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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Article in proceedings
2017

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
638 Downloads (Pure)
2012

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
144 Downloads (Pure)
2011

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. & Palsson, S. E., 2011, Proceedings. IRPA, p. 691-698

Research output: Chapter in Book/Report/Conference proceedingArticle 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., 2011, Proceedings. IRPA, p. 1738-1745

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearch

Occurrence of plutonium in the terrestrial environment at Thule, Greenland

Roos, P., Jernström, J. & Nielsen, S. P., 2011, Proceedings. IRPA, p. 2356-2361

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearch

2009

NKS-B LUCIA: Assessing the impact of releases of radionuclides into sewage systems in urban environment: Simulation, modelling and experimental studies

Sundell-Bergman, S., Avila, R., De la Cruz, I., Xu, S., Puhakainen, M., Heikkinen, T., Rahola, T., Hosseini, A., Nielsen, S. P. & Sigurgeirsson, M., 2009, Proceedings of the NKS-R and NKS-B Joint Summary Seminar. Roskilde: Nordisk Kernesikkerhedsforskning, p. 73-75 82 p. (NKS-201).

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearch

Open Access
File
176 Downloads (Pure)

NKS-B PardNor: Improved ingestion dose modelling for Nordic decision support

Andersson, K. G., Nielsen, S. P., Hansen, H. S., Isaksson, M., Joensen, H. P., Kostiainen, E., Palsson, S. E., Suolanen, V. & Thørring, H., 2009, Proceedings of the NKS-R and NKS-B Joint Summary Seminar. Roskilde: Nordisk Kernesikkerhedsforskning, p. 47-50 82 p. (NKS-201).

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearch

Open Access
File
170 Downloads (Pure)

Recent trends of environmental radioactivity in Greenland and the Faroe Islands

Nielsen, S. P. & Joensen, H. P., 2009, Proceedings. Norwegian Radiation Protection Authority, 4 p.

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearch

Open Access
File
222 Downloads (Pure)

Thule Expedition 2003 - Studies on Radioactive Contamination and Particles

Nielsen, S. P., Roos, P., Dahlgaard, H., Olsen, S. K., Jernström, J. & Eriksson, M., 2009, Radioactive Particles in the Environment: Proceedings. Oughton, D. & Kashparov, V. (eds.). Springer, p. 93-109 279 p. (NATO Science for Peace and Security Series. Series C: Environmental Security).

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

2008

'Dirty bomb' attack in a city area: Requirements to estimate consequences of contaminant dispersion

Andersson, K. G., Mikkelsen, T., Astrup, P., Thykier-Nielsen, S., Jacobsen, L. H., Hoe, S. C. & Nielsen, S. P., 2008, Proceedings: Part 1: Oral and oral poster presentations. Strand, P., Brown, J. & Jølle, T. (eds.). Østerås (NO): Norwegian Radiation Protection Authority, p. 44-47

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearch

Speciation of 129I and 127I in seawater

Hou, X., Aldahan, A., Nielsen, S. P., Possnert, G. & Nies, H., 2008, Proceedings. Oral and oral poster presentations. Strand, P., Brown, J. & Jølle, T. (eds.). Østerås: Norwegian Radiation Protection Authority, Vol. Part 2. p. 83-87

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearch

2007

Use of mosses in assessing deposition of 55Fe, 63Ni and 60Co in the Ignalina nuclear power plant environment

Luksiene, R., Gudelis, A., Nielsen, S. P., Hou, X., Druteikiene, R. & Gvozdaite, R., 2007, Biochemistry of trace elements: Environmental protection, remediation and human health. Zhu, Y., Lepp, N. & Naidu, R. (eds.). Beijing: Tsinghua University Press, p. 419-420

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

2006

Intercomparison of laboratory analyses of radionuclides in environmental samples, 2004-2005

Nielsen, S. P., 2006, Proceedings. Ilus, E. (ed.). Vol. NKS-140. p. 102-107

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearch

Radionuclides in seal flesh and liver

Nielsen, S. P., 2006, Proceedings. Ilus, E. (ed.). Vol. NKS-140. p. 89-92

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearch

Transfer of radionuclides to plants

Nielsen, S. P., 2006, Proceedings. Ilus, E. (ed.). Vol. NKS-140. p. 39-45

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearch

2005

Airborne risk, regional vulnerability and possible accidental consequences from nuclear sites in the European Arctic and Sub-arctic

Baklanov, A., Mahura, A., Sørensen, J. H., Rigina, O., Bergman, R., Golikov, V., Nielsen, S. P., Segerståhl, B. & Sickel, M., 2005, Proceedings. Strand, P., Børretzen, P. & Jølle, T. (eds.). Østerås: Norwegian Radiation Protection Authority, p. 4-7

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearch

Application of 129I as a oceanographic tracer

Hou, X., Dahlgaard, H. & Nielsen, S. P., 2005, Proceedings. Strand, P., Børretzen, P. & Jølle, T. (eds.). Østerås: Norwegian Radiation Protection Authority

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearch

Plutonium in the environment at Thule, Greenland, from sampling in 2003

Nielsen, S. P. & Dahlgaard, H., 2005, Proceedings. Stockholm: Statens strålskyddsinstitut, p. 315-318 (SSI Rapport 2005:15).

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearch

Plutonium in the environment at Thule, Greenland, from sampling in 2003

Nielsen, S. P. & Dahlgaard, H., 2005, Proceedings. Strand, P., Børretzen, P. & Jølle, T. (eds.). Østerås: Norwegian Radiation Protection Authority, p. 80-83

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearch

2003

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., 2003, Environmental radiochemical analysis 2. Warwick, P. (ed.). Cambridge: Royal Society of Chemistry, p. 410-417 (Special Publication, 291).

Research output: Chapter in Book/Report/Conference proceedingArticle 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 on CD-ROM. Børretzen, P., Jølle, T. & Strand, P. (eds.). Østerås: Norwegian Radiation Protection Authority

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearch

A Nordic view on perspectives for radioecology

Nielsen, S. P., 2002, Proceedings. Ilus, E. (ed.). Roskilde: NKS, Vol. NKS-70. p. 22-26

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearch

Collation and analysis of information on environmental measurements of radionuclides and critical group exposures

Nielsen, S. P., Hou, X., Keith-Roach, M., Mitchell, P., Povinec, P., Sanchez, A. & Gerchikov, M., 2002, Proceedings. Børretzen, P., Jølle, T. & Strand, P. (eds.). Østerås: Norwegian Radiation Protection Authority, p. 552-556

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearch

Environmental radioactivity in the South Urals 1990-1997. An international study supported by INTAS, EC and national funding

Aarkrog, A., Trapeznikov, A. V., Molchanova, I. V., Yushkov, P. I., Karavaeva, E. N., Pozolotina, V. N., Polikarlov, G. G., Dahlgaard, H. & Nielsen, S. P., 2002, Modern problems of radiobiology, radioecology and evolution. Proceedings. Korogodin, V. I. (ed.). Dubna: JINR, p. 252-261

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearch

Iodine-129 and Cesium -137 in Chernobyl contaminated soil

Hou, X., Fogh, C. L., Kucera, J., Andersson, K. G., Dahlgaard, H. & Nielsen, S. P., 2002, Proceedings. Børretzen, P., Jølle, T. & Strand, P. (eds.). Østerås: Norwegian Radiation Protection Authority, p. 211-214

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearch

Overview of the Marina II project on discharges of radioactive substances into the North East Atlantic

Dutton, L. M. C., Gerchikov, M. Y., Nielsen, S. P., Simmonds, J. R., Sazykina, T. & Hunter, G., 2002, Proceedings. Børretzen, P., Jølle, T. & Strand, P. (eds.). Østerås: Norwegian Radiation Protection Authority, p. 538-542

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearch

Overview of the marine model developed for the MARINA II project

Bexon, A. P., Lepicard, S., Nielsen, S. P. & Simmonds, J. R., 2002, Proceedings. Børretzen, P., Jølle, T. & Strand, P. (eds.). Østerås: Norwegian Radiation Protection Authority, p. 557-560

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearch

Results and analysis of a seawater interlaboratory comparison exercise for 90Sr, 99Tc, 137Cs, 238Pu and 239,240Pu

Vintró, L. L., Mitchell, P. I., Smith, K. J., McMahon, C. A., Holm, E., Dahlgaard, H., Nielsen, S. P., Boust, D., Leonard, K. S., Papucci, C., Delfanti, R., Salbu, B., Strand, P., Cabeza, J. A. S., Rissanen, K., Pollard, D., Gascó, C., Christensen, G. C., Herrmann, J. & Nies, H., 2002, Proceedings. Strand, P., Jølle, T. & Sand, Å. (eds.). Østerås: Norwegian Radiation Protection Authority, p. 258-259

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearch

Simulation scenarios for potential radioactive spreading in the 21st century from rivers and external sources in the Russian arctic coastal zone - RADARC

Johannessen, P. M., Pettersson, L. H., Gao, Y., Nielsen, S. P., Borghuis, S., Strand, P., Reiersen, L. O., Boylev, L. P., Volkov, V. A., Neelov, I., Stepanov, A., Bobylev, K., Zheleznyak, M. & Maderich, V., 2002, Proceedings. Strand, P., Jølle, T. & Sand, Å. (eds.). Østerås: Norwegian Radiation Protection Authority, p. 53-57

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearch

The radiation exposure of the population of the European Union from radioactivity in North European waters

Simmonds, J. R., Lepicard, S., Nielsen, S. P., Gerchikov, M. Y. & Bexon, A. P., 2002, Proceedings. Børretzen, P., Jølle, T. & Strand, P. (eds.). Østerås: Norwegian Radiation Protection Authority, p. 561-564

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearch

2001

Plutonium in the marine environment at Thule, NW-Greenland after a nuclear weapons accident

Dahlgaard, H., Eriksson, M., Ilus, E., Ryan, T., McMahon, C. A. & Nielsen, S. P., 2001, Plutonium in the environment. Edited proceedings. Kudo, A. (ed.). Oxford: Elsevier, p. 15-30 (Radioactivity in the Environment, Vol. 1).

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

2000

Conclusions and recommendations

Nielsen, S. P., 2000, The radiological exposure of the population of the European Community to radioactivity in the Baltic Sea. Marina-Balt project. Proceedings. Nielsen, S. P. (ed.). Vol. EUR-19200. p. 313-317

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearch

Determination of iodine-129 and its application as a oceanographic tracer

Hou, X., Dahlgaard, H. & Nielsen, S. P., 2000, Extended abstracts. Vol. 2. Villigen: Paul Scherrer Institut PSI, p. 494-496

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearch

Modelling and assessment of doses to man

Nielsen, S. P., 2000, The radiological exposure of the population of the European Community to radioactivity in the Baltic Sea. Marina-Balt project. Proceedings. Nielsen, S. P. (ed.). Vol. EUR-19200. p. 177-311

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearch

Summary

Nielsen, S. P., 2000, The radiological exposure of the population of the European Community to radioactivity in the Baltic Sea. Marina-Balt project. Proceedings. Nielsen, S. P. (ed.). Vol. EUR-19200. p. 1-8

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearch

1999

A radiological assessment of the nuclear reactors with spent fuel which have been scuttled in the Kara Sea

Nielsen, S. P., Maderich, V., Zheleznyak, V., Dutton, L. M. C., Sivintsev, Y., Lystsov, V., Yefimov, E. I. & Sazykina, T., 1999, International symposium on marine pollution. Vol. IAEA-TECDOC-1094. p. 370-371

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearch

Determination of 237Np in sediments and seawater

Chen, Q. J., Dahlgaard, H., Nielsen, S. P. & Aarkrog, A., 1999, International symposium on marine pollution. Vol. IAEA-TECDOC-1094. p. 346-347

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearch

Migration of long-lived radionuclides in the river and flood-plain ecosystems of the Ob-Irtysh basin, subject to the MAYAK influence

Trapeznikov, A., Aarkrog, A., Pozolotina, V., Molchanova, I., Trapeznikova, V., Yushkov, P., Karavaeva, E., Nielsen, S. P., Dahlgaard, H. & Chen, Q. J., 1999, Extended abstracts. Strand, P. & Jølle, T. (eds.). Østerås: Norwegian Radiation Protection Authority, p. 246-247

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearch

Modelling the impact on man from radioactive waste dumped in the Kara Sea

Nielsen, S. P., Ali, S. M., Beaumont, H. M., Dutton, L. M. C., Handy, B. J., Hosty, M., Parsons, A. F., Sivintsev, Y., Lystsov, V., Yefimov, E. I., Sazykina, T., Zheleznyak, M., Maderich, W. & Margvelashvili, N. Y., 1999, Report and extended abstracts. Vol. AMAP-99-4.

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearch

Plutonium in an Arctic marine environment 29 years after the Thule accident

Dahlgaard, H., Eriksson, M., Ilus, E., Ryan, T., McMahon, C. A. & Nielsen, S. P., 1999, Proceedings. Søgaard-Hansen, J. & Damkjær, A. (eds.). Roskilde: Risø National Laboratory, p. 135-138

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearch

Plutonium in the marine environment of Thule Air Base, N.W. Greenland. Inventories and distribution in sediments 29 years after the accident

Eriksson, M., Dahlgaard, H., Ilus, E., Ryan, T., Chen, Q. J., Holm, E. & Nielsen, S. P., 1999, Extended abstracts. Strand, P. & Jølle, T. (eds.). Østerås: Norwegian Radiation Protection Authority, p. 60-62

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearch

Plutonium isotope ratios in environmental samples from Thule (Greenland) and the Techa River (Russia) measured by ICPMS and α-spectrometry

Dahlgaard, H., Chen, Q. J., Stürup, S., Eriksson, M., Nielsen, S. P. & Aarkrog, A., 1999, International symposium on marine pollution. Vol. IAEA-TECDOC-1094. p. 254-259

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearch

Radioecological sensitivity: Danish fallout data revisited

Nielsen, S. P. & Øhlenschlæger, M., 1999, Proceedings. Søgaard-Hansen, J. & Damkjær, A. (eds.). Roskilde: Risø National Laboratory, p. 151-154

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearch

Recent Nordic intercomparison exercises on radioanalytical QA/QC

Nielsen, S. P. & Palsson, S. E., 1999, International symposium on marine pollution. Vol. IAEA-TECDOC-1094. p. 411-412

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearch

Results and analysis of the Armara Sea water intercomparison for 137Cs, 238Pu and 239,240Pu

Mitchell, P. I., Holm, E., Dahlgaard, H., Nielsen, S. P., Boust, D., Leonard, K. S., Papucci, C., Salbu, B., Strand, P., Sánchez-Cabeza, J. A., Rissanen, K., Pollard, D., Gascó, C., Christensen, G. C., Vintró, L. L., McMahon, C. A., Herrmann, J. & Nies, H., 1999, International symposium on marine pollution. Vol. IAEA-TECDOC-1094. p. 530-531

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearch

1998

Distribution and biological effects of radionuclides in terrestrial ecosystems affected by nuclear enterprises in the Southern Urals

Pozolotina, V., Molchanova, I., Karavaeva, E., Aarkrog, A. & Nielsen, S. P., 1998, Radiation exposures by nuclear facilities. Evidence of the impact on health. Schmitz-Feuerhake, I. & Schmidt, M. (eds.). Berlin: Gesellschaft für Strahlenschutz, p. 382-386

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearch

Radioecological characteristics of the Techa-Iset-Tobol rivers: Including floodplain ecosystems (the Urals)

Trapeznikov, A., Aarkrog, A., Molchanova, I., Nielsen, S. P., Pozolotina, V., Trapeznikova, V., Yushkov, P., Chebotina, M. & Karavaeva, E., 1998, Radiation exposures by nuclear facilities. Evidence of the impact on health. Schmitz-Feuerhake, I. & Schmidt, M. (eds.). Berlin: Gesellschaft für Strahlenschutz, p. 387-391

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearch

Radionuclides in sediment cores from Thule, Greenland, 1991

Nielsen, S. P. & Dahlgaard, H., 1998, Dating of sediments and determination of sedimentation rate. Ilus E. (ed.). Vol. STUK-A-145. p. 120-126

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearch

1997

An intercomparison exercise on radionuclides in sediment samples

Nielsen, S. P., 1997, Proceedings. Nordisk Selskap for Strålevern, det 11. ordinære møtet. Det 7. Nordiske radioøkologi seminar. Walderhaug, T. & Gudlaugsson, E. P. (eds.). Reykjavik: Nordic Radiation Protection Society, p. 105-112

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearch

A sensitivity analysis of a radiological assessment model for Arctic waters

Nielsen, S. P., 1997, Proceedings. Nordisk Selskap for Strålevern, det 11. ordinære møtet. Det 7. Nordiske radioøkologi seminar. Walderhaug, T. & Gudlaugsson, E. P. (eds.). Reykjavik: Nordic Radiation Protection Society, p. 417-424

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearch