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Politics : The Environmentalist Thread -- Ignore unavailable to you. Want to Upgrade?


To: maceng2 who wrote (20362)2/15/2008 1:03:31 PM
From: Brumar89  Read Replies (1) | Respond to of 36917
 
Back in the 1800's:

climateaudit.org

Looks like Lampasas TX began in the 1890's:

climateaudit.org

Take a look at the station there, now surrounded by asphalt and concrete and next to an apartment complex. Its pretty clear the temp measurements from this station have been affected by its location:

But the big surprise of just how bad this location is came from the GISS plot of temperature. It clearly showed the results of the move to this location, causing a jump in temperature almost off the current graph scale. Note that before the move, the temperature trend of Lampasas was nearly flat from 1980-2000.


I think he's right about this:

Given the entropy of the current measurement environment, I have sincere doubts that anyone can create an adjustment that will ascertain an accurate trend from temperature data as badly polluted as this. In my opinion, this station’s post 2000 data needs to be removed from the climate record.


There's your urban heat island issue plain as the nose on your face. By all reports the problem is a lot worse in developing countries - most of the measurements occurs in large cities. They make these charts which look nice and definitive, but if the data is garbage, the GI-GO principle applies.