See also here: http://www.surfingvancouverisland.com/weather/seafoam.htm
And from a website on my local river, the Huron:
Is the foam seen in the river pollution?
Foam is often seen along lakeshores and on streams and rivers. Most foam is natural and does not indicate pollution. Foam forms when water is mixed with air, such as by a waterfall or waves breaking against the shore. Plants and animals release organic compounds as they decompose, and these compounds lessen the surface tension of water and create bubbles.
(from this page: http://www.a2gov.org/PublicServices/SystemsPlanning/Environment/HuronRiver.html )
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ninetydegrees
no subject
2007-04-17 04:02 (UTC)http://www.surfingvancouverisland.com/weather/seafoam.htm
And from a website on my local river, the Huron:
Is the foam seen in the river pollution?
Foam is often seen along lakeshores and on streams and rivers. Most foam is natural and does not indicate pollution. Foam forms when water is mixed with air, such as by a waterfall or waves breaking against the shore. Plants and animals release organic compounds as they decompose, and these compounds lessen the surface tension of water and create bubbles.
(from this page: http://www.a2gov.org/PublicServices/SystemsPlanning/Environment/HuronRiver.html )