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  1. No Access

    Article

    Iodine concentrations in Danish groundwater: historical data assessment 1933–2011

    In areas where water is a major source of dietary iodine (I), the I concentration in drinking water is an important factor for public health and epidemiological understandings. In Denmark, almost all of the dr...

    Denitza Dimitrova Voutchkova in Environmental Geochemistry and Health (2014)

  2. Article

    Open Access

    Nitrate vulnerability assessment of aquifers

    Protection of groundwater against nitrate has a high priority in a country like Denmark with intensive agricultural production and with drinking water production based on groundwater. This paper presents a Sit...

    Birgitte Hansen, Torben O. Sonnenborg, Ingelise Møller in Environmental Earth Sciences (2016)

  3. No Access

    Article

    Iodine in major Danish aquifers

    Iodine in groundwater can have direct importance for human dietary iodine intake in areas where drinking water is of groundwater origin, as in Denmark. Knowledge on the sources and processes for the varying io...

    Denitza Dimitrova Voutchkova, Vibeke Ernstsen in Environmental Earth Sciences (2017)

  4. Article

    Open Access

    Groundwater nitrate response to sustainable nitrogen management

    Throughout the world, nitrogen (N) losses from intensive agricultural production may end up as undesirably high concentrations of nitrate in groundwater with a long-term impact on groundwater quality. This has...

    Birgitte Hansen, Lærke Thorling, Jörg Schullehner, Mette Termansen in Scientific Reports (2017)

  5. No Access

    Chapter

    DNMARK: Danish Nitrogen Mitigation Assessment: Research and Know-how for a Sustainable, Low-Nitrogen Food Production

    The aim of this chapter is to present the Danish Nitrogen Assessment (www.DNMARK.org), an ongoing five-year multidisciplinary research alliance, focusing on the quantification of nitrogen (N) flows and solut...

    Tommy Dalgaard, Steen Brock, Birgitte Hansen, Berit Hasler in Just Enough Nitrogen (2020)

  6. Article

    Open Access

    Prenatal nitrosatable prescription drug intake, drinking water nitrate, and the risk of stillbirth: a register- and population-based cohort of Danish pregnancies, 1997–2017

    Nitrosatable drugs commonly prescribed during pregnancy can react with nitrite to form N-nitroso compounds which have been associated with an increased risk of stillbirth. Whether maternal residential drinking wa...

    Anne Marie Ladehoff Thomsen, Cecilia Høst Ramlau-Hansen in Environmental Health (2021)

  7. Article

    Open Access

    Association between magnesium in drinking water and atrial fibrillation incidence: a nationwide population-based cohort study, 2002–2015

    Atrial fibrillation (AF) is a common heart rhythm disorder and a risk factor of adverse cardiovascular diseases. Established causes do not fully explain the risk of AF and unexplained risk factors might be rel...

    Kirstine Wodschow, Cristina M. Villanueva, Mogens Lytken Larsen in Environmental Health (2021)

  8. Article

    Open Access

    Drinking water nitrate and risk of pregnancy loss: a nationwide cohort study

    Nitrate contamination is seen in drinking water worldwide. Nitrate may pass the placental barrier. Despite suggestive evidence of fetal harm, the potential association between nitrate exposure from drinking wa...

    Ninna Hinchely Ebdrup, Jörg Schullehner, Ulla Breth Knudsen in Environmental Health (2022)

  9. No Access

    Article

    Groundwater nitrate problem and countermeasures in strongly affected EU countries—a comparison between Germany, Denmark and Ireland

    Water resources protection co-occurring with intensive agriculture brings major challenges in Europe including groundwater contamination with nitrate (NO3). Due to non-compliance with the EU Nitrates Directive, ...

    Felix Ortmeyer, Birgitte Hansen, Andre Banning in Grundwasser (2023)

  10. Article

    Open Access

    Statistical modeling of three-dimensional redox architecture from non-colocated redox borehole and transient electromagnetic data

    Agricultural nitrate pollutants infiltrate into the subsurface and contaminate groundwater. The redox environment in the subsurface is important for the natural removal of nitrate by denitrification. Detailed ...

    Li**g Wang, Hyo** Kim, Birgitte Hansen, Anders V. Christiansen in Hydrogeology Journal (2023)

  11. Article

    Open Access

    Assessing groundwater denitrification spatially is the key to targeted agricultural nitrogen regulation

    Globally, food production for an ever-growing population is a well-known threat to the environment due to losses of excess reactive nitrogen (N) from agriculture. Since the 1980s, many countries of the Global ...

    Birgitte Hansen, Jens Aamand, Gitte Blicher-Mathiesen in Scientific Reports (2024)