Blar i NIVA Open Access Archive på forfatter "Steinnes, E."
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Forsuring og tungmetallforurensning i grenseområdene Norge/Russland. Årsrapport 1993
Traaen, T.; Rognerud, S.; Steinnes, E. (NIVA-rapport;3074, Research report, 1994)Vannkjemisk overvåking av innsjøer i Sør-Varanger viser nå en tendens mot redusert sulfatverdier og økende pH. I perioden 1990-1993 økte middelverdien av pH for de 9 mest belastede overvåkingssjøene fra 5.7 til 5.9. Årsaken ... -
Performance study of diffusive gradients in thin films (DGT) for 55 elements
Røyset, O.; Garmo, Ø. Aaberg; Steinnes, E.; Flaten, T.P. (NIVA-rapport;4604, Research report, 2002)The technique of diffusive gradients in thin films (DGT) is a fairly new and useful tool for in situ measurement of labile metal ions in water. In this study the applicability of DGT for determining 55 elements has been ... -
Trace metals in Norwegian surface waters, soils, and lake sediments - relation to atmospheric deposition
Skjelkvåle, B.L.; Steinnes, E.; Rognerud, S.; Fjeld, E.; Berg, T.; Røyset, O. (NIVA-rapport;5222, Research report, 2006)This report presents results from simultaneous trace metal surveys 1995 in Norway on atmospheric deposition based on moss analysis, the humic layer of soils, lake sediments, and surface waters. The samples of sediment and ...