• A 1-Dimensional Sympagic–Pelagic–Benthic Transport Model (SPBM): Coupled Simulation of Ice, Water Column, and Sediment Biogeochemistry, Suitable for Arctic Applications 

      Yakubov, Shamil; Wallhead, Philip; Protsenko, Elizaveta; Yakushev, Evgeniy; Pakhomova, Svetlana; Brix, Holger (Journal article; Peer reviewed, 2019)
      Marine biogeochemical processes can strongly interact with processes occurring in adjacent ice and sediments. This is especially likely in areas with shallow water and frequent ice cover, both of which are common in the ...
    • Assessment of seasonal variability of input of microplastics from the Northern Dvina River to the Arctic Ocean 

      Zhdanov, Igor; Lokhov, Alexey; Belesov, Artem; Kozhevnikov, Alexander; Pakhomova, Svetlana; Berezina, Anfisa; Frolova, Natalia; Kotova, Ekaterina; Leshchev, Andrey; Wang, Xinhong; Zavialov, Peter; Yakushev, Evgeniy (Peer reviewed; Journal article, 2022)
      Northern Dvina River is one of the largest rivers in the European Arctic flowing into the White Sea through the populated regions with developed industry. Floating plastics include microplastics (0.5–5 mm) and mesoplastics ...
    • Biogeochemical consequences of an oxygenated intrusion into an anoxic fjord 

      Pakhomova, Svetlana; Braaten, Hans Fredrik Veiteberg; Yakushev, Evgeny; Skei, Jens (Journal article; Peer reviewed, 2014)
      Background: This paper is based on the studies of the biogeochemical structure of the water column in the anoxic Fjord Hunnbunn (south-eastern Norway) performed in 2009, 2011 and 2012. This Fjord is an enclosed basin of ...
    • Differences in the Fate of Surface and Subsurface Microplastics: A Case Study in the Central Atlantic 

      Zhdanov, Igor; Pakhomova, Svetlana; Berezina, Anfisa; Silvestrova, Ksenia; Stepanova, Natalia; Yakushev, Evgeniy (Peer reviewed; Journal article, 2023)
      Plastic is recognized as a threat to marine ecosystems, and estimating the level of plastic and microplastics (MPs) pollution of the World Ocean is, nowadays, the goal of many studies. However, the use of different methods ...
    • Floating microplastics in Svalbard fjords: High spatial variability requires methodological consistency in estuarine systems 

      Pakhomova, Svetlana; Berezina, Anfisa; Zhdanov, Igor; Mekhova, Olga; Ilinskaya, Alisa; Golyakov, Alexey; Polivanova, Tatiana; Gebruk, Anna; Lusher, Amy Lorraine; Yakushev, Evgeniy (Peer reviewed; Journal article, 2024)
      Microplastic pollution was studied in surface waters of Isfjorden, Svalbard in July 2021 as a part of an international regional harmonisation exercise. Surface microplastics (0.5–5 mm) were sampled with a neuston net in ...
    • Forbedring av oksygenforhold ved kunstig omrøring i Oslofjorden 

      Staalstrøm, Andre; Walday, Mats; Yakushev, Evgeniy; Pakhomova, Svetlana; Berezina, Anfisa; Golmen, Lars (NIVA-rapport;7874-2023, Research report, 2023)
      Indre Oslofjorden har ca. 11,4 km² med havbunn hvor vannmassen over er periodevis eller permanent anoksisk. I denne rapporten blir effekt av nedpumping av overflatevann på oksygenforholdene modellert. Det blir dokumentert ...
    • Innovative reference materials for method validation in microplastic analysis including interlaboratory comparison exercises 

      Martínez Francés, Elena; van Bavel, Bert; Hurley, Rachel; Nizzetto, Luca; Pakhomova, Svetlana; Buenaventura, Nina Tuscano; Singdahl-Larsen, Cecilie; Magni, Marie-Louise Tambo; Johansen, Jon Eigill; Lusher, Amy Lorraine (Peer reviewed; Journal article, 2023)
      Reference materials (RMs) are vital tools in the validation of methods used to detect environmental pollutants. Microplastics, a relatively new environmental pollutant, require a variety of complex approaches to address ...
    • Microplastic variability in subsurface water from the Arctic to Antarctica 

      Pakhomova, Svetlana; Berezina, Anfisa; Lusher, Amy L.; Zhdanov, Igor; Silvestrova, Ksenia; Zavialov, Peter; van Bavel, Bert; Yakushev, Evgeniy (Peer reviewed; Journal article, 2022)
      Comparative investigations of microplastic (MP) occurrence in the global ocean are often hampered by the application of different methods. In this study, the same sampling and analytical approach was applied during five ...
    • Microplastics distribution in the Eurasian Arctic is affected by Atlantic waters and Siberian rivers 

      Yakushev, Evgeniy; Gebruk, Anna; Osadchiev, Alexander; Pakhomova, Svetlana; Lusher, Amy; Berezina, Anfisa; van Bavel, Bert; Vorozheikina, Elena; Chernykh, Denis; Kolbasova, Glafira; Razgon, Ilia; Semiletov, Igor (Peer reviewed; Journal article, 2021)
      Plastic pollution is globally recognised as a threat to marine ecosystems, habitats, and wildlife, and it has now reached remote locations such as the Arctic Ocean. Nevertheless, the distribution of microplastics in the ...
    • Microplastics in Norwegian coastal areas, rivers, lakes and air (MIKRONOR1) 

      Bavel, Bert van; Lusher, Amy Lorraine; Consolaro, Chiara; Hjelset, Sverre; Singdahl-Larsen, Cecilie; Buenaventura, Nina Tuscano; Röhler, Laura; Pakhomova, Svetlana; Lund, Espen; Eidsvoll, David; Herzke, Dorte; Nerland Bråte, Inger-Lise (NIVA-rapport;7811-2023, Research report, 2022)
      The Norwegian Environment Agency (Miljødirektoratet, NEA) tasked the Norwegian Institute for Water Research (NIVA) to initiate Norway’s National microplastic monitoring program. The program “Microplastics in Norwegian ...
    • Mikroplastpartikler inn til og ut fra Bekkelaget renseanlegg gjennom ett år 

      Vogelsang, Christian; Kristiansen, Trond; Singdahl-Larsen, Cecilie; Buenaventura, Nina; Pakhomova, Svetlana; Eidsvoll, David Pettersen; Staalstrøm, André; Beylich, Bjørnar André (NIVA-rapport;7541-2020, Research report, 2020)
      På oppdrag for Vann- og avløpsetaten i Oslo kommune er det gjennomført en detaljert kartlegging av partikler av mikroplast i innløpet til Bekkelaget renseanlegg under ulike forhold i løpet av et helt år, og hvor det blir ...
    • Model-Based Analysis of the Oxygen Budget in the Black Sea Water Column 

      Novikov, Matvey; Pakhomova, Svetlana; Berezina, Anfisa; Yakushev, Evgeniy (Peer reviewed; Journal article, 2024)
      Climate change and anthropogenic impacts drastically affect the biogeochemical regime of the Black Sea, which contains the largest volume of sulphidic water in the world. The Sea’s oxygen inventory depends on vertical ...
    • Modeling Nickel Leaching from Abandoned Mine Tailing Deposits in Jøssingfjorden 

      Pakhomova, Svetlana; Yakushev, Evgeniy; Schaanning, Morten (Peer reviewed; Journal article, 2021)
      Underwater disposal of mine tailings in lakes and seas has been considered favorable due to the geochemical stability obtained during long-term storage in anoxic sediments. Sulfides are stable in the ore; however, oxidation ...
    • Modeling the influence of eutrophication and redox conditions on mercury cycling at the sediment-water interface in the Berre Lagoon 

      Pakhomova, Svetlana; Yakushev, Evgeny; Protsenko, Elizaveta; Rigaud, Sylvain; Cossa, Daniel; Knoery, Joel; Couture, Raoul-Marie; Radakovitch, Olivier; Yakubov, Shamil; Krzeminska, Dominika; Newton, Alice (Journal article; Peer reviewed, 2018)
      This study presents a specifically designed Mercury module in a coupled benthic-pelagic reactive-transport model - Bottom RedOx Model (BROM) that allows to study mercury (Hg) biogeochemistry under different conditions. ...
    • Monitoring of microplastics in Danish marine waters using the Oslo-Kiel ferry as a ship-of-opportunity 

      van Bavel, Bert; Lusher, Amy; Jaccard, Pierre Franqois; Pakhomova, Svetlana; Singdahl-Larsen, Cecilie; Andersen, Jesper Harbo; Murray, Ciaran Joseph (NIVA-rapport;7524, Research report, 2020)
      The EU Marine Strategy Framework Directive require that EU Member States establish appropriate strategies and sampling programmes for microplastic in the marine environment. We report the results of a two-tiered pilot study ...
    • Monitoring of microplastics in the Norwegian environment (MIKRONOR) 

      Alling, Vanja Karin Gunilla; Lund, Espen; Lusher, Amy Lorraine; van Bavel, Bert; Snekkevik, Vilde Kloster; Hjelset, Sverre; Singdahl-Larsen, Cecilie; Consolaro, Chiara; Jefroy, Madeline; Francés, Elena Martínez; Rødland, Elisabeth Strandbråten; Pakhomova, Svetlana; Knight, Jemmima; Schmidt, Natascha; Herzke, Dorte (NIVA-rapport;7922-2023, Research report, 2023)
      In 2021 The Norwegian Environment Agency (Miljødirektoratet) assigned the first analyses of microplastics within a national monitoring program “Microplastics in Norwegian coastal areas, rivers, lakes and air (MIKRONOR)” ...
    • Polymer Type Identification of Marine Plastic Litter Using a Miniature Near-Infrared Spectrometer (MicroNIR) 

      Pakhomova, Svetlana; Zhdanov, Igor; van Bavel, Bert (Peer reviewed; Journal article, 2020)
      Plastic pollution in the marine environment has turned into an important research topic in recent decades. Until recently, studies were often based on visual assessment only, which is not enough to draw any conclusion about ...
    • Surface microplastics in the Kara Sea: from the Kara Gate to the 83°N 

      Berezina, Anfisa; Pakhomova, Svetlana; Zhdanov, Igor; Mekhova, Olga; Polivanova, Tatiana; Novikov, Matvei; Pogojeva, Maria; Osadchiev, Alexander; Stepanova, Natalia; Yakushev, Evgeniy (Peer reviewed; Journal article, 2023)
      Despite ongoing research into microplastics pollution in the Arctic Ocean, the region remains underexplored. In the Eurasian Arctic studies mainly focus on the Barents Sea, while there are only limited and variable data ...
    • Understanding the Biogeochemical Impacts of Fish Farms Using a Benthic-Pelagic Model 

      Yakushev, Evgeniy; Wallhead, Philip; Renaud, Paul Eric; Ilinskaya, Alisa; Protsenko, Elizaveta; Yakubov, Shamil; Pakhomova, Svetlana; Sweetman, Andrew K; Dunlop, Kathy; Berezina, Anfisa; Bellerby, Richard; Dale, Trine (Peer reviewed; Journal article, 2020)
      Sustainable development of the salmon farming industry requires knowledge of the biogeochemical impacts of fish farm emissions. To investigate the spatial and temporal scales of farm impacts on the water column and benthic ...
    • Vurdering av utslippspunkt for nytt renseanlegg i Drammensfjorden 

      Staalstrøm, Andre; Pakhomova, Svetlana (NIVA-rapport;7894-2023, Research report, 2023)
      Det planlegges å bygge et nytt sentralt renseanlegg i Drammen, og i denne rapporten har virkningen av utslippsdyp fra 30 til 90 m blitt vurdert. På grunn av økt vertikal blanding så vil oksygenforholdene i vannmassene bli ...