brother
By the way, I have comments as to the ICPP article you quoted but want
to take one thing at a time. Lets get past the point 3 below and we can
touch on that if need be. I am still waiting for Brent to respond to
the questions I posed to him yesterday as well.
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Geologist
http://www.noc.soton.ac.uk/nocs/news.php?action=display_news&idx=628Here is an article you might find interesting with some new CO2
production data.
If you want to check real time data and data from I think 200 to
present, NOAA has a good site for understanding how data is taken,
pre-processed and displayed. You really have to look at the ACTUAL data
and look at the simulated model data that's is extrapolated from it. I
trust only the real data, the simulated stuff can be anything someone
wants to program there and breakdown statistically. This is the site I
use for my greenhouse gas project in Earth Science meteorology section.
http://www.esrl.noaa.gov/gmd/ccgg/carbontracker/co2timeseries.phpGo here and look at other links at their home site, they have good
carbon maps too, but still keep in mind simulated information.
1. the temperature is rising slowly. It does get cooler and warmer from
year to year, month to month, season to season, the increase is slope
average of all that data.
2. There are many CO2 producers, animals plants, dead animals, methane
in ice, or seabed, volcanoes degassing, etc. The rise in CO2 since the
1800's is attributed to Humans more so than anything else because we
know we are putting CO2 into the atmosphere and the math of CO2 tonnage
as it equates to rise in CO2 concentrations seems to be fairly close.
(Has there been an increase in natural sources? Don't know, not measured
or observed in the detail that industrial/fossil fuel CO2 production has
been).
3. Sometimes CO2 rise doesn't equal Temperature rise, sometimes CO2
decrease doesn't mean Temperature decrease. I think with those
measurements there are the other factors like reflection of solar
energy, conductance of land surface versus ocean surface, changes in
water currents, eruptions that block solar radiation, a dust storm that
has a nuclear winter effect, there can be lots of cases where
temperature can change regardless of what CO2 is doing. Though to be a
global factor, it would have to be far reaching and significant event to
be long term effecting.
4. This is true, we wont feel the effects of our CO2 production for 140
years. What we see now in the rise of CO2 is largely industrialization
effect of the 19th-20th century efforts. NOAA people think that if we
stop now, CO2 will get up to 550-600pm before declining (from todays
present 385 level). We are shortsighted, and not likely to feel very
successful if we cut off CO2 emissions and nothing happens, except CO2
continues to increase.
5. We definitely contribute, not even worth discussing. Measurements of
stuff we observe can be equated to fossil fuel production. We will have
to identify all the major CO2 producing natural sources and figure out a
way to extrapolate that data before we can determine what proportion of
the whole is human contribution.
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Brother
As Brent just indicated, obviously we contribute to CO2 (I agree), but
to say that man is causing global warming, seems to me there are other
sources out there that contribute to it as well, have those levels been
tested, what puts out more? The challenge was that we are the #1
effect, that we greatly contribute. How does solar radiation impact
global warming? These are questions that I pose to you. I will look
through the IPCC report, I have already been looking through it.
As for the methods of collection and the analysis related thereto, check
out these articles that discuss the tactics of data collection and
analysis of the IPCC.
There are several complaints from scientist stating their reports were
edited! Several scientist disagree with the conclusions even though
they contributed data..editing again?
http://www.americanthinker.com/2007/02/the_ipcc_should_leave_science.html
http://www.americanthinker.com/blog/2008/12/ipcc_we_dont_predict_we_projec.html
http://www.americanthinker.com/2009/10/un_climate_reports_they_lie.htmlhttp://www.cato.org/pub_display.php?pub_id=4457http://www.cato.org/testimony/ct-pm-20090212.htmlHere is an interesting article suggesting the sun cycles contribute to
global warming.
http://www.space.com/scienceastronomy/sun_output_030320.htmlAll this being said, I would like to know what percentage of the worlds
overall CO2 emissions and heating of the earth is related to man. There
are the cows and deer, the methane sea beds, the solar radiation, the
volcanoes, and whatever else. Bryan indicates man is no smaller than
95% of it. Show me.
------------------------------------------------------------------------
GT
Craig said:
3. I will say that I don't think anyone is measuring those sources nor
can they likely easily do so. I think this is one of the major problems
with the global warming debate No good data collection to make a good
scientific conclusion. Ask Brent, but I think you lose the challenge on
this point right here. Not to mention the fact Brent mentioned about
the Carbon Cycle. 150 years for CO2. Let me know what you say to this,
I think you need to do some research on this as to what other sources on
earth do to produce CO2.
Bryan replies:
The whole point of the IPCC is to get good data.
Here is a link to just the scientific methodology and observations
concerning Global warming in the last major report.
http://www.ipcc.ch/publications_and_data/publications_ipcc_fourth_assessment_report_wg1_report_the_physical_science_basis.htm
It is thousands of pages long in painstaking detail to describe and
explain how exactly they gathered their data, and includes more
importantly how they are testing human created sources of CO2 versus
natural occuring production. The methodology looks at the entire
composition of the atmosphere and what chemicals and particles are
present, how they affect the temperature, and how they are changing.
In this VAST VAST report that only looks at the methodology, I stumbled
across something useful.
They have a FAQ page:
http://www.ipcc.ch/pdf/assessment-report/ar4/wg1/ar4-wg1-faqs.pdf It includes charts, graphs, and data and dumbs it all down so that we
can understand it. Then if your trying to disprove it, you can just
start making searches for claims made in the FAQ and finding criticism.
If you really want to delve into the science you might have the time to
read though the thousands of pages describing methodology and then
finding criticisms of such.
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GT
I guess Americanthinker is one of those amateur groups you were talking
about.
You realize they are an openly biased non-scientific group of
conservatives right?
Here is todays scientific headline:
Is Obama Turning Us into the Next Evil Empire?
They also were in on the "Obama is not a citizen" and did a lot of
'research' through Illuminati Productions to 'research' that Obama was
not born in the USA.
This is a website 100% dedicated to arguing against liberals and for
conservatives. Perhaps you could link their source material so we can
examine their methodology.
The Cato institute, which I read from time to time and like to see their
side of the story..
It is 100% owned and funded by Kosh Industries. I will bet you can't
guess what they do...
Kosh industries holds the record for the largest penalty ever paid for
violating environmental regulations.
Cato also got famous in the 90's for printing lots of research about
cigarettes are not harmful.. so smoke up!
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Brother
Let me know your answer to the question I posed to you, or are you
needing to research it. You might, even though you say you have
researched this topic extensively. Also, let me know what you think of
the article on solar cycles. Thanks.
------------------------------------------------------------------------
Gt
http://www.americanthinker.com/2009/10/un_climate_reports_they_lie.html This was the only link that worked other than the cato ones.
I noticed that it was an article trying to refute the hockey stick graph.
The major counter example of why it was bogus was the study by Moberg A, Sonechkin DM, Holmgren K, Datsenko NM, Karlén W
I am looking for info on them, and currently they seem to be biomedical experts.
They obtained their temperatures by looking at ice core samples from Greenland.
Maybe Brent can make more sense of their methodology.
I also noted the article was using Steven McIntyre as their main source.
He has a bachlors degree so I guess he qualifies as your Amateur scientist.
His main criticism was of the methodolgoy that produced the hockey stick graph. He has not performed any tests himself, but
seems to be good at finding problems with data he reads.
The IPCC listened to his criticism and in the 4th IPCC report addressed his concerns in chapter 6 of the Physical Science
Basis group. They said that while the methodology had some theoretical componants to it, any mistakes or guesstimations had
a very minor impact on the initial report.
Maybe Brent knows more about this as well.
--------------------------------------------------------------------------
gt
Page 268 of
http://www.ipcc.ch/pdf/assessment-report/ar4/wg1/ar4-wg1-chapter6.pdf addresses exactly what the Americanthinker link was saying.
The following is copied directly from the report and is a criticism of the work done in the Medieval temp theories.
Much of the evidence used by Lamb was drawn from a very diverse mixture of sources such as historical information, evidence
of treeline and vegetation changes, or records of the cultivation of cereals and vines. He also drew inferences from very
preliminary analyses of some Greenland ice core data and European tree ring records. Much of this evidence was diffi cult to
interpret in terms of accurate quantitative temperature infl uences. Much was not precisely dated, representing physical or
biological systems that involve complex lags between forcing and response, as is the case for vegetation and glacier changes.
Lamb's analyses also predate any formal statistical calibration of much of the evidence he considered. He concluded that
'High Medieval' temperatures were probably 1.0°C to 2.0°C above early 20th-century levels at various European locations
(Lamb, 1977; Bradley et al., 2003a).
-------------------------------------------------------
Brother
Good job of looking at that, I will take a look at what you have here.
I would like to know what percentage of the worlds overall CO2 emissions and heating of the earth is related to man. There
are the cows and deer, the methane sea beds, the solar radiation, the volcanoes, and whatever else. Bryan indicates man is
no smaller than 95% of it. Show me.
--------------------------------------------------------
Gt
I am not sure what your question is.
Also you misrepresented what I said. The ICPP says they are 95% certain
that man is responsible for the increased temperatures. They don't give
a % that man is responsible. So its not "man is responsible for 95%" of
the increase, its man is responsible for the increase and they are 95%
certain of that.
Still need to read the solar cycles thing, but I know it has already
been refuted so it shouldn't be hard to find again.
------------------------------------------------------------------
Brother
Let me reiterate the points that you started with. You said man is the
#1 cause of global warming. I am saying and Brent has indicated there
are many sources for the heating of the earth. I want to know from you
or a source you know of that shows the percentage of man compared to
these other sources of contribution and cause. Is man producing 20% of
the overall CO2 released into the earth that is causing global
temperatures to rise, is it 95%? Do CO2 emission cause 80% of the
global heating and solar cycles cause the remaining 20%. If there is no
evidence or breakdown then I think that is a big gap in the scientific
data as to how much impact man has. Do you understand the question, I
thought I was being clear. My guess is there is no way to tell and
thus there is a big gap in the data that leads us only to be able to
speculate.
------------------------------------------------------------------
Geologist
There isn't any problem with the hockey stick, you can take the data yourself and plot it up and derive the same curves from
the data. The issue that the conservative group illustrates is, again, the natural cooling and warming through history (see
the dryas_event jpg I attached).
The article didn't say it exactly, because they want you to be convinced that the data is somehow wrong. What the scientists
had a problem with was the predictive model (based on the real data). The hockey-stick predictive model has CO2 and temp.
skyrocketing, and if the predictive model parameters are flawed, then the prediction is non-sense. I would ignore all
predictive rhetoric (from either side of the argument).
He sent along some good graphs but not sure how to get them to show. I have no place to upload them to, so if you would like them message me and I will email them to you. They are on temp change over the last 2000 years and the dryes event.From information I trust, CO2 has increased 38% since pre-industrial
times. I think that caps human involvement. Of that 38%, about 20% of it
has been in the last 30 years or so. There's no way to tell what the
natural contribution to that increase was (or maybe natural CO2 is down
and human contribution is higher?), I'd like Bryan to find it, because I
haven't found any good quantitative info. Just qualitative stuff, like
seabed methane here!, coal bed methane there!, but no numbers, volumes
%'s on a global scale.
------------------------------------------------------------------
GT
http://cat.inist.fr/?aModele=afficheN&cpsidt=15045637 A report about a change in our atmosphere.
They said:
The latter show that human-induced changes in ozone and well-mixed greenhouse gases account for ∼80% of the simulated rise in tropopause height over 1979-1999.
It is on a more specific topic than just global warming. Brent will make sense of it.
------------------------------------------------------------------
Geologist
I don’t like the first charts because the group sulfates, they group CO2, they group all of these factors together and lump them as human induced factors, without separating where that CO2 comes from. It makes it appear as an assumption that all CO2 comes from humans.
The article of the troposphere is saying that that layer of the atmosphere is getting thicker and ozone layers in the stratosphere are thinning (something has to get thinner since our atmosphere isn’t growing bigger and bigger). The main reason for growth is greenhouse gases, it doesn’t say which ones, nitrous oxides, sulfates CFC's?, CO2? Some of those, like CFC's and man-made aerosols we can track and definitely say are manmade, the other gases I think they are assuming are man-made, can't really tell with out looking at the data in the actual paper.
Here is an idea, put an isotope or bond a CFC type gas to CO2 from man-made sources and then you'd be able to tell which part is natural or not. (i.e. contaminate the gas). Wonder if anyone has tried that.
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[Friend's comment sent to all involved in Debate. I am sure he found this somewhere but not sure where.]
The report was primarily authored by Benjamin Santer, who was accused by the Science and Environmental Policy Project (SEPP) in 1996 of purposely altering data in chapter 8 of the IPCC report that would could cast doubt to the influence of man in climate change. Similar claims were made by the Global Climate Coalition (although they are represented by the energy consortium). Santer responded by admitting alterations were made at the behest of governments and non-government organizations, of which he declined to identify by name. The conclusion of Chapter 8, he states, was the same despite purposely removing such phrases of doubt in the evidence at hand leaving only 20% of the chapter to discuss potential doubts. Santer states that the conclusion, "Our ability to quantify the human influence on global climate is currently limited....nevertheless, the balance of evidence suggests that there is a discernible human influence on global climate," was not changed. What he did instead was remove phrases which might encourage a differing interpretation of that conclusion and thus the intended focus of the IPCC report, which shows bias.
A balance of evidence suggests there is a discernible human influence - this is hardly scientific. Allow me to break down this language - A balance means that only a majority (>50% which could be 51%) of available evidence which they admittedly cannot quantify, suggests (not proves, not shows, not makes evident) that there is discernible (again, ambiguous language with no quantification or even estimates) human influence. But somehow that gets morphed into "Humans are causing global warming" by politicians and media. It just seems like such a stretch. Besides that fact that he also freely admits to altering the document at the suggestion of outside non-scientific influences, the team purposely uses ambiguous descriptions because they know it cannot be proven.