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A comment on Air-conditioners do great good, but at a high environmental cost. Parent comment

Re:Air-conditioners do great good, but at a high environment... by vondur on Tuesday August 28, 2018 @01:50PM (#17861044)
I completely agree with you on this, but changing entire megapolis's is not going to be an easy task. Here in Southern California we have a huge heat island effect, due to the non stop city going from South Orange County to Ventura county (close to 100 miles) and from the ocean to at least 50 miles inland. I've read it can cause rain storms to completely bypass this area.
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Re:Air-conditioners do great good, but at a high environment... by bustadjustme on Tuesday August 28, 2018 @03:01PM (#17861809)
Wow, there's some fantastic mapping of this effect from a few years ago: https://calepa.ca.gov/2015/09/16/urbanheat/. Links to a study and lots of data produced from it.

Southern California: "urban heat archipelago".

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Re:Air-conditioners do great good, but at a high environment... by njarboe on Tuesday August 28, 2018 @03:56PM (#17862311)
From the linked page:

"largest effect is in southern California, where the urban heat islands blur together to form an “urban heat archipelago” with average temperatures up to 19° F higher in the Riverside-San Bernardino region at the eastern end of the basin."

If it is really 19° F higher in Riverside due to urbanization(hard to believe that really), I can see why correcting historical temps for urban heat island effects is so necessary. How to do that accurately must be fiendishly difficult.

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