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One of the things the global warming moonbats point at as proof of their Global Warming theory is the melting of Swiss glaciers, for example the below is from June 2009:

Global warming is happening in Switzerland too. The latest study revealed that glaciers in Switzerland shrank by huge 12 percent in the last 10 years, which is their highest melting rate in history. Scientists agree that this is due to higher temperatures and lighter snowfalls. Scientific data showed that this last decade was really bad in terms of glacier melting in Switzerland, and that Switzerland lost lot of water due to rapid melting of glaciers.

Here’s a little secret that the moonbats aren’t telling us, the Swiss Glaciers were melting faster 70 years ago than they are today. So much for global warming:

The most recent studies by researchers at ETH Zurich show that in the 1940s Swiss glaciers were melting at an even-faster pace than at present. This is despite the fact that the temperatures in the 20th century were lower than in this century. Researchers see the main reason for this as the lower level of aerosol pollution in the atmosphere.

In Switzerland, the increase in snow in wintertime and the glacier melt in summertime have been measured at measurement points at around 3,000 metres above sea level – on the Clariden Firn, the Great Aletsch glacier and the Silvretta glacier – without interruption for almost 100 years. As part of his doctoral work, Matthias Huss used this unique range of measurements to examine how climate change in the last century affected the glaciers. The work was carried out under the supervision of Martin Funk, professor and head of the Department for Glaciology at the Laboratory for Hydraulics, Hydrology and Glaciology (‘VAW’) at ETH Zurich, who is also co-author of the study.

 …the research team took into account the solar radiation measured on the Earth’s surface in Davos since 1934. Studies over the past two decades have shown that solar radiation varies substantially due to aerosols and clouds, and this is assumed to influence climate fluctuations. Recent years have seen the emergence of the terms ‘global dimming’ and ‘global brightening’ to describe these phenomena of reduced and increased solar radiation respectively. These two effects are currently the subject of more and more scientific research, in particular by ETH Zurich, as experts feel that they should be taken into account in the climate models (see ETH Life dated July 9, 2009)

The new study, published in the journal ‘Geophysical Research Letters’, confirms this requirement. This is because, taking into account the data recorded for the level of solar radiation, the scientists made a surprising discovery: in the 1940s and in the summer of 1947 especially, the glaciers lost the most ice since measurements commenced in 1914. This is in spite of the fact that temperatures were lower than in the past two decades. “The surprising thing is that this paradox can be explained relatively easily with radiation”, says Huss, who was recently appointed to the post of senior lecturer at the Department of Geosciences at the University of Fribourg in Switzerland.

On the basis of their calculations, the researchers have concluded that the high level of short-wave radiation in the summer months is responsible for the fast pace of glacier melt. In the 1940s, the level was 8% higher than the long-term average and 18 Watts per square metres above the levels of the past ten years. Calculated over the entire decade of the 1940s, this resulted in 4% more snow and ice melt compared with the past ten years.

Furthermore, the below-average melt rates at the measurement points during periods in which the glacier snouts were even advancing correlate with a phase of global dimming, between the 1950s and the 1980s.

The researchers arrived at their findings by calculating the daily melt rates with the aid of climate data and a temperature index model, based on the half-yearly measurements on the glaciers since 1914. These results were then compared with the long-term measurements of solar radiation in Davos.

Of Course the Scientists say that this doesn’t mean that global warming does not exist. But to this reader it looks as if the pace of glacier melt is more dependent on natural phenomenon than anything man may be doing.

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