Charles P Lavin¹, Toms Buls², Kristina Kvile¹, Hege Gundersen¹, Julia Mañez³, Iris Eline Hendriks⁴, Øyvind Tangen Ødegaard¹, Núria Marbà⁵, Robert Nøddebo Poulsen² and Kasper Hancke¹, (1)Norwegian Institute for Water Research, Oslo, Norway, (2)SpectroFly ApS, Faxe, Denmark, (3)IMEDEA-CSIC, Global Change, Esporles, Spain, (4)Mediterranean Institute for Advanced Studies, Department of Oceanography and Global Change, Esporles, Spain, (5)IMEDEA (CSIC-UIB) Institut Mediterrani d’Estudis Avançats, Department of Global Change Research, Esporles, Spain