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

    4000 Roskilde

    Denmark

1977 …2020

Research output per year

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Research Output

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Conference abstract in proceedings
2016

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
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84 Downloads (Pure)
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
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753 Downloads (Pure)
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
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499 Downloads (Pure)
2011

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

Monitoring and assessment of radioactivity in the Baltic Sea coordinated by HELCOM: Abstract of poster presentation

Nielsen, S. P., Ikäheimonen, T. K., Outola, I., Vartti, V-P., Herrmann, J., Kanisch, G., Suplinska, M., Zalewska, T., Vilimaite-Silobritiene, B., Stepanov, A., Osokina, A., Lüning, M., Osvath, I. & Jakobsen, E., 2011, Proceedings. IRPA, p. 2446-2447 3081 p.

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

2010

Gamma- and X-ray analysis of Pu and U in single Thule particles

Roos, P. & Nielsen, S. P., 2010, GammaSem proceedings. Roskilde: NKS, p. 60-60 73 p.

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

Open Access
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141 Downloads (Pure)

Gamma spectrometry and beta counting used for monitoring of environmental radioactivity at Risø

Nielsen, S. P., 2010, Workshop on Radioanalytical Chemistry for Radioecology and Waste Management: Report, evaluation, abstracts and full papers of presentations. Hou, X. (ed.). Roskilde: NKS, p. 25-25 74 p. (NKS-218).

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

Open Access
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102 Downloads (Pure)

Gamma spectrometry at Risø for environmental radioactivity

Nielsen, S. P., 2010, GammaSem proceedings. Roskilde: NKS, p. 64-64 73 p.

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

Open Access
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207 Downloads (Pure)

Improving ingestion dose modelling for the ARGOS and RODOS decision support systems: A Nordic initiative

Andersson, K. G., Nielsen, S. P., Thørring, H., Hansen, H. S., Joensen, H. P., Isaksson, M., Kostiainen, E., Suolanen, V. & Pálsson, S. E., 2010, Abstracts. Nordic Society for Radiation Protection, p. 87-87 326 p.

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

New threats and new challenges for radiological decision support

Andersson, K. G., Astrup, P., Mikkelsen, T., Roos, P., Jernström, J., Jacobsen, L. H., Hoe, S. C., Schou-Jensen, L., Pehrsson, J. & Nielsen, S. P., 2010, Abstracts. Nordic Society for Radiation Protection, p. 189-189 326 p.

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

NKS REMSPEC: An emergency preparedness exercise utilising a complex synthetic gamma spectrum

Dowdall, M., Nielsen, S. P., del Risco Norrlid, L., Palsson, S. E., Renvall, T. & Sidhu, R. S., 2010, GammaSem proceedings. Roskilde: NKS, p. 70-70 73 p.

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

Open Access
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307 Downloads (Pure)

Pu Lx spectroscopy in the presence of other radioisotopes

Roos, P. & Nielsen, S. P., 2010, GammaSem 2010. A Nordic seminar for users of gamma spectrometry. Book of abstracts. Roskilde: NKS, p. 74-74 85 p.

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

Open Access
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91 Downloads (Pure)
2009

Effect of variable consumption habits in the Nordic populations on ECOSYS model predictions of ingestion dose

Nielsen, S. P., Andersson, K. G., Hansen, H. S., Thørring, H., Joensen, H. P., Isaksson, M., Kostiainen, E., Suolanen, V., Sigurgeirsson, M. A. & Palsson, S. E., 2009, Proceedings (online). Argentine Radiation Protection Society

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

Open Access
File
65 Downloads (Pure)
2006

New developments to support decision-making in contaminated inhabited areas following incidents involving a release of radioactivity to the environment (invited key-note)

Andersson, K. G., Brown, J., Mortimer, K., Jones, J. A., Charnock, T., Thykier-Nielsen, S., Astrup, P., Kaiser, J. C., Proehl, G. & Nielsen, S. P., 2006, Conference guide and book of abstracts. Melbourne: Australian Radiation Protection and Nuclear Safety Agency, 66 p.

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

2005

Application of 129I as a oceanographic tracer

Hou, X., Dahlgard, H. & Nielsen, S. P., 2005, Program og abstracts. København: GEUS, p. 95-97

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

Radioaktive stoffer i danske farvande

Nielsen, S. P., 2005, Program og abstracts. København: GEUS, p. 182-183

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

Open Access
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10 Downloads (Pure)
2003

Impact on man from radioactivity in the Baltic Sea. The Marina Balt project

Nielsen, S. P., 2003, Baltic-Danish co-operation on radiation protection. p. 15-20

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

Local box modelling

Nielsen, S. P., 2003, Baltic-Danish co-operation on radiation protection. p. 21-23

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

Radioecological sensitivity: Danish fallout data revisited

Nielsen, S. P., 2003, Baltic-Danish co-operation on radiation protection. p. 7-10

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

Radiological consequence analysis for OKG-project MLA (Surface deposit for low-level radioactive waste)

Nielsen, S. P., Brodersen, K. E., Eriksson, M. & Lauritzen, B., 2003, Baltic-Danish co-operation on radiation protection. p. 30-32

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

Sampling of aerosols and precipitation at Risø during four decades

Nielsen, S. P., 2003, [Papers and presentations]. Roskilde: Risø National Laboratory, p. 3-7

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

Statistical evaluation of intercomparisons

Nielsen, S. P., 2003, [Papers and presentations]. Roskilde: Risø National Laboratory, p. 57-62

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

Transfer of radiocaesium from soil to lamb in Nordic countries

Nielsen, S. P. & Øhlenschlæger, M., 2003, Baltic-Danish co-operation on radiation protection. p. 11-14

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

2002

242Pu as tracer for simultaneous determination of 237Np and 239,240Pu in environmental samples

Chen, Q. J., Dahlgaard, H., Nielsen, S. P. & Aarkrog, A., 2002, Proceedings. Ilus, E. (ed.). Roskilde: NKS, Vol. NKS-70. 136 p.

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

Chemical fractionation of iodine-129 and cesium-137 in Chernobyl contaminated soil and Irish Sea sediment

Hou, X., Fogh, C. L., Kucera, J., Andersson, K. G., Dahlgaard, H. & Nielsen, S. P., 2002, Abstracts. Maidstone: Royal Society of Chemistry, 84 p.

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

Determination of Am and Pu in soil, sediment and aerosol samples

Lujaniene, G., Chen, Q. J., Nielsen, S. P. & Kubariaviciene, V., 2002, Booklet of abstracts. Prague: Czech Technical University, 42 p.

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

French and British emissions of radioactive iodine-129 in the Baltic Sea

Hou, X., Dahlgaard, H. & Nielsen, S. P., 2002, Proceedings of the 8th Nordic Seminar on Radioecology. Ilus, E. (ed.). Roskilde: NKS, Vol. NKS-70. p. 195-195

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

Neutron activation analysis of iodine-129 in thyroid and urine

Hou, X., Dahlgaard, H., Nielsen, S. P. & Kucera, J., 2002, Book of abstracts. Antalya: NAMLS International Committee, 90 p.

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

On neptunium-237 in Nordic waters

Dahlgaard, H., Chen, Q. J., Stürup, S., Keith-Roach, M. & Nielsen, S. P., 2002, Proceedings. Ilus, E. (ed.). Roskilde: NKS, Vol. NKS-70. 60 p.

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

Study of influence of land-based sources of radionuclides on radioactive contamination of Kara sea through Ob and Yenisey river systems

Johannessen, O. M., Pettersson, L. H., Nielsen, S. P., Bobylev, L. P., Volkov, V. A., Maderich, V., Zheleznyak, M., Stepanov, A. & Bobylev, K., 2002, Proceedings. Børretzen, P., Jølle, T. & Strand, P. (eds.). Østerås: Norwegian Radiation Protection Authority, p. 428-429

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

2000

Chemical speciation of I-129 in seawater

Hou, X., Dahlgaard, H. & Nielsen, S. P., 2000, Program and abstracts. Kailua-Kona, HI: American Nuclear Society, 82 p.

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

1999

Determination of iodine and its chemical species in seawater

Hou, X., Dahlgaard, H., Rietz, B., Jacobsen, U., Nielsen, S. P. & Aarkrog, A., 1999, Final program and book of abstracts. Gaithersburg, MD: National Institute of Standards and Technology

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

1993

Sr-90, Cs-137 and Pu-239,240 content in Irtysh-Ob' rivers system

Trapeznikov, A. V., Yushkov, P. I., Aarkrog, A., Ekidin, A. A., Kulikov, N. V., Nielsen, S. P., Pozolotina, V. N., Polikarpov, G. G., Trapeznikova, V. N., Chebotina, M. Y. & Chukanov, V. N., 1993, Pollution of the seas around the coasts of the CIS with special emphasis on the Arctic. Part 2. Sevastopol: Advisory Committee on Protection of the Sea, 42 p.

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