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永利网网站:Falling hero breaks sceptics' hearts

永利网网站:Falling hero breaks sceptics' hearts

作者:公冶费  时间:2019-03-08 09:06:05  人气:

A MINORITY of scientists still insist that global warming is a myth. But their case took a potentially fatal knock in August with the discovery of a systematic error in their main source of data. Frank Wentz of Remote Sensing Systems in Santa Rosa, California, reported that satellite-based estimates of the temperature of the lower atmosphere, which suggested a marginal cooling in the past 20 years, were flawed. Wentz discovered that nobody had allowed for a systematic bias in the data introduced by the fact that the instruments in question are falling to Earth at a rate of about one kilometre a year. More on these topics: