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June 4, 2026Earth Critical ZoneOpen Access

Fine Characterization of Critical Zone Structures: A Case Study of a Dolomite Small Catchment in Southwest China

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Authors

JZJun ZhangFWFa WangZFZhiyong Fu

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Overview

Randomized trial quantifies soil and epikarst distributions in a dolomite catchment, suggesting differentiated resource management.

Key Points

  • This study aims to quantify the complex rock-soil architecture of a dolomite catchment in a critical zone.
  • Integrated high-resolution geophysical surveys and hydrogeological borehole analyses in southwest China.
  • Assessed soil and epikarst distributions across hillslope and depression areas of the catchment.
  • Measured various soil thicknesses and epikarst characteristics.
  • Hillslope covered 78.8% of the catchment area, with 46.8% of total soil volume in depressions.
  • Mean soil thickness was significantly different: 0.17 m on hillslopes vs. 1.47 m in depressions.
  • The area without soil cover was 48.8% on hillslopes compared to 13% in depressions.

Cite This Study

Zhang et al. (2026) studied this question.

synapsesocial.com/papers/6a211549d499ed480b16e76ehttps://doi.org/10.1016/j.ecz.2026.100089
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