• Endogenous soiling rate determination and detection of cleaning events in utility scale PV plants 

      Skomedal, Åsmund; Haug, Halvard; Marstein, Erik Stensrud (Peer reviewed; Journal article, 2019)
      As the deployment rate of PV power plants continuesto soar, the need for robust, scalable methods for performanceanalytics increases. In this paper, we demonstrate the usefulness ofone approach for quantifying soiling rates ...
    • Environmental contaminants in freshwater food webs, 2021 

      Jartun, Morten; Økelsrud, Asle; Bæk, Kine; Ruus, Anders; Rundberget, Thomas; Vogelsang, Christian; Jenssen, Marthe Torunn Solhaug; Lund, Espen; Grung, Merete; Øxnevad, Sigurd; Enge, Ellen Katrin; Schlabach, Martin; Hanssen, Linda; Johansen, Ingar (NIVA-rapport;7794-2022, Research report, 2022)
      This report presents monitoring data from freshwater food webs and abiotic samples from Lake Mjøsa and Femunden within the Milfersk programme. Studies and monitoring of legacy and emerging contaminants have been carried ...
    • Models for Calcium Carbonate Precipitation in the Near-Well Zone by Degassing of CO2 

      Wangen, Magnus; Sagen, Jan; Bjørnstad, Tor; Johansen, Harald; Souche, Alban Jean-Rene (Journal article; Peer reviewed, 2016)
      Calcium carbonate scale formation is a well known problem for water producing wells. Although there are several types of scale forming processes, we investigate the case of calcium carbonate precipitation when the degassing ...
    • Monitoring of environmental contaminants in freshwater ecosystems 2018 – Occurrence and biomagnification 

      Jartun, Morten; Økelsrud, Asle; Rundberget, Thomas; Enge, Ellen Katrin; Rostkowski, Pawel; Warner, Nicholas Alexander; Harju, Mikael; Johansen, Ingar (NIVA-rapport, Research report, 2019)
      This report studies the distribution and fate of contaminants such as mercury (Hg), cyclic volatile methylated siloxanes (cVMS: D4, D5, D6), brominated flame retardants (BFR, PBDEs), alkylphenols, organic phosphorous flame ...
    • Monitoring of environmental contaminants in freshwater ecosystems 2019 – Occurrence and biomagnification 

      Jartun, Morten; Økelsrud, Asle; Rundberget, Thomas; Bæk, Kine; Enge, Ellen Katrin; Halse, Anne Karine; Götsch, Arntraut; Harju, Mikael; Johansen, Ingar (NIVA-rapport, Research report, 2020)
      This program, «Monitoring of environmental contaminants in freshwater ecosystems and single species in large Norwegian lakes”, has covered sampling and determination of environmental contaminants by analyses of organisms ...
    • Monitoring of environmental contaminants in freshwater ecosystems 2020 – Occurrence and biomagnification 

      Jartun, Morten; Økelsrud, Asle; Kildahl, Henriette; Øxnevad, Sigurd; Rundberget, Thomas; Bæk, Kine; Enge, Ellen Katrin; Halse, Anne Karine; Harju, Mikael; Johansen, Ingar (NIVA-rapport;, Research report, 2021)
      This program, «Monitoring of environmental contaminants in freshwater ecosystems and single species in large Norwegian lakes”, has covered sampling and determination of environmental contaminants by analyses of organisms ...