Blar i Publikasjoner fra Cristin - NIVA på dokumenttype "Research report"

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    • Conservation of biodiversity and improved management of protected areas in Myanmar. Aquatic macrophytes and phytoplankton in Indawgyi Lake 

      Mjelde, Marit; Ballot, Andreas; Swe, Thida (NIVA-rapport;7253, Research report, 2018)
      The aim of the study has been to give important and improved knowledge about aquatic macrophytes and phytoplankton biodiversity in the Indawgyi Lake. The survey took place in September 2017 and included physical measurements, ...

    • Contaminants in coastal waters 2021 / Miljøgifter i kystområdene 2021 

      Schøyen, Merete; Grung, Merete; Lund, Espen; Hjermann, Dag Øystein; Ruus, Anders; Øxnevad, Sigurd; Beylich, Bjørnar; Jenssen, Marthe Torunn Solhaug; Tveiten, Lise Ann; Håvardstun, Jarle; Ribeiro, Anne Luise; Doyer, Isabel; Bæk, Kine (NIVA-rapport;7784-2022, Research report, 2022)
      The Norwegian environmental monitoring programme “Contaminants in coastal waters” (Miljøgifter i kystområdene - MILKYS) examines levels, trends, and effects of contaminants in biota. The 2021 investigation included analyses ...

    • Contaminants in coastal waters 2022 

      Schøyen, Merete; Grung, Merete; Lund, Espen; Hjermann, Dag Øystein; Ruus, Anders; Øxnevad, Sigurd; Christensen, Guttorm; Beylich, Bjørnar; Jenssen, Marthe Torunn Solhaug; Tveiten, Lise Ann; Håvardstun, Jarle; Eftevåg, Veronica Sæther; Bæk, Kine (NIVA-rapport;7912-2023, Research report, 2024)
      The Norwegian environmental monitoring programme “Contaminants in coastal waters” (Miljøgifter i kystområdene - MILKYS) examines the levels, trends, and effects of contaminants annually in biota along the Norwegian fjords ...

    • Contaminants in coastal waters of Norway 2012 

      Green, Norman Whitaker; Schøyen, Merete; Øxnevad, Sigurd; Ruus, Anders; Allan, Ian; Høgåsen, Tore; Beylich, Bjørnar; Håvardstun, Jarle; Rogne, Åse K. Gudmundson; Tveiten, Lise Ann (NIVA-rapport;6582, Research report, 2013)
      This programme examines long term changes for legacy and some emerging contaminants in biota along the coast of Norway from the Oslofjord and Hvaler region in the southeast to the Varangerfjord in the northeast, in both ...

    • Contaminants in coastal waters of Norway 2013 

      Green, Norman Whitaker; Schøyen, Merete; Øxnevad, Sigurd; Ruus, Anders; Allan, Ian; Hjermann, Dag Øystein; Høgåsen, Tore; Beylich, Bjørnar; Håvardstun, Jarle; Rogne, Åse K Gudmundson; Tveiten, Lise Ann (NIVA-rapport;6728, Research report, 2014)
      This programme examines the levels, trends and effects of contaminants in biota along the coast of Norway. The 2013-investigation included analyses of 120 different contaminants or biological effect parameters in five types ...

    • Contaminants in coastal waters of Norway 2014 

      Green, Norman Whitaker; Schøyen, Merete; Øxnevad, Sigurd; Ruus, Anders; Allan, Ian; Hjermann, Dag Øystein; Høgåsen, Tore; Beylich, Bjørnar; Håvardstun, Jarle; Lund, Espen; Tveiten, Lise Ann; Bæk, Kine (NIVA-rapport;6917, Research report, 2015)
      This programme examines the levels, trends and effects of contaminants in biota along the coast of Norway. The 2014-investigation included analyses of 136 different contaminants or biological effect parameters in five types ...

    • Contaminants in coastal waters of Norway 2015. Miljøgifter i norske kystområder 2015. 

      Green, Norman W.; Schøyen, Merete; Øxnevad, Sigurd; Ruus, Anders; Allan, Ian; Hjermann, Dag; Severinsen, Gunnar; Høgåsen, Tore; Beylich, Bjørnar; Håvardstun, Jarle; Lund, Espen; Tveiten, Lise; Bæk, Kine (NIVA-rapport;7087, Research report, 2016-10)
      This programme examines the levels, trends and effects of contaminants in biota along the coast of Norway. The 2015-investigation included analyses of 108 different contaminants or biological effect parameters in five types ...

    • Contaminants in coastal waters of Norway 2016 

      Green, Norman Whitaker; Schøyen, Merete; Øxnevad, Sigurd; Ruus, Anders; Hjermann, Dag Øystein; Severinsen, Gunnar; Høgåsen, Tore; Beylich, Bjørnar; Håvardstun, Jarle; Lund, Espen; Tveiten, Lise Ann; Bæk, Kine (NIVA-rapport;7579, Research report, 2021)
      This programme examines the levels, trends and effects of contaminants in biota along the coast of Norway. The 2016- investigation included analyses of 104 different contaminants or biological effect parameters in five ...

    • Contaminants in coastal waters of Norway 2017 

      Green, Norman Whitaker; Schøyen, Merete; Hjermann, Dag Øystein; Øxnevad, Sigurd; Ruus, Anders; Lusher, Amy; Beylich, Bjørnar; Lund, Espen; Tveiten, Lise Ann; Håvardstun, Jarle; Jenssen, Marthe Torunn Solhaug; Ribeiro, Anne Luise; Bæk, Kine (NIVA-rapport;7580, Research report, 2021)
      This programme examines the levels, trends and effects of contaminants in biota along the coast of Norway. The 2017-investigation included analyses of 93 different contaminants or biological effect parameters in five species ...

    • Contaminants in coastal waters of Norway 2019. 

      Green, Norman Whitaker; Schøyen, Merete; Hjermann, Dag Øystein; Øxnevad, Sigurd; Ruus, Anders; Grung, Merete; Beylich, Bjørnar; Lund, Espen; Tveiten, Lise Ann; Jenssen, Marthe Torunn Solhaug; Håvardstun, Jarle; Ribeiro, Anne Luise; Doyer, Isabel; Bæk, Kine (NIVA-rapport;7741-2022, Research report, 2022)
      This monitoring programme examines levels, trends and effects of contaminants in biota along the coast of Norway. The 2019- investigation included analyses of more than 176 different contaminants or biological effect ...

    • Contaminants in coastal waters of Norway 2020 

      Schøyen, Merete; Lund, Espen; Hjermann, Dag Øystein; Ruus, Anders; Beylich, Bjørnar; Jenssen, Marthe Torunn Solhaug; Tveiten, Lise Ann; Håvardstun, Jarle; Ribeiro, Anne Luise; Doyer, Isabel; Bæk, Kine; Grung, Merete; Øxnevad, Sigurd (NIVA-rapport;7686-2021, Research report, 2021)
      The monitoring programme “Contaminants in coastal waters of Norway” (Miljøgifter i norske kystområder - MILKYS) examines levels, trends and effects of contaminants in biota. The 2020-investigation included analyses of more ...

    • Correcting for bias in freshwater total nitrogen concentrations obtained with a modified standard (NS4743) method 

      Thrane, Jan-Erik; de Wit, Heleen; Blakseth, Tomas Adler; Skancke, Liv Bente; Garmo, Øyvind Aaberg (NIVA-rapport;7538, Research report, 2020)
      Concentrations of total nitrogen (TotN) in freshwater monitoring programs were unreliable for a limited period, probably because of inadequate sample digestion when using a modified version of method NS 4743 (“method A”) ...

    • Critical limits for surface water acidification in Norwegian critical loads calculation and Water Framework Directive classification 

      Austnes, Kari; Lund, Espen (NIVA-rapport;6741, Research report, 2014)
      The objective of this study was to compare the critical limits for surface water acidification used in the critical loads calculation under the UNECE Convention on Long-range Transboundary Air Pollution and the EU Water ...

    • Critical loads and the MAGIC model. Evaluating the country-scale applications in Norway using data from the 2019 national lake survey 

      Austnes, Kari; Wright, Richard Frederic; Sample, James Edward; Clayer, Francois (NIVA-rapport;7557, Research report, 2020)
      The critical loads methodology used at the national scale in Norway and the MAGIC model as applied to the lakes in the national 1000-lake survey have been evaluated, making use of the data from the 2019 national lake survey. ...

    • Current conditions in the Oslofjord. Focus on current strength along the bottom 

      Staalstrøm, Andre; Ghaffari, Peygham (NIVA-rapport;6799, Research report, 2015)
      The objective of this project has been to assess how strong the current conditions near the bottom can be in extreme cases. Extreme value analysis has been applied to current observations near the bottom at six stations ...

    • Dataanalyse av kontinuerlige målinger utenfor Quartz Corp AS på Drag i Tysfjord 

      Ledang, Anna Birgitta; Berge, John A (NIVA-rapport;6710, Research report, 2014)
      I mars 2012 ble det plassert en permanent målerigg utenfor Drag i Tysfjord. Den måler kontinuerlig temperatur, saltholdighet, strøm, turbiditet og pH. Resultater fra 2013 viste en tydelig sammenheng mellom utslipp fra ...

    • Dataanalyse av kontinuerlige målinger utenfor The Quartz Corp på Drag i Tysfjord – rapport av målinger gjort i 2014 

      Hjermann, Dag Øystein; Staalstrøm, Andre; Hagen, Anders Gjørwad; Skogan, Odd Arne Segtnan (NIVA-rapport;6878, Research report, 2015)
      Siden mars 2012 har en målerigg nær utslippsledningene til The QUARZ Corp på Drag i Tysfjord tatt kontinuerlige målinger av pH, turbiditet og oseanografiske parametere på 10 og 20 meters dyp. Denne rapporten er en presentasjon ...

    • Demonstrasjons- og testsenter for karakterisering og rensing av forurenset overvann - mulighetsstudie 

      Meland, Sondre; Barkved, Line Johanne; Gragne, Ashenafi Seifu; Seifert-Dähnn, Isabel; Brandt, Uta; Enge, Caroline; Johnsen, Geir Sogge; Johannesen, Hans-Petter; Kronvall, Kjersti Wike (NIVA-rapport;7610, Research report, 2021)
      Denne rapporten er en mulighetsstudie om etableringen av et demonstrasjons- og testanlegg for karakterisering og rensing av urbant overvann i Oslo. Det er behov for å øke kunnskapen om overvannets innhold av forurensningsstoffer ...

    • Deponering av mudrede masser på dypt vann innerst i Ranfjorden 

      Staalstrøm, Andre; Kempa, Magdalena (NIVA-rapport;6942, Research report, 2015)
      Her vurderes utslipp av totalt 100 000 tonn rene masser i en posisjon innerst i Ranfjorden hvor det er 300 m vanndyp. I modellen legges utslippet inn som en kontinuerlig strøm av partikler fordelt jevnt fra overflaten til ...

    • Detaljreguleringsplan for sjøområder i Vats- og Yrkefjorden. Konsekvensutredning. Deltema: marint miljø 

      Bakke, Torgeir Heggelund; Dale, Trine; Golmen, Lars Gunder; Kvassnes, Astri J.S.; Johnsen, Torbjørn Martin; Åtland, Åse (NIVA-rapport;6470, Research report, 2014)