EPHYSLAB, Environmental PHYsics LABoratory, Facultad de Ciencias, Universidad de Vigo, Ourense, Spain.
CIBIO, Centro de Investigação em Biodiversidade e Recursos Genéticos, Universidade do Porto, Campus Agrário de Vairão, 4485-661 Vairão, Portugal.
Sci Total Environ. 2018 Oct 15;639:1501-1511. doi: 10.1016/j.scitotenv.2018.05.273. Epub 2018 May 29.
Long-term sea surface temperature (SST) warming trends are far from being homogeneous, especially when coastal and ocean locations are compared. Using data from NOAA's AVHRR OISST, we have analyzed sea surface temperature trends over the period 1982-2015 at around 3500 worldwide coastal points and their oceanic counterparts with a spatial resolution of 0.25 arc-degrees. Significant warming was observed at most locations although with important differences between oceanic and coastal points. This is especially patent for upwelling regions, where 92% of the coastal locations showed lower warming trends than at neighboring ocean locations. This result strongly suggests that upwelling has the potential to buffer the effects of global warming nearshore, with wide oceanographic, climatic, and biogeographic implications.
长期的海表温度（SST）变暖趋势远非均匀的，特别是在沿海和海洋地区进行比较时更是如此。利用来自美国国家海洋和大气管理局（NOAA）的极轨卫星高级甚高分辨率辐射计（AVHRR）海表温度数据集（OISST），我们分析了 1982-2015 年期间全球约 3500 个沿海点及其海洋对应点的海表温度变化趋势，空间分辨率为 0.25 度。尽管海洋和沿海地区之间存在重要差异，但在大多数地点都观察到了显著的变暖。这在上升流区域尤其明显，在这些区域，92%的沿海地点的变暖趋势低于相邻海洋地区。这一结果强烈表明，上升流有可能在近岸地区缓冲全球变暖的影响，这具有广泛的海洋学、气候和生物地理学意义。
