Greenhouse gas and nutrient data measured across estuaries in the UK, 2017-2018 - Pickard, A.E.; Brown, I.; Burden, A.; Callaghan, N.; Evans, C.D.; Kitidis, V.; Mayor, D.; Olszewska, J.; Pereira, G.; Spears, B.M.; Williamson, J.; Woodward, M.; et al. (NERC EDS Environmental Information Data Centre, 2022)