TABLE 2.

Parameters, abbreviations, units of measurement and origin with respective references

Environmental parameter	Abbreviation	Sample unit	Program	Reference
Temperature	T	°C	SOMLIT	https://www.somlit.fr/parametres‐et‐protocoles/
Salinity	S	–	SOMLIT	https://www.somlit.fr/parametres‐et‐protocoles/
pH	pH	–	Calculated	Gac et al. (2020)
Air‐sea CO₂ flux	FCO₂	mmol C m−2 d−1	Calculated	Gac et al. (2020)
Oxygen	O	ml/l	SOMLIT	https://www.somlit.fr/parametres‐et‐protocoles/
Ammonium	$\mathsf{NH}₄{}^{+}$	μM	SOMLIT	https://www.somlit.fr/parametres‐et‐protocoles/
Nitrite	${\mathsf{NO}}^{-}₂$	μM	SOMLIT	https://www.somlit.fr/parametres‐et‐protocoles/
Nitrate	${\mathsf{NO}}^{-}₃$	μM	SOMLIT	https://www.somlit.fr/parametres‐et‐protocoles/
Dissolved silicates	SiOH₄	μM	SOMLIT	https://www.somlit.fr/parametres‐et‐protocoles/
Phosphate	$\mathsf{PO}₄{}^{\mathsf{3}-}$	μM	SOMLIT	https://www.somlit.fr/parametres‐et‐protocoles/
Particulate organic carbon	POC	μg/l	SOMLIT	https://www.somlit.fr/parametres‐et‐protocoles/
Particulate organic nitrate	PON	μg/l	SOMLIT	https://www.somlit.fr/parametres‐et‐protocoles/
Suspended matter	MES	mg/l	SOMLIT	https://www.somlit.fr/parametres‐et‐protocoles/
Chlorophyll‐a	Chl‐a	μg/l	SOMLIT	https://www.somlit.fr/parametres‐et‐protocoles/
NOP Isotopes ratio	Delta 15 N	‰	SOMLIT	https://www.somlit.fr/parametres‐et‐protocoles/
Photosinthetic available radiation	PAR	E m−2 d−1	NASA	https://modis.gsfc.nasa.gov/data/dataprod/par.php
Coefficient of light attenuation	Kd_490	m−1	NASA	https://modis.gsfc.nasa.gov/data/dataprod/kd_490.php
Tide amplitude	–	m	SHOM	https://data.shom.fr/
Rainfall height	–	mm	Meteo France	https://meteofrance.com/
Wind speed	–	m/s	Meteo France	https://meteofrance.com/
North Atlantic Oscillation Index	NAO	–	NOAA	https://www.ncdc.noaa.gov/teleconnections/nao/