论文部分内容阅读
揭示了50年代以来热带三大洋海表温度(SST)长期变化的两个基本构成(线性增温及ElNino- LaNina振荡),并比较了它们在三大洋中的典型程度。在此基础上重点分析了热带太平洋西、中、东部SST长期变化的差异,指出热带西太平洋SST长期变化中ElNino- La Nina振荡相对较弱,线性增温趋势被年代际强弱振荡代替
Reveals two basic components (linear warming and ElNino-LaNina oscillations) of long-term SST changes in the tropical three oceans since the 1950s and compares their typical extent in the three oceans. On this basis, the differences of long-term SST changes in the western, central and eastern parts of the tropical Pacific are analyzed emphatically. It is pointed out that El Nino-La Nina oscillations in the long-term SST variations of the tropical western Pacific are relatively weak and the linear warming trend is replaced by decadal oscillation