Establishment of control site baseline data for erosion studies using radionuclides: a case study in East Slovenia

Mabit, Lionel; Martín, Paul; Jankong, Patcharin; Toloza, Arsenio; Padilla-Álvarez, R.; Zupanc, Vesna

doi:10.1016/j.jenvrad.2010.05.008

Cited by 25 publications

(8 citation statements)

References 45 publications

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“…The 137 Cs baseline inventory of the remaining 10 depth-incremental samples was 1607 ± 292 Bq m −2 (cv. of 18 %) with an al- lowable error of 10 % at the 90 % confidence level (Mabit et al, 2010(Mabit et al, , 2012. The variability of the reference inventories is within the range for forest sites reported by Sutherland (1991Sutherland ( , 1996 and Owen and Walling (1996).…”

Section: Quantification Of Soil Redistributionsupporting

confidence: 62%

Combined use of stable isotopes and fallout radionuclides as soil erosion indicators in a forested mountain site, South Korea

et al. 2013

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Abstract. The aim of this study is to assess and to validate the suitability of the stable nitrogen and carbon isotope signature as soil erosion indicators in a mountain forest site in South Korea. Our approach is based on the comparison of the isotope signature of "stable" landscape positions (reference sites), which are neither affected by erosion nor deposition, with eroding sites. For undisturbed soils we expect that the enrichment of δ15N and δ13C with soil depth, due to fractionation during decomposition, goes in parallel with a decrease in nitrogen and carbon content. Soil erosion processes potentially weaken this correlation. The 137Cs method and the Revised Universal Soil Loss Equation (RUSLE) were applied for the soil erosion quantification. Erosion rates obtained with the 137Cs method range from 0.9 t ha−1 yr−1 to 7 t ha−1 yr−1. Considering the steep slopes of up to 40° and the erosive monsoon events (R factor of 6600 MJ mm ha−1 h−1 yr –1), the rates are plausible and within the magnitude of the RUSLE-modeled soil erosion rates, varying from 0.02 t ha−1 yr−1 to 5.1 t ha−1 yr−1. The soil profiles of the reference sites showed significant (p < 0.0001) correlations between nitrogen and carbon content and its corresponding δ15N and δ13C signatures. In contrast, for the eroding sites this relationship was weaker and for the carbon not significant. These results confirm the usefulness of the stable carbon isotope signature as a qualitative indicator for soil disturbance. We could show further that the δ15N isotope signature can be used similarly for uncultivated sites. We thus propose that the stable δ15N and δ13C signature of soil profiles could serve as additional indicators confirming the accurate choice of the reference site in soil erosion studies using the 137Cs method.

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Section: Quantification Of Soil Redistributionsupporting

confidence: 62%

Combined use of stable isotopes and fallout radionuclides as soil erosion indicators in a forested mountain site, South Korea

et al. 2013

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“…A total of 40 undisturbed samples from 10 soil profiles on the upper terrace Jid-Cs were collected in the centre of the terrace at four depth increments (0-10, 10-20, 20-30 and 30-40 cm) following the sampling scheme proposed by Mabit et al (2010). As told by inhabitants, local farmers and, based on enquiries, this higher terrace has been a pasture for the last century.…”

Section: Laboratory γ-Spectrometry Determination Of Frn (Ie 137 Cs)mentioning

confidence: 99%

Terrace soils in the Yemen Highlands: Using physical, chemical and radiometric data to assess their suitability for agriculture and their vulnerability to degradation

Pietsch

Mabit

2012

Geoderma

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“…The activity concentration is quite different at each site, in which carbonaceous soils at P2, P3 and P6 showed higher concentrations than any other soils at P1, P4 and P5. Mabit et al [7] investigated vertical distribution of 137 Cs in the forest soils at Šalamenci in the north eastern part of Slovenia. They found a maximum activity concentration of 147 Bqkg − 1 with an average of 70 ± 33 Bqkg −1 in the first 10 cm of the soil.…”

Section: Depth Distribution Profiles Of 137 Csmentioning

confidence: 99%

“…It is also a key parameter to evaluate geological phenomena like land slides or sedimentation in aquatic environments. Mabit et al [7] built a reference site in Slovenia for assessing soil erosion processes on soil quality in agricultural land using natural and fallout radionuclides. Among numerous papers published on migration of 137 Cs in soil, Likar et al [8] theoretically investigated diffusion and migration of 137 Cs in undisturbed soil in Slovenia using diffusion-convection model.…”

Section: Introductionmentioning

confidence: 99%

Tracing depositional consequences of environmental radionuclides (137Cs and 210Pb) in Slovenian forest soils

et al. 2011

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Depth distribution profiles of environmental radionuclides (137Cs and 210Pb) have been investigated in soil to elucidate the underlying environment of semi-natural temperate deciduous and/or coniferous forest soils in Slovenia (Žirovski vrh, Idrija, Kočevski Rog, Pohorie, Gorišnica and Rakitna). Surface enrichment of both nuclides was observed at all the sites investigated in this study, suggesting that the soils had undergone little natural or anthropogenic disturbance for at least the last several decades. Apparent annual burial rates of 137Cs (0.1–0.2 cm y−−1) were estimated to be about 1.3 times higher than those of 210Pb at individual sites of different lithology, which suggests strong affinity of 210Pb to soil organic matter. Variability of the vertical distribution profiles of these nuclides depends not only on “in situ” pedology but also on geographical and meteorological conditions, especially precipitation and wind direction.

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Establishment of control site baseline data for erosion studies using radionuclides: a case study in East Slovenia

Cited by 25 publications

References 45 publications

Combined use of stable isotopes and fallout radionuclides as soil erosion indicators in a forested mountain site, South Korea

Combined use of stable isotopes and fallout radionuclides as soil erosion indicators in a forested mountain site, South Korea

Terrace soils in the Yemen Highlands: Using physical, chemical and radiometric data to assess their suitability for agriculture and their vulnerability to degradation

Tracing depositional consequences of environmental radionuclides (137Cs and 210Pb) in Slovenian forest soils

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