Capítulo 2. Hidrografía y circulación
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AuthorsGonzález-Pola, C. (César); Lavín, A. (Alicia); Díaz-del-Río-Pérez, G. (Guillermo); Cabanas-López, J.M. (José Manuel); Ruiz-Villarreal, M. (Manuel); Somavilla, R.; Rodríguez, C.; González-Nuevo, G. (Gonzalo); Nogueira, E. (Enrique)
Editor/sInstituto Español de Oceanografía
Regional hydrography and dynamics at the Galicia-Cantabrian region are described, as well as its interannual variability in recent decades, from the Spanish Institute of Oceanography systematic monitoring programs and other available data sources. It is found a robust warming trend, within rates above 0.20°C decade–1 , both in surface ocean waters from the detailed records of satellite and at intermediate depths from the hydrographical series (down to 1000 m, which is the depth limit of the intensive sampling carried out from mid 90’s). These trends are related to recurrent warm periods in the local atmospheric forcing as well as in the formation areas of intermediate waters that reach the region. The structure of the water column, characterized by the depth of the mixed layer and surface stratification, shows a strong interannual variability, standing out the development of an anomalously deep mixed layer in 2005 that notably affected the properties of intermediate ...