Hartman, SE, Bett, BJ, Durden, JM, Henson, SA, Iversen, M, Jeffreys, RM, Horton, T, Lampitt, R and Gates, AR (2021) Enduring science: Three decades of observing the Northeast Atlantic from the Porcupine Abyssal Plain Sustained Observatory (PAP-SO). Progress in Oceanography, 191. 102508. doi:10.1016/j.pocean.2020.102508