Sentences with phrase «rural observing stations»
As growing metropolitan areas encroach into the surroundings of formerly rural observing stations, the temperatures at these stations rise, particularly at night, in response to the well - documented «urban heat island effect.»
https://www.nap.edu/ Not exact matches
The maximum differences occur not in summer, but in winter time (longer nights) under clear skies and calm winds when such a combination of events are observed at the rural stations.
When looking at the Tmin USHCNv2 adjusted data for rural stations, we observe that it is adjusted higher in value, from 0.127 °C / decade to 0.249 °C / decade, effectively doubling the trend,
You are also ignoring that rural stations show the same trend as urban — and that the greatest warming is observed in the far north — where there are no major urban areas.
GISS methodology, as you've observed consists of using all rural stations within 1000 miles to adjust station data, then calculation of lots of little gridcells with more blending and averaging until, as you said appropriately, you felt like sticking knitting needles in your eyes.
Such a phenomenon has been observed at urban stations whereby once a site has become fully urbanized, its trend is similar to those at surrounding rural sites.