Tag Archives: Urban heat island

Impact on temperature measurement: Cities expand by area equal to France, Germany and Spain combined in less than 20 years

Dr. Roger Pielke Sr. points out on his weblog this interesting press release from IGBP (from March 2012) that we all apparently missed until now. One of the points worth noting is that there were fewer than 20 cities of … Continue reading

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Posted in Land use land cover change, UHI | Tagged , , , , , | 54 Comments

The UHI’s of Texas are upon you

Joe D’Aleo suggested earlier today that I take a look at some of the data from NCDC’s web page called “US climate at a glance“. This page allows comparisons of the actual data not anomalies used in the NCDC USHCN … Continue reading

Posted in Climate data, UHI | Tagged , , , | 105 Comments

Flim Flam Flannery’s Fecklessness Foiled

UPDATE: Veteran Australian cartoonist  Pickering weighs in, see below. (h/t to Dale Stiller) There’s yet another scare coming from Australia’s Climate Commissioner Tim Flannery hot of the heels of his failed drought predictions. And who could forget Flannery’s “quote of … Continue reading

Posted in Alarmism, heat wave | Tagged , , , , , , | 60 Comments

Has the CRUTEM4 Data been fiddled with?

Guest post by Ed Thurstan Abstract It is apparent from the data that CRUTEM4 temperatures adjustments have, in part, been made with reference only to the earlier CRUTEM3 data, rather than raw temperature data. Further, the adjustments depend on the … Continue reading

Posted in Climate data | Tagged , , , , , , | 158 Comments

Trees do 8 times better in the New York City Urban Heat Island

From the The Earth Institute at Columbia University Do urban ‘heat islands’ hint at trees of future? Common oaks get a boost in New York’s Central Park City streets can be mean, but somewhere near Brooklyn, a tree grows far … Continue reading

Posted in UHI | Tagged , , , , , , , , | 76 Comments

Warming in the USHCN is mainly an artifact of adjustments

Dr. Roy Spencer proves what we have been saying for years, the USHCN (U.S. Historical Climatology Network) is a mess compounded by a bigger mess of adjustments. ============================================================== USHCN Surface Temperatures, 1973-2012: Dramatic Warming Adjustments, Noisy Trends Guest post by … Continue reading

Posted in Climate data, Weather_stations | Tagged , , , , , , | 152 Comments

Roy Spencer’s ISH population adjusted discoveries

Readers recall that I carried a guest post from Dr. Roy Spencer on what he learned from analysing the CRUTem3 data: Spencer shows compelling evidence of UHI in CRUTem3 data. Now he has turned his attention to what I consider … Continue reading

Posted in Climate data | Tagged , , , , , , , | 33 Comments

An update on my Climate Reference Network visualization project

Readers may recall that when Peter Gleick first sent out the stolen Heartland board documents and the fake document to give the story “legs”, there was a mention in there of a project that I asked Heartland to help me … Continue reading

Posted in Climate data, Fakegate, GHCN, Michael E. Mann, NASA GISS, NOAA, Weather_stations | Tagged , , , , , , , , | 93 Comments

I’m not waiting by the phone for the Nobel committee to call

I was rather surprised to see this interview in Physics World with Dr. Richard Muller (h/t to Bishop Hill) with this praise. “If Watts hadn’t done his work, we would not have reliable data today. The fact that he did … Continue reading

Posted in Uncategorized | Tagged , , , , , | 81 Comments

Spencer shows compelling evidence of UHI in CRUTem3 data

McKitrick & Michaels Were Right: More Evidence of Spurious Warming in the IPCC Surface Temperature Dataset Guest post by Roy W. Spencer, Ph. D. The supposed gold standard in surface temperature data is that produced by Univ. of East Anglia, … Continue reading

Posted in Uncategorized | Tagged , , , , , , , | 193 Comments

City UHI makes spring bloom earlier

From the University of Maryland Center for Environmental Science, somebody finally gets it. We’ve changed our local climates significantly, and the plants have figured this out long ago. Mid-Atlantic suburbs can expect an early spring thanks to the heat of … Continue reading

Posted in UHI | Tagged , , , , , , , | 58 Comments

New paper and stunning video from the Space Station – UHI much?

Professor Ross McKitrick has just released a new paper on UHI, after reading it, it reminds me of this video from the space station. Weather stations exist in the points of light that define humanity at night, even in rural … Continue reading

Posted in UHI | Tagged , , , , , , , | 69 Comments

UHI in South Korea – responsible for over half of the warming

This new study published in  the Journal of Atmospheric Environment quantifies the different components of warming there, with UHI making up over half of the total warming: On average, the total temperature increase over South Korea was about 1.37 °C; … Continue reading

Posted in Climate data, UHI | Tagged , , , , , , , | 73 Comments

Why BEST Will Not Settle the Climate Debate

By S. Fred Singer (first published in American Thinker) Global warming has re-entered public consciousness in recent days, partly because of the buzz surrounding the release of warming results from the Berkeley Earth Surface Temperature (BEST) project. The reaction of … Continue reading

Posted in Berkeley Earth Surface Temperature | Tagged , , , , , , | 142 Comments

A Considered Critique of Berkeley Temperature Series

Guest post by Jeff Id I will leave this alone for another week or two while I wait for a reply to my emails to the BEST group, but there are three primary problems with the Berkeley temperature trends which … Continue reading

Posted in Berkeley Earth Surface Temperature | Tagged , , | 145 Comments

Uh oh: It was the BEST of times, it was the worst of times

Alternate title: Something wonky this way comes I try to get away to work on my paper and the climate world explodes, pulling me back in. Strange things are happening related to the BEST data and co-authors Richard Muller and … Continue reading

Posted in Berkeley Earth Surface Temperature | Tagged , , , , , , , | 409 Comments

What the BEST data actually says

Guest Post by Willis Eschenbach My theory is that the BEST folks must have eaten at a Hollywood Chinese restaurant. You can tell because when you eat there, an hour later you find you’re hungry for stardom. Now that the … Continue reading

Posted in Berkeley Earth Surface Temperature | Tagged , , , , | 191 Comments

BEST: What I agree with and what I disagree with – plus a call for additional transparency to prevent “pal” review

There’s lots of hay being made by the usual romminesque flaming bloggers, some news outlets and the like, over my disagreement with the way data was handled in one of the Berkeley Earth Surface Temperature (BEST) papers, the only one … Continue reading

Posted in Berkeley Earth Surface Temperature, Peer review | Tagged , , , | 171 Comments

Pielke Sr. on a new paper discussing urban climate issues

New Paper “Climatic Trends In Major U.S. Urban Areas, 1950–2009″ By Mishra and Lettenmaier By Dr. Roger Pielke Senior There is a new paper Mishra, V., and D. P. Lettenmaier (2011), Climatic trends in major U.S. urban areas, 1950–2009, Geophys. Res. … Continue reading

Posted in UHI | Tagged , , , , | 61 Comments

New paper: UHI, alive and well in China

JOURNAL OF GEOPHYSICAL RESEARCH, VOL. 116, D14113, 12 PP., 2011 doi:10.1029/2010JD015452 Observed surface warming induced by urbanization in east China Key Points The rapid urbanization has significant impacts on temperature over east China A new method was developed to dynamically … Continue reading

Posted in UHI | Tagged , , , | 53 Comments