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British Expats (https://britishexpats.com/forum/)
-   The Barbie (https://britishexpats.com/forum/barbie-92/)
-   -   A question about UV index and Ozone layer (https://britishexpats.com/forum/barbie-92/question-about-uv-index-ozone-layer-617930/)

BARDI77 Jul 1st 2009 8:23 pm
A question about UV index and Ozone layer
 
Hi

Is standing under the sun in a day with UV index=7 in Australia is as dangerous as standing under the sun in a day with UV=7 in a country without Ozone depletion?

Cheers,

BadgeIsBack Jul 2nd 2009 8:21 am
Re: A question about UV index and Ozone layer
 
Originally Posted by BARDI77 (Post 7717370)
Hi

Is standing under the sun in a day with UV index=7 in Australia is as dangerous as standing under the sun in a day with UV=7 in a country without Ozone depletion?

Cheers,
One of the most intelligent questions in years deserving of an answer! Not sure if the index takes that into account. 7 is quite low for an Aussie summer BTW - the index compared to the UK signifies an end to th practise of groups of people sitting around on the grass in public and saying 'isn't this lovely' .

sonlymewalter Jul 2nd 2009 8:25 am
Re: A question about UV index and Ozone layer
 
Originally Posted by BadgeIsBack (Post 7718003)
One of the most intelligent questions in years deserving of an answer! ...... .
And the answer is?:confused:

Wol Jul 2nd 2009 9:44 am
Re: A question about UV index and Ozone layer
 
Originally Posted by sonlymewalter (Post 7718014)
And the answer is?:confused:
Probably "42"?

DownUnderPaddy Jul 2nd 2009 10:06 am
Re: A question about UV index and Ozone layer
 
1 Attachment(s)
Originally Posted by BARDI77 (Post 7717370)
Hi

Is standing under the sun in a day with UV index=7 in Australia is as dangerous as standing under the sun in a day with UV=7 in a country without Ozone depletion?

Cheers,
The UV Index is calculated for clear skies, at local solar noon, when the sun is at its highest, using total ozone analyses and forecasts derived from satellite data and GASP wind fields.

So yes, the Index value takes the local Ozone measurements into account.

Ref :
http://www.bom.gov.au/info/about_uv.shtml
http://www.bom.gov.au/bmrc/mdev/expt/uvindex/uvi.shtml
http://www.temis.nl/uvradiation/UVindex.html

MartinLuther Jul 2nd 2009 11:31 am
Re: A question about UV index and Ozone layer
 
I haven't looked at this for a while but the last I heard was that the southern ozone hole was recovering (i.e. closing) and the northern one was opening up. Anyone got any more up to date info?

Wol Jul 2nd 2009 11:41 am
Re: A question about UV index and Ozone layer
 
Originally Posted by MartinLuther (Post 7718411)
I haven't looked at this for a while but the last I heard was that the southern ozone hole was recovering (i.e. closing) and the northern one was opening up. Anyone got any more up to date info?
Probably due to the Chinese hacking open all those old, discarded fridges that we have replaced (with Chinese units...)

Burbage Jul 2nd 2009 12:09 pm
Re: A question about UV index and Ozone layer
 
Originally Posted by Wol (Post 7718433)
Probably due to the Chinese hacking open all those old, discarded fridges that we have replaced (with Chinese units...)
If it's a properly calculated index then it will be the same everywhere. The measurement 7 should indicate a set amount of UV exposure, in the same way that 20 degrees celcius is the same everywhere.

Wol Jul 2nd 2009 12:12 pm
Re: A question about UV index and Ozone layer
 
Originally Posted by Burbage (Post 7718481)
If it's a properly calculated index then it will be the same everywhere. The measurement 7 should indicate a set amount of UV exposure, in the same way that 20 degrees celcius is the same everywhere.
We were referring to the holes, not the numbers!

sonlymewalter Jul 2nd 2009 2:50 pm
Re: A question about UV index and Ozone layer
 
Originally Posted by Wol (Post 7718188)
Probably "42"?
:lol:

Originally Posted by Wol (Post 7718433)
Probably due to the Chinese hacking open all those old, discarded fridges that we have replaced (with Chinese units...)
:lol: smart business marketing;)

Originally Posted by Burbage (Post 7718481)
If it's a properly calculated index then it will be the same everywhere. The measurement 7 should indicate a set amount of UV exposure, in the same way that 20 degrees celcius is the same everywhere.
You would think so:confused:

Originally Posted by Wol (Post 7718486)
We were referring to the holes, not the numbers!
Are the holes not measure by the numbers? If so, are the numbers the same:blink::confused:

Wol Jul 2nd 2009 4:08 pm
Re: A question about UV index and Ozone layer
 
>>Are the holes not measure by the numbers? If so, are the numbers the same<<

Some of us have lost the thread - and I'm not sure that it's me <g>.

Burbage was quoting me but I think referring to the OP with his post. I was quoting ML, who was straying off the OP into the ozone hole distribution.

I'm getting a headache....

Burbage Jul 2nd 2009 4:16 pm
Re: A question about UV index and Ozone layer
 
Originally Posted by Wol (Post 7718900)
>>Are the holes not measure by the numbers? If so, are the numbers the same<<

Some of us have lost the thread - and I'm not sure that it's me <g>.

Burbage was quoting me but I think referring to the OP with his post. I was quoting ML, who was straying off the OP into the ozone hole distribution.

I'm getting a headache....
Sorry. Misplaced quote. Just was answering the question.

Wol Jul 2nd 2009 4:17 pm
Re: A question about UV index and Ozone layer
 
Originally Posted by Burbage (Post 7718925)
Sorry. Misplaced quote. Just was answering the question.
Golly - staying on thread!

Burbage Jul 2nd 2009 4:19 pm
Re: A question about UV index and Ozone layer
 
Originally Posted by Wol (Post 7718928)
Golly - staying on thread!
That's the kind of me.

MartinLuther Jul 2nd 2009 9:32 pm
Re: A question about UV index and Ozone layer
 
Originally Posted by Wol (Post 7718900)
>>Are the holes not measure by the numbers? If so, are the numbers the same<<

Some of us have lost the thread - and I'm not sure that it's me <g>.

Burbage was quoting me but I think referring to the OP with his post. I was quoting ML, who was straying off the OP into the ozone hole distribution.

I'm getting a headache....
Bugger... it's my fault again and I can't shift the blame :frown:


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