Blar i NIVA Open Access Archive på forfatter "Haaland, Ståle Leif"

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    • Browning of Scottish surface water sources exposed to climate change 

      Haaland, Ståle Leif; Eikebrokk, Bjørnar; Riise, Gunnhild; Vogt, Rolf David (Peer reviewed; Journal article, 2023)
      Levels of dissolved natural organic matter (DNOM) are increasing in our boreal watercourses. This is manifested by an apparent increase in its yellow to brown colour of the water, i.e., browning. Sound predictions of future ...

    • Distinguishing between Sources of Natural Dissolved Organic Matter (DOM) Based on Its Characteristics 

      Vogt, Rolf David; Porcal, Petr; Hejzlar, Josef; Paule‐Mercado, Ma. Cristina; Haaland, Ståle Leif; Gundersen, Cathrine Brecke; Orderud, Geir Inge; Eikebrokk, Bjørnar (Peer reviewed; Journal article, 2023)
      Increasing levels of dissolved organic matter (DOM) in watercourses in the northern hemisphere are mainly due to reduced acid rain, climate change, and changes in agricultural practices. However, their impacts vary in time ...

    • Metoder for beregning av vannets syrenøytraliserende kapasitet (ANC) for klassifisering av forsuringstilstand 

      Vogt, Rolf David; Garmo, Øyvind Aaberg; Schartau, Ann Kristin; Haaland, Ståle Leif (Journal article, 2023)
      ANC er nøkkelparameteren for å vurdere endringer i kjemisk vannkvalitet med endringer i sur nedbør, klima og arealbruk. Imidlertid har parameteren lav presisjon, siden den er basert på ladningsbalansen mellom mange målte ...

    • The technological development of drinking water treatment plants in the Czech Republic 

      Orderud, Geir Inge; Porcal, Petr; Eikebrokk, Bjørnar; Sláma, Jiří; Vogt, Rolf David; Hejzlar, Josef; Haaland, Ståle Leif (Peer reviewed; Journal article, 2023)
      Several actors have an impact on the quality of drinking water, but ultimately drinking water treatment plants (DWTPs) play a decisive role in ensuring that water quality complies with public regulations. Several developing ...