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Sun Jan 8, 2012, 08:40 PM

The E/E pocket reference guide [View all]

Last edited Thu Apr 19, 2012, 08:53 PM - Edit history (19)

This discussion thread is pinned.
E/E invites discussion or any subject pertaining to the environment (biodiversity, pollution, GM crops, population et al); energy (fossil fuels, renewables, and the great nuclear pie-fight); and of course climate change/resource use which links the two. Peak oil related posts are also welcome, but don't forget the peak oil group.

If you've got questions about climate change feel free to ask, but if you repeatedly post denialist rubbish you are liable to be shown the door...

Jump to:
Greenhouse Gasses
Temperatures
Hydrology
Paleoclimate
Energy
Responses to denialist claptrap
Links

Last update Apr 20 2012.

[div id="secghg"][font size=4 ]GHGs[/font]

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CO[sub]2[/sub] (Global):
Source: NOAA
Carbon dioxide is the GHG that gets discussed the most, because of the sheer amount we produce (9 billion tons in 2010) and because so much of our existing energy produces it. Note: NOAA have tweaked their website breaking the link, so I've switched to the global figures.
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OECD/non OECD CO[sub]2[/sub] emissions by source - 1990 to 2035
Source: EIA
Many more at the link.
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CH[sub]4[/sub] (Mauna Loa):
Source: NOAA
Methane is a much stronger GHG than CO[sub]2[/sub], but thankfully short-lived. The main anthropologic source is farming (ruminant burps and farts, decomposition in rice paddies) although an increasing amount is produced by melting clathrates due to climate change - a positive feedback.
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N[sub]2[/sub]O (Mauna Loa):
Source: NOAA
(The link also has info on Sulfur Hexaflouride, Carbon Monoxide & Hydrogen)
Stronger again than CO[sub]2[/sub] and longer lasting than methane, Nitrous Oxide is produced by the worst coal plants and fertilizer (now the main source).
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Suess Effect: [sup]13[/sup]C
Source: Scripps (image in Graphics Gallery)
Wikipedia has a good primer on the Suess effect if needed.
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Suess Effect: [sup]14[/sup]C
Source: Scripps (image in Graphics Gallery)
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Suess Effect: [sup]14[/sup]C, historic:
Source: UCLA
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[div id="sectem"][font size=4 ]Temperatures[/font]
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GISS Temperature Anomolies:
Source: NASA
This tends to get updated around the middle of the month, when I remember to do it.
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Ocean heat content:
Source: NOAA
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The 'Hockey stick':
Source: The OSS Foundation
There are various versions of this chart: This is the from the last IPCC report, but there are more (with comparisons) at the link.
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Realism vs Skepticism:
Source: Skeptical Science
Pwnd. Also check out Rasmus Benestad's trend-fudging masterclass at RealClimate.
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[div id="sechyd"][font size=4 ]Hydrology[/font]
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US Drought:
Source: UNL
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Arctic ice area:
Source: UIUC
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Arctic ice mass (PIOMAS):
Source: WashingtonU
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PIOMAS trends:
Source: Neven
Neven's Plot'o'Doom. Not guaranteed, but certainly food for thought.
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Arctic ice map:
Source: UIUC
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Antarctic ice map:
Source: UIUC
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[div id="secpal"][font size=4 ]Paleoclimate[/font]
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CO[sub]2[/sub] & Temp for 5 glaciations
Source: GWArt
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Milankovitch cycles
Source: GWArt
NB: Recent is on the left.
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CO[sub]2[/sub] & Temp for 4 glaciations
Source: VictoriaU
NB: Recent is on the left.
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[div id="secene"][font size=4 ]Energy[/font]
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US Energy flowchart - 2010
Source: LLNL
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Global energy production - 1985 to 2010
Source: Consumer Energy Report
NB: The figures are from BP, but I assume they're accurate.
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Energy consumption by fuel - 1990 to 2035
Source: EIA
Many more at the link.
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[div id="secres"][font size=4 ]Responses to denialist claptrap[/font]
Claim: CO[sub]2[/sub] followed warming after the last ice age.
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Details: Rather than an increase in CO[sub]2[/sub] causing increasing temperatures at the end of the last ice, the increase in CO[sub]2[/sub] was caused by increasing temperatures. Therefore, we don't need to worry about increasing CO[sub]2[/sub] now.
Response: A test of 80 temperature proxies referenced against CO[sub]2[/sub] levels (from air trapped in ice) shows that the the CO[sub]2[/sub] definitely came first. A fuller explanation can be found at http://www.livescience.com/19481-ice-age-carbon-dioxide-orbit.html, and the paper is at http://www.nature.com/nature/journal/v484/n7392/full/nature10915.html
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(I'll add more of these next week )

[div id="seclin"][font size=4 ]Links[/font]
RealClimate: Climate Science from climate scientists.
Skeptical Science: Examines the science and arguments of global warming skepticism.
The Oil Drum: Discussions about Energy and Our Future
Nevan's ice blog.
GliderGuider's happy fun pages.

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