河南省烟区逐旬平均气温时空分布研究

Study on the spatial and temporal distribution of ten-day average temperature in Henan Province tobacco-growing area

依据河南省54个气象站1971—2005年的平均气温数据,采用高程气温修正与空间插值相结合的方法,研究了河南省烟区4—9月份逐旬气温的空间分布.结果表明,4—9月份各旬平均气温均与高程有负的显著相关性,高程与气温的回归系数各期不等,介于-0.003 662和-0.007 490之间.各旬平均气温的分布纬向差异明显,呈东高西低的趋势.

With DEM and spatial interpolation, the spatial distribution of ten-day average temperature from April to September has been analyzed based on the average air temperature data of 54 meteorological stations from 1971 to 2005. The results show there was negative correlation between average temperature and elevation. The regression coefficient of temperature and elevation is not constant in different period and is between -0. 003 662 to -0. 007 490. There are obvious differences in the spatial distribution of ten-day average temperature from the west to the east. The tendency is high in the east and low in the west.