Heleen de Wit

Norwegian version of this page
Username
Visiting address Blindernveien 31 Kristine Bonnevies Hus 0371 Oslo
Postal address Postboks 1066, Blindern 0316 Oslo

Publications

  • Clayer, Francois; Thrane, Jan-Erik; Brandt, Uta; Dörsch, Peter & de Wit, Heleen (2021). Boreal Headwater Catchment as Hot Spot of Carbon Processing From Headwater to Fjord. Journal of Geophysical Research (JGR): Biogeosciences. ISSN 2169-8953. 126(12). doi: 10.1029/2021JG006359. Full text in Research Archive
  • de Wit, Heleen; Stoddard, John L.; Monteith, Donald T.; Sample, James E.; Austnes, Kari & Couture, Suzanne [Show all 17 contributors for this article] (2021). Cleaner air reveals growing influence of climate on dissolved organic carbon trends in northern headwaters. Environmental Research Letters. ISSN 1748-9326. 16(10). doi: 10.1088/1748-9326/ac2526. Full text in Research Archive
  • Forsius, Martin; Posch, Maximilian; Holmberg, Maria; Vuorenmaa, Jussi; Kleemola, Sirpa & Augustaitis, Algirdas [Show all 25 contributors for this article] (2021). Assessing critical load exceedances and ecosystem impacts of anthropogenic nitrogen and sulphur deposition at unmanaged forested catchments in Europe. Science of the Total Environment. ISSN 0048-9697. 753. doi: 10.1016/j.scitotenv.2020.141791. Full text in Research Archive
  • Strand, Line Tau; Fjellstad, Wendy ; Jackson-Blake, Leah Amber & de Wit, Heleen A (2020). Afforestation of a pasture in Norway did not result in higher soil carbon, 50 years after planting. Landscape and Urban Planning. ISSN 0169-2046. 207. doi: 10.1016/j.landurbplan.2020.104007. Full text in Research Archive
  • de Wit, Heleen A; Lepistö, Ahti; Marttila, Hannu; Wenng, Hannah; Bechmann, Marianne & Blicher-Mathiesen, Gitte [Show all 12 contributors for this article] (2020). Land-use dominates climate controls on nitrogen and phosphorus export from managed and natural Nordic headwater catchments. Hydrological Processes. ISSN 0885-6087. 34(25), p. 4831–4850. doi: 10.1002/hyp.13939. Full text in Research Archive
  • Marttila, Hannu; Lepistö, Ahti; Tolvanen, Anne; Bechmann, Marianne; Kyllmar, Katarina & Juutinen, Artti [Show all 19 contributors for this article] (2020). Potential impacts of a future Nordic bioeconomy on surface water quality. Ambio. ISSN 0044-7447. 49, p. 1722–1735. doi: 10.1007/s13280-020-01355-3. Full text in Research Archive
  • Bishop, Kevin; Shanley, James B.; Riscassi, Ami; de Wit, Heleen; Eklöf, Karin & Meng, Bo [Show all 11 contributors for this article] (2020). Recent advances in understanding and measurement of mercury in the environment: Terrestrial Hg cycling. Science of the Total Environment. ISSN 0048-9697. 721. doi: 10.1016/j.scitotenv.2020.137647. Full text in Research Archive
  • Kaste, Øyvind; Austnes, Kari & de Wit, Heleen (2020). Streamwater responses to reduced nitrogen deposition at four small upland catchments in Norway. Ambio. ISSN 0044-7447. 49, p. 1759–1770. doi: 10.1007/s13280-020-01347-3. Full text in Research Archive
  • Braaten, Hans Fredrik Veiteberg; Lindholm, Markus & de Wit, Heleen A (2020). Five decades of declining methylmercury concentrations in boreal foodwebs suggest pivotal role for sulphate deposition. Science of the Total Environment. ISSN 0048-9697. 714. doi: 10.1016/j.scitotenv.2020.136774. Full text in Research Archive
  • Weyhenmeyer, Gesa A; Hartmann, Jens; Hessen, Dag O; Kopáček, Jiří; Hejzlar, Josef & Jacquet, Stéphan [Show all 29 contributors for this article] (2019). Widespread diminishing anthropogenic effects on calcium in freshwaters. Scientific Reports. ISSN 2045-2322. 9. doi: 10.1038/s41598-019-46838-w. Full text in Research Archive
  • Hagman, Camilla Hedlund Corneliussen; Skjelbred, Birger; Thrane, Jan-Erik; Andersen, Tom & de Wit, Heleen A (2019). Growth responses of the nuisance algae Gonyostomum semen (Raphidophyceae) to DOC and associated alterations of light quality and quantity. Aquatic Microbial Ecology. ISSN 0948-3055. 82(3), p. 241–251. doi: 10.3354/ame01894. Full text in Research Archive
  • Krzeminski, Pawel; Vogelsang, Christian; Meyn, Thomas; Köhler, Stephan; Poutanen, Heikki & de Wit, Heleen [Show all 7 contributors for this article] (2019). Natural organic matter fractions and their removal in full-scale drinking water treatment under cold climate conditions in Nordic capitals. Journal of Environmental Management. ISSN 0301-4797. 241, p. 427–438. doi: 10.1016/j.jenvman.2019.02.024. Full text in Research Archive
  • Braaten, Hans Fredrik Veiteberg; Åkerblom, Staffan; Kahilainen, Kimmo Kalevi; Rask, Martti; Vuorenmaa, Jussi & Mannio, Jaakko [Show all 15 contributors for this article] (2019). Improved Environmental Status: 50 Years of Declining Fish Mercury Levels in Boreal and Subarctic Fennoscandia. Environmental Science and Technology. ISSN 0013-936X. 53(4), p. 1834–1843. doi: 10.1021/acs.est.8b06399. Full text in Research Archive
  • Lund, Espen; Garmo, Øyvind A; de Wit, Heleen A; Kristensen, Torstein; Hawley, Kate L & Wright, Richard F (2018). Reduced Acid Deposition Leads to a New Start for Brown Trout (Salmo trutta) in an Acidified Lake in Southern Norway. Water, Air and Soil Pollution. ISSN 0049-6979. 229. doi: 10.1007/s11270-018-4013-9. Full text in Research Archive
  • de Wit, Heleen A; Couture, Raoul-Marie; Jackson-Blake, Leah; Futter, Martyn N.; Valinia, Salar & Austnes, Kari [Show all 8 contributors for this article] (2018). Pipes or chimneys? For carbon cycling in small boreal lakes, precipitation matters most. Limnology and Oceanography Letters. ISSN 2378-2242. 3(3), p. 275–284. doi: 10.1002/lol2.10077. Full text in Research Archive
  • Braaten, Hans Fredrik Veiteberg; de Wit, Heleen; Larssen, Thorjørn & Poste, Amanda (2018). Mercury in fish from Norwegian lakes: The complex influence of aqueous organic carbon. Science of the Total Environment. ISSN 0048-9697. 627, p. 341–348. doi: 10.1016/j.scitotenv.2018.01.252. Full text in Research Archive
  • Vuorenmaa, Jussi; Augustaitis, Algirdas; Beudert, Burkhard; Bochenek, Witold; Clarke, Nicholas & de Wit, Heleen A [Show all 25 contributors for this article] (2018). Long-term changes (1990–2015) in the atmospheric deposition and runoff water chemistry of sulphate, inorganic nitrogen and acidity for forested catchments in Europe in relation to changes in emissions and hydrometeorological conditions. Science of the Total Environment. ISSN 0048-9697. 625, p. 1129–1145. doi: 10.1016/j.scitotenv.2017.12.245. Full text in Research Archive
  • Vuorenmaa, Jussi; Augustaitis, Algirdas; Beudert, Burkhard; Clarke, Nicholas; de Wit, Heleen & Dirnböck, Thomas [Show all 17 contributors for this article] (2017). Long-term sulphate and inorganic nitrogen mass balance budgets in European ICP Integrated Monitoring catchments (1990–2012). Ecological Indicators. ISSN 1470-160X. 76, p. 15–29. doi: 10.1016/j.ecolind.2016.12.040.
  • de Wit, Heleen A; Ledesma, Jose L J & Futter, Martyn N. (2016). Aquatic DOC export from subarctic Atlantic blanket bog in Norway is controlled by seasalt deposition, temperature and precipitation. Biogeochemistry. ISSN 0168-2563. 127(2), p. 305–321. doi: 10.1007/s10533-016-0182-z. Full text in Research Archive
  • Strand, Line Tau; Callesen, Ingeborg; Dalsgaard, Lise & de Wit, Heleen A (2016). Carbon and nitrogen stocks in Norwegian forest soils — the importance of soil formation, climate, and vegetation type for organic matter accumulation. Canadian Journal of Forest Research. ISSN 0045-5067. 46(12), p. 1459–1473. doi: 10.1139/cjfr-2015-0467.
  • de Wit, Heleen A.; Valinia, Salar; Weyhenmeyer, Gesa A; Futter, Martyn N.; Kortelainen, Pirkko & Austnes, Kari [Show all 10 contributors for this article] (2016). Current Browning of Surface Waters Will Be Further Promoted by Wetter Climate. Environmental Science and Technology Letters (ES&T Letters). ISSN 2328-8930. 3(12), p. 430–435. doi: 10.1021/acs.estlett.6b00396. Full text in Research Archive
  • Braaten, Hans Fredrik Veiteberg & de Wit, Heleen A. (2016). Effects of disturbance and vegetation type on total and methylmercury in boreal peatland and forest soils. Environmental Pollution (1987). ISSN 0269-7491. 218, p. 140–149. doi: 10.1016/j.envpol.2016.08.029. Full text in Research Archive
  • Finstad, Anders Gravbrøt; Andersen, Tom; Larsen, Søren; Tominaga, Koji; Blumentrath, Stefan & de Wit, Heleen A. [Show all 8 contributors for this article] (2016). From greening to browning: Catchment vegetation development and reduced S-deposition promote organic carbon load on decadal time scales in Nordic lakes. Scientific Reports. ISSN 2045-2322. 6. doi: 10.1038/srep31944. Full text in Research Archive
  • Vries, Wim de; Posch, Maximilian; Sverdrup, Harald U.; Larssen, Thorjørn; Wit, Heleen de & Bobbink, Roland [Show all 7 contributors for this article] (2015). Geochemical Indicators for Use in the Computation of Critical Loads and Dynamic Risk Assessments. Environmental Pollution. ISSN 1566-0745. 25, p. 15–58. doi: 10.1007/978-94-017-9508-1_2.
  • Couture, Raoul-Marie; de Wit, Heleen; Tominaga, Koji; Kiuru, Petri & Markelov, Igor (2015). Oxygen dynamics in a boreal lake responds to long-term changes in climate, ice phenology, and DOC inputs. Journal of Geophysical Research (JGR): Biogeosciences. ISSN 2169-8953. 120(11), p. 2441–2456. doi: 10.1002/2015JG003065. Full text in Research Archive
  • Moiseenko, Tatiana Ivanovna; Dinu, Marina Ivanovna; Bazova, Maria Mihailovna & de Wit, Heleen (2015). Long-term changes in the water chemistry of arctic lakes as a response to reduction of air pollution: Case study in the Kola, Russia. Water, Air and Soil Pollution. ISSN 0049-6979. 226(98). doi: 10.1007/s11270-015-2310-0.
  • Poste, Amanda; Braaten, Hans Fredrik Veiteberg; de Wit, Heleen; Sørensen, Kai & Larssen, Thorjørn (2015). Effects of photodemethylation on the methylmercury budget of boreal Norwegian lakes. Environmental Toxicology and Chemistry. ISSN 0730-7268. 34(6), p. 1213–1223. doi: 10.1002/etc.2923.
  • de Wit, Heleen; Austnes, Kari; Hylen, Gro & Dalsgaard, Lise (2015). A carbon balance of Norway: terrestrial and aquatic carbon fluxes. Biogeochemistry. ISSN 0168-2563. 123, p. 147–173. doi: 10.1007/s10533-014-0060-5. Full text in Research Archive
  • Lindholm, Markus; de Wit, Heleen; Eriksen, Tor Erik & Braaten, Hans Fredrik Veiteberg (2014). The influence of littoral on mercury bioaccumulation in a humic lake. Water, Air and Soil Pollution. ISSN 0049-6979. 225(10). doi: 10.1007/s11270-014-2141-4.
  • Garmo, Øyvind Aaberg; Skjelkvåle, Brit Lisa ; de Wit, Heleen; Colombo, Luca; Curtis, Chris & Fölster, Jens [Show all 21 contributors for this article] (2014). Trends in surface water chemistry in acidified areas in Europe and North America from 1990 to 2008. Water, Air and Soil Pollution. ISSN 0049-6979. 225(3), p. 1–14. doi: 10.1007/s11270-014-1880-6. Full text in Research Archive
  • de Wit, Heleen; Granhus, Aksel; Lindholm, Markus; Kainz, Martin J.; Lin, Yan & Braaten, Hans Fredrik Veiteberg [Show all 7 contributors for this article] (2014). Forest harvest effects on mercury in streams and biota in Norwegian boreal catchments. Forest Ecology and Management. ISSN 0378-1127. 324, p. 52–63. doi: 10.1016/j.foreco.2014.03.044. Full text in Research Archive
  • Braaten, Hans Fredrik Veiteberg; de Wit, Heleen; Harman, Christopher Peter; Hageström, Ulla & Larssen, Thorjørn (2014). Effects of sample preservation and storage on mercury speciation in natural stream water. International Journal of Environmental Analytical Chemistry. ISSN 0306-7319. 94(4), p. 381–384. doi: 10.1080/03067319.2013.823489. Full text in Research Archive
  • Braaten, Hans Fredrik Veiteberg; de Wit, Heleen; Fjeld, Eirik; Rognerud, Sigurd; Lydersen, Espen & Larssen, Thorjørn (2014). Environmental factors influencing mercury speciation in Subarctic and Boreal lakes. Science of the Total Environment. ISSN 0048-9697. 476-477(April), p. 336–345. doi: 10.1016/j.scitotenv.2014.01.030. Full text in Research Archive
  • de Wit, Heleen; Bryn, Anders; Hofgaard, Annika; Karstensen, Jonas; Kvalevåg, Maria Malene & Peters, Glen Philip (2013). Climate warming feedback from mountain birch forest expansion: Reduced albedo dominates carbon uptake. Global Change Biology. ISSN 1354-1013. 20(7), p. 2344–2355. doi: 10.1111/gcb.12483. Full text in Research Archive
  • Martinsen, Vegard; Grund, Franz; Kjeve, Marit Ness; de Wit, Heleen; Austrheim, Gunnar & Mysterud, Atle [Show all 7 contributors for this article] (2013). Differences in the quality of seepage water and runoff caused by plant community and grazing at an Alpine site in Hol, southern Norway. Water, Air and Soil Pollution. ISSN 0049-6979. 224. doi: 10.1007/s11270-013-1649-3.
  • Holmberg, Maria; Vuorenmaa, Jussi; Posch, Maximilian; Forsius, Martin; Lundin, Lars & Kleemola, Sirpa [Show all 19 contributors for this article] (2013). Relationship between critical load exceedances and empirical impact indicators at Integrated Monitoring sites across Europe. Ecological Indicators. ISSN 1470-160X. 24, p. 256–265. doi: 10.1016/j.ecolind.2012.06.013.
  • de Wit, Heleen; Kainz, Martin J. & Lindholm, Markus (2012). Methylmercury bioaccumulation in invertebrates of boreal streams in Norway: Effects of aqueous methylmercury and diet retention. Environmental Pollution (1987). ISSN 0269-7491. 164, p. 235–241. doi: 10.1016/j.envpol.2012.01.041.
  • Wright, Richard Frederic; Aherne, Julian; Bishop, Kevin; Dillon, Peter J.; Erlandsson, Martin & Evans, Chris D. [Show all 19 contributors for this article] (2010). Interaction of Climate Change and Acid Deposition. In Kernan, Martin; Battarbee, Richard W. & Moss, Brian R. (Ed.), Climate Change Impacts on Freshwater Ecosystems. Wiley-Blackwell. ISSN 978-1-4051-7913-3. p. 152–180.
  • Godsey, Sarah E.; Aas, Wenche; Clair, Thomas A.; de Wit, Heleen; Fernandez, Ivan A. & Kahl, J. Steve [Show all 16 contributors for this article] (2010). Generality of fractal 1/f scaling in catchment tracer time series, and its implications for catchment travel time distributions. Hydrological Processes. ISSN 0885-6087. 24(12), p. 1660–1671. doi: 10.1002/hyp.7677.
  • de Wit, Heleen; Eldhuset, Toril & Mulder, Jan (2010). Dissolved Al reduces Mg uptake in Norway spruce forest: Results from a long-term field manipulation experiment in Norway. Forest Ecology and Management. ISSN 0378-1127. 259(10), p. 2072–2082. doi: 10.1016/j.foreco.2010.02.018.

View all works in Cristin

  • Vogt, Rolf David; de Wit, Heleen & Koponen, Kati (2022). Impacts of large-scale forest related NETPs on climate and ecosystem services in Nordic region .
  • Vogt, Rolf David; de Wit, Heleen & Koponen, Kati (2022). Impacts of large-scale forest related NETPs ​on climate and ecosystem services in Nordic region.
  • Knutson, Jacqueline; Clayer, Francois; Brandt, Uta & de Wit, Heleen (2021). Investigating hydrology and carbon cycling in a permafrost palsa: preliminary data from Iskoras.
  • Knutson, Jacqueline; Clayer, Francois; Norling, Magnus Dahler; Lepistö, Ahti; Marttila, Hannu & Futter, Martyn N. [Show all 8 contributors for this article] (2021). Hydrological controls of DOC export from Nordic headwater catchments.
  • Hessen, Dag Olav; de Wit, Heleen & Vogt, Rolf David (2021). Mindre forsuring, mer skog og brunere kystvann – er det noen sammenheng? Naturen. ISSN 0028-0887. 145(5), p. 236–249.
  • Krzeminski, Pawel Konrad; de Wit, Heleen & Uhl, Wolfgang (2019). Natural organic matter variability and removal in main drinking water treatment plants of Northern European capital cities.
  • McGovern, Maeve; Evenset, Anita; Borgå, Katrine; Wit, Heleen de; Braaten, Hans Fredrik Veiteberg & Hessen, Dag Olav [Show all 9 contributors for this article] (2019). Implications of Coastal Darkening for Contaminant Transport, Bioavailability, and Trophic Transfer in Northern Coastal Waters. Environmental Science and Technology. ISSN 0013-936X. 53(13), p. 7180–7182. doi: 10.1021/acs.est.9b03093. Full text in Research Archive
  • Gundersen, Cathrine Brecke; Krzeminski, Pawel; Martinez-Frances, Elena; Ong, Stevenson Harvey Lee; Færgestad, Eline Mosleth & Braaten, Hans Fredrik Veiteberg [Show all 8 contributors for this article] (2019). In-Lake Processing Influences DOM Biodegradability and Hg-cycling.
  • de Wit, Heleen (2019). Klimaendring og vannkvalitet. Kjemisk vannkvalitet – hva kan vi vente oss? .
  • de Wit, Heleen (2019). Progress report ICP Waters.
  • de Wit, Heleen; Braaten, Hans Fredrik Veiteberg; Gundersen, Cathrine Brecke; Krzeminski, Pawel & Vogt, Rolf David (2019). Long-term Mercury records in a boreal lake: lake Processing and the role of organic matter.
  • Krzeminski, Pawel; de Wit, Heleen & Uhl, Wolfgang (2018). Natural organic matter variability and removal in main drinking water treatment plants of Northern European capital cities.
  • Krzeminski, Pawel; Vogelsang, Christian; Meyn, Thomas; Köhler, Stephan; Poutanen, Heikki & de Wit, Heleen [Show all 7 contributors for this article] (2018). Seasonal changes and removal of NOM fractions in main waterworks of Nordic capital cities.
  • de Wit, Heleen (2018). Will an effective policy to reduce Hg emissions lead to cleaner rivers and lakes?
  • de Wit, Heleen; Braaten, Hans Fredrik Veiteberg & Lund, Espen (2018). The role of dissolved organic matter in boreal lake mercury cycling.
  • Braaten, Hans Fredrik Veiteberg; Åkerblom, Staffan; de Wit, Heleen; Poste, Amanda; Rask, Martti & Vuorenmaa, Jussi [Show all 8 contributors for this article] (2018). Mercury in freshwater fish from Fennoscandia (1965-2015) - temporal trends and potential environmental drivers.
  • de Wit, Heleen; Couture, Raoul-Marie; Futter, Martin N; Vogt, Rolf David; Krzeminski, Pawel Konrad & Francés, Elena Martínez [Show all 8 contributors for this article] (2018). Climate-driven changes in removal of DOC in a small boreal lake: a 30-year time series.
  • de Wit, Heleen; Braaten, Hans Fredrik Veiteberg; Krzeminski, Pawel Konrad; Lund, Espen; Martinez-Frances, Elena & Ong, Stevenson Harvey Lee [Show all 7 contributors for this article] (2017). The Role of DOM in Catchment and Lake Mercury Cycling in a Boreal lake catchment.
  • Avset, Liv Mildrid Melkild; Braaten, Hans Fredrik Veiteberg; de Wit, Heleen & Åkerblom, Staffan (2017). Mindre kvikksølv i ferskvannsfisk. [Internet]. forskning.no.
  • Braaten, Hans Fredrik Veiteberg; Åkerblom, Staffan; Christensen, Guttorm N; Poste, Amanda; de Wit, Heleen & Jackson-Blake, Leah Amber (2017). Impacts of climate and lake browning on mercury concentrations in fish – an analysis of resampled perch populations in Scandinavia.
  • Braaten, Hans Fredrik Veiteberg; Lindholm, Markus; Halvorsen, Godtfred A. & de Wit, Heleen (2017). Re-writing history: Five decades of methylmercury concentrations in aquatic zoobenthos from lakes in the Norwegian boreal Ecozone.
  • Åkerblom, Staffan; Braaten, Hans Fredrik Veiteberg; de Wit, Heleen & Christensen, Guttorm (2017). A Fennoscandian platform of freshwater fish mercury data for the evaluation of effects of transboundary air pollution.
  • de Wit, Heleen; Braaten, Hans Fredrik Veiteberg & Vogt, Rolf David (2017). The role of DOM in catchment and lake mercury cycling in a boreal lake catchment.
  • Borchgrevink, Harald Bonaventura & de Wit, Heleen (2016). Vannet blir brunere i en våtere fremtid. [Internet]. forskning.no.
  • Couture, Raoul-Marie; de Wit, Heleen; Tominaga, Koji; Kiuru, Petri & Markelov, Igor (2015). Modelling the impact of increasing dissolved organic carbon load on seasonal anoxia in a boreal humic lake.
  • Borchgrevink, Harald Bonaventura & de Wit, Heleen (2014). Acid rain still affects water quality. [Internet]. sciencenordic.com.
  • Borchgrevink, Harald Bonaventura & de Wit, Heleen (2014). Sur nedbør påvirker fortsatt norske elver. [Internet]. forskning.no.
  • De Wit, Heleen; Pfaffhuber, Katrine Aspmo; Hole, Lars Robert & Berg, Torunn (2010). Inputs and outputs of Hg and MeHg in a catchment perspective.
  • de Wit, Heleen A.; Astrup, Rasmuss; Engen-Skaugen, Torill; Hofgaard, Annika; Peters, Glen & Strand, Line Tau (2009). Terrestrial C sequestration potential in Norway under present and future climate (TerraC).
  • Lange, Holger; de Wit, Heleen A.; Thomas, Björn; Astrup, Rasmuss; Hylen, Gro & Strand, Line Tau (2009). Modelling forest- soil carbon at a national scale.
  • Austnes, Kari; Hjermann, Dag Øystein; Sample, James Edward; Wright, Richard Frederic; Kaste, Øyvind & de Wit, Heleen (2022). Nitrogen in surface waters: time trends and geographical patterns explained by deposition levels and catchment characteristics. Norsk institutt for vannforskning. ISSN 978-82-577-7464-6. Full text in Research Archive
  • Kaste, Øyvind; Skarbøvik, Eva; Clarke, Nicholas & de Wit, Heleen (2021). Gjødsling av skog - vurdering av eksisterende hensynssone og tak for nitrogengjødsling på bakgrunn av ny kunnskap. Norsk institutt for vannforskning. ISSN 978-82-577-7399-1. Full text in Research Archive
  • Thrane, Jan-Erik; de Wit, Heleen & Austnes, Kari (2021). Effects of nitrogen on nutrient-limitation in oligotrophic northern surface waters. Norsk institutt for vannforskning. ISSN 978-82-577-7416-5. Full text in Research Archive
  • Poste, Amanda; Kaste, Øyvind; Frigstad, Helene; de Wit, Heleen; Harvey, E. Therese & Valestrand, Louise [Show all 10 contributors for this article] (2021). The impact of the spring 2020 snowmelt floods on physicochemical conditions in three Norwegian river-fjord-coastal systems. Norsk institutt for vannforskning. ISSN 978-82-577-7387-8. Full text in Research Archive
  • Sandin, Leonard; Thrane, Jan-Erik; Persson, Jonas; Kile, Maia Røst; Bækkelie, Knut Andreas Eikland & Myrvold, Knut Marius [Show all 11 contributors for this article] (2021). Overvåking av referanseelver - Utprøving av klassifiseringssystemet for basisovervåking i referansevassdrag. Norsk institutt for vannforskning. ISSN 978-82-577-7376-2.
  • Thrane, Jan-Erik; de Wit, Heleen; Blakseth, Tomas Adler; Skancke, Liv Bente & Garmo, Øyvind Aaberg (2020). Correcting for bias in freshwater total nitrogen concentrations obtained with a modified standard (NS4743) method. Norsk institutt for vannforskning. ISSN 978-82-577-7273-4. Full text in Research Archive
  • Thrane, Jan-Erik; Persson, Jonas; Kile, Maia Røst; Bækkelie, Knut Andreas Eikland; Myrvold, Knut Marius & Garmo, Øyvind Aaberg [Show all 10 contributors for this article] (2020). Overvåking av referanseelver 2019. Basisovervåking i henhold til vannforskriften. Norsk institutt for vannforskning. ISSN 978-82-577-7220-8.
  • Garmo, Øyvind Aaberg; Kaste, Øyvind; Arle, Jens; Austnes, Kari; de Wit, Heleen & Fölster, Jens [Show all 18 contributors for this article] (2020). Trends and patterns in surface water chemistry in Europe and North America between 1990 and 2016, with particular focus on changes in land use as a confounding factor for recovery. Norsk institutt for vannforskning. ISSN 978-82-577-7214-7. Full text in Research Archive
  • Moe, Therese Fosholt; Persson, Jonas; Bækkelie, Knut Andreas Eikland; Myrvold, Knut Marius; Garmo, Øyvind Aaberg & Grung, Merete [Show all 9 contributors for this article] (2019). Surveillance monitoring of reference rivers in 2018. Norsk Insitutt for Vannforskning. ISSN 978-82-577-7113-3. Full text in Research Archive
  • Braaten, Hans Fredrik Veiteberg; Gundersen, Cathrine Brecke; Sample, James Edward; Selvik, John Rune & de Wit, Heleen (2018). Atmospheric deposition and lateral transport of mercury in Norwegian drainage basins: A mercury budget for Norway. Norsk institutt for vannforskning. ISSN 978-82-577-7045-7. Full text in Research Archive
  • Austnes, Kari; Aherne, Julian; Arle, Jens; Čičendajeva, Marina; Couture, Suzanne & Fölster, Jens [Show all 21 contributors for this article] (2018). Regional assessment of the current extent of acidification of surface waters in Europe and North America. Norsk institutt for vannforskning. ISSN 1894-7948. Full text in Research Archive
  • Garmo, Øyvind Aaberg; Ulańczyk, Rafał & de Wit, Heleen (2018). Proceedings of the 34th Task Force meeting of the ICP Waters Programme in Warsaw, May 7-9, 2018. Norsk institutt for vannforskning. ISSN 978-82-577-7033-4. Full text in Research Archive
  • Moe, Therese Fosholt; Thrane, Jan-Erik; Persson, Jonas; Bækkelie, Knut Andreas Eikland; Myrvold, Knut Marius & Olstad, Kjetil [Show all 9 contributors for this article] (2018). Surveillance monitoring of reference rivers in 2017. Norsk institutt for vannforskning. ISSN 978-82-577-6994-9. Full text in Research Archive
  • Garmo, Øyvind Aaberg; de Wit, Heleen & Fölster, Jens (2017). Proceedings of the 33rd Task Force meeting of the ICP Waters Programme in Uppsala, May 9-11, 2017. Norsk institutt for vannforskning. ISSN 978-82-577-6913-0. Full text in Research Archive
  • Braaten, Hans Fredrik Veiteberg; Åkerblom, Staffan; de Wit, Heleen; Skotte, Gunnar; Rask, Martti & Vuorenmaa, Jussi [Show all 18 contributors for this article] (2017). Spatial and temporal trends of mercury in freshwater fish in Fennoscandia (1965-2015). Norsk institutt for vannforskning. ISSN 978-82-577-6914-7. Full text in Research Archive
  • Valinia, Salar & de Wit, Heleen (2016). Proceedings of the 32nd Task Force meeting of the ICP Waters Programme in Asker, Oslo, May 24-26, 2016. Norsk institutt for vannforskning. ISSN 978-82-577-6825-6. Full text in Research Archive
  • Velle, Gaute; Mahlum, Shad Kenneth; Monteith, Don T.; de Wit, Heleen; Arle, Jens & Fjellheim, Arne [Show all 24 contributors for this article] (2016). Biodiversity of macro-invertebrates in acid-sensitive waters: trends and relations to water chemistry and climate. Norsk institutt for vannforskning. ISSN 978-82-577-6812-6. Full text in Research Archive
  • de Wit, Heleen; Valinia, Salar & Steingruber, Sandra (2016). Proceedings of the 31st Task Force meeting of the ICP Waters Programme in Monte Verità, Switzerland, October 6-8, 2015. ICP Waters report 126/2016. Norsk institutt for vannforskning. ISSN 978-82-577-6738-9.
  • Hansen, Georg Heinrich; Rasse, Daniel; de Wit, Heleen; Tømmervik, Hans; Bjerke, Jarle W. & Lund, Magnus [Show all 7 contributors for this article] (2015). Effects of climate variability on vegetation and carbon uptake in a North-Norwegian coastal wetland. NILU. ISSN 978-82-425-2818-6. Full text in Research Archive
  • de Wit, Heleen; Hettelingh, Jean-Paul & Harmens, Harry (2015). Trends in ecosystem and health responses to long-range transported atmospheric pollutants - ICP Waters report 125/2015. Norsk institutt for vannforskning. ISSN 978-82-577-6681-8. Full text in Research Archive
  • Fjellheim, Arne; Johannessen, Arne; Landås, Torunn Svanevik & de Wit, Heleen (2015). Biological intercalibration. Invertebrates 1915 - ICP Waters report 124/2015. Norsk institutt for vannforskning. ISSN 978-82-577-6675-7. Full text in Research Archive
  • Garmo, Øyvind Aaberg; de Wit, Heleen & Fjellheim, Arne (2015). Chemical and biological recovery in acid-sensitive waters: trends and prognosis (ICP Waters report 119/2015). Norsk institutt for vannforskning. ISSN 978-82-577-6582-8. Full text in Research Archive
  • de Wit, Heleen & Wathne, Bente Margrethe (2015). Proceedings of the 30th Task Force meeting of the ICP Waters Programme in Grimstad, Norway 14th –16th October, 2014. Norsk institutt for vannforskning. ISSN 978-82-577-6528-6. Full text in Research Archive
  • Fjellheim, Arne; Johannessen, Arne; Landås, Torunn Svanevik & de Wit, Heleen (2014). Biological intercalibration: Invertebrates 1814. Norsk institutt for vannforskning. ISSN 978-82-577-6496-8. Full text in Research Archive
  • Fjellheim, Arne; Johannessen, Arne; Landås, Torunn Svanevik & de Wit, Heleen (2014). Biological intercalibration: Invertebrates 1713. Norsk institutt for vannforsking. ISSN 978-82-577-6397-8. Full text in Research Archive
  • de Wit, Heleen; Wathne, Bente Margrethe & Hruska, Jakub (2014). Proceedings of the 29th Task Force meeting of the ICP Waters Programme in Český Krumlov, Czech Republic 1st –3rd October, 2013. Norsk institutt for vannforskning. ISSN 978-82-577-6378-7. Full text in Research Archive
  • Velle, Gaute; Telford, Richard; Curtis, Chris; Erikson, Lars; Fjellheim, Arne & Frolova, Marina [Show all 23 contributors for this article] (2013). Biodiversity in freshwaters: temporal trends and response to water chemistry. ICP Waters Report, Norwegian Institute for Water Research. ISSN 978-82-577-6315-2.
  • Framstad, Erik; de Wit, Heleen; Mäkipää, Raisa; Larjavaara, Markku; Vesterdal, Lars & Karltun, Erik (2013). Biodiversity, carbon storage and dynamics of old northern forests. Nordic Council of Ministers. ISSN 978-92-893-2510-3.
  • Gundersen, Hege; Christie, Hartvig C; de Wit, Heleen; Norderhaug, Kjell Magnus; Bekkby, Trine & Walday, Mats (2011). Utredning om CO2-opptak i marine naturtyper. Norsk institutt for vannforskning (NIVA). ISSN 978-82-577-5805-9.

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Published Aug. 11, 2020 1:37 PM - Last modified Aug. 11, 2020 1:37 PM