abstract：:After introducing geostatistics concept and its utility in environmental science and especially in Fallout Radionuclide (FRN) spatialisation, a case study for cesium-137 ((137)Cs) redistribution at the field scale using geostatistics is presented. On a Canadian agricultural field, geostatistics coupled with a Geograph...

journal_title：Journal of environmental radioactivity

authors： Mabit L,Bernard C

更新日期：2007-01-01 00:00:00

abstract：:Lysimeter experiments were carried out in a greenhouse to study the fate of HTO following its soil deposition at different growth stages of Chinese cabbage. An HTO solution was applied to the surface of an acidic sandy soil at a time before, and four different times after, sowing. The transfer of HTO to the plants was...

journal_title：Journal of environmental radioactivity

authors： Choi YH,Kang HS,Jun I,Keum DK,Lee H,Kim SB,Lee CW

更新日期：2007-01-01 00:00:00

abstract：:Aiming to determine the plutonium amount as well as its isotopic composition, in particular, in swipe samples for safeguards purposes, an analytical method was developed with a plutonium separation step based on extraction chromatography using 2 cm TEVA columns and detection with quadrupole ICP-MS applying an ultra-so...

journal_title：Journal of environmental radioactivity

authors： Godoy ML,Godoy JM,Roldão LA

更新日期：2007-01-01 00:00:00

abstract：:The concentration activity of radon-222 has been monitored, with some interruptions, from 1997 to 2005 in the end section of a slightly rising, dead-end, 38-m long tunnel located in the Phulchoki hill, near Kathmandu, Nepal. While a high concentration varying from 6 x 10(3) Bq m(-3) to 10 x 10(3) Bq m(-3) is observed ...

journal_title：Journal of environmental radioactivity

authors： Perrier F,Richon P,Gautam U,Tiwari DR,Shrestha P,Sapkota SN

更新日期：2007-01-01 00:00:00

abstract：:222Rn and 220Rn in geothermal steam at Wairakei, NZ, range from 11 to 19, 500 Bq kg-1, and 25 to 16, 700 Bq kg-1, respectively, but do not cause toxic concentrations in air. The wide ranges are mainly due to differences in different physical conditions underground (e.g. thin silica diffusion barriers), not geochemical...

journal_title：Journal of environmental radioactivity

authors： Whitehead NE,Barry BJ,Ditchburn RG,Morris CJ,Stewart MK

更新日期：2007-01-01 00:00:00

abstract：:We have developed a simple and portable technique for measuring moderately high levels of 222Rn (t1/2=3.8d) in natural waters such as coastal water, groundwater, and river water. The water sample is carefully collected in a glass bottle, and the sample bottle is connected to a radon-in-air monitor in a closed air-loop...

journal_title：Journal of environmental radioactivity

authors： Lee JM,Kim G

更新日期：2006-01-01 00:00:00

abstract：:EXPURT, NRPB's model for calculating external gamma doses in inhabited areas, was originally developed in the mid-1980s. Deposition on surfaces in the area, the subsequent transfer of material between different surfaces or its removal from the system, and dose rates in various locations from material on the different ...

journal_title：Journal of environmental radioactivity

authors： Jones JA,Singer LN,Brown J

更新日期：2006-01-01 00:00:00

abstract：:There is a continual supply of new experimental data that are relevant to the assessment of the potential impacts of nuclear fuel waste disposal. In the biosphere, the traditional assessment models are data intensive, and values are needed for several thousand parameters. This is augmented further when measures of cen...

journal_title：Journal of environmental radioactivity

authors： Sheppard SC,Sheppard MI,Tait JC,Sanipelli BL

更新日期：2006-01-01 00:00:00

abstract：:A greenhouse experiment was set up with maize, ryegrass, Indian mustard, wheat and pea to evaluate to what extent differences in uranium (U) transfer factors can be explained by root-mediated changes in selected soil properties. The experiment involved an acid and an alkaline soil contaminated with (238)U. U soil-to-s...

journal_title：Journal of environmental radioactivity

authors： Duquène L,Vandenhove H,Tack F,Van der Avoort E,Van Hees M,Wannijn J

更新日期：2006-01-01 00:00:00

abstract：:The potential radiological impact of the increase of radioactive substances in the environment makes interesting the study of the migration of the contaminant radionuclides in soils and sediments, which are the last receiver system of these substances. By using a battery of sedimentary columns controlled in the labora...

journal_title：Journal of environmental radioactivity

authors： Ligero RA,Feria F,Casas-Ruiz M,Corredor C

更新日期：2006-01-01 00:00:00

abstract：:The necessity to provide information about radionuclide concentrations in Arctic marine species has been heightened in recent years due to a number of accidents in Arctic regions involving nuclear vessels and the presence of a large number of potential radioactive contamination sources. The provision for such informat...

journal_title：Journal of environmental radioactivity

authors： Brown J,Dowdall M,Gwynn JP,Børretzen P,Selnaes ØG,Kovacs KM,Lydersen C

更新日期：2006-01-01 00:00:00

abstract：:Vertical distribution and inventories of (137)Cs have been determined using radiocesium distributions in presumably undistributed soil profiles, collected from 36 sites distributed all over Syria (eastern Mediterranean region). Vertical distributions of (137)Cs in the collected profiles were found to be strongly corre...

journal_title：Journal of environmental radioactivity

authors： Al-Masri MS

更新日期：2006-01-01 00:00:00

abstract：:Atmospheric depositional fluxes of the naturally occurring 7Be of cosmogenic origin and 137Cs from fallout of the Chernobyl accident were measured over a 6-year period (January 1987-December 1992) at Thessaloniki, Greece (40 degrees 38'N, 22 degrees 58'E). Total precipitation accumulation during 1987-1992 varied betwe...

journal_title：Journal of environmental radioactivity

authors： Ioannidou A,Papastefanou C

更新日期：2006-01-01 00:00:00

abstract：:The Brazilian phosphate fertilizer is obtained by wet reaction of igneous phosphate rock with concentrated sulphuric acid, giving as final product, phosphoric acid and dehydrated calcium sulphate (phosphogypsum) as by-products. Phosphoric acid is the starting material for triple superphosphate (TSP), single superphosp...

journal_title：Journal of environmental radioactivity

authors： Saueia CH,Mazzilli BP

更新日期：2006-01-01 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：:The Gastein valley in the Central Part of the Austrian Alps was one of the regions most heavily affected by fallout of the Chernobyl nuclear catastrophe, depositing (137)Cs inventory up to 70 kBq/m(2) in May 1986. In many studies dealing with the uptake of (137)Cs by vegetation used for farming, a significant correlat...

journal_title：Journal of environmental radioactivity

authors： Lettner H,Griesebner A,Peer T,Hubmer AK,Pintaric M

更新日期：2006-01-01 00:00:00

abstract：:The level of natural radiation in some regions of Ramsar, a northern coastal city of Iran, is known to be among the highest levels of natural radiation in the world. 226Ra existing in high concentrations in the soil of this region is washed by underground water and transferred to the surface. In this way, 226Ra enters...

journal_title：Journal of environmental radioactivity

authors： Aghamiri SM,Ghorbani Z,Darafsheh A,Torabzadeh H,Fathivand AA,Minuchehr A,Jalinoos A

更新日期：2006-01-01 00:00:00

abstract：:Mussels are worldwide recognized as pollution bioindicators and used in Mussel Watch programs, because they accumulate pollutants in their tissues at elevated levels in relation to pollutant biological availability in the marine environment. The present study deals with the use of Mytilus galloprovincialis as a local ...

journal_title：Journal of environmental radioactivity

authors： Catsiki VA,Florou H

更新日期：2006-01-01 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：:Monitoring of the marine environment for radioactivity, for both radiological protection and oceanographic purposes, remains an expensive and labour intensive activity due to the large sample volumes needed and the complex and lengthy analytical procedures required to measure low levels of contamination. Because of th...

journal_title：Journal of environmental radioactivity

authors： Dowdall M,Gerland S,Karcher M,Gwynn JP,Rudjord AL,Kolstad AK

更新日期：2005-01-01 00:00:00

abstract：:During 1998 regional surveys were conducted to evaluate natural radiation exposure of people in the vicinity of the six Spanish nuclear power stations. Indoor radon, external gamma dose rates outdoors and indoors and radioactivity in soil were measured in these surveys. The highest mean annual effective dose to the po...

journal_title：Journal of environmental radioactivity

authors： Poncela LS,Navarro PL,Fernández CS,Matarranz JL,García JA

更新日期：2005-01-01 00:00:00

abstract：:Samples of phosphate fertilizers and farm soils, taken to a depth of up to 30 cm in cultivated land, were collected over the Qena governorate, Upper Egypt. Activity concentration of background radionuclides such as (226)Ra, (232)Th and (40)K of these samples were determined by gamma-ray spectrometry. The results show ...

journal_title：Journal of environmental radioactivity

authors： Ahmed NK,El-Arabi AG

更新日期：2005-01-01 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：:An expert group was established in 2001 representing various organisations and authorities responsible for primary production, food processing, the distribution and consumption of foodstuffs, food safety and availability, catering and extension services, nature conservation, research into environmental impacts, and th...

journal_title：Journal of environmental radioactivity

authors： Rantavaara A,Wallin H,Hasunen K,Härmälä K,Kulmala H,Latvio E,Liskola K,Mustonen I,Nieminen I,Tainio R

更新日期：2005-01-01 00:00:00

abstract：:The importance of major stakeholders participating in the formulation of strategies for maintaining food safety and agricultural production following a nuclear accident has been successfully demonstrated by the UK 'Agriculture and Food Countermeasures Working Group' (AFCWG). The organisation, membership and terms of r...

journal_title：Journal of environmental radioactivity

authors： Alexander C,Burt R,Nisbet AF

更新日期：2005-01-01 00:00:00

abstract：:Safety assessment is a tool which, by means of an iterative procedure, allows the evaluation of the performance of a disposal system and its potential impact on human health and the environment. Radionuclides from a deep geological disposal facility may not reach the surface environment until many tens of thousands of...

journal_title：Journal of environmental radioactivity

authors： Simón I,Naito M,Thorne MC,Walke R

更新日期：2005-01-01 00:00:00

abstract：:The transfer of radiocaesium, one of the most important and widespread contaminants following a nuclear accident, to the fibre crops hemp (Cannabis sativa L.) and flax (Linum usitatissimum L.) as well as the distribution of radiocaesium during crop conversion were studied for sandy soil under greenhouse and lysimeters...

journal_title：Journal of environmental radioactivity

authors： Vandenhove H,Van Hees M

更新日期：2005-01-01 00:00:00

abstract：:Data on biogeochemistry of thorium are rather limited. So far little is known about toxic effects of small amounts of the radionuclide on higher plants. In this study the uptake of thorium by wheat seedlings was measured by greenhouse experiments. Germination of wheat seeds for 6 days in the presence of thorium result...

journal_title：Journal of environmental radioactivity

authors： Shtangeeva I,Ayrault S,Jain J

更新日期：2005-01-01 00:00:00

abstract：:Soil-to-plant transfer factors (TF) of radiocaesium (137Cs) were determined under field condition for grassy vegetation grown in Bangladesh at contaminated land in the Atomic Energy Research Establishment (AERE) campus. TF values for rice, grass and grassy/root vegetations grown in the same type of soil were also meas...

journal_title：Journal of environmental radioactivity

authors： Rahman MM,Rahman MM,Koddus A,Ahmad GU,Voigt G

更新日期：2005-01-01 00:00:00

abstract：:This short paper describes a number of investigations carried out to ensure preparedness for crises involving radioactivity to catering operations and private households in Finland. The specific recommendations for catering kitchens during crises were published in 1994. A study to determine the level of adherence to t...

journal_title：Journal of environmental radioactivity

authors： Enqvist H

更新日期：2005-01-01 00:00:00

abstract：:The paper presents the results of a study on radiological impacts resulting from a zircon sand processing plant located in the North-Eastern part of Italy. Activity concentrations of radionuclides found in materials associated with this industrial process are presented as well as the results of the assessment of the a...

journal_title：Journal of environmental radioactivity

authors： Righi S,Andretta M,Bruzzi L

更新日期：2005-01-01 00:00:00

abstract：:This paper presents a general, process-based dynamic model for coastal areas for radionuclides (metals, organics and nutrients) from both single pulse fallout and continuous deposition. The model gives radionuclide concentrations in water (total, dissolved and particulate phases and concentrations in sediments and fis...

journal_title：Journal of environmental radioactivity

authors： Håkanson L

更新日期：2005-01-01 00:00:00

abstract：:Scales and sludge generated during oil extraction and production can contain uranium, thorium, radium and other natural radionuclides, which can cause exposure of maintenance personnel. This work shows how the oil content can influence the results of measurements of radionuclide concentration in scale and sludge. Samp...

journal_title：Journal of environmental radioactivity

authors： Paranhos Gazineu MH,de Araújo AA,Brandão YB,Hazin CA,de O Godoy JM

更新日期：2005-01-01 00:00:00

abstract：:Phosphogypsum board is a popular construction material used for housing panels in Korea. Phosphogypsum often contains (226)Ra which decays into (222)Rn through an alpha transformation. (222)Rn emanated from the (226)Ra-bearing phosphogypsum board has drawn the public concern due to its potential radiological impacts t...

journal_title：Journal of environmental radioactivity

authors： Jang M,Kang CS,Hyun Moon J

更新日期：2005-01-01 00:00:00

abstract：:Most commercially based activated charcoal radon collectors were designed for use in indoor environments. However, at present, they are often used for research in radon surveys in unique environments, such as in the bathrooms, underground areas, mines, caves and tunnels. In these environments, the relative humidity wo...

journal_title：Journal of environmental radioactivity

authors： Iimoto T,Tokonami S,Morishita Y,Kosako T

更新日期：2005-01-01 00:00:00

abstract：:The setting up of the Greek Stakeholders Group in the framework of the EC Food and Agriculture Restoration Management Involving Networked Groups (FARMING) project is described. The Group included members from more than 20 governmental and non-governmental organisations, having interest and/or responsibilities in the m...

journal_title：Journal of environmental radioactivity

authors： Ioannides KG,Tzialla CE,Papachristodoulou CA,Papanikolaou C,Apostolopoulos C

更新日期：2005-01-01 00:00:00

abstract：:The present paper describes the application of a state-of-the-art model to two lakes in central Italy (Trasimeno and Monterosi) for the assessment of migration parameters of (137)Cs and (90)Sr (migration velocity to sediment, transfer rates from sediment to water and to bottom sediment). Applications of a compartment ...

journal_title：Journal of environmental radioactivity

authors： Monte L,Grimani C,Desideri D,Angeli G

更新日期：2005-01-01 00:00:00

abstract：:In most studies quantifying the migration parameters - apparent migration velocity and apparent dispersion coefficient - of radionuclides in the soil by model calculations, these parameters are determined for undisturbed soils. For soils disturbed by ploughing, however, no such data are available in the literature. Th...

journal_title：Journal of environmental radioactivity

authors： Shinonaga T,Schimmack W,Gerzabek MH

更新日期：2005-01-01 00:00:00

abstract：:An alternative method for determination of activities of natural, technogenic and fallout radionuclides in environmental samples was proposed. The method used a widely available scintillation spectrometer and was based on the decomposition of samples' gamma-spectra into spectral components of separate radionuclide gro...

journal_title：Journal of environmental radioactivity

authors： Muminov IT,Muhamedov AK,Osmanov BS,Safarov AA,Safarov AN

更新日期：2005-01-01 00:00:00

abstract：:The results of the studies presented in the paper have shown that in the Upper Silesian Region in Poland, radon indoor concentration levels depend first of all on the geological structure of the subsurface layers. The essential factors influencing radon migration ability are the mining-induced transformations of a roc...

journal_title：Journal of environmental radioactivity

authors： Wysocka M,Kotyrba A,Chalupnik S,Skowronek J

更新日期：2005-01-01 00:00:00