The National Centre for Atmospheric Research(NCAR) coupled climate model of version 1.4(CSM1.4) is integrated to investigate the response of Earth’s surface temperature to a range of external climate forcings.Evidence suggests that although the magnitude of local warming seems to show large differences,the overall pattern of temperature response is seen to be similar in the four cases with larger warming over the land(high latitudes) than the ocean(low latitudes),which is particularly pronounced for higher forcing cases and exhibits to some extent the features seen in many other global warming experiments.Also shown in the study is that the nature of the climate response has changed in some manner between solar constant increases of 2.5,10,and 15% and those of(25%),namely the temperature response is linearly related to the smaller forcings but nonlinearly to the larger ones.