747-600X
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What's Wrong With This Mountain?!

Sun Jul 04, 2004 4:38 pm

Notice the horizontal lines at right... what on Earth (pun intended!)?


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Photo © Peter Merz


 
L-188
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RE: What's Wrong With This Mountain?!

Sun Jul 04, 2004 4:41 pm

Hiking trail to the top.

I don't have a good picture of Flattop mountian, right here in Anchorage, but you can also see the trail pretty clearly.

Edit, oh, wait, I see what you are looking at (next time I will blow it up large) anyway, ummm don't know.

shrubs planted in a row on the shallower slopes for avalance prevention?

[Edited 2004-07-04 09:43:02]
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747-600X
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RE: What's Wrong With This Mountain?!

Sun Jul 04, 2004 4:43 pm

That's a rather vivid trail. When you go out to Mt. Rainier in Washington, (or down to it, in your case) you can barely see hikers with strong binoculars, much less any of the trails. If it's a trail, then why do the lines all seem parallel - none seem to gain any altitude?
 
L-188
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RE: What's Wrong With This Mountain?!

Sun Jul 04, 2004 4:45 pm

I think you posted when I was editing my first reply.

Was this shot with a digital?

It might be a weird muck up with a certian color.
OBAMA-WORST PRESIDENT EVER....Even SKOORB would be better.
 
747-600X
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RE: What's Wrong With This Mountain?!

Sun Jul 04, 2004 4:52 pm

Yeah, I was gonna' say - I've been to Anchorage (not sure that I know where Flattop Mt.) on my way up to Fairbanks, and seen hiking trails in the Rockies, Mt. Rainier, and in Denali N.P. - if those were trails, perhaps they're enclosed. (Now where's the fun in that?!)
 
DLKAPA
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RE: What's Wrong With This Mountain?!

Sun Jul 04, 2004 5:12 pm

Actually, those are very large snow barriers used to control and prevent avalanches. Note that they are placed up high and on bare terrain. They anchor the snowpack in the wintertime so that it can't come loose and bury anything below it.
And all at once the crowd begins to sing: Sometimes the hardest thing and the right thing are the same
 
L-188
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RE: What's Wrong With This Mountain?!

Sun Jul 04, 2004 5:14 pm

Yeah, I was just looking one mountiain too far to the right.

Notice there is a trail on the next one over.
OBAMA-WORST PRESIDENT EVER....Even SKOORB would be better.
 
Leskova
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Joined: Wed Oct 08, 2003 3:39 pm

RE: What's Wrong With This Mountain?!

Sun Jul 04, 2004 5:28 pm

L-188, one mountain too far to the right? The horizontal lines are on the mountain that's the furthest to the right... (at least if B747-600X means the black horizontal lines)...

Having seen the same thing on mountains a few times, I had someone explain it to me... and the explanation was exactly the one that DLKAPA provided.

Avalanche Barriers.

Regards,
Frank
Smile - it confuses people!
 
L-188
Posts: 29881
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RE: What's Wrong With This Mountain?!

Sun Jul 04, 2004 5:41 pm

OK, just a little bit of dislexia setting in.

That would be stage right  Laugh out loud
OBAMA-WORST PRESIDENT EVER....Even SKOORB would be better.
 
Leskova
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RE: What's Wrong With This Mountain?!

Sun Jul 04, 2004 5:43 pm

Stage Right? Ok... I'll buy that...  Big grin

Anyhow, here are two links to systems like the one that's visible in the picture:

http://www.ac-grenoble.fr/heroult/risqmaj/seconde7/avalanches_hier/av3angl.htm
http://www.geobrugg.com/us/index.lasso

Smile - it confuses people!
 
747-600X
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RE: What's Wrong With This Mountain?!

Mon Jul 05, 2004 7:35 pm

What a bevy of knowledge! I love it - I was wondering what mountain L-188 was seeing over on the right, too, but I'm glad we worked that out  Big grin. I've never seen snow barricades like that here in the States. Probably have 'em somewhere, but I've never come across them before. Nice idea, though not very aesthetic!
 
Leskova
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RE: What's Wrong With This Mountain?!

Tue Jul 06, 2004 3:46 am

747-600X, I guess the people living in the valleys below those things would probably also prefer it, if they were invisible... they're really not very eye-pleasing...

But, at the end of the day (or, in this case, all throughout winter), having those ugly things up there does beat getting burried under an avalanche...

I think the reason why you're not seeing those in the states is that, as far as I know, the more common practice in the US (and, I think, Canada as well) is to use explosives to remove the snow-plates that are in danger of becoming avalanches - basically by creating a "controlled avalanche".
Smile - it confuses people!
 
MD11Engineer
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RE: What's Wrong With This Mountain?!

Tue Jul 06, 2004 4:08 am

Those things are usualy only placed where there is a village directly beneath the dangerous slope, not everywhere. In other places they use controlled explosions to bring down avalanches before they can become dangerous. The Alps are probably a bit more populated than the Rocky Mountains as well.

Jan
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