Hi Rodger, Thanks. Up until recently I thought the color changes were all due to natural processes but someone emailed me recently saying that part of the change is due to chemicals put in the water to speed up evaporation. But regardless of the reason, when I flew over the area earlier this week all of the evaporation ponds out there were really taking on striking colors. And it's fun to circle them and watch as the colors change depending on which angle the sunlight is coming from. Cheers, patrick Sent from my iPad
On Mar 7, 2014, at 16:43, "Rodger C. Fry" <rcfry@comcast.net> wrote:
Patrick,
Great shot. The change in color is a secondary effect of the higher salinity (near super-saturation) in the north end of the lake. The color is the result of "Rhodophyta" red algae that thrives in the hyper-saline water. It causes a striking change in color with the "Cyanobacteria", blue/green algae that thrives in the saline water south of the causeway.The algal mats on the bottom of the lake on the south side of the causeway are significant and have been intensely studied.
Rodger C. Fry
-----Original Message----- From: utah-astronomy-bounces+rcfry=comcast.net@mailman.xmission.com [mailto:utah-astronomy-bounces+rcfry=comcast.net@mailman.xmission.com] On Behalf Of Bruce Hugo Sent: Friday, March 07, 2014 1:23 PM To: utah-astronomy@mailman.xmission.com Subject: Re: [Utah-astronomy] Patrick does it again!
Cool shot Patrick!
------------------------------ Spectacular photo of the Great Salt Lake and the way its causeway divides into two distinct arms by Patrick Wiggins -- today's Earth Science Picture of the Day.
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