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Nikolic J.L.,Republic Hydro Meteorological Institute of Serbia | Nikolic J.L.,Serbian Academy of Science and Arts | Nikolic D.J.,Union University of Serbia
Nuclear Technology and Radiation Protection | Year: 2012

The aim of this paper is a creation of the spatial distribution of the corresponding coefficients for the indirect determination of global radiation using all direct measurements data of this shortwave radiation balance component in Serbia in the standard climate period (1961-1990). Based on the global radiation direct measurements data recorded in the past and routine measurements/observations of cloudiness and sunshine duration, the spatial distribution coefficients maps required for calculation of global radiation were produced on the basis of sunshine/cloudiness in an arbitrary point on the territory of Serbia. Be sides, a specific verification of the proposed empirical formula was performed. This paper contributes to a wide range of practical applications as direct measurements of global radiation are relatively rare, and are not carried out in Serbia to day. Significant application is possible in the do main of re new able energy sources. The development of method for determination of the global radiation has an importance from the aspect of the environmental protection; how ever it also has an economic importance through applications in numerous commercial projects, as it does not require special measurements or additional financial investments. Source


Nikolic J.L.,Republic Hydro Meteorological Institute of Serbia | Radovanovic M.M.,Serbian Academy of Science and Arts | Milijasevic D.P.,Serbian Academy of Science and Arts
Nuclear Technology and Radiation Protection | Year: 2010

The paper represents an attempt to establish whether the specific processes on the Sunhad preceded the sudden weather condition changes in Torino for a selected time period by using the method of analogy. The anal y sis represents a test on the heliocentric approach, i. e., case analysis which is selected arbitrarily. The results of Mann-Whitney U test on the global level are the basis of the approach to the anal y sis. In case when 100 Me V protons are ob served, the significant difference exists only between the day before the origin of the disturbance and the second day after the origin. At protons in the energy range of 10 Me V, the significant difference exists between the second and the first day be fore the origin of the disturbance, the day in which it came to the disturbance of the at mosphere, as well as the day after that. Ob serving 1 MeV protons, the significant difference exists between the second day before the origin of the disturbance in the at mosphere and the next three days (the day be fore the or igin, the day of the origin, and the day after the origin of the disturbance). Source


Nikolic J.L.,Republic Hydro Meteorological Institute of Serbia | Veselinovic N.C.,Vinca Institute of Nuclear Sciences | Tollefsen T.B.,European Commission - Joint Research Center Ispra | Celikovic I.T.,Vinca Institute of Nuclear Sciences | And 3 more authors.
Nuclear Technology and Radiation Protection | Year: 2010

This paper presents the results of identification of natural ionizing irradiation in the vicinity of Nikola Tesla B power plant ash disposal field. The investigations have comprised the determination of natural gas (radon and thoron) activities with a passive discriminative nuclear track detector (CR 39) in the air column of the depth of 80 cm in the soil. The determination of gamma dose rate has been given as well, including the corresponding GPS coordinates of 28 measuring points. Source


Nikolic J.L.,Republic Hydro Meteorological Institute of Serbia | Ducic V.D.,University of Belgrade | Martic-Bursac N.M.,University of Nis
Nuclear Technology and Radiation Protection | Year: 2011

Increased ultraviolet radiation potentially detrimental to health is a direct effect of the reduced ozone layer of the Earth's atmosphere. Stratospheric ozone over the territory of Serbia and immediate surrounding depleted in the considered period of 1979-2008; its amount reduced by 7.6%. Solar and volcanic activities have significant effect on the interannual variability of the stratospheric ozone. Ozone layer over Serbia is 13.8% thicker than the planetary layer, with the ozone hole forming once in five years on average without serious health implications. Source

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