Siliggy,

It's the big particles from space you need to worry about. LOL
http://www.i24news.tv/en/news/technology/108474-160404-ashes-to-algae-how-the-asteroid-that-wiped-out-life-could-have-helped-revive-it

As for the brown stuff, add nutrient from all the urine and kitchen grey water dumped daily from 7 billion people into the same locations in the water biological ecosystem of this planet. Every day.

It's just like too much fertilizer on a garden, damage occurs instead of prime growth.

That the algae blooms are NOT caused by sewage can also be seen from location and timing.
A quick look at world algae bloom maps would lead you to think sewage is related but look again and notice the effect of observer density on a tectonic earthquake map.
"The authors claim that you can detect a rise in sea surface temperature just before large coastal earthquakes. The blooms observed in this study are, they say, result from an increased flow of heat energy from the ocean to the atmosphere, enhancing the upwelling of cold, nutrient rich water and fuelling a boom in the growth of photosynthetic algae."
http://all-geo.org/highlyallochthonous/2007/05/algae-and-earthquake-precursors/
Earthquakes on this planet have mainly extra-terrestrial origins. This recent chart below explains a solar magnetic cause so well a child can see it.
http://spaceweathernews.com/spf
That link and this connection between the cosmic ray cloul albedo effect thanks to SO news.
"Effect of near-earth thunderstorms electric field on the intensity of ground
cosmic ray positrons/electrons in Tibet"
https://arxiv.org/ftp/arxiv/papers/1604/1604.00128.pdf
Planckton react to Ultraviolet light to produce DMS this inturn creates cloulds so a clear relatioship between the solar cycles UV changes and clouds can be seen without the cosmic ray cloud albedo effect. It is the sun either way!
NASA "When Sun's Too Strong, Plankton Make Clouds"
http://www.nasa.gov/vision/earth/environment/0702_planktoncloud.html
Finaly the earths magnetic field guides cosmic dust to spiral down at the poles. This dust would provide nutrients for algae if it did not get stuck in ice. As soon as the annual ice melt comes though it happens. Thus the natural and normal algae under the Arctic.

JF AUS
See my above but also the proof you are wrong is within your own text.
"As for the brown stuff, add nutrient from all the urine and kitchen grey water dumped daily from 7 billion people into the same locations in the water biological ecosystem of this planet. Every day."
It is that every day part. Every day is not a spike is it?
A lot can be seen from frequency response. Planckton can double in population in just one day. Photosynthesis is an endothermic reaction that removes heat by storing energy as glucose. If there were the possibility of sewage spike this rapid change in population would negate it quickly. We need to urgently get our atmospheric CO2 up to a safer 3 to 7000PPM because an extra terestrial fertilisation event could bring enough nutrients to alow this rate of growth (doubling every day) to use up all avalable CO2. Without this lovely life giving gas every thing on the surface would die. and due to the endothermic reaction it would bring on a sudden ice age as all the oceans heat turns to glucose and sinks to the bottom. One day1 normal CO2 draw down then,2 times then, 4, 8, 16, 32, 64, 128, 256, 512, 1024. After just ten days the CO2 draw down rate would be over a thousand time normal.

JF Aus
You are certainly right that our poop would change the type of algae though. All the junk we eat and prescription drugs we take etc must alter the type of algae that would survive best.
In this animation of recent sea surface temperatures watch at 15.3767° S, 166.9592° E.
http://www.ospo.noaa.gov/Products/ocean/sst/anomaly/anim_2mfull.html
This is Vanuatu. A 6.9 Earthquake hits April 3.
Is Peru, Ecuador or Chile next? Is that another El Nino on the way or a last gasp. What about that red line on the North American west coast?

Leo

As stated before you should do comedy routines.

The technique you use is to attack the individual and not the content.

"The source of this material is Windows to the Universe, at http://windows2universe.org/ from the National Earth Science Teachers Association (NESTA). The Website was developed in part with the support of UCAR and NCAR, where it resided from 2000 - 2010. © 2012 National Earth Science Teachers Association. Windows to the Universe® is a registered trademark of NESTA. All Rights Reserved. See our copyright and licenses page for information about how you can use our materials.Site policies and disclaimer." From a previous reference.

Twice references have been given to experimentation observing CO2 and IR.

Experimentation is part of science.

Also, the ARM 11 year study in the environment at two locations showed the reaction between IR and CO2. A reference provided on numerous occasions in relation to other articles you have responded too.

You display a text book case of psychological projection. The couple of examples display discussion of science.

Your problem is that climate science does not agree with your opinions. Opinion is different to objectifying data in a scientific way.

Your other problem is that very few peer reviewed papers are published by skeptical scientists in Science journals.

In the US a number of Attorney Generals are planning on investigating ExxonMobil in relation to providing mixed messages about climate change and funding denier groups.

http://www.huffingtonpost.com.au/entry/attorneys-exxon-probe_us_56fab959e4b0a372181b113d?section=australia

Siliggy,

I expect tectonic movement would resuspend considerable nutrient matter likely to feed common algae and trigger algae blooms, but the nutrient loading involved would add to the total loading that includes nutrient from sewage and land/sea use.

Some authors see one thing while others see another. There is need for scientific research resources to establish reality.

Algae grows in surface water, not in deep water.
It's warmth from surface water that rises into atmosphere somewhere every day.

The spike occurs sometimes, for example when tides and winds allow or cause a build up of nutrient and overload to occur. It's like cloud that has to become saturated with moisture before rain falls down. The moisture is not everywhere, neither is the nutrient overload.

I suggest you go back a few pages on this thread and look into links and photos I posted to Jennifer Marohasy. Can you then say increase in ocean and lake algae is not linked to human related nutrient waste sometimes amounting to pollution?

Do you mean the red line on the north American EAST coast?
If so, that is warmth amounting from algae in the south including sargassum algae including in the "Sargasso Sea".
The North Atlantic Drift (Gulf Stream) runs in the red line area.
That current is loaded with nutrient from Caribbean and even Amazon/Brazil nutrient overloaded waters.

A key to movement of nutrient is alongshore current, or longshore current. Rivers and sewage outfalls do not just run water and nutrient out to sea.
On the Australian east coast the alongshore current transports dissolved nutrient northwards to Cape York via the GBR lagoon.

Siliggy, I have a long term underwater ocean exploration and filmmaking background, the latter requiring good visibility not clouded by algae. Increase in algae spoils visibility and annoys me so obviously I am aware of change I have seen. That includes being in the Caribbean and North Atlantic in 1970.

Since 1982 I have researched and studied what I have seen.
In other words I am not talking off the top of my head or solely from reading literature.