Distribution and source of (129)I, (239)(,240)Pu, (137)Cs in the environment of Lithuania.

abstract：:The Fukushima Dai-ichi Nuclear Power Plant accidents following the March 11, 2011 Tohoku earthquake, and subsequent tsunami released radioactive materials into the atmosphere and caused significant public health concerns, particularly thyroid cancers in children. However, the lack of measurement data for atmospheric c...

journal_title：Journal of environmental radioactivity

authors： Takagi M,Ohara T,Goto D,Morino Y,Uchida J,Sekiyama TT,Nakayama SF,Ebihara M,Oura Y,Nakajima T,Tsuruta H,Moriguchi Y

更新日期：2020-07-01 00:00:00

abstract：:In this work, we present a method to use the European nuclear emergency response system RODOS for analysis of potential sources of airborne radioactivity of an unknown origin. The method is based on a solution of adjoint equations, without modification of the code of long-range atmospheric dispersion model MATCH used ...

journal_title：Journal of environmental radioactivity

authors： Kovalets IV,Romanenko O,Synkevych R

更新日期：2020-09-01 00:00:00

abstract：:The luminescence of quartz extracted from recently fired building material is known to detect doses of few mGy and can be successfully employed in the case of large scale radiation exposures due to nuclear accidents or terrorist acts. One brick and two tiles (50-80 years range) collected from an urban settlement were ...

journal_title：Journal of environmental radioactivity

authors： Veronese I,Giussani A,Göksu HY

更新日期：2006-01-01 00:00:00

abstract：:The analysis of radionuclides content in the waste product of urban wastewater treatment (i.e. sewage sludges) is of great concern for both the safety of workers and in a re-use perspective of the final product. The study of the behavior and the partitioning of radionuclides into sewage sludge samples can be useful no...

journal_title：Journal of environmental radioactivity

authors： Zannoni D,Cantaluppi C,Ceccotto F,Giacetti W,Lovisetto B

更新日期：2019-03-01 00:00:00

abstract：:In this study the runoff of (137)Cs, mainly originated from the Chernobyl fallout, from highly contaminated alpine regions in Salzburg (Austria) is discussed. Twenty-five water-samples and 25 sediment-samples were taken from creeks of different size to determine the runoff of dissolved (137)Cs and Cs-binding character...

journal_title：Journal of environmental radioactivity

authors： Wilflinger T,Lettner H,Hubmer AK,Hofmann W

更新日期：2005-01-01 00:00:00

abstract：:Unsupported 210Pb (Pbexc) is generated in air and is subsequently deposited on soil surface. The Pbexc can be used for sediment dating, soil erosion/sedimentation and air mass studies. In many cases, 210Pb activity determination (gamma ray 46.5 keV) cannot be performed due to the lack of efficiency calibration curve, ...

journal_title：Journal of environmental radioactivity

authors： Montes ML,Rizzoto MG,Ayub JJ,Torres Astorga R,Taylor MA

更新日期：2019-11-01 00:00:00

abstract：:The role of building materials as a source of gamma radiation has been recognized in the new EU Basic Safety Standards Directive which introduces an index I to screen building materials of radiological concern. This index was developed to account for average concrete values of thickness and density, the main structura...

journal_title：Journal of environmental radioactivity

authors： Nuccetelli C,Leonardi F,Trevisi R

更新日期：2015-05-01 00:00:00

abstract：:The uptake and depuration kinetics of dissolved 109Cd, 57Co and 134Cs were determined experimentally in the European flat oyster Ostrea edulis (Linnaeus, 1758) under different pH conditions (i.e., 8.1, 7.8 and 7.5) for 59 days. Uptake and depuration rates were variable within these elements; no effects were observed u...

journal_title：Journal of environmental radioactivity

authors： Sezer N,Kılıç Ö,Metian M,Belivermiş M

更新日期：2018-12-01 00:00:00

abstract：:On 11 March 2011, the magnitude-9.0 earthquake and a substantial tsunami struck off the northeast coast of Japan. The Fukushima nuclear power plants were inundated and stricken, followed by radionuclide releases outside the crippled reactors. Provisional regulation values for radioactivity in food and drink were set o...

journal_title：Journal of environmental radioactivity

authors： Hamada N,Ogino H

更新日期：2012-09-01 00:00:00

abstract：:137Cs and 40K activity concentrations and stable elements have been measured in Clavariadelphus truncatus collected in Mexico. Iron-chelating compounds of siderophore-type was also studied in the species. 137Cs and 40K were determined in soil and mushroom samples with HpGe gamma-ray spectrometry. Macro- and micro-elem...

journal_title：Journal of environmental radioactivity

authors： Gaso MI,Segovia N,Morton O,Lopez JL,Machuca A,Hernandez E

更新日期：2007-01-01 00:00:00

abstract：:This study considers UK airborne gamma-ray data obtained through a series of high spatial resolution, low altitude surveys over the past decade. The ground concentrations of the naturally occurring radionuclides Potassium, Thorium and Uranium are converted to air absorbed dose rates and these are used to assess terres...

journal_title：Journal of environmental radioactivity

authors： Beamish D

更新日期：2014-12-01 00:00:00

abstract：:The assessment processes concerning the safety of nuclear waste repositories include the modelling of radionuclide transport in biosphere and the evaluation of the doses to the most affected humans. In this paper, a scenario, in which a contaminated lake is the water source for drinking water, irrigation water and wat...

journal_title：Journal of environmental radioactivity

authors： Pohjola J,Turunen J,Lipping T,Ikonen AT

更新日期：2016-11-01 00:00:00

abstract：:Some of the daughter products in the (222)Rn-decay series, such as (210)Po and (210)Pb, have been widely used as tracers and chronometers in aqueous systems. We measured the concentrations of (210)Pb and (210)Po in the dissolved (≤0.5 μm), bulk (unfiltered) and particulate phases (≥1 μm) collected in the Clinton River...

journal_title：Journal of environmental radioactivity

authors： Mudbidre R,Baskaran M,Schweitzer L

更新日期：2014-12-01 00:00:00

abstract：:In the present work, numerical models are used to study the fate of the 99Tc discharges from Sellafield with a specific focus on the role of mesoscale eddy and tidal advection on the transport and dispersion of this radionuclide. Transport estimates are made with an ocean model that resolves a large part of the ocean ...

journal_title：Journal of environmental radioactivity

authors： Simonsen M,Saetra Ø,Isachsen PE,Lind OC,Skjerdal HK,Salbu B,Heldal HE,Gwynn JP

更新日期：2017-10-01 00:00:00

abstract：:It is very important to calculate the radioactivity concentration for low-grade monazite ore (50%) and different other materials produced as results of chemical processing stages to avoid the risk to workers. Chemical processing of low-grade monazite pass through different stages, washing by hydrochloric acid and dige...

journal_title：Journal of environmental radioactivity

authors： Hamed MM,Hilal MA,Borai EH

更新日期：2016-10-01 00:00:00

abstract：:We simulated the spatial distributions and the temporal variations of 137Cs and (239,240)Pu concentrations in the ocean by using the ocean general circulation model which was developed by National Center of Atmospheric Research. These nuclides are introduced into seawaters from global fallout due to atmospheric nuclea...

journal_title：Journal of environmental radioactivity

authors： Tsumune D,Aoyama M,Hirose K

更新日期：2003-01-01 00:00:00

abstract：:The results of field studies carried out on different plant species (winter rye and wheat, spring barley, oats, Scots pine, wild vetch, crested hairgrass) in various radioecological situations (nuclear weapon testing, the Chernobyl accident, uranium and radium processing) to investigate the effects of long-term chroni...

journal_title：Journal of environmental radioactivity

authors： Geras'kin S,Evseeva T,Oudalova A

更新日期：2013-07-01 00:00:00

abstract：:A pit lake arises as a consequence of anthropogenic activities in opencast mining areas. These water bodies may be enriched in hazardous stable contaminants and/or in naturally occurring radionuclides depending on the local geological conditions. Mining legacy in Sweden produced hundreds of these pit lakes and most of...

journal_title：Journal of environmental radioactivity

authors： Thomas R,Mantero J,Pérez-Moreno SM,Ruiz-Canovas C,Vioque I,Isaksson M,Forssell-Aronsson E,Holm E,García-Tenorio R

更新日期：2020-11-01 00:00:00

abstract：:Levels of soil contamination with (137)Cs, the belonging of fungi to a certain ecological group, the localization depth of the main part of mycelium in soil are the primary factors influencing the value of (137)Cs specific activity in higher fungi after the accident at Chernobyl NPP. It has been found that the value o...

journal_title：Journal of environmental radioactivity

authors： Zarubina N

更新日期：2016-09-01 00:00:00

abstract：:An isotopic fingerprinting method is presented to determine the origin of unknown nuclear material with forensic importance. Spent nuclear fuel of known origin has been considered as the 'unknown' nuclear material in order to demonstrate the method and verify its prediction capabilities. The method compares, using fac...

journal_title：Journal of environmental radioactivity

authors： Nicolaou G

更新日期：2006-01-01 00:00:00

abstract：:Incorporation of radiocesium by plants via root uptake appears to be affected by some of the exchangeable cations in the soil and/or pH of the soil. However, few studies have examined the relationship between 137Cs in trees and soil properties in the area surrounding the Fukushima Dai-ichi Nuclear Power Plant (FDNPP) ...

journal_title：Journal of environmental radioactivity

authors： Kanasashi T,Miura S,Hirai K,Nagakura J,Itô H

更新日期：2020-09-01 00:00:00

abstract：:The objective of this study was to provide the parameter values required to model OBT formation in the edible parts of plants following a hypothetical accidental tritium release to the atmosphere at night. The parameters considered were leaf area index, stomatal resistance, photosynthesis rate, the photosynthetic prod...

journal_title：Journal of environmental radioactivity

authors： Kim SB,Workman WG,Korolevych V,Davis PA

更新日期：2012-02-01 00:00:00

abstract：:The disequilibrium of the grandparent-daughter pair 210Pb (t1/2=22.3 years)-210Po (t1/2=138 days) has been used to estimate the export fluxes of particulate organic carbon in the ocean using particulate-matter-associated 210Po. 210Po is produced from 210Bi, not from 210Pb. The half-life of 210Bi (t1/2=5.01 days) is su...

journal_title：Journal of environmental radioactivity

authors： Kim SH,Hong GH

更新日期：2019-11-01 00:00:00

abstract：:The ability to predict the consequences of an accidental release of radionuclides relies mainly on the level of understanding of the mechanisms involved in radionuclide interactions with different components of agricultural and natural ecosystems and their formalisation into predictive models. Numerous studies and dat...

journal_title：Journal of environmental radioactivity

authors： Tamponnet C,Martin-Garin A,Gonze MA,Parekh N,Vallejo R,Sauras-Yera T,Casadesus J,Plassard C,Staunton S,Norden M,Avila R,Shaw G

更新日期：2008-05-01 00:00:00

abstract：:A previous study on seabed sediments of the Bay of Cadiz (SW of Spain) enabled us to identify several relations between sedimentological variables and activity concentrations of environmental radionuclides such as (137)Cs, (226)Ra, (232)Th and (40)K. In this paper the study has been extended to a large neighbouring in...

journal_title：Journal of environmental radioactivity

authors： Ligero RA,Vidal J,Meléndez MJ,Hamani M,Casas-Ruiz M

更新日期：2009-03-01 00:00:00

abstract：:Atmospheric (85)Kr concentration at Fukuoka, Japan was determined by an improved (85)Kr analytical method using liquid scintillation counting (LSC). An average value of 1.54 +/- 0.05 Bq m(-3) was observed in 2008, which is about two times that measured in 1981 at Fukuoka, indicating a 29 mBq y(-1) rate of increase as ...

journal_title：Journal of environmental radioactivity

authors： Momoshima N,Inoue F,Sugihara S,Shimada J,Taniguchi M

更新日期：2010-08-01 00:00:00

abstract：:An intercomparison of atmospheric dispersion models has been carried out for a hypothetical accident occurring in a nuclear power plant in the center of Spain. The accident consisted of a steam generator tube rupture, and two radionuclides have been considered for the exercise: 137-Cs and 131-I. Meteorological conditi...

journal_title：Journal of environmental radioactivity

authors： Periáñez R,Thiessen KM,Chouhan SL,Mancini F,Navarro E,Sdouz G,Trifunović D

更新日期：2016-10-01 00:00:00

abstract：:It is demonstrated that hydroxyl radicals and hydrogen peroxide are formed under the action of uranyl ions in aqueous solutions containing no reducing agents. In the presence of uranyl ions, formation of 8-oxoguanine in DNA and long-lived protein radicals are observed in vitro. It is shown that the pro-oxidant propert...

journal_title：Journal of environmental radioactivity

authors： Garmash SA,Smirnova VS,Karp OE,Usacheva AM,Berezhnov AV,Ivanov VE,Chernikov AV,Bruskov VI,Gudkov SV

更新日期：2014-01-01 00:00:00

abstract：:Beneficial reuse and resource recovery of produced water often require treatment to remove radium before valuable products are extracted. The radium content of the treatment waste solids and beneficial products must be accurately determined when evaluating the efficacy and social validity of such treatments. While gam...

journal_title：Journal of environmental radioactivity

authors： Ajemigbitse MA,Cheng Y,Cannon FS,Warner NR

更新日期：2020-01-01 00:00:00

abstract：:The detection of radioactive noble gases is a primary technology for verifying compliance with the pending Comprehensive Nuclear-Test-Ban Treaty. A fundamental challenge in applying this technology for detecting underground nuclear explosions is estimating the timing and magnitude of the radionuclide signatures. While...

journal_title：Journal of environmental radioactivity

authors： Paul MJ,Biegalski SR,Haas DA,Jiang H,Daigle H,Lowrey JD

更新日期：2018-07-01 00:00:00