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From Patagonia - dust and its impact on snow melt

post #1 of 12
Thread Starter 
http://www.patagonia.com/us/patagonia.go?assetid=65857

I thought this was interesting. We'll be censured if we talk about GW.
post #2 of 12

The season before last the spring snowpack in the San Juans of SW Colorado contained 14 separate dust layers.

post #3 of 12

Season before last the dust was the worst I'd ever seen, but it's not a new phenomena.  I also remember some pretty big dust storms in the 80's. 

 

Climate change is real.  Did man cause it or more importantly, do anything about it?

 

Better just learn to deal with it!

post #4 of 12
Thread Starter 

I don't deny GW, but in this case, I wonder if these dust storms took place in the early 1900s.  Have they been around but not noticed as much.

 

I thought it was interesting to read.  She said that the dust is tough on the wax.

post #5 of 12

We we went skiing on July 14th, I asked why all the "red" in the snow.  Dookey and Stev told me about this dust at that time.  Its very interesting to say the least.

I'm not sure if its tough on the wax, but it made for an interesting time cleaning the bases.

 

post #6 of 12
Quote:
Originally Posted by Trekchick View Post

We we went skiing on July 14th, I asked why all the "red" in the snow.  Dookey and Stev told me about this dust at that time.  Its very interesting to say the least.

I'm not sure if its tough on the wax, but it made for an interesting time cleaning the bases.

 



Don't you get some pink moldy growth in California snow, too? That's what I always heard. 

 

There were red streaks in the snow at St Mary's yesterday, but I don't think it was dust, I think it was mold of some sort. 

 

Two seasons ago, when we had so much dust here, I was at ABasin on a lonely spring day, and hit some untracked off Zuma Cornice ... when I looked at my tracks riding back up the lift, they were reddish, surrounded by the white snow. It looked kind of cool. 

post #7 of 12

It could be algae.  th_dunno-1[1].gif

 

At least the spring snow cleaned off your ski bases, eh?

 

post #8 of 12
Quote:
Originally Posted by Trekchick View Post

It could be algae.  th_dunno-1[1].gif

 

At least the spring snow cleaned off your ski bases, eh?

 


Yeah, that's what I meant. Algae. 

 

Where would dust come from in California, though?

 

post #9 of 12
Quote:
Originally Posted by segbrown View Post

Yeah, that's what I meant. Algae. 

 

Where would dust come from in California, though?

 



Lots of high desert around here.  Who really knows?  th_dunno-1[1].gif

post #10 of 12

Dust storms are a part of the weather cycle.  A couple of years ago we woke to apocalyptic scenes here in Sydney.  Reading this report it seems we managed to dust up the snow in New Zealand.

 

http://www.theage.com.au/environment/red-alert-as-big-dust-storm-blankets-sydney-20090923-g2on.html

 

The South American resorts will be experiencing something similar this year.  At least we don't have much in the way of volcanoes hereabouts.

post #11 of 12

Frankly I was amazed that people were still out jogging.  Nutters, one and all.

post #12 of 12

Here'some interesting stuff.  On of my complaints about the whole global warming scene has been the focus on CO2, with particulates ignored in the models and proposed regulations.

 

 

 

Dirty Snow May Warm Arctic As Much As Greenhouse Gases

ScienceDaily (June 7, 2007) — The global warming debate has focused on carbon dioxide emissions, but scientists at UC Irvine have determined that a lesser-known mechanism – dirty snow – can explain one-third or more of the Arctic warming primarily attributed to greenhouse gases.

 

http://www.sciencedaily.com/releases/2007/06/070606113327.htm

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