| From October 2022 to July 2023, Uwe Schneidewind, Stefan Krause and Lee Haverson sampled snow, rivers and meltwater in the Krycklan catchment for microplastics. The Krycklan catchment is a boreal catchment in Northern Sweden near the city of Umea. It is one of the best monitored catchments in Europe with previous research looking into catchment hydrology as well as climate and ecosystem changes over the last few decades. With the help of local colleagues, river water and sediment samples were collected at 13 different gauging stations throughout the catchment between October 2022 and July 2023. Additionally, snowmelt water was collected at three lysimeter stations located on open land as well as different tree cover. The area surrounding the catchment was also sampled for microplastics including the marina in Umea as well as different snow deposits throughout the city. In total, five sampling campaigns were conducted to establish conditions before winter (October 2022), during snow season (March 2023), during snowmelt season (April-May 2023) and during summer conditions (July 2023). Samples have been prepared for transport and on arrival in Birmingham will be analysed in the lab for a variety of microplastics using fluorescent microscopy, Raman spectroscopy and PyGCMS. Fieldwork was funded by the Institute for Global Innovation (IGI-IAS ID 6078) at the University of Birmingham. |
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