-Caveat Lector- Very interesting indeed. It appears these fellow scientists have forgotten that measuring the temperature of the ocean in not the only way of monitoring global warming. There are measurements comparing the temperatures of the troposphere to those of the stratosphere (I came across these last year in a course, those notes are now covered in spider web, unfortunately). I think they would have spend their money and resources much better tring to support research work to minimise the human impact on global warming. Take a look at this website attached for more info on remote sensing. just a thought, use it.... don't use it.... http://infoserver2.ciesin.org/TG/RS/satimprt.html Regards Senzo Makhathini Water and Environmental Technology Company : Sasol Technology (Pty) Ltd. Telephone : (+27 16) 960 3894 Facsimile : (+27 11) 522 4049 Cellular : (+27 83) 356 0815 Electronic mail : [EMAIL PROTECTED] Disclaimer Imidanti equkethwe kulombiko yimibono yami ngedwa, ayixhumene nakancane nemibono ka Sasol. -----Original Message----- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]] Sent: Sunday, January 14, 2001 4:32 AM To: [EMAIL PROTECTED] Cc: [EMAIL PROTECTED]; [EMAIL PROTECTED]; [EMAIL PROTECTED]; [EMAIL PROTECTED]; [EMAIL PROTECTED]; [EMAIL PROTECTED]; [EMAIL PROTECTED]; [EMAIL PROTECTED]; [EMAIL PROTECTED]; [EMAIL PROTECTED]; [EMAIL PROTECTED]; [EMAIL PROTECTED] Subject: [EnviroTalk] Global warming claims 'based on false data'?? Are there any comments or retorts to this controversial report? ====== LONDON TELEGRAPH Jan. 14, 2001 Global warming claims 'based on false data' By Robert Matthews FRESH doubt has been cast on evidence for global warming following the discovery that a key method of measuring temperature change has exaggerated the warming rate by almost 40 per cent. Studies of temperature records dating back more than a century have seemed to indicate a rise in global temperature of around 0.5 ° C, with much of it occurring since the late 1970s. This has led many scientists to believe that global warming is under way, with the finger of blame usually pointed at man-made pollution such as carbon dioxide. Now an international team of scientists, including researchers from the Met Office in Bracknell, Berkshire, has found serious discrepancies in these temperature measurements, suggesting that the amount of global warming is much less than previously believed. The concern focuses on the temperature of the atmosphere over the sea, which covers almost three quarters of the Earth's surface. While scientists use standard weather station instruments to detect warming on land, they have been forced to rely on the crews of ships to make measurements over the vast ocean regions. Crews have taken the temperature by dipping buckets into the sea or using water flowing into the engine intakes. Scientists have assumed that there is a simple link between the temperature of seawater and that of the air above it. However, after analysing years of data from scientific buoys in the Pacific that measure sea and air temperatures simultaneously, the team has found no evidence of a simple link. Instead, the seawater measurements have exaggerated the amount of global warming over the seas, with the real temperature having risen less than half as fast during the 1970s than the standard measurements suggest. Reporting their findings in the influential journal Geophysical Research Letters, the scientists say that the exact cause of the discrepancy is not known. One possibility is that the atmosphere responded faster than the sea to cooling events such as volcanic eruptions. The findings have major implications for the climate change debate because the sea temperature measurements are a key part of global warming calculations. According to the team, replacing the standard seawater data with the appropriate air data produces a big cut in the overall global warming rate during the last 20 years, from around 0.18ˇC per decade to 0.13ˇC. This suggests that the widely-quoted global warming figure used to persuade governments to take action over greenhouse gases exaggerates the true warming rate by almost 40 per cent. The team is now calling for climate experts to switch from seawater data to sea-air temperature measurements. One member of the team, David Parker, of the Hadley Centre for Climate Prediction and Research at the Met Office, said that the discovery of the discrepancy "shows we don't understand everything, and that we need better observations - all branches of science are like that". Yet according to Mr Parker, the new results do not undermine the case for global warming: "It is raising questions about the interpretation of the sea-surface data." Even so, the findings will be seized on by sceptics as more evidence that scientists have little idea about the current rate of global warming, let alone its future rate. Climate experts are still trying to explain why satellites measuring the temperature of the Earth have detected little sign of global warming - despite taking measurements during supposedly the warmest period on record. Some researchers suspect that the fault may again lie with the ground-based temperature measurements. They say that many of the data come from stations surrounded by growing urban sprawl, whose warmth could give a misleading figure. A study of data taken around Vienna, Austria, between 1951 and 1996 found that the air temperature rose by anything from zero to 0.6ˇC, depending on precisely where the measurements were made. __________ EcoNews Service - Always online for Exopolitics & a Universe Ecology. EcoNews http://www.ecologynews.com/ Prague http://mujweb.cz/www/ecologynews/ mailto:[EMAIL PROTECTED] <A HREF="http://www.ctrl.org/">www.ctrl.org</A> DECLARATION & DISCLAIMER ========== CTRL is a discussion & informational exchange list. Proselytizing propagandic screeds are unwelcomed. Substance—not soap-boxing—please! These are sordid matters and 'conspiracy theory'—with its many half-truths, mis- directions and outright frauds—is used politically by different groups with major and minor effects spread throughout the spectrum of time and thought. 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