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Laboratoire d’Etudes en Géophysique et Océanographie Spatiales

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by Webmaster Legos last modified Dec 11, 2019 09:47 AM

SYSCO2: COmplex and Coupled SYStem

The activities of the SYSCO2 team are dedicated to the study of the coastal upwelling and the Oxygen Minimum Zone (OMZ) dynamics, mainly focused on the eastern Pacific (Peru / Chile, Mexico), where the OMZ is the largest. The approach is based on coupled physical-biogeochemical modeling, satellite data analysis, laboratory experimentation and coordination of oceanographic campaigns, and SYSCO2 is also very active in the development of biogeochemical sensors with original techniques. An inter-comparison strategy is adopted through the participation to international networks/programs with focus on the Eastern Boundary Upwelling Systems (EBUS; in particular Benguela/Angola). This multidisciplinary approach supports an integrated vision of the scientific issues and allows to align the basic research with the societal demand.

In recent years, SYSCO2 has made several advances in: 1) coupled regional ocean-atmosphere and ocean-physics-biogeochemistry modeling in including the first realistic regional simulation of the OMZ off Peru and Chile; 2) the analysis of satellite data to infer high resolution fields of oceanographic properties from low resolution satellite data using innovative techniques; 3) understanding the dynamics of the OMZ, in particular through the coordination of an international oceanographic campaign off Peru and the deployment of the first long-term high frequency mooring off Peru; 4) the development of biogeochemical sensors for nutrients measurements; 5) understanding the equatorial forcing on the Southern Hemisphere's EBUS variability; and (6) in understanding the dynamics of extreme events related to the El Niño phenomenon and their impact on the Eastern Pacific OMZ.

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