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02-08-2018, 20:19
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#1
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Registered User
Join Date: Sep 2010
Location: San Francisco, CA
Boat: 1980 Pearson 323 - 34ft LOA
Posts: 641
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Brown Particles On Water
I’ve seen streams of this in several places up and down the Oz coast, does anyone know what it’s all about? There’s a lot of it near Abbot Pt currently.
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03-08-2018, 00:33
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#2
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Registered User
Join Date: Oct 2017
Location: Somewhere on the Ocean
Boat: Lagoon 440
Posts: 1,470
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Re: Brown Particles On Water
Quote:
Originally Posted by theway
I’ve seen streams of this in several places up and down the Oz coast, does anyone know what it’s all about? There’s a lot of it near Abbot Pt currently.
Attachment 174803
Attachment 174802
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Seen something like that in Perth once - We reckon that it was sewerage - Accidental uncleaned discharge
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03-08-2018, 01:08
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#3
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Registered User
Join Date: Aug 2016
Location: Queensland, Australia
Boat: Leopard 42
Posts: 110
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Re: Brown Particles On Water
Quote:
Originally Posted by theway
I’ve seen streams of this in several places up and down the Oz coast, does anyone know what it’s all about? There’s a lot of it near Abbot Pt currently.
Attachment 174803
Attachment 174802
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I had thought it was coral spawn, but is probably an algal bloom.
https://www.ryanmoodyfishing.com/tri...h-coral-spawn/
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03-08-2018, 02:10
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#4
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Registered User
Join Date: Nov 2013
Location: Port Moresby,Papua New Guinea
Boat: FP Belize Maestro 43 and OPBs
Posts: 12,891
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Re: Brown Particles On Water
Swampbush is correct. It's algal bloom. Probably Trichodesmium (sea sawdust), quite common in Qld (and PNG) waters. Capt Cook described them
https://en.wikipedia.org/wiki/Tricho...3-07_19-59.jpg
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03-08-2018, 02:14
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#5
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Registered User
Join Date: Mar 2014
Location: Moreton Bay
Boat: US$4,550 of lead under a GRP hull with cutter rig
Posts: 2,183
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Re: Brown Particles On Water
Quote:
Originally Posted by swampbush
I had thought it was coral spawn, but is probably an algal bloom.
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+1 on algal bloom. Today is the 22nd day of the 6th moon. Last Quarter, so to speak. Neap tides.
Smart corals spawn at spring tides, usually at or just after Full Moon. So on about 15th or 16th day of a moon.
__________________
“Fools say that you can only gain experience at your own expense, but I have always contrived to gain my experience at the expense of others.” - Otto von Bismarck
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03-08-2018, 11:36
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#6
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Registered User
Join Date: Dec 2008
Location: SC
Boat: None,build the one shown of glass, had many from 6' to 48'.
Posts: 10,206
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Re: Brown Particles On Water
Red tide? Algal bloom.
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03-08-2018, 16:26
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#7
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Registered User
Join Date: Nov 2013
Location: Port Moresby,Papua New Guinea
Boat: FP Belize Maestro 43 and OPBs
Posts: 12,891
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Re: Brown Particles On Water
Quote:
Originally Posted by Cadence
Red tide? Algal bloom.
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Brown tide
(Red tides are generally "harmful algal bloom" with toxins. Brown tides are more innocuous)
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03-08-2018, 18:59
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#8
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Registered User
Join Date: Aug 2018
Posts: 1
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Re: Brown Particles On Water
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03-08-2018, 20:34
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#9
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Moderator Emeritus
Join Date: Oct 2013
Location: Jacksonville/ out cruising
Boat: Island Packet 38
Posts: 31,348
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Re: Brown Particles On Water
What nobody is going to blame global warming
Why just today I read that was the reason that so far in the US we have had a quiet hurricane season.
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03-08-2018, 21:13
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#10
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Registered User
Join Date: Nov 2013
Location: Port Moresby,Papua New Guinea
Boat: FP Belize Maestro 43 and OPBs
Posts: 12,891
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Re: Brown Particles On Water
Quote:
Originally Posted by a64pilot
What nobody is going to blame global warming
Why just today I read that was the reason that so far in the US we have had a quiet hurricane season.
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That haven for alarmists, Wikipedia manages to sneak it into the end of the Trichodesmium entry:
Likewise, global warming is projected to increase stratification and cause a shallowing of the mixed layer depth. Both of these factors are associated with Trichodesmium blooms and may also cause an increase in the occurrence of blooms in the future. (followed by a citation which doesn't support the contention in the least )
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03-08-2018, 21:31
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#11
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Registered User
Join Date: Sep 2011
Location: On a boat
Boat: 1987 Cabo Rico 38 #117 (sold) & 2008 Manta 42 #124
Posts: 4,177
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Brown Particles On Water
The great thing about Wikipedia is everyone can contribute, submit their own information, and if needed correct the info... rather than just complain that something is incorrect.
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03-08-2018, 21:47
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#12
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Registered User
Join Date: Nov 2013
Location: Port Moresby,Papua New Guinea
Boat: FP Belize Maestro 43 and OPBs
Posts: 12,891
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Re: Brown Particles On Water
Quote:
Originally Posted by zboss
The great thing about Wikipedia is everyone can contribute, submit their own information, and if needed correct the info... rather than just complain that something is incorrect.
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The bad thing about Wikipedia is that people with a mission and a lot of time on their hands will just keep reverting corrections.
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04-08-2018, 00:04
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#13
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Registered User
Join Date: Apr 2007
Location: Australia
Boat: Island Packet 40
Posts: 6,501
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Re: Brown Particles On Water
Yep, definitely either global warming or water born effluent from coal fired power stations or radiation converting bacteria from nuclear power stations.
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04-08-2018, 02:44
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#14
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Senior Cruiser
Join Date: Mar 2003
Location: Thunder Bay, Ontario - 48-29N x 89-20W
Boat: (Cruiser Living On Dirt)
Posts: 51,683
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Re: Brown Particles On Water
Greetings and welcome aboard the CF, S.V. Tuan.
__________________
Gord May
"If you didn't have the time or money to do it right in the first place, when will you get the time/$ to fix it?"
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04-08-2018, 04:17
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#15
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Registered User
Join Date: May 2006
Posts: 1,423
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Brown Particles On Water
what’s that off in the distance... looks like the stern of one of the forum members boats... you know the one.... argumentative and think they know everything! more than likely dumped their tank....
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