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tool as the 239 Pu and 240 Pu atomic ratios ( 240 Pu/ 239 Pu) can be used to indicate the source. For instance, 240 Pu/ 239 Pu atomic ratios from global fallout (~0.18) differ from well-known 240 Pu/ 239 Pu atomic ratios from events such as Fukushima (0.30–0.33) ( Zheng et al ., 2012 ) and Chernobyl (~0.43) ( Ketterer et al ., 2004b ). These distinct ratios may be useful for separating phases of sediment deposition because the nuclear accidents and testing dates are well known ( Kelley et al ., 1999 ).
There are six principal radio-isotopes of Plutonium
Marcela Gergeľová, Žofia Kuzevičová and Štefan Kuzevič
In general, air quality is determined from the concentrations of pollutants in ambient air. Air quality criteria (limit and target values, margin of tolerances, upper and lower assessment thresholds) are based on the current legislative framework. In Slovakia, the air quality criteria are imposed by Decree No 360/2010 Coll, on air quality, of the Ministry of Environment . In relation to the implemented measurements, it is necessary to choose effective tools needed for the pre-processing and post-processing of overall air quality assessment. The article aims at applying suitable GIS tools in the assessment process of air quality in the Košice agglomeration for the selected period 2008-2010. In the overall assessment of the area in question, the processing of information on emissions declared as particulate matter (PM) was considered in terms of a conservative approach to the assessment of air quality for PM10. For the assessment, the yearbooks and reports on air quality in Slovakia in 2008-2010 of the Slovak Hydrometeorological Institute (SHMI) and professional publications were used
This study presents a new self-diagnose method for the recently developed post-IR infrared stimulated luminescence (pIRIR) dating protocols. This criterion studies the dependence of equivalent dose (D
e) on measurement-temperature (T) and time (t), by applying the D
e (t) analysis to the IRLS and pIRIR signals measured under different temperatures, and combines these D
e (t) plots into one, so-called the D
e (T, t) plot. The pattern of the D
e (T, t) plot is shown to be affected by anomalous fading, partial bleaching and non-bleachable signal. A D
e plateau can be achieved in the D
e (T, t) plot only when the effects of these factors are insignificant. Therefore, this plot can be used as a self-diagnose tool for the validity of pIRIR results. The D
e (T, t) analysis has been applied to four recently developed pIRIR protocols, using aeolian samples with different ages. The results show that this self-diagnose tool can be applied to different pIRIR protocols for validating the pIRIR dating results and evaluating the pIRIR measurement conditions.
Mateusz Płóciennik, Andrzej Kruk, Danuta J. Michczyńska and H. John B. Birks
GEOCHRONOMETRIA 42 (2015): 189–201,
KOHONEN ARTIFICIAL NEURAL NETWORKS AND THE IndVal INDEX AS SUPPLEMENTARY TOOLS FOR THE QUANTITATIVE ANALYSIS OF PALAEOECOLOGICAL DATA DOI 10.1515/geochr-2015-0021
The online version of the original article can be found at: http://dx.doi.org/10.1515/geochr-2015-0021
Due to the unwitting but undoubted fault of the first and third authors, important people and institutions were omitted from our Acknowledgements. We are very grateful to Dr. Milena Obremska from Warsaw Research Center for providing unpublished
Mateusz Płóciennik, Andrzej Kruk, Danuta J. Michczyńska and John B. Birks
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