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- Energy balance and the oceans
- H2O decreasing while CO2 rises !
- Marcott – Proxy errors and conclusions
- Detecting peaks in Marcott data
- Map of Marcott Proxies
- Evidence that Marcott’s up-tick is an artefact
- Marcott Study
- Beware which way the wind blows.
- Water Vapor Decline Cools the Earth: NASA Satellite Data
- Radiative Forcing of CO2
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Tag Archives: Climate Change
Energy balance and the oceans
Climate forcing relies on an imbalance between incoming solar energy and outgoing IR energy at the TOA (top of atmosphere). The CERES instruments monitor radiation fluxes at the TOA and has measured this imbalance over the last 11 years [1]. … Continue reading
Posted in AGW, Climate Change, climate science, Science
Tagged Climate Change, energy balance
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Marcott – Proxy errors and conclusions
There has been a lot of discussion (see here) about the treatment of errors by Marcott et al. through their Monte Carlo analysis. Since I avoided any interpolation or Monte Carlo by using only the measured values for each proxy, … Continue reading
Posted in AGW, Climate Change, climate science, Science
Tagged Climate Change, CO2, Ice Ages, Marcott
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Detecting peaks in Marcott data
New: Simulation of a 20% uncertainty in proxy resolution time and peaks practically disappear. Have there been previous warming periods over the last 10,000 years comparable to current warming ? If so would Marcott proxy data have been able to … Continue reading
Posted in AGW, Climate Change, climate science, Ice Ages, Science
Tagged Climate Change, Ice Ages, Marcott
59 Comments
Map of Marcott Proxies
The map below shows the location of the 73 proxies provided by Marcott el al. “Mouse over” gives the name of the station and a click on the dot shows the graph of the measured temperatures and anomalies (relative to … Continue reading
Posted in AGW, Climate Change, climate science, Ice Ages, Science
Tagged Climate Change, visualisation
4 Comments
Evidence that Marcott’s up-tick is an artefact
I have calculated from scratch the global averaged temperature anomalies for the 73 proxies used by Marcott et al. in their recent Science paper. The method used is described in the previous post. It avoids any interpolation between measurements and … Continue reading
Marcott Study
There has been much media interest in a recent paper by Marcott et. al “A Reconstruction of Regional and Global Temperature for the Past 11,300 Years” published in Science. It seemingly shows that following a slow cooling over the last … Continue reading
Posted in AGW, Climate Change, climate science, Ice Ages, Science
Tagged Climate Change, global warming
1 Comment
Mars Greenhouse effect
Mars has a much thinner atmosphere than Earth but it is 95% composed of CO2. One might therefore expect a larger greenhouse effect, since there are 20 times more CO2 molecules in the Martian atmosphere than there are on Earth. … Continue reading
Posted in AGW, Climate Change, climate science, Physics, Science
Tagged Climate Change, CO2, Mars
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Met Office Statistics
The UK Met Office seem determined to stand by their claim made in response to the David Rose article in the Mail on Sunday: ‘The linear trend from August 1997 (in the middle of an exceptionally strong El Nino) to … Continue reading
Posted in Climate Change, climate science, Institiutions, Science, UK Met Office
Tagged Climate Change, global warming, Staistics
23 Comments
Met Office Embarrassment
The recent Mail on Sunday article by David Rose showing essentially no global warming for the the last 16 years has caused quite a stir. The data he used for the article are the Met Office/UEA own dataset – Hadcrut4. The … Continue reading
Posted in AGW, Climate Change, climate science, Science
Tagged Climate Change, Met Office, Models
6 Comments
Decelerating Global Warming !
Shown below is an updated version of the 2007 IPCC graph which formed the basis for the claim that AGW was accelerating. The same analysis repeated in 2012 now shows a deceleration in warming, which demonstrates just how dubious the original … Continue reading