Photo of Sven Poul Nielsen
  • Frederiksborgvej 399, 201, S58

    4000 Roskilde

    Denmark

1977 …2020

Research output per year

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Research Output

2020

A 40-year marine record of 137Cs and 99Tc transported into the Danish Straits: Significance for oceanic tracer studies

Qiao, J., Andersson, K. G. & Nielsen, S. P., 2020, In : Chemosphere. 244, 125595.

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
File
97 Downloads (Pure)
2019

Airborne concentrations and chemical considerations of radioactive ruthenium from an undeclared major nuclear release in 2017

Masson, O., Steinhauser, G., Zok, D., Saunier, O., Angelov, H., Babic, D., Beckova, V., Bieringer, J., Bruggeman, M., Burbidge, C. I., Conil, S., Dalheimer, A., De Geer, L. -E., Ott, A. D. V., Eleftheriadis, K., Estier, S., Fischer, H., Garavaglia, M. G., Leonarte, C. G., Gorzkiewicz, K. & 49 others, Hainz, D., Hoffman, I., Hyza, M., Isajenko, K., Karhunen, T., Kastlander, J., Katzlberger, C., Kierepko, R., Knetsch, G. -J., Konyi, J. K., Lecomte, M., Mietelski, J. W., Min, P., Møller, B., Nielsen, S. P., Nikolic, J., Nikolovska, L., Penev, I., Petrinec, B., Povinec, P. P., Querfeld, R., Raimondi, O., Ransby, D., Ringer, W., Romanenko, O., Rusconi, R., Saey, P. R. J., Samsonov, V., Silobritiene, B., Simion, E., Soderstrom, C., Sostaric, M., Steinkopff, T., Steinmann, P., Sykora, I., Tabachnyi, L., Todorovic, D., Tomankiewicz, E., Tschiersch, J., Tsibranski, R., Tzortzis, M., Ungar, K., Vidic, A., Weller, A., Wershofen, H., Zagyvai, P., Zalewska, T., Garcia, D. Z. & Zorko, B., 2019, In : Proceedings of the National Academy of Sciences of the United States of America. 116, 34, p. 16750-16759

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
File
117 Downloads (Pure)

Background reduction at DTU Nutech surface gamma laboratory

Marković, N., Roos, P., Nielsen, S. P. & Cai, X. X., 2019, In : Applied Radiation and Isotopes. 151, p. 30-38

Research output: Contribution to journalJournal articleResearchpeer-review

File
172 Downloads (Pure)

Radiochemcial methods-Radionuclide Monitoring

Qiao, J. & Nielsen, S., 2019, Encyclopedia of Analytical Science. 3 ed. Elsevier, Vol. 9. p. 31-39

Research output: Chapter in Book/Report/Conference proceedingBook chapterResearchpeer-review

Open Access
File
21 Downloads (Pure)

Radioactivity in the Risø District January-June 2018

Nielsen, S. P., Andersson, K. G. & Miller, A., 2018, DTU Nutech. 23 p. (DTU-Nutech-R; No. 18(EN)).

Research output: Book/ReportReportResearch

Open Access
File
56 Downloads (Pure)

Så meget radioaktivitet kan man måle i danskerne

Nielsen, S. P., 2018, In : videnskab.dk. 2018, april

Research output: Contribution to journalJournal articleCommunication

Open Access

Thematic Assessment of Radioactive Substances in the Baltic Sea, 2011-2015

Eriksson, M., lkaheimonen, T., Jakobson, E., Nielsen, S. P., Kämäräinen, M., Lüning, M., Aust, M-O., Osvath, L., Schmied, S., Vilimaite-Silobritiene, B., Suplinska, M., Zalewska, T. & Vartti, V-P., 2018, Helsinki Commission. Baltic Marine Environment Protection Commission. 74 p. (Baltic Sea Environment Proceedings; No. 151).

Research output: Book/ReportReportResearch

Open Access
File
168 Downloads (Pure)
2017

Anthropogenic 236U in Danish Seawater: Global Fallout versus Reprocessing Discharge

Qiao, J., Steier, P., Nielsen, S. P., Hou, X., Roos, P. & Golser, R., 2017, In : Environmental Science and Technology. 51, 12, p. 6867-6876 10 p.

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
File
289 Downloads (Pure)

Coincidence gamma-ray spectrometry

Markovic, N., Roos, P. & Nielsen, S. P., 2017, Proceedings of the 11th Symposium of the Croatian Radiation Protection Association. p. 182-186 5 p.

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

Open Access
File
623 Downloads (Pure)

Digital gamma-gamma coincidence HPGe system for environmental analysis

Markovic, N., Roos, P. & Nielsen, S. P., 2017, In : Applied Radiation and Isotopes. 126, p. 194-196 3 p.

Research output: Contribution to journalJournal articleResearchpeer-review

Low-level gamma-ray spectrometry for the determination of 210Pb

Markovic, N., Roos, P. & Nielsen, S. P., 2017, In : Journal of Radioanalytical and Nuclear Chemistry. 311, p. 1473–1478

Research output: Contribution to journalJournal articleResearchpeer-review

Radioactivity in the Risø District January-June 2017

Nielsen, S. P., Andersson, K. G. & Miller, A., 2017, DTU Nutech. 26 p. (DTU-Nutech-R; No. 16(EN)rev).

Research output: Book/ReportReportResearch

Open Access
File
36 Downloads (Pure)

Radioactivity in the Risø District July- December 2016

Nielsen, S. P., Andersson, K. G. & Miller, A., 2017, DTU Nutech. 26 p. (DTU-Nutech-R; No. 15(EN)).

Research output: Book/ReportReportResearch

Open Access
File
99 Downloads (Pure)
2016

Certified reference materials for radionuclides in Bikini Atoll sediment (IAEA-410) and Pacific Ocean sediment (IAEA-412)

Pham, M. K., van Beek, P., Carvalho, F. P., Chamizo, E., Degering, D., Engeler, C., Engeler, C., Gurriaran, R., Hanley, O., Harms, A. V., Herrmann, J., Hult, M., Ikeuchi, Y., Ilchmann, C., Kanisch, G., Kis-Benedek, G., Kloster, M., Laubenstein, M., Llaurado, M., Mas, J. L. & 14 others, Nakano, M., Nielsen, S. P., Osvath, I., Povinec, P. P., Rieth, U., Schikowski, J., Smedley, P. A., Suplinska, M., Sýkora, I., Tarjan, S., Varga, B., Vasileva, E., Zalewska, T. & Zhou, W., 2016, In : Applied Radiation and Isotopes. 109, p. 101–104

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
File
263 Downloads (Pure)

Marine dispersion of 236U in Danish Straits

Qiao, J., Steier, P., Nielsen, S. P., Hou, X., Roos, P. & Golser, R., 2016, 9th International Conference on Nuclear and Radiochemistry - NRC9: Abstracts. p. 287-287 1 p.

Research output: Chapter in Book/Report/Conference proceedingConference abstract in proceedingsResearchpeer-review

Open Access
File
81 Downloads (Pure)

Radioactivity in the Risø District January-June 2016

Nielsen, S. P., Andersson, K. G. & Miller, A., 2016, DTU Nutech. 26 p. (DTU-Nutech-R; No. 14(EN)).

Research output: Book/ReportReportResearch

Open Access
File
120 Downloads (Pure)

Radioactivity in the Risø District July-December 2015

Nielsen, S. P., Andersson, K. G. & Miller, A., 2016, DTU Nutech. 26 p. (DTU-Nutech-R; No. 13(EN)).

Research output: Book/ReportReportResearch

Open Access
File
129 Downloads (Pure)
2015

Management of Tritium in European Spallation Source

Ene, D., Andersson, K. G., Jensen, M., Nielsen, S. P. & Severin, G., 2015, In : Fusion Science and Technology. 67, 2, p. 324-327 4 p.

Research output: Contribution to journalConference articleResearchpeer-review

Open Access
File
286 Downloads (Pure)

Method for 236U Determination in Seawater Using Flow Injection Extraction Chromatography and Accelerator Mass Spectrometry

Qiao, J., Hou, X., Steier, P., Nielsen, S. P. & Golser, R., 2015, In : Analytical Chemistry. 87, 14, p. 7411-7417 7 p.

Research output: Contribution to journalJournal articleResearchpeer-review

Radioactivity in the Risø District January-June 2015

Nielsen, S. P., Andersson, K. G. & Miller, A., 2015, DTU Nutech. 26 p. (DTU-Nutech-R; No. 12(EN)).

Research output: Book/ReportReportResearch

Open Access
File
125 Downloads (Pure)

Radioactivity in the Risø District July-December 2014

Nielsen, S. P., Andersson, K. G. & Miller, A., Jun 2015, DTU Nutech. 24 p. (DTU-Nutech-R; No. 10(EN)).

Research output: Book/ReportReportResearch

Open Access
File
117 Downloads (Pure)
2014

Certified Reference Material IAEA-446 for radionuclides in Baltic Sea seaweed

Pham, M. K., Benmansour, M., Carvalho, F. P., Chamizo, E., Degering, D., Engeler, C., Gasco, C., Gwynn, J. P., Harms, A. V., Hrnecek, E., Ibanez, F. L., Ilchmann, C., Ikaheimonen, T., Kanisch, G., Kloster, M., Llaurado, M., Mauring, A., Møller, B., Morimoto, T., Nielsen, S. P. & 15 others, Nies, H., Norrlid, L. D. R., Pettersson, H. B. L., Povinec, P. P., Rieth, U., Samuelsson, C., Schikowski, J., Šilobritiene, B. V., Smedley, P. A., Suplinska, M., Vartti, V-P., Vasileva, E., Wong, J., Zalewska, T. & Zhou, W., 2014, In : Applied Radiation and Isotopes. 87, p. 468-474

Research output: Contribution to journalConference articleResearchpeer-review

2 Downloads (Pure)

Radioactivity in the Risø District January-June 2014

Nielsen, S. P., Andersson, K. G. & Miller, A., 2014, DTU Nutech. 24 p. (DTU-Nutech-R; No. 0009(EN)).

Research output: Book/ReportReportResearch

Open Access
File
66 Downloads (Pure)

Radioactivity in the Risø District July-December 2013

Nielsen, S. P., Andersson, K. G. & Miller, A., 2014, DTU Nutech. 24 p. (DTU-Nutech-R; No. 0008(EN)).

Research output: Book/ReportReportResearch

Open Access
File
370 Downloads (Pure)

Rapid Multisample Analysis for Simultaneous Determination of Anthropogenic Radionuclides in Marine Environment

Qiao, J., Shi, K., Hou, X., Nielsen, S. P. & Roos, P., 2014, In : Environmental Science & Technology (Washington). 48, 7, p. 3935-3942

Research output: Contribution to journalJournal articleResearchpeer-review

2013

Alpha, beta and gamma measurements of environmental radioactivity

Nielsen, S. P., 2013, Abstract Book of the NKS Workshop on Radioanalytical Chemistry, Risø, Roskilde, Denmark, 2-6th Sept. 2013. Hou, X. (ed.). NKS Secretariat, p. 23 1 p. (NKS; No. 290).

Research output: Chapter in Book/Report/Conference proceedingConference abstract in proceedingsResearchpeer-review

Open Access
File
750 Downloads (Pure)

A simple model to estimate deposition based on a statistical reassessment of global fallout data

Palsson, S. E., Howard, B. J., Bergan, T. D., Paatero, J., Isaksson, M. & Nielsen, S. P., 2013, In : Journal of Environmental Radioactivity. 121, p. 75-86

Research output: Contribution to journalJournal articleResearchpeer-review

Environmental radioactivity during 50 years

Nielsen, S. P., 2013

Research output: Non-textual formSound/Visual production (digital)Communication

File
51 Downloads (Pure)

ESS Technical Design Report

Åberg, M., Ahlfors, N., Ainsworth, R., Alba-Simionesco, C., Alimov, S., Aliouane, N., Alling, B., Andersson, K. G., Andersen, N. H., Hansen, B. R., Jensen, M., Klinkby, E. B., Bergbäck Knudsen, E., Lauritzen, B., Nielsen, J. B., Nielsen, S. P., Nonbøl, E., Norby, P., Poulsen, H. F., Poulsen, S. O. & 4 others, Rasmussen, O., Saxild, F. B., Severin, G. & Willendrup, P. K., 2013, European Spallation Source. 690 p.

Research output: Book/ReportReportResearchpeer-review

Open Access
File
2537 Downloads (Pure)

Introduction

Nielsen, S. P. & Ikäheimonen, T. K., 2013, Thematic assessment of long-term changes in radioactivity in the Baltic Sea, 2007-2010. Helsinki Commission. Baltic Marine Environment Protection Commission, p. 4-5 (Baltic Sea Environment Proceedings; No. 135).

Research output: Chapter in Book/Report/Conference proceedingBook chapterResearch

Open Access
File
78 Downloads (Pure)

Modelling and Dose Calculations

Kanisch, G. & Nielsen, S. P., 2013, Thematic assessment of long-term changes in radioactivity in the Baltic Sea, 2007-2010. Helsinki Commission. Baltic Marine Environment Protection Commission, p. 27-29 (Baltic Sea Environment Proceedings; No. 135).

Research output: Chapter in Book/Report/Conference proceedingBook chapterResearch

Open Access
File
186 Downloads (Pure)

Radioactivity in the Risø District January-June 2013

Nielsen, S. P., Andersson, K. G. & Miller, A., 2013, DTU Nutech. 24 p. (DTU-Nutech-R; No. 0006(EN)).

Research output: Book/ReportReportResearch

Open Access
File
72 Downloads (Pure)

Radioactivity in the Risø District July-December 2012

Nielsen, S. P., Andersson, K. G. & Miller, A., 2013, DTU Nutech. 24 p. (DTU-Nutech-R; No. 0005(EN)).

Research output: Book/ReportReportResearch

Open Access
File
69 Downloads (Pure)

Radiometric Measurements of Environmental Radioactivity: Beta Counting, Alpha and Gamma Spectrometry

Nielsen, S. P., 2013

Research output: Non-textual formSound/Visual production (digital)Research

File
228 Downloads (Pure)

Release of iodine from organic matter in natural water by K2S2O8 oxidation for 129I determination

Dang, H., Hou, X., Roos, P. & Nielsen, S. P., 2013, In : Analytical Methods. 5, 2, p. 449-456

Research output: Contribution to journalJournal articleResearchpeer-review

Seasonal variation of technetium-99 in Fucus vesiculosus and its application as an oceanographic tracer

Shi, K., Hou, X., Roos, P., Wu, W. & Nielsen, S. P., 2013, In : Estuarine, Coastal and Shelf Science. 127, p. 24-28

Research output: Contribution to journalJournal articleResearchpeer-review

2012

Assessment of radiological impact from nuclear installations

Nielsen, S. P., 2012, Book of abstracts. 4th Nordic Seminar on Generation IV Nuclear Reactors. DTU Nutech, p. 29 1 p.

Research output: Chapter in Book/Report/Conference proceedingConference abstract in proceedingsResearch

Open Access
File
498 Downloads (Pure)

Assessment of radiological impact from nuclear installations

Nielsen, S. P., 2012

Research output: Non-textual formSound/Visual production (digital)Research

File
59 Downloads (Pure)

GammaWorkshops Proceedings

Ramebäck, H. (ed.), Strålberg, E., Klemola, S., Nielsen, S. P. & Pálsson, S. E., 2012, NKS Secretariat. 16 p. (NKS-259).

Research output: Book/ReportReportResearch

Open Access
File
1217 Downloads (Pure)

Intercalibration of selected anthropogenic radionuclides for the GEOTRACES Program

Kenna, T. C., Masqué, P., Mas, J. L., Camara-Mor, P., Camizo, E., Scholten, J., Eriksson, M., Sanchez-Cabeza, J-A., Gastaud, J., Levy, I., Herrmann, J., Lindahl, P., Hong, G-H. & Nielsen, S. P., 2012, In : Limnology and Oceanography: Methods. 10, p. 590–607

Research output: Contribution to journalJournal articleResearchpeer-review

New simple deposition model based on reassessment of global fallout data 1954 – 1976: Final report from the NKS-B activity DepEstimates

Pálsson, S. E., Bergan, T. D., Howard, B. J., Ikäheimonen, T. K., Isaksson, M., Nielsen, S. P. & Paatero, J., 2012, NKS Secretariat. 51 p. (NKS; No. 269).

Research output: Book/ReportReport

Open Access
File
371 Downloads (Pure)

Radioactivity in the Risø District January-June 2012

Nielsen, S. P., Andersson, K. G. & Miller, A., 2012, DTU Nutech. 24 p. (DTU-Nutech-R; No. 0003(EN)).

Research output: Book/ReportReportResearch

Open Access
File
73 Downloads (Pure)

Radioactivity in the Risø District July-December 2011

Nielsen, S. P., Andersson, K. G. & Miller, A., 2012, DTU Nutech. 24 p. (DTU-Nutech-R; No. 1).

Research output: Book/ReportReportResearch

Open Access
File
95 Downloads (Pure)

Revisiting the dose calculation methodologies in European decision support systems

Andersson, K. G., Roos, P., Hou, X., Nielsen, S. P. & Qiao, J., 2012, Proceedings of the IRPA13 conference. International Radiation Protection Association, 6 p.

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

File
140 Downloads (Pure)
2011

A certified reference material for radionuclides in the water sample from Irish Sea (IAEA-443)

Pham, M. K., Betti, M., Povinec, P. P., Benmansour, M., Bünger, V., Drefvelin, J., Engeler, C., Flemal, J. M., Gascó, C., Guillevic, J., Gurriaran, R., Groening, M., Happel, J. D., Herrmann, J., Klemola, S., Kloster, M., Kanisch, G., Leonard, K., Long, S., Nielsen, S. P. & 11 others, Oh, J-S., Rieth, P. U., Östergren, I., Pettersson, H., Pinhao, N., Pujol, L., Sato, K., Schikowski, J., Varga, Z., Vartti, V. P. & Zheng, J., 2011, In : Journal of Radioanalytical and Nuclear Chemistry. 288, 2, p. 603-611

Research output: Contribution to journalJournal articleResearchpeer-review

Afvigelser og sygdomme i Grønlands fangstdyr og mulige årsager: Fokus: Avanersuaq

Sonne, C., Rosing-Asvid, A., Nielsen, S. P., Bechshøft, T. Ø., Leifsson, P. S. & Dietz, R., 2011, Aarhus University. 10 p.

Research output: Book/ReportReportResearch

Open Access
File
231 Downloads (Pure)

Baltic Sea: Radionuclides

Nielsen, S. P., Lüning, M., Ilus, E., Outola, I., Ikäheimonen, T., Mattila, J., Herrmann, J., Kanisch, G. & Osvath, I., 2011, Encyclopedia of Inorganic and Bioinorganic Chemistry. Wiley

Research output: Chapter in Book/Report/Conference proceedingBook chapterResearchpeer-review

Improved model for estimation of fallout from atmospheric nuclear testing

Palsson, S. E., Howard, B. J., Ikäheimonen, T. K. & Nielsen, S. P., 2011, Proceedings. IRPA, p. 2363-2363 3081 p.

Research output: Chapter in Book/Report/Conference proceedingConference abstract in proceedingsResearch