Abstract:
Based on the meteorological data of 48 ground stations from 1951 to 2005 in the eastern Inner Mongolia, the change trends and spatial distribution characteristics of air temperature, precipitation, wind speed and sunshine duration were analyzed by trend analysis method. The results show that air temperature in the eastern Inner Mongolia increases in recent 50 years, and the increase of extreme minimum temperature is higher than that of extreme maximum temperature. Precipitation increases obviously in the eastern Hulunbeier and southwestern Chifeng, while it decreases obviously in Tongliao. The mean wind speed decreases, except Tongliao. The change trends of sunshine duration and precipitation is contrary.