Characteristics of Climatic Warming Trend in Northernmost China
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Abstract:
On the basis of the records of air temperature from the northernmost meteorological station from 1963 to 2005, the characteristics of temperature change are analyzed by calculating climate trend coefficients and climate tendency. It is showed that temperature increased markedly and steadily in the last 43 years, with the annual mean temperature increased by 0. 46 ℃ per 10 years. Temperature in all months and in all seasons increased at different degrees, with the mean temperature in winter being the most sharply (0.69 ℃ per 10 years), among which the increase in February was the greatest, being 1.02 ℃ per 10 years. The increase of mean air temperature in autumn was only 0.2146 ℃ per 10 years, which was the smallest of the year. The variation tendencies of annual mean minimum temperature (0.5946 ℃ per 10 years) and extreme minimum temperature (0.7446 ℃ per 10 years) were greater than those of mean maximum temperature (0.3746 ℃ per 10 years) and extreme maximum temperature (0.2746 ℃ per 10 years). Further analysis suggests that the interdecadal warming trend of minimum temperature is more evident than that of maximum temperature.
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Supported by:Beijing E-Tiller Technology Development Co., Ltd.
Supported by:Beijing E-Tiller Technology Development Co., Ltd.