Saturday, November 20, 2010

Claims of more intense cyclones/hurricanes from AGW take another blow

Tropical Cyclone Intensity Discrepancies (16 Nov 2010)



The claim that 'man-made' global warming leads to more intense tropical cyclones and hurricanes takes another blow...



According to the NIPCC, "In light of the findings of Song et al., plus those of the other scientists they cite, there would appear to be little doubt that the studies of Emanuel (2005) and Webster et al. (2005) - which climate alarmists long hailed as proof positive of their claim that global warming leads to more intense tropical cyclones/hurricanes - actually provide no such evidence at all."... Read More



Additional new material posted this week on the Nongovernmental International Panel on Climate Change (NIPCC) Website:



The Past Half-Century of ENSO Behavior (16 Nov 2010)



Has it become more extreme? ... and what’s the significance of the answer? ... Read More



Lives Saved per Life Lost Due to Global Warming (16 Nov 2010)



The IPCC AR4 states with very high confidence that climate change contributes to increased mortality. However, the results from a new analysis from Christidis et al. (2010) reveal the IPCC’s “very-high-confidence” conclusion is woefully wrong ... Read More



Effects of Elevated CO2 and Temperature on Flowering Times of Asteraceae Species (16 Nov 2010)



What are the effects? ... and what are the implications of the results for prior interpretations of historical plant phenology observations? ... Read More



Two Millennia of Environmental-Disaster-Induced Wars in China (16 Nov 2010)



The IPCC contends that global warming is a threat to human societies in many ways. Authors Zhang et al. come to a somewhat different conclusion, that some countries or regions might actually benefit from increasing temperatures ... Read More



The Growth of Scots Pines in Northeast Spain (16 Nov 2010)



Scots pine basal area increment showed an overall increase of 84% during the 20th century, which trend was associated with increased atmospheric CO2 concentration ... Read More



Real-World Increase in Air’s CO2 Content Has Accelerated Growth of Natural Aspen Stands (16 Nov 2010)



Young trees grew faster in recent years than did young trees several decades ago such that “the effect of rising CO2 [was] to increase ring width by about 53%,” as a result of “a 19.2% increase in ambient CO2 levels during the growing season, from 315.8 ppm in 1958 (when CO2 records began) to 376.4 ppm in 2003.” ... Read More



ENSO Activity and Climate Change (17 Nov 2010)



The finding of “similar century-scale variability in climate archives from two El Niño-sensitive regions on opposite sides of the tropical Pacific strongly suggests that they are dominated by the low-frequency variability of ENSO-related changes in the mean state of the surface ocean in [the] equatorial Pacific.” And that “century-scale variability,” as the authors of this paper describe it, suggests that global warming typically tends to retard El Nino activity, while global cooling tends to promote it ... Read More



Intensified El Niños in the Central Equatorial Pacific (17 Nov 2010)



Are they caused by global warming? ... or do they contribute to it? ... Read More



Biological Effects of “Ocean Acidification” (17 Nov 2010)



They are probably not as bad as climate alarmists make them out to be ... Read More



Effects of Branch Warming on Tall, Mature Oak Trees (17 Nov 2010)



Changes in the phenologies of canopy leaves and acorn production from global warming yield some important results ... Read More

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