Conversely I note that if CO2 directly causes warming as you appear to be claiming, the fact that ice cores show that temperatures increased about 800 years before a CO2 increase (and a latter decline in temperatures before CO2 levels declined) casts doubt upon
CO2 as a driver.
Elevated
CO2 as a driver of global dryland greening - Principia Scientific International.
There is more than a century of solid research and study on the issue of
CO2 as a driver, and don't pretend you don't know it.
(http://tinyurl.com/6ppedy6)(http://droyer.web.wesleyan.edu/PhanCO2%28GCA%29.pdf) It is not a bold claim to attribute this trail of temperature change to the rise in
CO2 as the driver of the change.
Not exact matches
They credited drops in
CO2 emissions from the United States and China
as the primary
drivers of the trend.
This further evidence of episodic emissions of volcanic
CO2 as the likely
driver of the extinction enhances our understanding of this event, and potentially of other climate change episodes in Earth's history.»
This is an elegant solution,
as the system does not require any additional
driver, and the controlled release of
CO2 does not pose any problem.
First that
CO2 is the main climate
driver, second that in calculating climate sensitivity the GHE due to water vapour should be added to that of
CO2 as a feed back effect and third that the GHE of water vapour is always positive.
As to the last point the feedbacks can not be positive otherwise we wouldn't be here to talk about it.
Certainly, there is no reason to believe that
CO2 as a climate
driver has been undermined in any way, especially on shorter time scales.
CO2 getting pushed aside
as a climate
driver by natural climate factors like solar activity.
It is important to regard the LGM studies
as just one set of points in the cloud yielded by other climate sensitivity estimates, but the LGM has been a frequent target because it was a period for which there is a lot of data from varied sources, climate was significantly different from today, and we have considerable information about the important
drivers — like
CO2, CH4, ice sheet extent, vegetation changes etc..
The new study points to the amount of
CO2 being released into the atmosphere, rather than the amount removed from it,
as the primary
driver of Earth's climate.
Exceptional
As most people looking at reviews will be company car
drivers, things you should know: It accelerates faster than most company cars (8 seconds, quite achievable) It is more economical than most company cars BIK is okay (good
CO2 figures, but relatively expensive list) Standard equipment is odd, good specification in some ways, annoying in others (+ = PDC, auto lights / wipers, dual zone climate, iDrive, lowered 10 mm - = worst stereo ever, non-foldable rear seat, no storage, analogue iPod connector, 16 wheels look... well, just look at them) Standard suspension is merely adequate, weight transfer between fast sweeping bends is noticeable No LSD, so doesn't enjoy getting the back end out particularly If it is your own cash, buy a better spec version!
, GBP 7,895;; This car comes with:; Satellite Navigation; Sunroof Electric; Navigation Upgrade Including Voice and TMC; Premium Navigation including Voice and TMC; Sunroof - Electric Front Plus Fixed Rear Glass; Touch Screen Navigation System; Air - Conditioning (Automatic); Parking Aid (Front / Rear); Seats Heated (Front / Rear); Voice Activated Controls; Automatic Climate Control; Cruise Control; Front Park Distance Control; Rear Park Distance Control; Alarm; Alloy Wheels (19in); Computer; Electric Windows (Front / Rear); Heated Front Screen; In Car Entertainment (Radio / CD Autochanger); Paint Metallic; Alloy Wheels - 19in ilo 17in; Alloy Wheels - 19in ilo 18in Style; Alloy Wheels - 19in ilo 18in Style; Alloy Wheels 19in ilo 18in Style 2; Metallic Micatallic Paint;; Economy and performance:; Urban mpg21.4 mpg; Extra Urban mpg32.5 mpg; Average mpg27.2 mpg;
CO2 emissions275g / km; Annual TaxGBP 555; Engine power190 bhp; Engine size2720 cc; Brochure Engine size2.7 litres; Acceleration (0 - 60mph) 11.0 seconds; Top speed112 mph; DrivetrainFour Wheel Drive;;
Driver Convenience:; Navigation Upgrade Including Voice and TMC; Satellite Navigation; Heated Seats Front / Rear; Touch Screen Navigation System; Seat Lumbar Support; Premium Navigation including Voice and TMC; In Car Entertainment (Radio / CD Autochanger); Seat Height Adjustment; Heated Front Screen; Electric Windows (Front / Rear); Cruise Control; Speakers; Adjustable Steering Column / Wheel; Air - Conditioning (Automatic); Seats Heated (Front / Rear); Voice Activated Controls; Automatic Climate Control;; Safety:; Head Restraints; Bi-Xenon Headlamps; Anti-Lock Brakes; Central Door Locking; Alarm; Parking Aid (Front / Rear); Rear Park Distance Control; Air Bag Passenger; Air Bag Side; Air Bag
Driver; Front Park Distance Control; Front Fog Lights; Traction Control System; Adaptive Front Headlights with Bi-Xenon Lights;; Exterior Features:; Spare Wheel (Full Size); Powerfold Exterior Mirrors; Roof Rails; Alloy Wheels - 19in ilo 18in Style; Alloy Wheels 19in ilo 18in Style 2; Mirrors External (Electric Heated / Folding); Spare Wheel - Full Size Alloy; Metallic Paint; Alloy Wheels - 19in ilo 17in; Alloy Wheels (19in); Sunroof Electric; Paint Metallic; Metallic Micatallic Paint; Sunroof - Electric Front Plus Fixed Rear Glass;; Interior Features:; Computer; Loadspace Cover; Technical; 4 Corner Air Suspension with Terrain Response; Convenience Pack 2; Premium ICE System; Convenience Pack; Cold Climate Pack; Bright Pack;; Dimensions:; Height1891 mm; Length4848 mm; Wheelbase2885 mm; Width2190 mm; Fuel tank82.3 litres; Minimum kerb weight2504 kg; We are Uk's leading Jap Performance Specialists and have taken this car
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Company - car
drivers are the biggest buyers of executive saloons, so it's good to see that the Alfa Romeo Giulia is available with an engine capable of
CO2 emissions
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as 109g / km to make it cost effective.
Driver: 5; Colour: SILVER; SETS OF KEYS: 3;; This car comes with:; Climate Control; Cruise Control; Seats Heated (
Driver / Passenger); Alloy Wheels (18in); Computer (
Driver Information System); Electric Windows (Front / Rear); In Car Entertainment (Radio / CD Autochanger); Rain Sensor; Seats Electric (
Driver);; Economy and performance:; Urban mpg31.0 mpg; Extra Urban mpg37.2 mpg; Average mpg34.9 mpg;
CO2 emissions192g / km; Annual TaxGBP 280; Engine power208 bhp; Engine size3311 cc; Brochure Engine size3.3 litres; Acceleration (0 - 60mph) 7.6 seconds; Top speed124 mph; DrivetrainFour Wheel Drive;;
Driver Convenience;; Seats Electric (
Driver); Climate Control; Electric Windows (Front / Rear); Carpet; Adjustable Steering Column / Wheel; Steering Wheel Mounted Controls (Audio / Telephone); Upholstery Cloth; Seats Heated (
Driver / Passenger); Armrest; Cruise Control; Speakers; Rain Sensor; In Car Entertainment (Radio / CD Autochanger); Seat Lumbar Support (
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Driver Information System); Mirrors Internal;; Dimensions:; Height1720 mm; Height (inc. roof rails) No details available; Length4760 mm; Wheelbase2720 mm; Width1845 mm; Fuel tank65 litres; Luggage capacity (seats up) 900 litres; Luggage capacity (seats down) 1500 litres; Minimum kerb weight2000 kg;; We are Uk's leading Jap Performance Specialists and have taken this car
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It makes
as much peak power
as the more expensive 330i M Sport and considerably more torque — and it also offers fleet
drivers savings on their
CO2 - related benefit - in - kind tax bill and environmentally aware owners the potential for limited zero - emission electric running.
Ford is billing the «Scrappage Scheme»
as a way to lessen
CO2 emissions by wooing
drivers out of old, less - efficient automobiles, but that it's apparently open to the owners of vehicles from any make ought to translate to plenty of conquest sales, too.
Meanwhile, the Kodiaq's official fuel economy and
CO2 emissions aren't
as appealing
as an equivalent Peugeot 5008's, but are similar to the Sorento's; bear this in mind if you're a company car
driver looking for cheaper benefit - in - kind tax.
If C02 is considered
as that
driver (not a ridiculous idea in principle, although it is more complicated than that
as intimated @ 19) how much forcing and thus how much temperature rise could we expect from our
CO2 emissions by, say, 1900 or 1940?
The uncertainty includes our own wavering over our human and economic response, layered over our inability to predict the ice sheet response
as a function of
CO2 and other climate
drivers under our control.
All of the models ca 2007 that the IPCC used to forecast climate change predicted a steady increase in temperature (based,
as they were, on the assumption that
CO2 is the primary
driver of temperature) and yet global temperatures have remained essentially flat since then.
CO2 is far and away the main
driver of climate change,
as your question implies, the problem being for the planet that once emitted it is very slow to go away, many hundreds or even thousands of years of heating effects.
The section on external
drivers dismisses all candidates for which data is available (solar irradiance, indices for AO and PDO, volcanoes, etc.)
as being the cause of the downward trend leaving only atmospheric
CO2 concentration
as a plausible explanatory variable.
Look at the results at
CO2 as a primary
driver of Phanerozoic climate for example, especially figures 1 and 2 (GSA Today, March 2004).
That some pre-industrial year, or series of years, might have been warmer than today is relevant only so far
as it reminds us that
CO2 is not the only possible
driver for temperature.
The climate system is hugely complex, with hundreds of variables, and your climate cult religion's attempt to make the patently absurd claim that human
CO2 is the
driver is
as misguided
as it gets.
However,
as readers often point out,
CO2 is not the only
driver of climate.
About emissions and temperature
as drivers in ice cores, here are two graphs comparing total emissions with total
CO2 increase and temperature with total
CO2 increase,
as measured in ice cores (Law Dome and others) 1900 - 1959: and
Roger disputed that carbon (
as CO2) caused any warming, that honest, unaltered science thought
CO2 to be the consequence rather than the
driver of temperature increases, that increasing
CO2 in the air was sourced by natural phenomena rather than mostly man - made, and that to decrease
CO2 to levels required by regulation would start to starve plants, making more folks on the planet to starve accordingly.
CO2 is a delayed response, not a
driver as can been seen in ice cores stretching back hundreds of thousands of years into the past.
But it makes no sense to reject
CO2 as a primary
driver of climate change today because it looks, through the foggy glasses of time, like
CO2 has not always completely controlled climate changes in the past.
Ar you afraid of those who put doubt about a non-proved and, according to all data we have, non-likely hypothesis about
CO2 as a primarily
driver of the earth's climate?
You seem to have forgotten that this is exactly the reason why so many people (me included) can't understand why
CO2 alone should be the warming's
driver,
as far less
CO2 was emitted at that time.
As I read this about the discrepancy between the fact of large
CO2 emissions and the lack of
CO2 spikes or large climate fluctuations, I am afraid the answer is not going to be good for the Al Gore school of climate:
CO2 is not only distributed and «metabolized» by gaia in ways not yet explained very well, it is not a particularly powerful temperture
driver.
His analysis of the different shapes between Arctic, tropics and Antarctic is thought provoking
as the primary
CO2 drivers.
Actually continental drift is important too, because the
CO2 dropped
as a result of the Himalayan growth and this was a big
driver of the gradual cooling since 50 million years ago.
I don't have a problem with you being satisfied with
co2 as the main
driver.
Siri: Yes, but we have many model runs, which provide evidence for
CO2 as a principle
driver PD == No they don't.
Now then if
CO2 is a significant
driver of temperature one would expect to see a significantly different rate in the rate of warming
as soon
as CO2 becomes a
driver.
So that means AGW theory may be in trouble if those other items do not cooperate with what AGW calls for UNLESS
as I said nothing else really matters because
CO2 in THE
driver.
If cloud cover can vary
as noted per the paper, and just a few percent change in cloud cover can have a large effect to temperatures, then how much confidence can one have in the «
CO2 is the greatest
driver of increased temperatures?
As Mosher points out, we don't need no stinkin» Modulz to understand that
CO2 is overwhelmingly the dominant
driver of temperature trends since the mid-20th Century... for that we've got observations.
As can be seen, there is «(rising, dropping or hiatus)» but
CO2 forcing is the
driver of the trend.
You do * deny * that the increasing atmospheric fraction of
CO2 is emerging
as the dominant climate
driver, do you not?
The Global Greenhouse Gas Reference Network measures the atmospheric distribution and trends of the three main long - term
drivers of climate change, carbon dioxide (
CO2), methane (CH4), and nitrous oxide (N2O),
as well
as carbon monoxide (CO) which is an important indicator of air pollution.
As CO2 is not the only
driver of climate, it is perfectly possible to have relatively high levels of
CO2 while having relatively low global temperatures.
Near
as I can tell the hypothesis that
CO2 is a climate
driver has yet to be proved experimentally.
«It is evidence that
CO2 is not nearly
as strong a climate
driver as the IPCC has been assuming.
So I've been looking at the
CO2 -
as - climate -
driver problem from a different perspective.