Determination of transfer factors for 90Sr and stable Sr from soil to plants in semi-arid regions of Türkiye

IF 2.2 3区环境科学与生态学 Q3 ENVIRONMENTAL SCIENCES

Journal of environmental radioactivity Pub Date : 2026-03-01 Epub Date: 2026-02-24 DOI:10.1016/j.jenvrad.2026.107935

Nihal Kaya, Mihriban Şahin, Eren Çantay, Abdullah Dirican, Namık Kemal Şahin

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引用次数: 0

Abstract

This study quantifies and compares soil-to-plant transfer factors (F_v) for ⁹⁰Sr with stable Sr isotopes in two semi-arid agricultural regions of Türkiye. Paired soil and crop samples (wheat, barley, clover, purslane, apple, apricot and tomato) were collected from the Sivrihisar NORM area and some parts of Iğdır agricultural areas located within an NPP emergency protective action zone. ⁹⁰Sr activity concentrations was measured by low-level proportional counter, whereas stable Sr was quantified by ICP-MS. Transfer factors (F_v) were derived as concentration ratios. Results indicate a significant correlation between stable Sr and ⁹⁰Sr concentrations of plants (R = 0.89, p < 0.05). For soil, no significant correlation observed between stable Sr and ⁹⁰Sr (R = 0.42, p > 0.05). The stable Sr and ⁹⁰Sr concentrations and F_v,Sr values of the stems were determined to be higher than those of the grains, the opposite was observed for tomato and wheat. These findings provide essential baseline parameters for environmental impact assessment and emergency food-chain modelling in semi-arid climates.

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甘肃半干旱区土壤中90Sr和稳定Sr向植物传递因子的测定。

本研究定量比较了甘肃两个半干旱农业区90Sr与稳定Sr同位素的土壤-植物转移因子（Fv）。成对的土壤和作物样本（小麦、大麦、三叶草、马马草、苹果、杏和番茄）是从Sivrihisar NORM地区和核电站紧急保护行动区内Iğdır农业区的部分地区收集的。用低水平比例计数器测定90Sr活度浓度，ICP-MS测定稳定Sr活度浓度。转移因子（Fv）由浓度比导出。结果表明，植株稳定Sr浓度与90Sr浓度呈显著相关（R = 0.89, p = 0.42, p = 0.05）。茎部Sr、90Sr稳定浓度和Fv、Sr值均高于籽粒，番茄和小麦则相反。这些发现为半干旱气候下的环境影响评估和应急食物链建模提供了基本的基线参数。

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来源期刊

Journal of environmental radioactivity 环境科学-环境科学

CiteScore

4.70

自引率

13.00%

发文量

209

审稿时长

73 days

期刊介绍： The Journal of Environmental Radioactivity provides a coherent international forum for publication of original research or review papers on any aspect of the occurrence of radioactivity in natural systems. Relevant subject areas range from applications of environmental radionuclides as mechanistic or timescale tracers of natural processes to assessments of the radioecological or radiological effects of ambient radioactivity. Papers deal with naturally occurring nuclides or with those created and released by man through nuclear weapons manufacture and testing, energy production, fuel-cycle technology, etc. Reports on radioactivity in the oceans, sediments, rivers, lakes, groundwaters, soils, atmosphere and all divisions of the biosphere are welcomed, but these should not simply be of a monitoring nature unless the data are particularly innovative.