Spectroscopy and Spectral Analysis, Volume. 40, Issue 12, 3832(2020)

Study on Adsorption Behavior of Dissolved Organic Matter Onto Soil With Spectroscopic Method

Chuang-he MIAO1,1、*, Yi-zhong LÜ1,1, Yue YU1,1, and Kang ZHAO1,1
Author Affiliations
  • 1[in Chinese]
  • 11. College of Land Science and Technology, China Agricultural University, Beijing 100193, China
  • show less
    Figures & Tables(8)
    The adsorbed amount of DOM (a) and DOC (b) concentration with adsorption timeMT: Black soil; CT: Fluvo-aquic soil; QS: Quartz sand
    UV-Visible spectral characteristics of DOM in equilibrium solution after adsorptionMT: Black soil; CT: Fluvo-aquic soil; QS: Quartz sand
    SUVA254 (a) and A254 (b) values of DOC in solution after adsorption
    Fluorescentce components (C1,C2,C3) of DOM identified by the PARAFAC model
    Excitation and emission loadings of the three components (C1,C2,C3) identified by the DOM Fluor-PARAFAC model
    The fluorescent intensity of the fluorescent components (C1,C2,C3) of three PARAFAC models in DOM with adsorption time
    • Table 1. Basical physical and chemical properties of the tested soils

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      Table 1. Basical physical and chemical properties of the tested soils

      土壤类型成土母质粘土矿物有机质/
      (g·kg-1)
      粒径组成/%
      粗砂
      >0.2 mm
      细砂
      0.2~0.02 mm
      粉粒
      0.02~0.002 mm
      黏粒
      <0.002 mm
      黑土黄土状粘土沉积物主要为蒙脱石34.891.0924.5938.5138.01
      潮土河流冲积物主要为伊利石4.557.0182.020.5010.47
    • Table 2. Pearson correlation coefficients between quantity, spectroscopic characteristics of DOM and fluorescence component

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      Table 2. Pearson correlation coefficients between quantity, spectroscopic characteristics of DOM and fluorescence component

      A254A260A280SUVA254E2/E3E4/E6DOCC1C2C3
      A2541
      A2600.999**1
      A2800.999**1*1
      SUVA2540.733**0.734**0.724**1
      E2/E3-0.832**-0.832**-0.840**-0.2901
      E4/E6-0.823**-0.822**-0.829**-0.2660.914**1
      DOC0.957**0.956**0.960**0.517**-0.899**-0.928**1
      C10.843**0.844**0.835**0.932**-0.419**-0.468**0.707**1
      C20.759**0.759**0.749**0.934**-0.283-0.364*0.604**0.977**1
      C30.948**0.948**0.943**0.886**-0.619**-0.631**0.839**0.949**0.906**1
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    Chuang-he MIAO, Yi-zhong LÜ, Yue YU, Kang ZHAO. Study on Adsorption Behavior of Dissolved Organic Matter Onto Soil With Spectroscopic Method[J]. Spectroscopy and Spectral Analysis, 2020, 40(12): 3832

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    Paper Information

    Category: Research Articles

    Received: Jul. 22, 2019

    Accepted: --

    Published Online: Jun. 18, 2021

    The Author Email: Chuang-he MIAO (mchhsf@163.com)

    DOI:10.3964/j.issn.1000-0593(2020)12-3832-07

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