大气科学Issue(5)：1011-1024,14.DOI:10.3878/j.issn.1006-9895.1501.14291
中国最高、最低温度及日较差在海拔高度上变化的初步分析
Relationship between Altitude and Variation Characteristics of the Maximum Temperature, Minimum Temperature, and Diurnal Temperature Range in China
摘要
Abstract
Based on daily maximum and minimum temperature data from 740 homogenized surface meteorological stations, the present study investigates the regional characteristics of the temperature trend and the dependence of maximum and minimum temperature and diurnal temperature range changes on the altitude during the period 1963–2012. It is found that the magnitude of minimum temperature increase is larger than that of the maximum temperature increase. The significant warming areas are located at high altitude, all of which increase remarkably in size during the study period. The maximum and minimum temperature and diurnal temperature range trends increase with altitude, except in spring. The correlation coefficients between the maximum temperature trend and altitude are the highest. At the same altitude, the amplitudes of maximum and minimum temperature show inconsistency: They exhibit increasing trends in the 1990s, with significant change at low altitude; they change minimally in the 1980s; and at high altitudes (above 2000 m), the magnitudes of their changes are weak before the 1990s but stronger in the last 10 years of the study period. The seasonal variability of the diurnal temperature range is large over 2000 m, decreasing in summer but increasing in winter. Before the 1990s, there is no significant variation between maximum and minimum temperature and altitude. However, their trends almost all decrease and then increase with altitude in the last 20 years. Additionally, the response to climate in highland areas is more sensitive than that in lowland areas.关键词
最高温度/最低温度/日较差/海拔高度/变化趋势Key words
Maximum temperature/Minimum temperature/Diurnal temperature range/Altitude/Temperature trend分类
天文与地球科学引用本文复制引用
董丹宏,黄刚..中国最高、最低温度及日较差在海拔高度上变化的初步分析[J].大气科学,2015,(5):1011-1024,14.基金项目
国家重点基础研究发展计划项目2011CB309704，全球变化研究国家重大科学研究计划项目2012CB955604，国家自然科学基金项目41425019、41275083、91337105，高原大气与环境四川省重点实验室开放课题PAEL-2014-K2 （）
