Blar i NIBIO Brage på forfatter "Fölster, Jens"
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Comparing in situ turbidity sensor measurements as a proxy for suspended sediments in North-Western European streams
Skarbøvik, Eva; Gyritia Madsen van't Veen, Sofie; Lannergård, Emma E.; Wenng, Hannah Tabea; Stutter, Marc; Bieroza, Magdalena; Atcheson, Kevin; Jordan, Philip; Fölster, Jens; Mellander, Per-Erik; Kronvang, Brian; Marttila, Hannu; Kaste, Øyvind; Lepistö, Ahti; Kämäri, Maria (Peer reviewed; Journal article, 2023-02-24)Climate change in combination with land use alterations may lead to significant changes in soil erosion and sediment fluxes in streams. Optical turbidity sensors can monitor with high frequency and can be used as a proxy ... -
Comparing nutrient reference concentrations in Nordic countries with focus on lowland rivers
Skarbøvik, Eva; Aroviita, Jukka; Fölster, Jens; Lyche Solheim, Anne; Kyllmar, Katarina; Rankinen, Katri; Kronvang, Brian (Peer reviewed; Journal article, 2020-09-15)Reference conditions of water bodies are defined as the natural or minimal anthropogenically disturbed state. We compared the methods for determining total phosphorus and total nitrogen concentrations in rivers in Finland, ... -
Nitrogen and phosphorus losses in Nordic and Baltic agricultural monitoring catchments – Spatial and temporal variations in relation to natural conditions and mitigation programmes
Kyllmar, Katarina; Bechmann, Marianne; Blicher-Mathiesen, Gitte; Fischer, Franziska; Fölster, Jens; Iital, Arvo; Lagzdiņš, Ainis; Povilaitis, Arvydas; Rankinen, Katri (Peer reviewed; Journal article, 2023-06-09)Nitrogen (N) and phosphorus (P) losses via agricultural drainage water have negative impacts on receiving water bodies and large-scale programmes to reduce nutrient losses have been established in the Nordic and Baltic ...