Our favorite climate de-crocker, Peter Sinclair has two — count ‘em! — new videos for this endless summer, taking on Inhofe, Christy, and the global cooling myth:
And Part 2:
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Christy & Spencer released their new analysis for July, and again adjustments were made to lower the anomaly. If you look at the AQUA-15 satellite chart, it was easily the warmest on record, some .6C above the 2002-2009 mean. However, they integrated a new satellite into the dataset (NOAA-18) and so the “official” number was only .49C above the 1979-1998.
Spencer claimed that Version 6.3 was supposed to eliminate the seasonality, so you would expect it to be closer to RSS than it has been in the past during the summer – yet it was a full .1C cooler last month. It’ll be interesting to see whether RSS is much higher again.
I just checked RSS. It came in at .61C, a full .12C above UAH!
http://www.remss.com/data/msu/monthly_time_series/RSS_Monthly_MSU_AMSU_Channel_TLT_Anomalies_Land_and_Ocean_v03_2.txt
[JR: Thanks to Spencer's purely coincidental rejiggering during this likely to be record-setting year, I think you have to ignore RSS on a month-to-month basis.]
To compare to the trend from the surface temperature record (approximately +0.07 °C/decade over the past century and +0.17 °C/decade since 1979) it is most appropriate to derive trends for the part of the atmosphere nearest the surface, i.e., the lower troposphere. Doing this, through April 2010:
RSS v3.2 finds a trend of +0.158 °C/decade.
UAH v5.3 finds a trend of +0.137°C/decade.
An alternative adjustment introduced by Fu et al. (2004) finds trends (1979-2001) of +0.19 °C/decade when applied to the RSS data set http://en.wikipedia.org/wiki/Satellite_temperature_measurements
After watching this it sort of reminded me of an old Twilight Zone episode called “The Midnight Sun”. But in this case I picture the deniers, in their fevered delirium, thinking the world is growing ever colder instead.
The 2nd video suggest we reached the McCarthy moment of climate change.
Ya gotta hand it to the deniers, though. Did you know that global warming has bitten the dust? Yup, just like that……amazing.
http://reason.com/archives/2010/08/02/bid-adios-to-the-global-warmin
Joe, sorry this is off topic, but are you planning to post anything on Mark Jacobson’s new paper on black soot, published in JGR? His suggestion that aggressively controlling black soot could significantly ameliorate warming, especially in the Arctic, would be great – if correcct. But the supposed cooling effect Jacobson describes as a consequence of reducing black carbon is so strong, I’m having a hard time figuring out what this means for the relative effects of CO2 and black carbon – is Jacobson saying that a majority of the warming over the last century is actually due to black carbon?
[JR: No, he's not saying that. You can see what he is saying here. I would note that eliminating all soot is exceedingly nontrivial. I'm not saying we shouldn't have an aggressive effort to reduce black carbon, only that I'm quite confident the forces that oppose reducing CO2 would also fight it.]
Here is a comment I posted over at WUWT and RC several days ago.
I ask you all this simple question: Since 1900, where have the hundreds of billions of pounds of rubber and asphalt dust gone?
The short simple answer is: Anywhere and everywhere! Every year the amount of this dust released into the enviroment keeps increasing. Rubber particles do not degrade when exposed sunlight, air or microbes.
Try this: Take Post-It note and dab it on the dust on the top of your car until it doesn’t stick anymore. Then examine the dirty sticky strip with viewer with about 30x magnificaton. Note the enormous amount of tiny black particles. Also note numerous highly reflective particles which are probaby mica from the rocks in concrete.
Another source of light-absorbing particles is metallic dust from disk rotors and brake drums as well as the rust that falls off cars and is ground to tiny particles by tires.
In southern Caifornia the rubber and asphalt dust could act as an accelerant for brush fires. Homeowners there should probably wash off the roofs of their houses before fire season.
Since most major cities are located on the coasts of the continents, it would be of interest to determine concentration of these black particles in the ocean waters.
We city folks breath in the really tiny particles (5 microns<) of rubber and asphalt dust, and these probably cause respiratory problems such as asthma in childern. Car tires contain about 40% natural latex to which many people are allergic.
I googled "tire dust" and found one article that states that about 600,000 metric tons of rubber dust is released into the enviroment every year in the US.
Another great piece by Mr. Sinclair. As perhaps a little more insight into Alex Jones, he promoted expensive survival crop seed as defense against “The Global Warming Hoax” even after some began to ask why they needed the seed if it was all a hoax. Now he claims to own a small ‘survival farm’ for that day when the “globalists” control the world’s food supply, which means he should have firsthand knowledge of how increasingly difficult it has become to grow food in this part of Texas. I come from a family of very gifted farmers but none of them could spin dead parrots into corn.