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Speculation about the potential negative impact of three gorges project has existed, but it spread mainly in civil and in online forums, and in the media, the reader is often read "certain experts say that a certain climate issues and the three gorges project has nothing to do" remarks. p90x Such as, on August 11, 2003 Xinhua reported, Chongqing a meteorological expert said, "Yangtze River basin continued high temperature and three gorges water has nothing to do"; youth reported under on January 9, 2007 reported, Yangtze River hydrological Council expert said, 2006 "Yangtze River basin appears has to water serious partial less of situation, and three gorges p90x for women engineering water no directly relationship"; Science times under on April 16, 2007 reported, China Meteorological Bureau national climate Center and Chinese Academy of Sciences atmospheric physical Institute more bit expert pointed out that, "Sichuan Yu high temperature and three gorges engineering has nothing to do"; economic reference reported under on March 15, 2011 reported, China Meteorological Bureau expert think, "extreme weather climate and three gorges engineering has nothing to do". power 90 In theory, because of their specialized knowledge of experts and independent position and win the respect of social and scientific spirit, and to contribute to society. Role of experts in different from government officials, more is different from the general public. Proceeding from the basic scientific principles, to determine the causal relationship between the two things are very difficult, requires rigorous theoretical study and empirical studies, need to demonstrate the logic relation and causal mechanisms. p90x sale Therefore, there is no rigorous research, to draw conclusions of continuous high temperature or caused serious drought of three gorges project, is certainly untenable. However, to determine if there is no causal relationship between two things "not", "no relation", "no connection" is more difficult, because it would need to exclude all possibility of causal mechanism. So, if no long-term climate effects on three gorges project, rigorous, system tracking, to draw a certain climate phenomenon has nothing to do with the three gorges project of the conclusions, but there is nothing scientific about. px90 The author and is not intended to explore the relationship between drought and middle and lower reaches of the Yangtze River Three Gorges project. I just want to say that, in the case of no scientific basis, some of expert should not be free to make light of jump statements. Slightly scientific knowledge will know, weather and climate change is a very complex system, to identify the key factors which have huge difficulties. The butterfly effect is a kind of extreme situation. Then, the construction of a large water such as the three gorges project, affect or change the local weather and climate of the Yangtze River basin environment? the answer should be Yes. However, positive and negative effects of what is to what extent? there is no long-term, rigorous, systematic tracking research is difficult to judge. But certainly, it is, the earlier research better, more late study the more adverse. So, experts say "independent", you will have a misleading on the scientific research work. cheap p90x Such a situation has not only occurred in the three gorges project on this thing. Some experts express arbitrariness, lack of sufficient basis for the very strong views, or lack of rigorous academic attitude, lack of scientific spirit, either with the positions and roles with the impact of a strong personal intention. Light absurdism of the serious consequences of the theory of some experts, small mislead public opinion, misleading national policies. Light jump to some experts, is making his remarks loss component. Galileo does not change because of religious persecution, MA yinchu's not changed his position because of political pressure both at different times and the nation, but also underlines serious attitude and noble personality and the spirit of science. Society needs is the expert.