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Meridional heat transport variability induced by mesoscale processes in the subpolar North Atlantic.
Zhao, Jian; Bower, Amy; Yang, Jiayan; Lin, Xiaopei; Penny Holliday, N.
Afiliación
  • Zhao J; Woods Hole Oceanographic Institution, Woods Hole, MA, 02543, USA. jzhao@whoi.edu.
  • Bower A; Woods Hole Oceanographic Institution, Woods Hole, MA, 02543, USA.
  • Yang J; Woods Hole Oceanographic Institution, Woods Hole, MA, 02543, USA.
  • Lin X; Physical Oceanography Laboratory/CIMST, Ocean University of China and Qingdao National Laboratory for Marine Science and Technology, Qingdao, 266100, China. linxiaop@ouc.edu.cn.
  • Penny Holliday N; National Oceanography Centre, European Way, Southampton, SO14 3ZH, UK.
Nat Commun ; 9(1): 1124, 2018 03 19.
Article en En | MEDLINE | ID: mdl-29555904
The ocean's role in global climate change largely depends on its heat transport. Therefore, understanding the oceanic meridional heat transport (MHT) variability is a fundamental issue. Prevailing observational and modeling evidence suggests that MHT variability is primarily determined by the large-scale ocean circulation. Here, using new in situ observations in the eastern subpolar North Atlantic Ocean and an eddy-resolving numerical model, we show that energetic mesoscale eddies with horizontal scales of about 10-100 km profoundly modulate MHT variability on time scales from intra-seasonal to interannual. Our results reveal that the velocity changes due to mesoscale processes produce substantial variability for the MHT regionally (within sub-basins) and the subpolar North Atlantic as a whole. The findings have important implications for understanding the mechanisms for poleward heat transport variability in the subpolar North Atlantic Ocean, a key region for heat and carbon sequestration, ice-ocean interaction, and biological productivity.
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Tipo de estudio: Prognostic_studies Idioma: En Revista: Nat Commun Asunto de la revista: BIOLOGIA / CIENCIA Año: 2018 Tipo del documento: Article País de afiliación: Estados Unidos Pais de publicación: Reino Unido
Texto completo
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Imprimir
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Tipo de estudio: Prognostic_studies Idioma: En Revista: Nat Commun Asunto de la revista: BIOLOGIA / CIENCIA Año: 2018 Tipo del documento: Article País de afiliación: Estados Unidos Pais de publicación: Reino Unido