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Nov 26, 2020
8:07
:58
am
valleus
Truly Addicted User
Google “annual precipitation map” and it correlates nicely along the vertical.
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valleus
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valleus
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Feb 1, 2017
Last login
May 10, 2024
Total posts
9,449 (2,210 FO)
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Messages
Author
Time
What drives the sharp line in light pollution?
Xenon
11/26/20 7:38am
Everything directly west of that line is farmland and has been for a long time
Magathisll
11/26/20 7:40am
Yep. The line goes thru a bunch of major cities and then nothing after that but
WDaddy
11/26/20 7:58am
Great Plains maybe?
John Doe
11/26/20 7:42am
Looks a lot like vegetation to me...
PortlandCoug
11/26/20 7:42am
RE: What drives the sharp line in light pollution?
BIG XII Coug
11/26/20 7:45am
Grazing vs farming
Busiturtle
11/26/20 7:51am
Turns out people live to the right of that line and not to the left
Yiowa
11/26/20 7:57am
It is interesting how everybody just stopped at about the same distance from the coast. A sociological component?
Dr MoBYU
11/26/20 8:01am
Annual rainfall line. West of the line represents where rainfall alone can’t
valleus
11/26/20 8:06am
My hunch is historically this was a factor
Busiturtle
11/26/20 8:15am
Google “annual precipitation map” and it correlates nicely along the vertical.
valleus
11/26/20 8:07am
YEP, my HCBW just showed me that map too.... interesting!!
Xenon
11/26/20 8:35am
Turns out water is kind of important to civilization
Tare
11/26/20 8:42am
people?
mudpupper
11/26/20 8:41am
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