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View Poll Results: Northern Hemisphere or Southern Hemisphere Seasons
Northern Hemisphere 24 66.67%
Southern Hemisphere 12 33.33%
Voters: 36. You may not vote on this poll

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Old 10-26-2016, 07:18 AM
 
Location: Victoria, BC, Canada
5,725 posts, read 3,506,899 times
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Quote:
Originally Posted by arctic_gardener View Post
Northern Australia is tropical. Australia is a continent - it doesn't have a single climate. The South ranges from subtropical through temperate and even subarctic at moderately high elevations.
You are correct; thanks for clarifying.

What I really wanted to point out is that large parts of Australia lie within the tropics (in a latitudinal sense) and so have the sun at the zenith at times.
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Old 10-26-2016, 08:06 AM
 
Location: Victoria, BC, Canada
5,725 posts, read 3,506,899 times
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Quote:
Originally Posted by Paddy234 View Post
The UV is the same but unfortunately New Zealand has a much more depleted ozone for most of the year therefore it's more harsh here, remember the Ozone helps protect against UV radiation
The UV is not the same: all the data indicate that the UV is stronger in Australia. And these data account for ozone depletion etc.

https://www.niwa.co.nz/sites/default...ts/Liley_2.pdf

Quote:
The data include corrections for cloud cover, ozone absorption, terrain altitude, snow cover, and absorbing aerosols.


Besides, there is no ozone hole over New Zealand; that's urban legend. The ozone hole is over Antarctica. Outside of that, stratospheric ozone is highest in mid-latitudes (e.g. NZ) and lowest in the tropics (e.g. northern Australia).

Questions and Answers About the Ozone Layer

Quote:
Total ozone varies strongly with latitude over the globe, with the largest values occurring at middle and high latitudes during all seasons. ... In contrast, the values of total ozone are the lowest in the tropics in all seasons (except in the ozone hole).
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Old 10-26-2016, 06:22 PM
 
171 posts, read 133,496 times
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Quote:
Originally Posted by Paddy234 View Post
The UV is the same but unfortunately New Zealand has a much more depleted ozone for most of the year therefore it's more harsh here, remember the Ozone helps protect against UV radiation
What BS. There is in fact no ozone hole over NZ, it actually forms over Antarctica. Your claim that the sun in NZ feels more harsh than in Australia is completely overblown nonsense. NZ is at a higher latitude with correspondingly lower UV and lower sun angle, it is cooler and both countries are relatively pollution-free (so can't use that as an excuse). NZ's ozone levels are no more depleted than in Oz. The sun there will never feel hotter than in Oz.
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Old 10-26-2016, 11:08 PM
 
Location: Perth, Australia
2,932 posts, read 1,309,210 times
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Quote:
Originally Posted by BulkBeerDrinker View Post
What BS. There is in fact no ozone hole over NZ, it actually forms over Antarctica. Your claim that the sun in NZ feels more harsh than in Australia is completely overblown nonsense. NZ is at a higher latitude with correspondingly lower UV and lower sun angle, it is cooler and both countries are relatively pollution-free (so can't use that as an excuse). NZ's ozone levels are no more depleted than in Oz. The sun there will never feel hotter than in Oz.
Did you just read the post above and make your claim lol. I actually thought the depleted Ozone in New Zealand for parts of the year was common knowledge, not to all it seems.

https://www.niwa.co.nz/news/what-eve...ned-ozone-hole

http://www.moh.govt.nz/notebook/nbbooks.nsf/0/008db80f639a02efcc2578c60071fab0/$FILE/Why%20is%20NZs%20Melanoma%20Problem%20So%20Bad.pdf

http://www.nzherald.co.nz/nz/news/ar...ectid=10833172

The hole over Antarctica affects not just New Zealand and Australia but South America however due to the fact that New Zealand is generally closer to the equator than Australia the depletion of ozone is greater there. The New Zealand Sun is harsher from my experience and everyone i have talked to and i do believe it's a combination of these things that make it so bad. Your going as if having a harsher Sun due to a depleted Ozone and such high UV is a good thing, like you don't have enough things that can kill you in OZ. This is why in terms of Summer i'd much prefer to be in a Spanish hot summer than a New Zealand one where the UV burns you in ten minutes

Last edited by Paddy234; 10-26-2016 at 11:34 PM..
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Old 11-01-2016, 07:36 AM
 
Location: Melbourne, Australia
284 posts, read 282,761 times
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Quote:
Originally Posted by RWood View Post
Australia is not "equatorial". Darwin gets an average of 14 in the highest months - northern NZ locations routinely hit 13 in midsummer. So the difference is not all that great, and southern and south-central Australian locations don't differ much from a significant portion of NZ in summer.
Are the averages 13 though? They can vary massively from year to year in Australia.

If you look at the BOM page Darwin is hitting a UV of 16 right now.
Darwin Forecast - Bureau of Meteorology
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Old 11-01-2016, 12:51 PM
 
Location: Wellington and North of South
5,069 posts, read 8,596,368 times
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Quote:
Originally Posted by Aussie87 View Post
Are the averages 13 though? They can vary massively from year to year in Australia.

If you look at the BOM page Darwin is hitting a UV of 16 right now.
Darwin Forecast - Bureau of Meteorology
The 13 is not cited as an average, would be handy to see averages.
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Old 11-11-2016, 01:25 AM
 
Location: Sydney, Australia
11,651 posts, read 12,945,840 times
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Quote:
Originally Posted by lab276 View Post
Christmas at the beach is great!
Funny thing is that, being raised in the southern hemisphere (from second grade and onward), I still can't fathom the idea of a hot summery Christmas.
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Old 01-11-2024, 05:49 PM
 
Location: Arteaga, Coahuila
41 posts, read 14,748 times
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Southern hemisphere has better subtropical climates, but the rest,northern hemisphere wins easily.
Also, uv index in southern hemisphere is as double as high around the same latitudes compared with northern hemisphere, skin reflectance virtually increases 8% every 10° added of latitude in the north, and southern hemisphere 4%.
Meaning that a place like buenos aires at 34S can potentially have more sun radiation than Puerto Rico at 18N despite the later being in the tropics, this also explains why New Zealand or Tasmania have such high sun radiation levels compared with similar latitudes in the north (not just clean air as many said). So to get a similar radiation index as Dallas,Tx which is around 11 at max, you will have to go as far south as tierra del fuego
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Old 01-11-2024, 08:03 PM
Status: "Tyson K" (set 1 day ago)
 
Location: In yo head
419 posts, read 220,457 times
Reputation: 300
Northern Hempishere gets snow on Christmas
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Old 01-12-2024, 01:45 AM
 
Location: Corryong (Northeast Victoria)
901 posts, read 346,264 times
Reputation: 264
Quote:
Originally Posted by Galilei View Post
Also, uv index in southern hemisphere is as double as high around the same latitudes compared with northern hemisphere, skin reflectance virtually increases 8% every 10° added of latitude in the north, and southern hemisphere 4%.
Meaning that a place like buenos aires at 34S can potentially have more sun radiation than Puerto Rico at 18N despite the later being in the tropics, this also explains why New Zealand or Tasmania have such high sun radiation levels compared with similar latitudes in the north (not just clean air as many said). So to get a similar radiation index as Dallas,Tx which is around 11 at max, you will have to go as far south as tierra del fuego
Wrong- the summer sun is stronger further south due to being closer to the ozone hole. Meaning that Christchurch has a stronger sun than Brisbane in the summer (however a lightbulb in the winter, making for a stark seasonal difference in sun strength).
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