16 Oct climate negative feedback loops examples
To Jae, You can argue that more warming causes more evaporation, hence more water vapor; and more warming; and call that feedback if you like; or if you want to be realistic; you can simply say when the temperature (in some region) changes to a new value (higher or lower); and water is around (oceans lakes etc) the total amount of water vapor in the atmosphere (in that region) also changes to a new value. Positive feedback cycles accelerate climate change as they increase warming, leading to large non-linear responses. The earth’s climate (in contrast to the climate in current climate GCMs) is dominated by a strong net negative feedback. How can a satellite orbit decay be stepwise?
. 7. Its the currently warmer places where crops will suffer Thanks for posting to WUWT. But if the data are too noisy to falsify model predictions, they are also too noisy to confirm them. IMO, we who reject AGW are the patient and generally polite ones, but it takes a lot of willpower in the face of such mendacity and disinformation. Linzden has been economical with the truth in this article I have read, using older 2002 datasets that have been updated since. I could have included “/sarc]” at the end, but that sort of nudge in the ribs spoils the joke. Somebody is wrong here – is it Chris Colose or Lindzen/you? Is our democracy strong enough to override the massive political impetus that AGW has built up….? Good on you Dr Lindzen. It seems every time there is a correction recent temperature are moved up, past temperature are moved down. Why else would alarmists keep talking about the mysterious CO2-caused runaway global warming “tipping point”, unless that was the central question? And that is because the CO2 absorption starts right at ground level for the first few meters; where the atmospheric pressure is highest, and hence the collision broadening is maximised, and also the atmospheric temperature is highest; so the Doppler (temperature) broadening is also highest. Chip, chip, chip… the stone wall that has been erected around the false science of AGW is being torn down. What we know about the Eocene is this And I am stunned by the frequency with which people here present data as support for their arguments, that clearly contradicts what they have said! I can assure you that many people here consider the effects of drought and high temperature extremes to be someone more important to them personally than sea level rise. My, my, aren’t we full of demands today.
– Anthony that’s partly why I flagged the “long wave” / “short wave” terms. – Anthony. From 1940-1975, NH temperature fell by ~0.2 deg during the highest period of CO2 and fossil fuel growth – is the best correlation a “-25% deltaT” = i.e. Jack Simmons (00:43:18) : If this is true, then there is no way of stopping or even delaying the onset of the next ice age, due within the next 1000 years. Politicians of course always assume you can fool most of the people most of the time, but what is needed here and now is an honest message. If you want to criticize Linden at peer review level, that’s well and good, but you’ll have to publish your full name and university affiliation here. Less ice means lower albedo, so less light is reflected, which increases the warming. you have an electric car. partly caused by CFCs and CH4. Instead, they run and hide out from debate, tails firmly tucked between their hind legs.
Not coming from a control theory background, their usage makes perfect sense to me. Baseline case 100 input gives surface SS temperature T. Certainly if the Professor were to submit this article for publication, it would be rejected on these grounds alone. I’m sure that there are better ways to make a buck. Craig Allen (07:17:50) :
You’re right; I was being pedantic. http://www.newscientist.com/article/mg20126921.500-one-last-chance-to-save-mankind.html Does this qualify as the good and transparent science quite rightly promoted by WUWT?
Infrared radiation isn’t heat–it’s light. That Mann and Schmidt (and the rest of the Team) stick to their proven flawed methodology is rather humorous. Chris V., I see how Dr. Lindzen hypothesized the 0.3° sensitivity to CO2 doubling but I am not sure where the 3.7W/m2 for CO2 doubling came from. The time it takes for this to happen depends on climate sensitivity with adjustments occurring more rapidly when sensitivity is less. My opinion of course is that saturation is a simpler concept and doesn’t require a ‘tailor’ made feedback function to ‘exactly’ balance positive feedback that seems quite artificial … but whatever.
The IPCC had falsely discounted the impact of urbanization on temperature readings. Thanks for any pointers you all can give me. Cheers to you and thank you for your respectful and intelligent debate. – With positive feedback you should see oscillations. According to the media that generally inform the public about such things; it is only computer climate models that predict that. Dr. Lindzen has sent this along as an addendum to his address made at ICCC 2009 in New York City. Well, it turns out they’re almost always wrong. proof that the MWP and/or LIA did not exist.
I present it here for consideration. So to me the concept of “climate sensitivity” is simply a red herring. Mike Ramsey continued: AL Gore was just joking; you’ve actually been GAINING ground! So this is a case where close proximity of atoms alters the material properties in such a way as to make a previously forbidden transition allowable. If you read the 2002 Wielicki and Chen papers:
My inclination is to go with observation, unless the data are just plain crappy (like that from the weather stations Anthony has been studying, and on which the whole edifice of ‘global warming’ has been erected?). Less ice means more ocean cooling. It is inevitable that the predictive power of the fits will fail after a number of time steps. “”” _Jim (19:23:28) : The average person reading this post in your blog would think he is using a data set the the scientists who measured still support.
Global sea level graphs are simply the opening step to the classical model of scientific discovery.
The temperature will continue to rise until output equals input at which point 250 is both incident on and radiating from the surface.
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