Theoretical mechanism for natural radiative forcing of El Nino
... •Differences between estimates of extratropical and full (combined tropical and extratropical) hemispheric mean temperature changes in past centuries appear consistent with seasonal and spatially-specific responses to climate forcing. •Observations of an El Nino-like response to explosive tropical v ...
... •Differences between estimates of extratropical and full (combined tropical and extratropical) hemispheric mean temperature changes in past centuries appear consistent with seasonal and spatially-specific responses to climate forcing. •Observations of an El Nino-like response to explosive tropical v ...
full version of paper
... temperature, all that can be said of these data sets is that they disagree the rate of recent mean global surface warming by 42%. And, therefore, at least one of these data sets is generated using incorrect methodology. The above considers linear regression trends of change to mean global temperatur ...
... temperature, all that can be said of these data sets is that they disagree the rate of recent mean global surface warming by 42%. And, therefore, at least one of these data sets is generated using incorrect methodology. The above considers linear regression trends of change to mean global temperatur ...
CAMEL Climate Course
... Now add a trendline to the plot. What is the warming trend in °C per century? Make an additional plot of annual global temperature vs. time for only the years 1975-2009 and add a trendline. How does the slope compare to the one you determined for the 1880-2009 period? Does the rate of warming ...
... Now add a trendline to the plot. What is the warming trend in °C per century? Make an additional plot of annual global temperature vs. time for only the years 1975-2009 and add a trendline. How does the slope compare to the one you determined for the 1880-2009 period? Does the rate of warming ...
A noodle, hockey stick, and spaghetti plate: a perspective on high-resolution paleoclimatology
... To help address these issues, over the last 30 years, more than two dozen large-scale reconstructions of past temperature have been produced—most since the late 1990s. These reconstructions have placed the twentieth century warmth within the context of preceding climatic phases, such as the Medieval ...
... To help address these issues, over the last 30 years, more than two dozen large-scale reconstructions of past temperature have been produced—most since the late 1990s. These reconstructions have placed the twentieth century warmth within the context of preceding climatic phases, such as the Medieval ...
Observed climate variability and change
... the influence of human activities. Finally, there is emerging evidence for significant, rapid (time-scales of several decades or more), regional temperature changes during the last 10 000 years, well before the period for which anthropogenic influences could have been important (Fig. 2.24 of Chapter ...
... the influence of human activities. Finally, there is emerging evidence for significant, rapid (time-scales of several decades or more), regional temperature changes during the last 10 000 years, well before the period for which anthropogenic influences could have been important (Fig. 2.24 of Chapter ...
borehole
... reconstructions of past temperatures from the pre-industrial as well as the industrial period are essential. But instrumental records are typically available for no more than the past 150 years. Therefore reconstructions of pre-industrial climate rely principally on traditional climate proxy records ...
... reconstructions of past temperatures from the pre-industrial as well as the industrial period are essential. But instrumental records are typically available for no more than the past 150 years. Therefore reconstructions of pre-industrial climate rely principally on traditional climate proxy records ...
Intergovernmental Panel on Climate Change (IPCC)
... In Slide Show mode, click any item above for further information ---------------------------------------------------------------------------------------------------------Gabriele Hegerl, along with two of her Duke University colleagues and a collaborator in the United Kingdom developed their tempera ...
... In Slide Show mode, click any item above for further information ---------------------------------------------------------------------------------------------------------Gabriele Hegerl, along with two of her Duke University colleagues and a collaborator in the United Kingdom developed their tempera ...
on global warming and the role of fossil fuels
... significance of the intermediate trend down from 1940 to 1975, and the post-1998 evidence of flattening. 3. Temperature and Carbon Use Correlations Establishing the evidence for a link between anthropogenic (man-made) fossil fuel burning and temperature changes has been made more difficult by the fo ...
... significance of the intermediate trend down from 1940 to 1975, and the post-1998 evidence of flattening. 3. Temperature and Carbon Use Correlations Establishing the evidence for a link between anthropogenic (man-made) fossil fuel burning and temperature changes has been made more difficult by the fo ...
Oppenheimer et al 2007
... innovation when it was established, and its accomplishments are singular (1, 2). It was the conclusion in the IPCC First Assessment Report that the world is likely to see “a rate of increase of global mean temperature during the next century … that is greater than seen over the past 10,000 years” (3 ...
... innovation when it was established, and its accomplishments are singular (1, 2). It was the conclusion in the IPCC First Assessment Report that the world is likely to see “a rate of increase of global mean temperature during the next century … that is greater than seen over the past 10,000 years” (3 ...
Press Release 2 (July 2007)
... organisations. People will undoubtedly criticise the report I have published because it has no ‘Official Backing’, but the report contains some very basic, easily verifiable data which proves things are not as they should be. I would argue that the report is truly independent – as it has been produc ...
... organisations. People will undoubtedly criticise the report I have published because it has no ‘Official Backing’, but the report contains some very basic, easily verifiable data which proves things are not as they should be. I would argue that the report is truly independent – as it has been produc ...
Comparisons of Observed Paleoclimate and Model
... •Proxy reconstructions and model simulations both suggest that late 20th century warmth is anomalous in the context of the past 1000-2000 years •Primary source of differences between various reconstructions appear to be related to issues of seasonality and spatial representativeness • Important diff ...
... •Proxy reconstructions and model simulations both suggest that late 20th century warmth is anomalous in the context of the past 1000-2000 years •Primary source of differences between various reconstructions appear to be related to issues of seasonality and spatial representativeness • Important diff ...
Pseudoscientific elements in climate change research
... vulnerable citizens adapt to conditions that lie ahead. Attempts to prevent global climate change from occurring are ultimately futile, and constitute a tragic misallocation of resources that would be better spent on humanity’s real and pressing problems. 3. Consensus? ...
... vulnerable citizens adapt to conditions that lie ahead. Attempts to prevent global climate change from occurring are ultimately futile, and constitute a tragic misallocation of resources that would be better spent on humanity’s real and pressing problems. 3. Consensus? ...
climate_change_pt2
... Many scientists would argue that this graph is strong support of a connection between rising atmospheric greenhouse gas concentrations and global warming. Early in this time interval when CO2 concentration was constant, there is little temperature change. Temperature only begins to rise in about 190 ...
... Many scientists would argue that this graph is strong support of a connection between rising atmospheric greenhouse gas concentrations and global warming. Early in this time interval when CO2 concentration was constant, there is little temperature change. Temperature only begins to rise in about 190 ...
scientific method and the “greenhouse” theory
... system's responses to anthropogenic forcing. The chaotic component may be much harder to predict, but at this point it is not known how important it will be" The IPCC appreciated the necessity for attempting to falsify results by a process of validation from the beginning. Their first Report (1990)7 ...
... system's responses to anthropogenic forcing. The chaotic component may be much harder to predict, but at this point it is not known how important it will be" The IPCC appreciated the necessity for attempting to falsify results by a process of validation from the beginning. Their first Report (1990)7 ...
Global Signatures and Dynamical Origins of the Little Ice Age and
... Origins of the Little Ice Age and Medieval Climate Anomaly Michael E. Mann,1* Zhihua Zhang,1 Scott Rutherford,2 Raymond S. Bradley,3 Malcolm K. Hughes,4 Drew Shindell,5 Caspar Ammann,6 Greg Faluvegi,5 Fenbiao Ni4 Global temperatures are known to have varied over the past 1500 years, but the spatial ...
... Origins of the Little Ice Age and Medieval Climate Anomaly Michael E. Mann,1* Zhihua Zhang,1 Scott Rutherford,2 Raymond S. Bradley,3 Malcolm K. Hughes,4 Drew Shindell,5 Caspar Ammann,6 Greg Faluvegi,5 Fenbiao Ni4 Global temperatures are known to have varied over the past 1500 years, but the spatial ...
reef temperature wrangler for south florida national parks
... the recent past (~20yrs). Using Access and R program languages correlate temperature reading between sites, fill data gaps, and report on trends at both a local and regional level. INTERNSHIP PROJECT BACKGROUND Climate change is expected to have an major impact on South Florida in the form of sea le ...
... the recent past (~20yrs). Using Access and R program languages correlate temperature reading between sites, fill data gaps, and report on trends at both a local and regional level. INTERNSHIP PROJECT BACKGROUND Climate change is expected to have an major impact on South Florida in the form of sea le ...
African crops yield another catastrophe for the IPCC
... he wrote. The nearest any got to providing evidence for his claim was one for the Moroccan government, which said that in serious drought years, cereal yields might be reduced by 50 per cent. The report for the Algerian government, on the other hand, predicted that, on current projections, "agricult ...
... he wrote. The nearest any got to providing evidence for his claim was one for the Moroccan government, which said that in serious drought years, cereal yields might be reduced by 50 per cent. The report for the Algerian government, on the other hand, predicted that, on current projections, "agricult ...
Science says... - Agricultural Policy Analysis Center
... Carey goes on to write, “Many journals have also started to insist on what is known as preregistration. When a researcher preregisters a study, he or she spells out the hypothesis and how it is going to be tested. Doing this upfront is a powerful check against moving the goal posts on a study—that i ...
... Carey goes on to write, “Many journals have also started to insist on what is known as preregistration. When a researcher preregisters a study, he or she spells out the hypothesis and how it is going to be tested. Doing this upfront is a powerful check against moving the goal posts on a study—that i ...
Global surface temperatures over the past two millennia
... impacts of thermohaline circulation variability on hemispheric temperatures [Delworth and Mann, 2000; Bond et al., 2001] are small in comparison with the recent warming. ...
... impacts of thermohaline circulation variability on hemispheric temperatures [Delworth and Mann, 2000; Bond et al., 2001] are small in comparison with the recent warming. ...
... but it’s not a priority for any one of them, and they don’t necessarily cooperate with one another very well. So we’re hoping to restructure the way science is organized and funded in Washington for climate change. [Editor’s note: The U.S. Geological Survey and the U.S. Forest Service were created o ...
The IPCC`s Contradictory Global Temperature Data
... another more serious problem for the IPCC. § The validation of the MBH98 Temperature Proxy was the match between this proxy and the temperature data from thermometers where the two datasets overlapped. § This match was very poor on the previous proxy because proxy data does not have the same resolut ...
... another more serious problem for the IPCC. § The validation of the MBH98 Temperature Proxy was the match between this proxy and the temperature data from thermometers where the two datasets overlapped. § This match was very poor on the previous proxy because proxy data does not have the same resolut ...
Fact Sheet - Climate Change 2013
... Lead Authors and Review Editors were selected for their scientific and technical expertise in relation to the approved chapter outlines for the WGI AR5 from lists of experts nominated by governments and IPCC observer organisations. Regional and gender balance were also considered, as well as ensurin ...
... Lead Authors and Review Editors were selected for their scientific and technical expertise in relation to the approved chapter outlines for the WGI AR5 from lists of experts nominated by governments and IPCC observer organisations. Regional and gender balance were also considered, as well as ensurin ...
CarbonTradingCrisis.v.1.7
... Beware of wikipedia – climate information has been systematically corrupted http://network.nationalpost.com/np/blogs/fpcomment/archive/2009/12/19/lawrence-solomonwikipedia-s-climate-doctor.aspx Michael Mann and co-conspirators (their term, not mine – Tom Wigley, former Director of CRU, in an email t ...
... Beware of wikipedia – climate information has been systematically corrupted http://network.nationalpost.com/np/blogs/fpcomment/archive/2009/12/19/lawrence-solomonwikipedia-s-climate-doctor.aspx Michael Mann and co-conspirators (their term, not mine – Tom Wigley, former Director of CRU, in an email t ...