Blar i Publikasjoner fra Cristin - NIVA på tittel
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Norsk naturindeks. Statistiske beregningsmetoder for utnyttelse av vanndirektivdata i naturindeksen – ferskvannsindeksen vannplanter (TIc) som eksempel
(NIVA-rapport;7324, Research report, 2018)Arbeidet i dette prosjektet har vist hvordan ulike metoder for beregning av tilstand og referansetilstand kan bli brukt for å øke den geografiske representativiteten for punktmålte indikatorer i naturindeksen. Ferskvanns ... -
The Norwegian river monitoring programme 2019 – water quality status and trends
(NIVA-rapport;7564, Research report, 2020)In the Norwegian River Monitoring Programme (in Norwegian: Elveovervåkingsprogrammet) 20 rivers along the Norwegian coastline are monitored for chemical and hydrological parameters. It is a continuation of river monitoring ... -
The Norwegian river monitoring programme 2020 – water quality status and trends
(NIVA-rapport;7738-2022, Research report, 2022)In the Norwegian River Monitoring Programme (in Norwegian: Elveovervåkingsprogrammet) 20 rivers along the Norwegian coastline are monitored for chemical and hydrological parameters. It is a continuation of the RID programme ... -
The Norwegian river monitoring programme 2021 – water quality status and trends
(NIVA-rapport;7760-2022, Research report, 2022)In the Norwegian River Monitoring Programme (in Norwegian: Elveovervåkingsprogrammet) 20 rivers along the Norwegian coast are monitored for physical and chemical parameters. This report presents the current status (2021) ... -
The Norwegian River Monitoring Programme Priority substances and emerging contaminants in selected Norwegian rivers
(NIVA-rapport;7688, Research report, 2022)Riverine inputs and direct discharges to Norwegian coastal waters in 2020 have been estimated in accordance with the OSPAR Commission’s principles. This report focuses on EU Water Framework Directive priority substances ... -
The Norwegian river monitoring programme – water quality status and trends in 2018
(NIVA-rapport;7441, Research report, 2019)In the Norwegian River Monitoring Programme (Elveovervåkingsprogrammet) 20 rivers along the Norwegian coastline are monitored for chemical and hydrological parameters. It is a continuation of a former monitoring programme, ... -
The Norwegian Water Column Monitoring programme 2021: Assessing the impacts of Ekofisk and Eldfisk offshore oil and gas installations on the marine environment
(NIVA-rapport;7878-2023, Research report, 2023)The Norwegian offshore Water Column Monitoring (WCM) programme investigated the potential effects of Ekofisk and Eldfisk oil and gas installations on the marine environment. Produced water (PW) impacts were assessed in the ... -
Notodden Lufthavn - Sedimentundersøkelser i forbindelse med planlagt utfylling i Heddøla
(NIVA-rapport;7787-2022, Research report, 2022)I forbindelse med utvidelse av Notodden Lufthavn vil det være behov for å fylle ut deler av Heddøla. I den sammenheng har NIVA undersøkt et utvalg miljøgifter i sediment fra tre prøvetakingsstasjoner i Heddøla. Det var ... -
A novel method for the quantification of tire and polymer-modified bitumen particles in environmental samples by pyrolysis gas chromatography mass spectroscopy
(Peer reviewed; Journal article, 2021)Tire and road wear particles may constitute the largest source of microplastic particles into the environment. Quantification of these particles are associated with large uncertainties which are in part due to inadequate ... -
De novo Development of a Quantitative Adverse Outcome Pathway (qAOP) Network for Ultraviolet B (UVB) Radiation Using Targeted Laboratory Tests and Automated Data Mining
(Peer reviewed; Journal article, 2020)Ultraviolet B (UVB) radiation is a natural non-chemical stressor posing potential hazards to organisms such as planktonic crustaceans. The present study was conducted to revisit the lethal effects of UVB on crustaceans, ... -
Nuisance growth of Juncus bulbosus: the roles of genetics and environmental drivers tested in a large-scale survey
(Journal article; Peer reviewed, 2013)1. Invasive species can transform aquatic ecosystems, and the nuisance growth of the freshwater macrophyte Juncus bulbosus has become a problem in many lakes and rivers in northern Europe. It affects biodiversity strongly ... -
Nutrient criteria for surface waters under the European Water Framework Directive: Current state-of-the-art, challenges and future outlook
(Peer reviewed; Journal article, 2019)The aim of European water policy is to achieve good ecological status in all rivers, lakes, coastal and transitional waters by 2027. Currently, more than half of water bodies are in a degraded condition and nutrient ... -
Nutrient retention by the littoral vegetation of a large lake: Can Lake Ohrid cope with current and future loading?
(Peer reviewed; Journal article, 2020)Nitrogen and phosphorus budgets were compiled for the littoral (29 km2) and pelagic (329 km2) of ancient, deep, clear, and hard water Lake Ohrid (Albania and North Macedonia), to assess the importance of the littoral in ... -
Ny E39 Mandal øst – Mandal by: Førkartlegging av vannforekomster
(NIVA-rapport;7471, Research report, 2020)I forbindelse med at skal bygges ny E39 øst for Mandal er det gjennomført en førkartlegging av vannforekomster som blir berørt av veiprosjektet. Programmet har pågått i perioden oktober 2018 – oktober 2019 og har bestått ... -
Ny kalkingsstrategi for laks i Sokndalsvassdraget
(NIVA-rapport;7145, Research report, 2017-04)Sokndalsvassdraget er et av de sørligste laksevassdragene i Norge. Det ble tidlig sterkt rammet av forsuring, og laksen var utryddet allerede i 1880-årene. Kalking ble påbegynt i 1987, og laksen har nå kommet tilbake til ... -
Næringsnett og miljøgifter i Gunneklevfjorden. Beslutningsgrunnlag og tiltaksplan for forurensede sedimenter i Gunneklevfjorden, Delrapport aktivitet 2
(NIVA-rapport;6795, Research report, 2015)Næringsnett og miljøgifter i organismer er undersøkt i Gunneklevfjorden i 2013. Det er samlet inn zooplankton, bunndyr og fisk for kjemiske analyser av kvikksølv og klorerte forbindelser. Kartlegging av næringsnettet er ... -
Observation of Floating Inorganic Macro-debris in The Downstream Citarum River using Manual Counting
(Peer reviewed; Journal article, 2022)Inorganic Macro-debris (IMD) such as plastics can negatively affect aquatic life and human wellbeing. Information about IMD transport in river systems is required to optimize prevention, mitigation, and reduction strategies. ... -
Observations of turbulence caused by a combination of tides and mean baroclinic flow over a fjord sill
(Journal article; Peer reviewed, 2015)This study investigates the dissipation rates and flow conditions at the Drøbak Sill in the Oslofjord. The area was transected 13 times with a free-falling microstructure shear probe during 4 days in June 2011. At the same ... -
Observing Temporally Varying Synoptic-Scale Total Alkalinity and Dissolved Inorganic Carbon in the Arctic Ocean
(Peer reviewed; Journal article, 2023)The long-term absorption by the oceans of atmospheric carbon dioxide is leading to the slow decline of ocean pH, a process termed ocean acidification (OA). The Arctic is a challenging region to gather enough data to examine ... -
Occurrence and distribution of Pseudoscalibregma and Scalibregma (Annelida, Scalibregmatidae) in the deep Nordic Seas, with the description of Scalibregma hanseni n. sp.
(Journal article; Peer reviewed, 2014)Until recent years, only a few scalibregmatid species have been known from the Nordic Seas, largely from shelf and coastal waters. Access to a large collection from deep areas has made it possible to provide more knowledge ...