利用中国90个气象站年平均地面日最高、 日最低温度和地面太阳辐射数据， 分析了在全球变暖背景下全球“变暗”和“变亮”时期中国地面温度的变化特征及其与到达地面的太阳辐射(SSR)变化之间的联系。结果表明， 在全球“变暗”时期， 年平均地面日最高和日最低温度的差别较大， 日最高温度先下降后缓慢上升， 日最低温度先平缓变化后快速上升， 日最低温度的上升速率始终大于日最高温度， 且两者变化速率之差>0.3 ℃·(10 a)-1。从空间分布上看， 年平均日最高和日最低温度都表现出明显的南北差异， 中高纬度地区（35oN以北）增温（或保温）的趋势更强， 这与该地区SSR下降幅度相对较小一致。在全球“变亮”时期， 年平均地面日最低温度继续上升， 相对于“变暗”时期升温速率变化不大； 而年平均日最高温度上升速度明显加快， 此时年平均日最高和日最低温度的升温速率趋于一致。年平均日最高温度仍有明显的地域差异， 中低纬度（35°N以南）地区的升温速率大于中高纬度， 这与中低纬度SSR上升而中高纬度SSR下降有较好的对应关系； 年平均日最低温度没有表现出这种南北差异， 与SSR变化也没有很好的对应关系。尽管20世纪90年代后SSR开始上升， 但目前SSR仍未恢复到“变暗”初期(60年代)的水平， 而当前地面日最高和日最低温度已远高于“变暗”初期。
Based on the surface solar radiation, surface daily maximumand minimumtemperature data of 90 meteorological observation stations in China, the change features of surface temperature during global‘dimming’ and ‘brightening’ periods were analysed. The results showthat a steady decrease in daily maximum temperature is in the first 10 years of dimming period, it reached the lowest value in 1972 and then began to rise at a low growth rate by the end of 1990s. As the SSR trend turned off (about 1990), the daily maximum temperature rise much faster than dimming period (1960-1990). On the other side, the daily minimum temperature is upbeat over the last 50 years and its growth rate is much higher than the daily maximum temperature especially during the ‘dimming’ period (1960-1990). It is found that the higher latitude region (the north of 35°N) appeares warmer than lower latitude region(the south of 35°N) while SSR is declining. During the brightening period, the daily maximum temperature still shows good correspondence between SSR. Although the SSR has been increasing since 1990s, it is still lower than that in 1960s (the first ten years of global ‘dimming’), while the daily maximum and minimum temperature are both much higher than that in 1960s.
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