Any wildfire generates ash, the solid residue derived from burning biomass. Vegetation fire ash consists of charred organic material, charcoal, and inorganic mineral substances. Recent studies identified ash deposits as a dual system: soil and ash strata. The addition of ash to the soil profile alters soil properties and dynamics. A thorough analysis of ash–soil profile reveals a structural appearance of thin laminas. The laminas differ in a variety of physical properties and mineral composition. This research aims at assessing the unique properties of ash–soil profiles by performing an infrared spectroscopic study and statistical analysis. For that purpose, several laboratory experiments were conducted. The paper presents semiquantitative results of spectral analysis calculated by 4 statistical methods. The results indicate a well‐established laminar structure of the ash and evaluate the characteristics of each lamina. The proposed methodology was examined under real‐world conditions; a field experiment of 2‐m² parcel with in situ O horizon was flamed and burned out. The field samples illustrated the formation of microlaminas, which proved to be similar to the laboratory samples. This detailed approach may promote a better understanding of the complex nature to the ash, the ash–soil interactions and its effect on the edaphic ecosystem.

中文翻译：

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植被火灰的结构异质性

任何野火都会产生灰烬，灰烬是燃烧生物质而产生的固体残渣。植被火灰由烧焦的有机材料，木炭和无机矿物质组成。最近的研究将灰烬沉积物确定为双重系统：土壤和灰烬地层。在土壤剖面中添加灰分会改变土壤的性质和动力学。对灰分-土壤剖面的透彻分析揭示了薄薄层的结构外观。薄层在各种物理性质和矿物质组成方面有所不同。这项研究旨在通过进行红外光谱研究和统计分析来评估灰烬-土壤剖面的独特性质。为此，进行了一些实验室实验。本文介绍了通过4种统计方法计算出的光谱分析的半定量结果。结果表明灰烬的层状结构已经确立，并评估了每个叶片的特性。在现实条件下检查了所提出的方法。2米的野外实验^将2个原位为O地平线的包裹着火并烧毁。现场样品说明了微薄层的形成，事实证明与实验室样品相似。这种详细的方法可以促进人们更好地理解灰烬的复杂性质，灰烬与土壤的相互作用及其对水生生态系统的影响。