Natural Science

Volume 9, Issue 6 (June 2017)

ISSN Print: 2150-4091   ISSN Online: 2150-4105

Google-based Impact Factor: 2.52  Citations  h5-index & Ranking

Henderson Island’s Plastic: An Explanation

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DOI: 10.4236/ns.2017.96017    813 Downloads   1,269 Views  
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ABSTRACT

Plastic has been accumulating on the beaches of Henderson Island in vast quantities according to recent news reports. It is proposed that the plastic is brought to the island by a very broad permanent surface current flowing southeastward past the island. Other characteristics of the flow are that its temperature is relatively high, its depth is shallow (about 100 m), its speed is sluggish (10 - 20 cm/sec), and by broad is meant more than 5000 km along 28 S. Henderson Island is located at the east/west midpoint of this wide warm current (130 W). By knowing more definitely where the plastic is coming from, than the vague suggestions provided by the news sources, it may be possible in the future to slow down or stop the piling up of trash on what were pristine beaches of this World Heritage Site.

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Kenyon, K. (2017) Henderson Island’s Plastic: An Explanation. Natural Science, 9, 159-161. doi: 10.4236/ns.2017.96017.

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