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Yellow dust will be worst ever this year.
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VanIslander



Joined: 18 Aug 2003
Location: Geoje, Hadong, Tongyeong,... now in a small coastal island town outside Gyeongsangnamdo!

PostPosted: Fri Feb 27, 2004 9:24 pm    Post subject: Reply with quote

EDIT: On second thought I delete my reply to the chicken's question.

Last edited by VanIslander on Fri Feb 27, 2004 9:26 pm; edited 2 times in total
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just because



Joined: 01 Aug 2003
Location: Changwon - 4964

PostPosted: Fri Feb 27, 2004 9:24 pm    Post subject: Reply with quote

Kwangjuchicken wrote:
BUT what is the "sand" made of?

This might help http://www.aaar.org/ast_abst/v35n0103.htm
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desultude



Joined: 15 Jan 2003
Location: Dangling my toes in the Persian Gulf

PostPosted: Sat Feb 28, 2004 2:25 am    Post subject: Reply with quote

Quote:
Kwangjuchicken

I often wonder if the English papers in Korea are writing for children, or if they just think we are stupid.
I have read every article I can find about "Yellow Dust", but not once have they told us what it is. I sure would like to know. For example, if it is sulphur, iron, or iron sulfite, I would not be nearly as concerned as I would be if it were some type of silicate.
If it is a mineral that is easily absorbed into the blood from the lungs and later urinated out, I would "breather easier" knowing that, than if it is some mineral that can build up in the lungs permanently.

So, does anyone know what it really is? I am not a baby. "Oh. looky mommy yellow dust."


Its grit, good for your digestion, chicken.
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Zed



Joined: 20 Jan 2003
Location: Shakedown Street

PostPosted: Mon Mar 01, 2004 12:36 am    Post subject: Reply with quote

Zed wrote:
I would have thought that the area that the dust comes from would still be bloody cold now. Frozen earth doesn't blow away easily.

Since no one addressed this:

Dalanzadgad, SE Mongolia (south Gobi) today: high -24 C

Sainshand, SE Mongolia (east Gobi) today: high -25 C

Mandalgovi, SE Mongolia (middle Gobi) today: -28 C

Zhangjiakou, Inner Mongolia, China (extreme east Gobi) today: -13 C

Erenhot, Inner Mongolia, China (east Gobi) today: -24 C

This sand is blowing out of these places now?
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Kwangjuchicken



Joined: 01 Sep 2003
Location: I was abducted by aliens on my way to Korea and forced to be an EFL teacher on this crazy planet.

PostPosted: Mon Mar 01, 2004 1:11 am    Post subject: Reply with quote

Zed wrote:
Zed wrote:
I would have thought that the area that the dust comes from would still be bloody cold now. Frozen earth doesn't blow away easily.

Since no one addressed this:

Dalanzadgad, SE Mongolia (south Gobi) today: high -24 C

Sainshand, SE Mongolia (east Gobi) today: high -25 C

Mandalgovi, SE Mongolia (middle Gobi) today: -28 C

Zhangjiakou, Inner Mongolia, China (extreme east Gobi) today: -13 C

Erenhot, Inner Mongolia, China (east Gobi) today: -24 C

This sand is blowing out of these places now?



I don't imagine DRY dust cares if it is -99999999999999999999, Wink the wind wil lstill blow it. Remember, it comes from a DESERT DRY. Very Happy
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VanIslander



Joined: 18 Aug 2003
Location: Geoje, Hadong, Tongyeong,... now in a small coastal island town outside Gyeongsangnamdo!

PostPosted: Mon Mar 01, 2004 5:22 am    Post subject: Reply with quote

I used to think yellow dust was gold or phosphates. Now I know it's sand too.

Zed, as you know, most of the Gobi desert isn't actually desert but semi-arid grasslands with sediment of limited movement. Those parts that are genuine desert are not susceptible to freezing due to a lack of moisture in the sand.

Plus. there are other deserts in more western and southern regions of China (albeit much further away).

Rather than being gold or phosphates, the yellow dust, as Koreans call it, is actually sand whipped up by more widely spread continental warming each spring. It's the same basic phenomenon that brings the warm Chinook winds off the Rockies every February in Alberta, Canada.

Winds are created every spring and fall during the transition months, when high pressure displaces low pressure.

I was a Geography major for one semester until I realized I was more interested in travelling the world than revealing its mysteries.
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Zed



Joined: 20 Jan 2003
Location: Shakedown Street

PostPosted: Tue Mar 02, 2004 12:45 am    Post subject: Reply with quote

Quote:
Zed, as you know, most of the Gobi desert isn't actually desert but semi-arid grasslands with sediment of limited movement. Those parts that are genuine desert are not susceptible to freezing due to a lack of moisture in the sand.
Fair enough. I would have thought that at those temperatures it would take precious little moisture to bind the sand together but I've never been in a place like that in the winter.

I still have to notice any of these yellow sandstorms even though I know I've been in them.

I read something a couple of years back about how, over the course of a few decades of this, the Korean soil quality will be severely damaged. i don't know how much credibility the report had.
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schwa



Joined: 18 Jan 2003
Location: Yap

PostPosted: Tue Mar 02, 2004 1:16 am    Post subject: Reply with quote

I take it to be an ancient phenomenon but its gotten nastier in recent years. Desertification has increased the volume plus interaction with Chinese smokestacks has increased the toxicity. A couple & 3 years ago the air here took on a decidedly yellow cast a few times & left enough residue on cars etc to turn to mud with a bit of rain. Schools closed & it was only sensible to close all your windows, forgo smoking or exercise outdoors, wash hands frequently etc. Eyes prone to irritation too. Traces were recorded as far away as Hawaii & Alberta. I dont doubt the annual dusting contributes to the inertness of most Korean soil too. Korea, Japan, & China are working in concert to plant many millions of trees in the offending regions, but payoff will be years away. It could be worse here though -- news coverage of a bad day in Beijing is shocking.

The events tend to be short-lived, a day here, a day there. Take a few simple precautions & hey, this too shall pass. Kinda spoils spring though, my otherwise favorite season.
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Lemonade



Joined: 04 Jan 2006
Location: South Korea

PostPosted: Mon Apr 17, 2006 2:53 am    Post subject: Reply with quote

Anyone else here sick from the yellow dust? I'm feeling miserable with serious congestion, coughing and a sore throat. It starts with a sore throat and quicking turns into a resperatory infection. This is terrible. What can you do besides drink water? I'm going to a doctor soon but meanwhile..... what? I can't hardly breath. Sleeping is not fun. Sad
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