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Delayed Time Processing

Par SSS Dernière modification 18/07/2018 12:15


Delayed time data are processed through a quality control procedure before they can be used for research purposes. We used for that a dedicated software called TSGQC that we developed under Matlab©, which is freely available on the internet (

Details about delayed time processing can be found in: Alory G. et al., 2015. The French contribution to the Voluntary Observing Ships network of Sea Surface Salinity. Deep Sea Research, 105, 1-18, doi:10.1016/j.DSR.2015.08.005.

The distribution of quality flags differs for each ship. Overall the ratio of Good and Probably Good data relative to the total amount of SSS underway data collected in delayed time is around 87% in 2016.

The distribution of corrections applied to TSG data shows a distinctive peak around zero and is largely skewed towards positive values, reflecting correction of negative drift or shifts of SSS measurements.

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