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Tritium isoscape of precipitation across the Adriatic-Pannonian realm (CROSBI ID 679600)

Prilog sa skupa u zborniku | sažetak izlaganja sa skupa

Erdélyi, Dániel ; Kern, Zoltan ; Hatvani, István G ; Kanduč, Tjaša ; Štrok, Marko ; Fórizs, István ; Palcsu, László ; Kohán, Balázs ; Krajcar Bronić, Ines ; Vreča, Polona Tritium isoscape of precipitation across the Adriatic-Pannonian realm // Abstract Book of the GEOMATES 2019, International Congress on Geomathematics in Earth- and Environmental Sciences / Hatvani, IG ; Tanos, P. ; Fedor, F. (ur.). Pečuh: Pecs Regional Committee of the Hungarian Academy of Sciences, 2019. str. 55-55

Podaci o odgovornosti

Erdélyi, Dániel ; Kern, Zoltan ; Hatvani, István G ; Kanduč, Tjaša ; Štrok, Marko ; Fórizs, István ; Palcsu, László ; Kohán, Balázs ; Krajcar Bronić, Ines ; Vreča, Polona

engleski

Tritium isoscape of precipitation across the Adriatic-Pannonian realm

Tritium is an important natural tracer in hydrological sciences. The dataset used in the present study is compiled of ~7, 700 monthly precipitation tritium activity values from 71 stations, covering the period from Jan 1961 to Dec 2017. As a pre-processing step, a sequential univariate outlier detection procedure was applied in which the time series of the stations were pairwise compared for each year. Variogram analysis was then applied to the precipitation amount weighted annual averages of tritium activity. Variograms applicable for interpolation were obtained from years 1977, 1982, 2007, 2010, 2011 and 2012. These where further on used as the reference years, and their variograms were used as the weights for kriging in the intermediate years. It suggests a decrease in spatial representativity of the precipitation monitoring stations from 590 km in 1977 to ~270 km in 2012, which might reflect the diminishing influence of broadly homogenous anthropogenic disturbance (i.e., global effect of bomb tests) on natural tritium levels of precipitation. Since 3H activity in the region approximated the natural level in precipitation by the early-1990s, it can be expected that the ~270 km range obtained for the 2012 reflects the natural 3H variability. The final product of the research was a database of the interpolated 1x1 km grids of each year’s tritium activity.

tritium ; isoscapes ; precipitation

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Podaci o prilogu

55-55.

2019.

objavljeno

Podaci o matičnoj publikaciji

Abstract Book of the GEOMATES 2019, International Congress on Geomathematics in Earth- and Environmental Sciences

Hatvani, IG ; Tanos, P. ; Fedor, F.

Pečuh: Pecs Regional Committee of the Hungarian Academy of Sciences

978-963-7068-11-9

Podaci o skupu

International Congress on Geomathematics in Earth- and Environmental Sciences (GEOMATES 2019)

poster

16.05.2019-18.05.2019

Pečuh, Mađarska

Povezanost rada

Interdisciplinarne prirodne znanosti

Poveznice