Blar i NIVA Open Access Archive på forfatter "Poste, Amanda"
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Terrestrial Inputs Drive Seasonality in Organic Matter and Nutrient Biogeochemistry in a High Arctic Fjord System (Isfjorden, Svalbard)
Mcgovern, Maeve; Pavlov, Alexey K.; Deininger, Anne; Granskog, Mats; Leu, Eva Susanne; Søreide, Janne; Poste, Amanda (Peer reviewed; Journal article, 2020)Climate-change driven increases in temperature and precipitation are leading to increased discharge of freshwater and terrestrial material to Arctic coastal ecosystems. These inputs bring sediments, nutrients and organic ... -
Terrestrial inputs govern spatial distribution of polychlorinated biphenyls (PCBs) and hexachlorobenzene (HCB) in an Arctic fjord system (Isfjorden, Svalbard)
Johansen, Sverre; Poste, Amanda; Allan, Ian; Evenset, Anita; Carlsson, Pernilla Marianne (Peer reviewed; Journal article, 2021)Considerable amounts of previously deposited persistent organic pollutants (POPs) are stored in the Arctic cryosphere. Transport of freshwater and terrestrial material to the Arctic Ocean is increasing due to ongoing climate ... -
Terrestrial Inputs Shape Coastal Bacterial and Archaeal Communities in a High Arctic Fjord (Isfjorden, Svalbard)
Delpech, Lisa-Marie; Vonnahme, Tobias; Mcgovern, Maeve; Gradinger, Rolf; Præbel, Kim; Poste, Amanda (Peer reviewed; Journal article, 2021)The Arctic is experiencing dramatic changes including increases in precipitation, glacial melt, and permafrost thaw, resulting in increasing freshwater runoff to coastal waters. During the melt season, terrestrial runoff ... -
Terrestrial organic matter increases zooplankton methylmercury accumulation in a brown-water boreal lake
Poste, Amanda; Hoel, Cathrine Skaar; Andersen, Tom; Arts, Michael T.; Færøvig, Per-Johan; Borgå, Katrine (Journal article; Peer reviewed, 2019)Increases in terrestrial organic matter (tOM) transport from catchments to boreal lakes can affect methylmercury (MeHg) accumulation in aquatic biota both directly by increasing concentrations of aqueous MeHg, and indirectly ... -
Using in situ sensor-based monitoring to study impacts of climate change on river water quality and element fluxes
Poste, Amanda; Jackson-Blake, Leah Amber; Mcgovern, Maeve; Kaste, Øyvind; Sample, James Edward; Skogan, Odd Arne Segtnan; Austnes, Kari; Brandt, Uta; Høgberget, Rolf (NIVA-rapport;7812-2023, Research report, 2022)The report contains an analysis of high-frequency sensor data from two rivers included in the Norwegian River Monitoring Programme; Storelva in southern Norway and Målselva in northern Norway. The main aim of the report ...