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Technique, analysis routines, and application of direct push-driven in situ color logging

机译：直接推送驱动的原位色彩记录的技术，分析程序和应用

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摘要

Color data are a useful proxy for soil/sediment parameterization since they reflect material characteristics. We introduce direct push color logging for real-time and depth-resolved, in situ colorimetric record of colors in unconsolidated sediments in terrestrial environments. Until now, no routines exist on how to handle highly resolved (mm-scale) data. To develop such routine, we transform colorimetric data (CIEXYZ) into color surrogates of selected color spaces (CIExyZ, CIEL*a*b*, CIEL*c*h*, sRGB). We obtain interpretable color logs over depth by filtering with Haar and Daublet4 wavelet functions. We verify the approach, according to repeatability of in situ sediment color measurements, with related lithological determination gathered by state-of-the-art direct push-based cone penetration testing and soil sampling data. The developed routine is appropriate for unambiguous transformation of color data into interpretable color surrogates and filtering small-scale variability. We observe that soil color logs are repeatable and proved to correlate with lithological/chemical changes. Thus, the technique allows enhanced profiling by means of providing a reproducible high-resolution parameter for analysis of soil/sediment characteristics. This opens potential new areas of application and new outputs for in situ-obtained colorimetric data in and beyond geotechnical site characterization.
机译：颜色数据是土壤/沉积物参数化的有用代理，因为它们反映了材料特性。我们引入了直接推送颜色日志记录功能，用于实时和深度解析，原位比色记录，以记录陆地环境中未固结沉积物中的颜色。到目前为止，还没有关于如何处理高度解析（毫米级）数据的例程。为了开发这样的例程，我们将比色数据（CIEXYZ）转换为所选颜色空间（CIExyZ，CIEL * a * b *，CIEL * c * h *，sRGB）的颜色替代。通过使用Haar和Daublet4小波函数进行滤波，我们可以获得深度上可解释的颜色日志。我们根据原位沉积物颜色测量的可重复性验证了该方法，并通过最先进的基于直接推动的圆锥渗透测试和土壤采样数据收集了相关的岩性测定结果。所开发的例程适用于将颜色数据明确转换为可解释的颜色替代并过滤小范围的可变性。我们观察到土壤颜色测井是可重复的，并证明与岩性/化学变化相关。因此，该技术通过提供可再现的高分辨率参数来分析土壤/沉积物特性，从而增强了剖析效果。这为岩土工地表征之外的原位获得的比色数据打开了潜在的新应用领域和新输出。

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  • 来源
    《Environmental earth sciences》 |2016年第11期|957.1-957.21|共21页
  • 作者

    Hausmann Joerg; Dietrich Peter; Vienken Thomas; Werban Ulrike;

  • 作者单位

    UFZ Helmholtz Ctr Environm Res, Dept Monitoring & Explorat Technol, Permoserstr 15, D-04318 Leipzig, Germany;

    UFZ Helmholtz Ctr Environm Res, Dept Monitoring & Explorat Technol, Permoserstr 15, D-04318 Leipzig, Germany|Univ Tubingen, Ctr Appl Geosci, Holderlinstr 12, D-70724 Tubingen, Germany;

    UFZ Helmholtz Ctr Environm Res, Dept Monitoring & Explorat Technol, Permoserstr 15, D-04318 Leipzig, Germany;

    UFZ Helmholtz Ctr Environm Res, Dept Monitoring & Explorat Technol, Permoserstr 15, D-04318 Leipzig, Germany;

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  • 原文格式 PDF
  • 正文语种 eng
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  • 关键词

    Color logging tool; In situ; Soil color; Direct push; Colorimeter;

    机译：测色工具;原位;土壤颜色;直接推动;色度计;

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