Blar i NIVA Open Access Archive på forfatter "Van Dam, Herman"

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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 ...

    • Regional assessment of the current extent of acidification of surface waters in Europe and North America 

      Austnes, Kari; Aherne, Julian; Arle, Jens; Čičendajeva, Marina; Couture, Suzanne; Fölster, Jens; Garmo, Øyvind Aaberg; Hruska, Jakub; Monteith, Don; Posch, Max; Rogora, Michaela; Sample, James Edward; Skjelkvåle, Brit Lisa; Steingruber, Sandra; Stoddard, John L.; Ulańczyk, Rafał; Van Dam, Herman; Velasco, Manuel Toro; Vuorenmaa, Jussi; Wright, Richard Frederic; de Wit, Heleen (NIVA-rapport;7268, Research report, 2018)
      The current status of surface water acidification related to air pollution in Europe and North America has been assessed using country reports, monitoring data, critical loads and exceedance data, acid sensitivity and ...

    • 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 ...