第1个回答 2009-10-16
According to a Rongcheng 1976-2008 year material, it has analyzed meteorological element temperature, ground temperature, frozen earth, precipitation with the climate statistics method changes. The result indicated: The Rongcheng annual mean temperature rises year by year, at the beginning of the 21st century's annual mean temperature 33 years ago rise near 1.2℃; Each surface temperature year mean value 33 years ago also increase, the frozen earth level flinches the shoal; 33 year next year precipitation slightly will have equally year by year increases.
第2个回答 2009-10-16
According to the 1976-2008 lei, analyzed with climate statistical methods, temperature, precipitation, frozen ground as the meteorological elements. Results: the average temperature rising lei at the beginning of the 21st century, the annual average temperature rising 33 years ago near 120 degrees Celsius, Each layer is average surface temperature in 33 years ago has also increased, permafrost back light, 33 years next year average rainfall increased slightly.