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#192
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:::Then why hasn't the current level caused accelerated plant growth and
kept ::the :::level from growing? :: ::Then why doesn't the rate of growth of the 'current level' correlate ::to human output? :: ::Sinks -- plants, oceans. But they obviously are not absorbing it all. : :Yep. It's called 'dynamic equilibrium'. You claim to teach :chemistry. Go look it up. : :If we were in equilibrium, CO2 wouldn't be increasing. You look that up. You don't know what the word 'dynamic' means? Yes. A is going to B and B is going to A; the overall system isn't changing however. As opposed to 'static' equilibrium, in which neither A nor B is doing anything. Two rocks are pretty much in static equilibrium; N2 and H2 in equilibrium with NH3 is a dynamic equilibrium. ::As someone just pointed out, plant growth IS accelerating. Why's that ::happening and do you seriously think it has no effect? :: ::Yet plant growth cannot even absorb all the added CO2 humans are putting out ::now. : :How do you arrive at that conclusion? : ![]() Duh. Meaningless statement. You claim to be a scientist. Tell us why it's a meaningless statement. Gee, Fred, since you seem to be all-knowing, why don't you tell us. ::Why do you think it will in the future? : :Who said I did? Why do you think it can't or won't? : :Read up on dynamic equilibria, examine the rate of CO2 output by year, :and then try engaging your brain. : :CO2 is increasing -- fact. Therefore, plants are not absorbing all the CO2 -- :logic. Go study 'feedback loops', Lloyd. Fred, I don't know how to make this any simpler: If plants can absorb all the added CO2, they would be doing so now. They're not. Lloyd. for someone who claims to be a scientist, you really are too fond of talking about things you know nothing about. The plants absorb more carbon in an environment with a higher concentration of it. thus an increase in the carbon released into the atmosphere generates a LAGGING acceleration of plant growth, with the attendent co2 removal. The concentration increases, typically with a little overshoot, and then returns to an equilibrium value higher than the original value. This is assuming a constant addition, we are unlikely to see the co2 level in the atmosphere level off until after we stop releasing it at an ever-accelerating rate. To put it another way, plants are not telepathic, they cannot respond before the stimulus. |
#193
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In sci.space.policy Rand Simberg wrote:
I didn't say it was all wrong. Go get a dictionary, and look up the words "most" and "all." Any particular aspects you want to claim as "wrong"? Or is it just the same as with reporting about Iraq where you claimed most of it was inaacurate and anyways simply made up by reporters never leaving hotel lobbies? You are such a losing liar, Rand. -- Sander +++ Out of cheese error +++ |
#194
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Plants absorb CO2 but plants also release CO2, ie they die and
decompose sooner or later or end up burned. For Plants to absorb all the increase of CO2 humans produce the overall mass of living plant matter has to rise. A Lot. This doesn't appear to be occurring. The assumption that they will "catch up" with the increase is, like most skeptic arguments pretty poor and not in line with observed facts. It only sounds reasonable in the absence of knowledge of the subject. Ken |
#195
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On 23 Mar 2006 18:35:49 -0800, "Ken" wrote:
Plants absorb CO2 but plants also release CO2, ie they die and decompose sooner or later or end up burned. For Plants to absorb all the increase of CO2 humans produce the overall mass of living plant matter has to rise. A Lot. This doesn't appear to be occurring. The assumption that they will "catch up" with the increase is, like most skeptic arguments pretty poor and not in line with observed facts. It only sounds reasonable in the absence of knowledge of the subject. Ken Once upon a time vast forests decomposed and left behind what are now coal seams. This mechansim will have to happen again if the plants are going to be able to clense the earth of the excess CO2 that exists in the air at present. DPH |
#196
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Please remove sci.geo.geology from followups. This subthread is not
relevant to geology. |
#197
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On Fri, 24 Mar 2006 01:32:25 +0000 (UTC), in a place far, far away,
Sander Vesik made the phosphor on my monitor glow in such a way as to indicate that: In sci.space.policy Rand Simberg wrote: I didn't say it was all wrong. Go get a dictionary, and look up the words "most" and "all." Any particular aspects you want to claim as "wrong"? With not context, this is an asinine question. |
#198
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In article .com,
"bill" wrote: :::Then why hasn't the current level caused accelerated plant growth and kept ::the :::level from growing? :: ::Then why doesn't the rate of growth of the 'current level' correlate ::to human output? :: ::Sinks -- plants, oceans. But they obviously are not absorbing it all. : :Yep. It's called 'dynamic equilibrium'. You claim to teach :chemistry. Go look it up. : :If we were in equilibrium, CO2 wouldn't be increasing. You look that up. You don't know what the word 'dynamic' means? Yes. A is going to B and B is going to A; the overall system isn't changing however. As opposed to 'static' equilibrium, in which neither A nor B is doing anything. Two rocks are pretty much in static equilibrium; N2 and H2 in equilibrium with NH3 is a dynamic equilibrium. ::As someone just pointed out, plant growth IS accelerating. Why's that ::happening and do you seriously think it has no effect? :: ::Yet plant growth cannot even absorb all the added CO2 humans are putting out ::now. : :How do you arrive at that conclusion? : ![]() Duh. Meaningless statement. You claim to be a scientist. Tell us why it's a meaningless statement. Gee, Fred, since you seem to be all-knowing, why don't you tell us. ::Why do you think it will in the future? : :Who said I did? Why do you think it can't or won't? : :Read up on dynamic equilibria, examine the rate of CO2 output by year, :and then try engaging your brain. : :CO2 is increasing -- fact. Therefore, plants are not absorbing all the CO2 -- :logic. Go study 'feedback loops', Lloyd. Fred, I don't know how to make this any simpler: If plants can absorb all the added CO2, they would be doing so now. They're not. Lloyd. for someone who claims to be a scientist, you really are too fond of talking about things you know nothing about. The plants absorb more carbon in an environment with a higher concentration of it. thus an increase in the carbon released into the atmosphere generates a LAGGING acceleration of plant growth, with the attendent co2 removal. Lagging? In 150 years of CO2 emissions, the CO2 is rising, fairly linearly. There is absolutely no evidence plants will ever absorb enough to bring this back down to where it was 150 years ago. The concentration increases, typically with a little overshoot, and then returns to an equilibrium value higher than the original value. So plants cannot absorb all the added CO2. This is assuming a constant addition, we are unlikely to see the co2 level in the atmosphere level off until after we stop releasing it at an ever-accelerating rate. To put it another way, plants are not telepathic, they cannot respond before the stimulus. |
#199
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In article .com,
"Ken" wrote: Plants absorb CO2 but plants also release CO2, ie they die and decompose sooner or later or end up burned. For Plants to absorb all the increase of CO2 humans produce the overall mass of living plant matter has to rise. A Lot. This doesn't appear to be occurring. It is propably occurring all the time. The missing sink is propably soil. Plants die, but do not compose totally. Carbon remains in soil, that is the black fertile soil. Without carbon, soil is just fine mineral particles. The assumption that they will "catch up" with the increase is, like most skeptic arguments pretty poor and not in line with observed facts. It only sounds reasonable in the absence of knowledge of the subject. Ken |
#200
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:::Then why hasn't the current level caused accelerated plant growth and
kept ::the :::level from growing? :: ::Then why doesn't the rate of growth of the 'current level' correlate ::to human output? :: ::Sinks -- plants, oceans. But they obviously are not absorbing it all. : :Yep. It's called 'dynamic equilibrium'. You claim to teach :chemistry. Go look it up. : :If we were in equilibrium, CO2 wouldn't be increasing. You look that up. You don't know what the word 'dynamic' means? Yes. A is going to B and B is going to A; the overall system isn't changing however. As opposed to 'static' equilibrium, in which neither A nor B is doing anything. Two rocks are pretty much in static equilibrium; N2 and H2 in equilibrium with NH3 is a dynamic equilibrium. ::As someone just pointed out, plant growth IS accelerating. Why's that ::happening and do you seriously think it has no effect? :: ::Yet plant growth cannot even absorb all the added CO2 humans are putting out ::now. : :How do you arrive at that conclusion? : ![]() Duh. Meaningless statement. You claim to be a scientist. Tell us why it's a meaningless statement. Gee, Fred, since you seem to be all-knowing, why don't you tell us. ::Why do you think it will in the future? : :Who said I did? Why do you think it can't or won't? : :Read up on dynamic equilibria, examine the rate of CO2 output by year, :and then try engaging your brain. : :CO2 is increasing -- fact. Therefore, plants are not absorbing all the CO2 -- :logic. Go study 'feedback loops', Lloyd. Fred, I don't know how to make this any simpler: If plants can absorb all the added CO2, they would be doing so now. They're not. Lloyd. for someone who claims to be a scientist, you really are too fond of talking about things you know nothing about. The plants absorb more carbon in an environment with a higher concentration of it. thus an increase in the carbon released into the atmosphere generates a LAGGING acceleration of plant growth, with the attendent co2 removal. Lagging? In 150 years of CO2 emissions, the CO2 is rising, fairly linearly. There is absolutely no evidence plants will ever absorb enough to bring this back down to where it was 150 years ago. AH... A linear increase with an exponentially increasing input, sounds like there is a response somewhere.... Any clue where? The concentration increases, typically with a little overshoot, and then returns to an equilibrium value higher than the original value. So plants cannot absorb all the added CO2. As long as the release continues to increase, equilibrium will not be attained. once the output stabilizes, the eco-system will come to an equilibrium. granted at a higher concentration than if we were releasing nothing at all. This is really basic stuff, I would think even you could grasp it. This is assuming a constant addition, we are unlikely to see the co2 level in the atmosphere level off until after we stop releasing it at an ever-accelerating rate. To put it another way, plants are not telepathic, they cannot respond before the stimulus. |
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