Thursday, 16 December 2010

Roman Warming, Medieval Warming, 20th Century Warming, Is this a trend?

A Two-Thousand-Year Temperature History of the Extra-Tropical North...
Ljungqvist, F.C. 2010. A new reconstruction of temperature variability in the extra-tropical Northern Hemisphere during the last two millennia. Geografiska Annaler Series A 92: 339-351.

 

This new study of Ljungqvist is especially important in that it utilizes, in his words, "a larger number of proxy records than most previous reconstructions," and that it "substantiates an already established history of long-term temperature variability." All of these facts, taken together, clearly demonstrate that there is nothing unusual, nothing unnatural or nothing unprecedented about the planet's current level of warmth, seeing it was just as warm as, or even warmer than, it has been recently during both the Roman and Medieval Warm Periods, when the atmosphere's CO2 concentration was more than 100 ppm less than it is today. And this latter observation, together with the realization that earth's climate naturally transits back and forth between cooler and warmer conditions on a millennial timescale, demonstrates that there is absolutely no need to associate the planet's current level of warmth with its current higher atmospheric CO2 concentration, in clear contradiction of the worn-out climate-alarmist claim that the only way to explain earth's current warmth is to associate it with the greenhouse effect of CO2. That claim -- for which there is no supporting evidence, other than misplaced blind faith in climate models -- is totally bogus.

NASA and the Urban Heat Island (UHI) Effect

From a NASA GISS study (link in title)

UHI - NASA_GISS Diagramme

An extract or two:-
Summer land surface temperature of cities in the Northeast were an average of 7 °C to 9 °C (13°F to 16 °F) warmer than surrounding rural areas over a three year period, the new research shows. The complex phenomenon that drives up temperatures is called the urban heat island effect.

Most recently, the Goddard group has shown that a city's development patterns -- whether a city is sprawling or compact -- can also affect the strength of its heat island.


By comparing 42 cities in the Northeast, they found that densely-developed cities with compact urban cores are more apt to produce strong urban heat islands than more sprawling, less intensely-developed cities.


The compact city of Providence, R.I., for example, has surface temperatures that are about 12.2 °C (21.9 °F) warmer than the surrounding countryside, while similarly-sized but spread-out Buffalo, N.Y., produces a heat island of only about 7.2 °C (12.9 °F), according to satellite data. Since the background ecosystems and sizes of both cities are about the same, Zhang's analysis suggests development patterns are the critical difference.

I was first alerted to this by P Gosselin

Green Power just generates Red Ink

Latest from Viv Forbes, Chairman of the Carbon Sense Coalition
Green Power just generates Red Ink
 
The Carbon Sense Coalition has called for an end to all subsidies, mandated markets and sweetheart pricing for solar and wind energy.

The Chairman of “Carbon Sense”, Mr Viv Forbes, said that current energy policies were harming the existing power industry and robbing taxpayers and electricity consumers.

Forbes continued:
 "It's time to end the mollycoddling of wind and solar energy toys before this stupidity does irreversible damage to Australia’s electricity supply and costs.

"The mindless green dream of producing serious base load power from whimsical breezes and intermittent sunbeams has caused a halt to new low-cost coal power, a boom in expensive gas power, a national debate about nuclear power and has had no effect at all on global climate.

"The frivolous wind and solar generators already installed have caused a surge in electricity prices, a bonanza for Chinese manufacturers and well founded doubts about our future ability to keep the lights on.

"Transmission costs are also ignored or under-estimated by green disciples. Because wind and solar are dilute forms of energy, often best developed in remote locations, collectors must sprawl over large areas of land, with each collector needing expensive new power lines to connect to the grid.

"Provision of cheap reliable energy is a basic requirement for modern civilisation and is the engine that lifts people from poverty. It is far too important to be left to green dreamers, anti-industrial zealots, vote seeking politicians, engineering illiterates and guilt-ridden millionaires.

"It is already obvious from Denmark, Spain, California and Germany that subsidising green power creates very little power but much red ink in the accounts. It always causes massive burdens for tax payers, electricity consumers and industry. Tax payers and investors will rue the day they allowed politicians to waste their savings on chimeras.

"Get rid of all the mandated markets, subsidies and tax breaks for all energy generators, and leave power engineers and business managers to work out how best to supply our future energy needs in a free competitive market.

"Subsidised power must collapse under its own dead weight. But every day's delay increases the eventual cost. "

More Info:

 The Green Energy Collapse:
http://opinion.financialpost.com/2010/12/03/lawrence-solomon-green-collapse/

Creating Green Jobs, in China:
http://www.westernjournalism.com/wind-at-their-backs-powerful-democrats-help-chinese-energy-firm-chase-stimulus-money/

The German Experience:
http://probeinternational.org/library/wp-content/uploads/2010/11/Economic-Impacts-The-German-Experience.pdf

Some Uncomfortable truths on wind power and those promoting them:
http://www.brookesnews.com/052802windmills.html

How to Freeze in the Dark when the wind drops in Scotland:
http://wattsupwiththat.com/2009/05/18/glasgow-looking-to-freeze-in-the-dark/

Wind for the Birds – a comment on wind capabilities, written 30 years ago, but the physics of wind has not changed:
http://www.accesstoenergy.com/view/atearchive/s76a3877.htm


From:

Viv Forbes
Chairman, The Carbon Sense Coalition                           www.carbon-sense.com
MS 23 Rosewood, Qld, 4340, Australia
Phone 07 5464 0533
Email: Info@carbon-sense.com