Figure 1From: Water-air CO2 fluxes in the Tagus estuary plume (Portugal) during two distinct winter episodes Location of the study site. Location of the sampling stations in the mouth of the Tagus estuary (SW Portugal) and adjacent coastal area. The position of the Guia meteorological station (38°41’27” N, 9°27’34” W) is marked with a star.Back to article page