去除有机质对土壤光谱特性的影响
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Spectral Characteristics of Soils in Hunan Province as Affected by Removal of Soil Organic Matter
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    摘要:

    通过野外调查取样和室内理化分析,研究了去除有机质对湖南省几种耕作土壤高光谱特性的影响。结果表明,去除土壤有机质以后,供试土壤的光谱反射曲线形态均有一定的变化,土壤的光谱反射率不管在全波段还是在分波段都有明显的增加;此外,由于有机质是影响和干扰氧化铁光谱特性的一个重要因子,去除土壤有机质以后,几个研究波段的光谱反射率与游离氧化铁、全Fe、无定形氧化铁的相关系数都有显著的提高。

    Abstract:

    Spectral characteristics of several arable soils in Hunan Province and their relationship with soil organic matter were studied through field sampling and lab analysis. Results showed that the spectral reflection curves of the tested soils changed in shape to a certain extent, with the spectrum reflectance increasing significantly either over all wavebands or at individual wavebands after the soils were cleared soil organic matter. Furthermore, the correlation coefficients of the spectrum reflectance at the studied wave bands with the content of total iron, free iron oxides, and amorphous iron oxides all increased significantly.

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彭杰,张杨珠,周清,刘香伶,周卫军.去除有机质对土壤光谱特性的影响[J].土壤,2006,38(4):454-458. PENG Jie, ZHANG Yang-zhu, ZHOU Qing, LIU Xiang-ling, ZHOU Wei-jun. Spectral Characteristics of Soils in Hunan Province as Affected by Removal of Soil Organic Matter[J]. Soils,2006,38(4):454-458

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  • 在线发布日期: 2017-05-20
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