First automatic pH measurements in the bottom layer of the Ria de Vigo (NW Spain)

The project A.RIOS lists among its goals to establish an observation network of oceanic acidification in the Rías and the Galician shelf (NW Iberia). Included in that observation network, an autonomous instrument for spectrophotometric measurements of seawater pH was deployed at the Ría de Vigo during four periods between November 2017 and May 2019. We present here the pH data for those deployments along with temperature, salinity, and pressure data.

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