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Estimation of Salt Origin of Irrigation District Using Strontium Isotope Ratio and Chemical Composition

Estimation of Salt Origin of Irrigation District Using Strontium Isotope Ratio and Chemical Composition
利用锶同位素比和化学成分估算灌区盐的来源
批准号:
22780225
负责人:
KUME Takashi
金额:
$2.66万
依托单位国家:
日本
项目类别:
Grant-in-Aid for Young Scientists (B)
财政年份:
2010
资助国家:
日本
项目状态:
已结题
起止时间:
2010 至 2012

项目摘要

项目成果

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中文摘要
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英文摘要
Salt origins of agricultural drainage water samples can be analyzed by the 87Sr/86Sr isotope ratio and chemical composition. Plots of 87Sr/86Sr vs. 1/Sr suggested that the origin of salt in drain water were irrigation water, fertilizer and fossil seawater, and analysis of a mixing model incorporating these three end-components showed that the origins of Sr in drainage differed markedly between summer and winter. Origins of sodium and calcium of the drain water were also tested using 87Sr/86Sr and Na/Sr and Ca/Sr as tracers. While quantitative analysis has been in process, environmental dynamics of sodium and calcium could be interpreted by result of strontium isotope analysis using plots of those tracers.
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期刊:
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影响因子: --
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期刊:
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作者: [KUME, T., NAITO, D., ABE, K., Miyoshi Y., 久米崇 ,長野宇規 ,中野孝教,渡邉紹裕]
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