Sequential webcam monitoring and modeling of marine debris abundance

Marine Pollution Bulletin
Shin'ichiro KakoThomas A Murphy

Abstract

The amount of marine debris washed ashore on a beach in Newport, Oregon, USA was observed automatically and sequentially using a webcam system. To investigate potential causes of the temporal variability of marine debris abundance, its time series was compared with those of satellite-derived wind speeds and sea surface height off the Oregon coast. Shoreward flow induced by downwelling-favorable southerly winds increases marine debris washed ashore on the beach in winter. We also found that local sea-level rise caused by westerly winds, especially at spring tide, moved the high-tide line toward the land, so that marine debris littered on the beach was likely to re-drift into the ocean. Seasonal and sub-monthly fluctuations of debris abundance were well reproduced using a simple numerical model driven by satellite-derived wind data, with significant correlation at 95% confidence level.

References

May 12, 2001·Environmental Science & Technology·Y MatoT Kaminuma
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Jun 17, 2009·Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences·Peter G RyanColeen L Moloney
Apr 16, 2010·Marine Pollution Bulletin·Shin'ichiro KakoShinya Magome
Nov 26, 2010·Marine Pollution Bulletin·Shin'ichiro KakoAzusa Kojima
Feb 9, 2011·Marine Pollution Bulletin·Timothy S Veenstra, James H Churnside
Jul 4, 2012·Marine Pollution Bulletin·Tomoya KataokaShin'ichiro Kako
Aug 25, 2012·Environmental Science & Technology·Etsuko NakashimaShin Takahashi
Feb 14, 2015·Science·Jenna R JambeckKara Lavender Law
Feb 15, 2015·Marine Pollution Bulletin·S C Gall, R C Thompson

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Citations

Nov 14, 2020·The Science of the Total Environment·C PieperA Martins
Jan 28, 2020·The Science of the Total Environment·Gabriella F SchirinziDamià Barceló
May 31, 2021·Marine Pollution Bulletin·Umberto AndrioloSilvia Merlino
Jul 2, 2021·Marine Pollution Bulletin·Enda MurphyAbolghasem Pilechi

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