Search Results - "Dahlgaard, H"

Iodine-129 and Caesium-137 in Chernobyl contaminated soil and their chemical fractionation by Hou, X.L, Fogh, C.L, Kucera, J, Andersson, K.G, Dahlgaard, H, Nielsen, S.P

“…Soil samples from areas in Belarus, Russia and Sweden contaminated by the Chernobyl accident were analysed for 129I by radiochemical neutron activation…”
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Characterization of uranium and plutonium containing particles originating from the nuclear weapons accident in Thule, Greenland, 1968 by Lind, O.C., Salbu, B., Janssens, K., Proost, K., Dahlgaard, H.

“…To improve long-term radioecological impact assessment for the contaminated ecosystem of Bylot Sound, Greenland, U and Pu containing particles have been…”
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Determination of Chemical Species of Iodine in Seawater by Radiochemical Neutron Activation Analysis Combined with Ion-Exchange Preseparation by Hou, Xiaolin, Dahlgaard, H, Rietz, B, Jacobsen, U, Nielsen, S. P, Aarkrog, A

“…A method for the determination of iodide, iodate, organic iodine, and total iodine in seawater was developed. The behaviors of loading, washing, and eluting of…”
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Source term identification of environmental radioactive Pu/U particles by their characterization with non-destructive spectrochemical analytical techniques by Eriksson, M., Osán, J., Jernström, J., Wegrzynek, D., Simon, R., Chinea-Cano, E., Markowicz, A., Bamford, S., Tamborini, G., Török, S., Falkenberg, G., Alsecz, A., Dahlgaard, H., Wobrauschek, P., Streli, C., Zoeger, N., Betti, M.

“…Six radioactive particles stemming from Thule area (NW-Greenland) were investigated by gamma-ray and L X-ray spectrometry based on radioactive disintegration,…”
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Level and origin of Iodine-129 in the Baltic Sea by Hou, X.L., Dahlgaard, H., Nielsen, S.P., Kucera, J.

“…Environmental samples, such as seawater, seaweed, lake water, lake sediment and grass collected from the Baltic Sea area were analyzed for 129I and 127I by…”
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Iodine-129 Time Series in Danish, Norwegian and Northwest Greenland Coast and the Baltic Sea by Seaweed by Hou, X.L., Dahlgaard, H., Nielsen, S.P.

“…The concentrations of129I and127I were determined in archived time series seaweed samples from Klint in the Kattegat, Bornholm in the Baltic Sea, Roskilde…”
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Radioactive tracers as a tool in coastal oceanography: An overview of the MAST-52 project by Dahlgaard, H.

“…Radionuclides ( 99Tc, 125Sb, 90Sr, 137Cs) discharged from La Hague in France have been used to trace advection and dispersion of water masses in the “European…”
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Environmental radioactive contamination in Greenland: a 35 years retrospect by Aarkrog, A., Dahlgaard, H., Nielsen, S.P.

“…Environmental studies of anthropogenic radionuclides in Greenland over four decades are reported. The studies have comprised the marine as well as the…”
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Radioactive inventories from the Kyshtym and Karachay accidents: estimates based on soil samples collected in the South Urals (1990–1995) by Aarkrog, A., Dahlgaard, H., Nielsen, S.P., Trapeznikov, A.V., Molchanova, I.V., Pozolotina, V.N., Karavaeva, E.N., Yushkov, P.I., Polikarpov, G.G.

“…The implementation of the nuclear programme in the Cheliabinsk region in the Ural, where plutonium for the first Soviet nuclear weapons was produced, involved…”
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Oxidation-state distribution of plutonium in surface and subsurface waters at Thule, northwest Greenland by McMahon, C.A, León Vintró, L, Mitchell, P.I, Dahlgaard, H

“…The speciation of plutonium in Arctic waters sampled on the northwest Greenland shelf in August 1997 is discussed in this paper. Specifically, we report the…”
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Marine radioactivity in the Arctic: a retrospect of environmental studies in Greenland waters with emphasis on transport of 90Sr and 137Cs with the East Greenland Current by Aarkrog, A., Dahlgaard, H., Nielsen, S.P.

“…The waters around Greenland have received radioactive contamination from three major sources: Global fallout, discharges from the nuclear fuel reprocessing…”
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Iodine-129 in thyroid and urine in Ukraine and Denmark by Hou, Xiaolin, Malencheko, A.F., Kucera, J., Dahlgaard, H., Nielsen, S.P.

“…Human thyroids collected from Gomel in Belarus, sheep thyroid from Jutland and human urine from Zealand in Denmark were analysed for 129I and 127I…”
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Plutonium and americium in the sediments off the Thule air base, Greenland by Ikaheimonen, T K, Ilus, E, Klemola, S, Dahlgaard, H, Ryan, T, Eriksson, M

“…In 1968 a U.S. B-52 bomber from USA with four nuclear weapons crashed on the sea ice near the Thule air base and contaminated the surroundings. Most of…”
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Primary production, nutrient dynamics and mineralisation in a northeastern Greenland fjord during the summer thaw by RYSGAARD, S, FINSTER, K, DAHLGAARD, H

“…This investigation represents the first integrated study of primary production, nutrient dynamics and mineralisation in a northeastern fjord of Greenland. The…”
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A tracer study of the transport of coastal water from the English Channel through the German Bight to the Kattegat by Dahlgaard, H., Herrmann, J., Salomon, J.C.

“…The transport of coastal water from the English Channel along the French, Belgian, Netherlands, German and Danish coasts into the Kattegat has been studied…”
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Iodine-129 in human thyroids and seaweed in China by Hou, Xiaolin, Dahlgaard, H., Nielsen, S.P., Ding, Wenjun

“…The concentrations of 129I and the ratios of 129I/ 127I in normal human thyroids collected in Tianjin, China, and some seaweed samples from the Chinese coast…”
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Accumulation of metal radiotracers by Mytilus edulis by Nolan, C., Dahlgaard, H.

“…Marine mussels Mytilus edulis accumulate radionuclides of cobalt, zinc, ruthenium, silver and caesium in the soft tissues linearly over time during exposure…”
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Perturbation in the 240Pu239Pu global fallout ratio in local sediments following the nuclear accidents at Thule (Greenland) and Palomares (Spain) by Mitchell, P.I., Vintró, L.León, Dahlgaard, H., Gascó, C., Sánchez-Cabeza, J.A.

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Environmental modelling of radioactive contamination of floodplains and sorlakes along the Techa and Iset rivers by Aarkrog, A, Trapeznikov, A.V, Molchanova, I.V, Yushkov, P.I, Pozolotina, V.N, Polikarpov, G.G, Dahlgaard, H, Nielsen, S.P

“…The radioactive contamination of the Techa–Iset rivers downstream from the MAYAK reservoirs has been determined by measurements of 90 Sr , 137 Cs and…”
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Origin of technetium-99 and its use as a marine tracer by Aarkrog, A, Carlsson, L, Chen, Q. J, Dahlgaard, H, Holm, E, Huynh-Ngoc, L, Jensen, L. H, Nielsen, S. P, Nies, H

“…The Chernobyl USSR accident caused a variety of radionuclides to be released. The most abundant of the longer-lived nuclides were the two caesium isotopes…”
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