Blar i NIVA Open Access Archive på forfatter "Higgins, Scott N."

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    • Cleaner air reveals growing influence of climate on dissolved organic carbon trends in northern headwaters 

      de Wit, Heleen; Stoddard, John L.; Monteith, Donald T.; Sample, James E.; Austnes, Kari; Couture, Suzanne; Fölster, Jens; Higgins, Scott N.; Houle, Daniel; Hruška, Jakub; Krám, Pavel; Kopáček, Jiří; Paterson, Andrew M.; Valinia, Salar; Van Dam, Herman; Vuorenmaa, Jussi; Evans, Chris D. (Peer reviewed; Journal article, 2021)
      Surface water browning, the result of increasing concentrations of dissolved organic matter (DOM), has been widespread in northern ecosystems in recent decades. Here, we assess a database of 426 undisturbed headwater lakes ...

    • Trends and patterns in surface water chemistry in Europe and North America between 1990 and 2020, with a focus on calcium 

      Vogt, Rolf David; Agnieszka, Kolada; Arle, Jens; Austnes, Kari; Van Dam, Herman; Futter, Martyn; Fölster, Jens; Gundersen, Cathrine Brecke; Higgins, Scott N.; Houle, Daniel; Hruska, Jakub; Monteith, Don; Paterson, Andrew; Rogora, Michela; Sample, James Edward; Stoddard, John; Steingruber, Sandra; Ulanczyk, Rafak; Vuorenmaa, Jussi; de Wit, Heleen (NIVA-rapport;7931-2024, Research report, 2024)
      The report presents trends in major anions and cations, pH, TOC and bicarbonate in surface waters in Europe and North America from 1990 to 2020. Special attention is given to trends in calcium, which showed some unexpected ...

    • Widespread diminishing anthropogenic effects on calcium in freshwaters 

      Weyhenmeyer, Gesa A; Hartmann, Jens; Hessen, Dag Olav; Kopáček, Jiří; Hejzlar, Josef; Jacquet, Stéphan; Hamilton, Stephen K.; Verburg, Piet; Leach, Taylor H.; Schmid, Martin; Flaim, Giovanna; Nõges, Tiina; Nõges, Peeter; Wentzky, Valerie C.; Rogora, Michela; Rusak, James A.; Kosten, Sarian; Paterson, Andrew M.; Teubner, Katrin; Higgins, Scott N.; Lawrence, Gregory; Kangur, Külli; Kokorite, Ilga; Cerasino, Leonardo; Funk, Clara; Harvey, Rebecca; Moatar, Florentina; de Wit, Heleen; Zechmeister, Thomas (Journal article; Peer reviewed, 2019)
      Calcium (Ca) is an essential element for almost all living organisms. Here, we examined global variation and controls of freshwater Ca concentrations, using 440 599 water samples from 43 184 inland water sites in 57 ...