Behavior of radiocesium in atmospheric aerosol and fallout in Prague
Creators
- 1. Czech Academy of Sciences, Prague (Czech Republic). Inst. of Radiation Dosimetry
Description
Radiocesium in ground layer atmospheric aerosol and fallout in Prague has been examined. After a decline in 1986-1988, controlled by a sum of two negative exponentials, 137Cs aerosol concentration reached a constant level based on an equilibrium between its deposition and resuspension. Deposition velocity was compared to that of 7Be and 226Ra. It confirmed the supposed source of 137Cs as resuspension from the ground. Resuspension factor of the order of magnitude of 10-9 was determined, reminding similar values found earlier in Prague as well as those found in Munich. It also agrees well with the USAEC resuspension model. Solubility of 137Cs was measured in combined wet and dry fallout. The average undissolved fraction of 137Cs was found to be about 70% which can be explained by the conditions of the 137Cs aerosol formation Chernobyl. (author) 11 refs.; 5 figs.; 2 tabs
Additional details
Publishing Information
- Journal Title
- Journal of Radioanalytical and Nuclear Chemistry
- Journal Volume
- 186
- Journal Issue
- 3
- Journal Page Range
- p. 245-255.
- ISSN
- 0236-5731
- CODEN
- JRNCDM
INIS
- Country of Publication
- Hungary
- Country of Input or Organization
- Hungary
- INIS RN
- 25039616
- Subject category
- S54: ENVIRONMENTAL SCIENCES;
- Descriptors DEI
- AEROSOLS; BERYLLIUM 7; CESIUM 137; CZECH REPUBLIC; DEPOSITION; FALLOUT; PARTICLE RESUSPENSION; RADIOMETRIC ANALYSIS; SOLUBILITY; TIME DEPENDENCE; VELOCITY
- Descriptors DEC
- BERYLLIUM ISOTOPES; BETA DECAY RADIOISOTOPES; BETA-MINUS DECAY RADIOISOTOPES; CESIUM ISOTOPES; CHEMICAL ANALYSIS; COLLOIDS; DAYS LIVING RADIOISOTOPES; DISPERSIONS; EASTERN EUROPE; ELECTRON CAPTURE RADIOISOTOPES; EUROPE; EVEN-ODD NUCLEI; INTERMEDIATE MASS NUCLEI; ISOTOPES; LIGHT NUCLEI; NUCLEI; ODD-EVEN NUCLEI; QUANTITATIVE CHEMICAL ANALYSIS; RADIOISOTOPES; SOLS; YEARS LIVING RADIOISOTOPES