Cite this dataset as
Kashparov, V.; Levchuk, S.; Zhurba, M.; Protsak, V.; Khomutinin, Yu.; Beresford, N.A.; Chaplow, J.S. (2017). Spatial datasets of radionuclide contamination in the Ukrainian Chernobyl Exclusion Zone. NERC Environmental Information Data Centre. (Dataset). https://doi.org/10.5285/782ec845-2135-4698-8881-b38823e533bf
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This dataset is made available under the terms of the Open Government Licence
Comma-separated values (CSV)
Soil samples were dried, sieved (1 mm sieve) and homogenized. Sub-samples were taken from each sample for the determination of the total contents of radionuclides:
Gamma spectrometry measurements were performed using HPGe-detectors, of 30 % relative efficiency and 1.90 keV FWHM for 1333 keV (GEM-30185, EG&G ORTEC, USA) and a multichannel analyser (ADCAM-300, ORTEC, USA) using GammaVision32 software. The efficiency calibration was carried out for the 1 L Marinelli geometry using a spiked soil sample containing 241Am, 243Am, 152Eu, 154Eu, 137Cs, 40K. The average counting time was about 1 hour; for samples of lower activity the counting time was extended to obtain an acceptable error on the measurement (<30 % at 95th percentile confidence interval).
The activity of 90Sr was determined using a radiochemical method with treatment of the samples by boiling in 6M nitric acid for four hours.
Standard methods were used to determine organic matter content (GOST 26213-91), pHH2O (GOST 26423-85), pHKcl (GOST 26483-85), hydrolytic acidity (determined using the Kappen method (GOST 26212-91)), exchangeable Ca (GOST 26487-85), exchangeable K and P contents were determined using a method appropriate to the specific soil type (GOST 26207-91, GOST26204-91).
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This dataset is made available under the terms of the Open Government Licence
CITE AS: Kashparov, V.; Levchuk, S.; Zhurba, M.; Protsak, V.; Khomutinin, Yu.; Beresford, N.A.; Chaplow, J.S. (2017). Spatial datasets of radionuclide contamination in the Ukrainian Chernobyl Exclusion Zone. NERC Environmental Information Data Centre. https://doi.org/10.5285/782ec845-2135-4698-8881-b38823e533bf
© Ukrainian Institute of Agricultural Radiology of National University of Life and Environmental Sciences of Ukraine