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In the Race

Now, here, you see, it takes all the blogging I can do to keep in the same place.
If I want to get somewhere else, I must blog twice as fast as that!
You see, I'm in the Red Queen's Race...

Ultimate Sunscreen or Mountainous Folly?

By Janet Evans
Saturday, Aug 16 2008, 06:45 PM

For years the German’s have been protecting their highest peak, the
Zugspitz, by spreading reflective foil tarps over the ski slopes.  They believe this “sun screen” of sorts will fight against “global warming.”


"The cover keeps off the heat and channels away rainwater," said Manfred Haas, who manages a team that grooms the ski area with bulldozers and graders. "Every autumn we make note of where the glacier has melted the most and cover those places the following spring."


Only the ski area on the mountain is covered with tarps


The German’s believe covering up glacial areas can highly reduce melting.  But they also know that this is not very practical  Now they've come up wih a wind screen.


"Geographer Hans-Joachim Fuchs in the western German city Mainz has another idea. He wants to harness the power of cold mountain winds -- so-called kabatic winds, or streams of cold, dense air that flow downhill -- with windscreens. The screens would keep the cool air on top of the glaciers, perhaps preserving them for a little while longer.

Fuchs has been proposing this idea for years, and this week he's putting it to the test. On Monday, Fuchs and 27 students headed to the Rhone glacier in Switzerland to install a windscreen measuring 15 meters long (50 feet) and 3 meters high at an elevation of 2,300 meters (7,545 feet) on the leading edge of the glacier. He'll be measuring the effectiveness of the screen to see if it's a viable solution."

Click on the picture to see a photo slide show of Fuchs and his students :


Read the full article about Fuchs and what a glaciolgist has to say


HERE




Don't you wish you could have a job like that?

"Windscreen Could Save Glaciers?"  Covers over the ski slopes?  There's a lot of crazy stuff going on that most of us have never heard about.  I'll be waiting to hear the results of this colossal experiment.  That's if a giant gust of mountain wind doesn't knock over the screen first.


Comments

David Murphy   

I wonder how much energy is involved in producing the foil tarps and windscreens?  I'm no scientist, but from what I remember, energy such as heat is never lost.  If you make one area cooler, it just makes something else warmer.  

Air conditioning doesn't ever seem to make the outdoors cooler.  It creates heat.  Duh.  I know there is likely a heat island effect in very concentrated areas of large heated buildings.  The heat and cold have to go somewhere and while I'm not a scientist, people can only control the temperatures of very small (relatively), mostly indoor places.  

August 17, 2008 12:31 AM

Janet Evans   

David,

I just can't see us dropping tarps over all the mountains.  And fiscally, that seems impossible.

As far as heat...heat rises, does it not?

August 17, 2008 9:10 AM

David Murphy   

We can't seem to cool any large outdoor area on purpose.  We don't even try to cool Miller Park.  It would cost quite a bit.  It is possible and I believe some domed stadiums are air-conditioned, it does cost quite a bit.  It uses lots of energy and then creates heat.

It's curious to note that unless one is very near an air-conditioning condenser, the heat given off doesn't affect ambient temperatures much.  Stand next to an air-conditioned car.  It will be warm on a hot day.  Walk a few steps away, the air starts to noticeably cool.  

The screens probably would actually help a little were they are placed.  But, like I said, you need energy to produce and place them.  Then the heat goes somewhere else.  I'm not a scientist, but it isn't possible to defeat the laws of thermodynamics.  Al Gore isn't a scientist either.  Someone needs to tell him that.

August 17, 2008 11:39 PM

David Murphy   

I read the story again.  The screen is 50x10 feet.  Global warming solved.

August 18, 2008 12:03 AM

Janet Evans   

"Global" is an understatement.

August 18, 2008 6:56 PM

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