Blar i NIVA Open Access Archive på forfatter "Stoddard, John"
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Assessment of Trends and Leaching of Nitrogen at ICP Waters Sites (Europe and North America) (ICP Waters report 54/2001)
Skjelkvåle, B.L.; Olendrzynski, Krzysztof; Stoddard, John; Tarrason, Leonor; Traaen, T.S.; Tørseth, Kjetil; Windjusveen, Sofia; Wright, R. (NIVA-rapport;4383, Research report, 2001-01)The ICP Waters database currently holds data for 204 sites in Europe and North America. These data were evaluated with respect to nitrate concentrations. About 50% of the sites currently have nitrate concentrations indicative ... -
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 ...