment of an embayed beach after modification by protection works

Sancho-García, Amanda; Guillén, Jorge; Ojeda, Elena

doi:10.1007/s00367-012-0319-6

Cited by 25 publications

(11 citation statements)

References 25 publications

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“…Interruptions in the buoy time series were filled in with data from the WANA model, which provides directional wave information every three hours (Spanish Port Authority, 2016). Wave height and period from the WANA model were calibrated through linear regression using the buoy observations from October 2001 to December 2008 (Sancho-García et al, 2013). The daily discharge of the Besòs River was obtained from the Catalan Water Agency gauging station located 2.8 km upstream from the Besòs River mouth.…”

Section: Field Work and Instrumentationmentioning

confidence: 99%

Trace metal variability controlled by hydrodynamic processes in a polluted inner shelf environment (Besòs prodelta, NW Mediterranean)

Palanqués

López

Guillén

et al. 2020

Science of The Total Environment

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Trace metal pollution of coastal sediment is monitored in many countries to control its evolution and the effectiveness of preventive and corrective measures. However, temporal variability of trace metal pollution is not always due to changes in pollution management, as natural processes can induce a significant variability in the trace metal content of sediment and particulate matter, especially in strongly polluted coastal areas. To study this variability, time series of trace metals in particulate matter and bottom sediments were recorded along with hydrographic and hydrodynamic parameters in the most highly polluted zone of the Besòs River prodelta. Two benthic tripods equipped with current meters, turbidimeters and sediment traps were deployed at 20 and 30 m water depth from late-September to mid-June and sediment cores were taken four times at each site during the deployment period. Trace metal content in the trapped particulate matter and the surface sediment increased during storm events, which can 2 resuspend and erode several cm of subsurface sediments with higher pollution levels from earlier industrial times. After the storms, significant accumulation of less polluted sediment began, and near-bottom currents redistributed it, decreasing trace metal contents in surface sediments and trapped particulate matter. Therefore, energy conditions previous to monitoring sampling must be considered in order to evaluate the evolution of trace metals in inner shelf polluted sediments.

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Section: Field Work and Instrumentationmentioning

confidence: 99%

Trace metal variability controlled by hydrodynamic processes in a polluted inner shelf environment (Besòs prodelta, NW Mediterranean)

Palanqués

López

Guillén

et al. 2020

Science of The Total Environment

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“…11), which probably led to a lower pollutant dilution in most rivers and to peaks of several pollutants (PBDEs, PCBs, HCBz, Hg, Cr, Pb, Cd, and Cu) in 2007. In addition, the strongest storms of the 2006-2011 period occurred in 2008 and 2010 [41], with higher river discharge than in 2007 (Fig. 11), which could have reduced the levels of some pollutants on the Barcelona coast.…”

Section: Discussionmentioning

confidence: 95%

Evolution of Chemical Pollution in Catalan Coastal Sediments

Palanqués

Caixach

Belzunces

et al. 2015

The Handbook of Environmental Chemistry

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In 2000 and from 2006 to 2011, a monitoring program was followed along the Catalan inner shelf, using homogeneous analytical methods and sampling strategies and focusing on the main sites of river sediment accumulation at present. Adjacent areas that are potentially vulnerable to pollution were also selected. Trace metals and organic pollutants were analyzed in surface sediment samples. Mean concentrations in each area show a distribution of organic and inorganic pollutants along the Catalan inner continental shelf. The highest concentrations are located on and around the coast of Barcelona city for most pollutants and locally on the coast of Tarragona city and the Ebre Delta for some of them. The concentrations tend to decrease gradually southward and sharply northward of Barcelona. The trace metal that shows the highest anomalies is Hg (max. enrichment factor, 34), whereas Cd, Zn, Cr, Pb, and Cu show more moderate anomalies. Sediment polycyclic aromatic hydrocarbons, 4-nonylphenols (metabolites of nonylphenol polyethoxylated, nonionic surfactant), polybrominated diphenyl ethers, polychlorinated biphenyls, and dichlorodiphenyltrichloroethane are also significant. The time evolution of most trace metals shows a decreasing trend mainly between 2000 and 2006, whereas between 2006 and 2011 trends of trace metals and organic pollutants are not clear, as some of them increased and others decreased and many of them peaked in 2007 and 2009. The greatest decreases in trace metals were in the most polluted areas.

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“…Recent advances in imaging and remote sensing technologies for data collection, combined with improved methods of analysis, has the potential to provide such data in a cost effective way e.g., through stationary video camera images of the coastal zone such as ARGUS and similar systems (Gallop et al, 2011a(Gallop et al, , 2011b(Gallop et al, , 2011cHolman et al, 2013;Sancho-García et al, 2013) and structure-frommotion photogrammetry (Ružić et al, 2014). While numerical modeling of long-term coastal change has advanced significantly, there are still many problems such as with allowing feedback between models at different scales, and how to model beach recovery processes.…”

Section: Discussionmentioning

confidence: 99%

The impact of temperate reefs on 34 years of shoreline and vegetation line stability at Yanchep, southwestern Australia and implications for coastal setback

et al. 2015

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Storm-induced readjustment of an embayed beach after modification by protection works

Cited by 25 publications

References 25 publications

Trace metal variability controlled by hydrodynamic processes in a polluted inner shelf environment (Besòs prodelta, NW Mediterranean)

Trace metal variability controlled by hydrodynamic processes in a polluted inner shelf environment (Besòs prodelta, NW Mediterranean)

Evolution of Chemical Pollution in Catalan Coastal Sediments

The impact of temperate reefs on 34 years of shoreline and vegetation line stability at Yanchep, southwestern Australia and implications for coastal setback

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