Ezra Kitson¹, Anna Belcher¹, Chris Evans², Robert G Spencer³, Suzanne Tank⁴, Alexander I Shiklomanov⁵ and Bryan M. M. Spears¹, (1)UK Centre for Ecology & Hydrology, Penicuik, United Kingdom, (2)UK Centre for Ecology & Hydrology, Bangor, United Kingdom, (3)Florida State University, Department of Earth, Ocean & Atmospheric Science, Tallahassee, FL, United States, (4)University of Alberta, Department of Biological Sciences, Edmonton, AB, Canada, (5)University of New Hampshire, Earth Systems Research Center, Durham, United States