Comparative Analysis of Synchronously Observed Temperature Measurements before and after Station Move
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Abstract:
By analyzing the synchronously observed temperature data (January, April, July 2008) from the new and old meteorological observation stations in Dong’e, it is found out that temperature in the old station was higher than that in the new station because of urban heat island effect, which was more obvious at night than in the daytime, more obvious in winter， spring， and autumn than in summer. The urban heat island effect decreased minimum temperature and so reduced the diurnal temperature range at the old station, which thus increased the statistical temperature. The analysis shows that temperature in the old station had a positive correlation with that in the new station; meanwhile there was obvious difference between temperatures in the old and new stations. As a result, there is discontinuity in the air temperature data from the old and new stations. The old temperature measurements cannot be used along with the new to represent the temperature of Dong’e without appropriate correction.
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Supported by:Beijing E-Tiller Technology Development Co., Ltd.
Supported by:Beijing E-Tiller Technology Development Co., Ltd.