Berkeley CSUA MOTD:Entry 44090
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5/25    

2006/8/22-24 [Science/GlobalWarming] UID:44090 Activity:kinda low
8/21    Greenland's glaciers have been shrinking for 100 years
        http://www.breitbart.com/news/2006/08/21/060821191826.o0mynclv.html
        \_ nice article:
           "Greenland's glaciers have been shrinking for the past
           century, according to a Danish study, suggesting that the
           ice melt is not a recent phenomenon caused by global
           warming."
           "The shrinking of the glaciers since the 19th century is
           'the result of the atmosphere's natural warming, following
           volcanic eruptions for example and greenhouse gases,
           created by human activities, which have aggravated the
           situation further," he said."
           So, the conclusion inserted by the article author is exactly
           the opposite of what the study says.  -tom
           \_ Interesting interpretation of the text.
              \_ How can you possibly read the report text and conclude
                 that the authors are casting doubt on global warming?  -tom
                 \_ I didn't say that.  I said your interpretation was
                    interesting.  The actual text in the article says that
                    glaciers have been shrinking for a century at a near
                    constant rate with 2 high points along the way.  The
                    text you quoted says this is the result of natural
                    effects which are aggravated by human activity.  GW theory
                    says GW is caused by humans.  The article does not say
                    glacial shrinking is _caused_ by humans, only helped along
                    by an unspecified amount on top of the natural causes
                    that were already shrinking them.  And btw, where are all
                    those GW caused storms and hurricanes we were promised?
                    \_ "You're talking a lot, but you're not saying anything."
                         --David Byrne
                       \_ Or you're just deaf.  Sorry it was beyond your scope.
                    \_ Sorry you missed Katrina.
                       \_ Maybe you'd like to join us in 2006.
                          \_ hey nimrod, climate change isn't linear.
                          \_ Check out the recent typhoons in East Asia.
        \_ The Industrial Revolution started more than 100 years ago.  See the
           Global Fossil Carbon Emissions chart at
           http://en.wikipedia.org/wiki/Industrial_Revolution#Other_effects
2025/05/25 [General] UID:1000 Activity:popular
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www.breitbart.com/news/2006/08/21/060821191826.o0mynclv.html
Greenland's glaciers have been shrinking for the past century, according to a Danish study, suggesting that the ice melt is not a recent phenomenon caused by global warming. Danish researchers from Aarhus University studied glaciers on Disko island, in western Greenland in the Atlantic, from the end of the 19th century until the present day. "This study, which covers 247 of 350 glaciers on Disko, is the most comprehensive ever conducted on the movements of Greenland's glaciers," glaciologist Jacob Clement Yde, who carried out the study with Niels Tvis Knudsen, told AFP. Using maps from the 19th century and current satellite observations, the scientists were able to conclude that "70 percent of the glaciers have been shrinking regularly since the end of the 1880s at a rate of around eight meters per year," Yde said. "We studied 95 percent of the area covered by glaciers in Disko and everything indicates that our results are also valid for the glaciers along the coasts of the rest of Greenland," he said. The biggest reduction was observed between 1964 and 1985. "A three-to-four degree increase of the temperature on Greenland from 1920 to 1930, and the increase recorded since 1995 has sped up the ice melt," he said. The effect of the rising temperatures in the 1920s and 1930s was "visible dozens of years later, and that of the 1990s will be (visible) in 10 or 20 years," Yde said, adding that he expected Greenland's glaciers to melt even faster in the future. The shrinking of the glaciers since the 19th century is "the result of the atmosphere's natural warming, following volcanic eruptions for example and greenhouse gases, created by human activities, which have aggravated the situation further," he said. The study also showed new results on galloping glaciers, the name given to glaciers that surge very quickly for a few years, up to 50 meters a day, before advancing more slowly at a rate of 20 meters per year," he said. "We have identified, thanks to new analyses of aerials photographs and satellite images, almost four times more galloping glaciers, or 75 compared to just 20 in previous estimates," he said. The two authors of the study were to present their results on Monday at a conference in Cambridge, England on the impact of global warming on glaciers.
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en.wikipedia.org/wiki/Industrial_Revolution#Other_effects
The development of the steam engine started the Industrial Revolution in Britain. The steam engine was created to pump water from coal mines, enabling them to be deepened beyond groundwater levels. machine tools in the first two decades of the 19th century facilitated the manufacture of more production machines for manufacturing in other industries. The period of time covered by the Industrial Revolution varies with different historians. assembly line, stated, "There is but one rule for the industrialist, and that is: Make the highest quality goods possible at the lowest cost possible, paying the highest wages possible." The Condition of the Working Class in England in 1844 spoke of "an industrial revolution, a revolution which at the same time changed the whole of civil society". As national border controls became more effective, the spread of disease was lessened, therefore preventing the epidemics common in previous times. The percentage of children who lived past infancy rose significantly, leading to a larger workforce. The presence of a large domestic market should also be considered an important catalyst of the Industrial Revolution, particularly explaining why it occurred in Britain. interest rate was about 5% in England and over 30% in China, which illustrates how capital was much more abundant in England; Some historians credit the different belief systems in China and Europe with dictating where the revolution occurred. The key difference between these belief systems was that those from Europe focused on the individual, while Chinese beliefs centered around relationships between people. The family unit was more important than the individual for the large majority of Chinese history, and this may have played a role in why the Industrial Revolution took much longer to occur in China. There was the additional difference as to whether people looked backwards to a reputedly glorious past for answers to their questions or looked hopefully to the future. Philipp Jakob Loutherbourg the Younger The debate about the start of the Industrial Revolution also concerns the massive lead that Britain had over other countries. Alternatively, the greater liberalisation of trade from a large merchant base may have allowed Britain to produce and utilise emerging scientific and technological developments more effectively than countries with stronger monarchies, particularly China and Russia. Britain's extensive exporting cottage industries also ensured markets were already available for many early forms of manufactured goods. The nature of conflict in the period resulted in most British warfare being conducted overseas, reducing the devastating effects of territorial conquest that affected much of Europe. This was further aided by Britain's geographical position-- an island separated from the rest of mainland Europe. Another theory is that Britain was able to succeed in the Industrial Revolution due to the availability of key resources it possessed. It had a dense population for its small geographical size. Local supplies of coal, iron, lead, copper, tin, limestone and water power, resulted in excellent conditions for the development and expansion of industry. The stable political situation in Britain from around 1688, and British society's greater receptiveness to change (when compared with other European countries) can also be said to be factors favouring the Industrial Revolution. Unitarians, in particular, were very involved in education, by running Dissenting Academies, where, in contrast to the Universities of Oxford and Cambridge, and schools such as Eton and Harrow, much attention was given to mathematics and the sciences--areas of scholarship vital to the development of manufacturing technologies. Historians sometimes consider this social factor to be extremely important, along with the nature of the national economies involved. edit Lunar Society The work ethic argument has, on the whole, tended to neglect the fact that several inventors and entrepreneurs were rational free thinkers or "Philosophers" typical of a certain class of British intellectuals in the late 18th century, and were by no means normal church goers or members of religious sects. Its members were exceptional in that they were among the very few who were conscious that an industrial revolution was then taking place in Britain. They actively worked as a group to encourage it, not least by investing in it and conducting scientific experiments which led to innovative products. These textile mills became the model for the organisation of human labour in factories. Besides the innovation of machinery in factories, the assembly line greatly improved efficiency too. With a series of men trained to do a single task on a product, then having it moved along to the next worker, the number of finished goods also rose significantly. edit Transmission of innovation Knowledge of new innovation was spread by several means. Workers who were trained in the technique might move to another employer, or might be poached. A common method was for someone to make a study tour, gathering information where he could. During the whole of the Industrial Revolution and for the century before, all European countries and America engaged in study-touring; some nations, like Sweden and France, even trained civil servants or technicians to undertake it as a matter of state policy. In other countries, notably Britain and America, this practice was carried out by individual manufacturers anxious to improve their own methods. Study tours were common then, as now, as was the keeping of travel diaries. Records made by industrialists and technicians of the period are an incomparable source of information about their methods. Rees's Cyclopaedia contains an enormous amount of information about the science and technology of the first half of the Industrial Revolution, very well illustrated by fine engravings. Encyclopdie explained foreign methods with fine engraved plates. Periodical publications about manufacturing and technology began to appear in the last decade of the 18th century, and a number regularly included notice of the latest patents. This has the advantage that impurities (such as sulfur) in the coal do not migrate into the metal. This technology was applied to lead from 1678 and to copper from 1687. pig iron he made was largely only used for the production of cast iron goods such as pots and kettles. In this he had an advantage over his rivals in that his pots, cast by his patented process, were thinner and hence cheaper than those of his rivals. From 1785, perhaps because the improved version of potting and stamping was about to come out of patent, a great expansion in the output of the British iron industry began. The new processes did not depend on the use of charcoal at all, and were therefore not limited by the speed at which trees grow. Up to that time, British iron manufacturers had used considerable amounts of imported iron to supplement native supplies. He was able to greatly increase the scale of the manufacture by replacing the relatively expensive glass vessels formerly used with larger, less expensive chambers made of riveted sheets of lead. Instead of a few pounds at a time, he was able to make a hundred pounds or so at a time in each of the chambers. Leblanc process was done by reacting sulfuric acid to sodium chloride to give sodium sulfate and hydrochloric acid. The sodium sulfate was heated with limestone (calcium carbonate) and coal to give a mixture of sodium carbonate and calcium sulfide. Addition of it to water separated the soluble sodium carbonate from the calcium sulfide. These two chemicals were very important in that they enabled the introduction of a host of other inventions, replacing many small-scale operations with more cost-effective and controllable processes. Sodium carbonate saw many uses in the glass, textile, soap, and paper industries. Claude Louis Berthollet, revolutionized the bleaching processes in the textile industry by dramatically reducing the time required (from months to days) for the traditional process then in use, which required repeated exposure t...