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<front>
<journal-meta>
<journal-id journal-id-type="publisher">EGUsphere</journal-id>
<journal-title-group>
<journal-title>EGUsphere</journal-title>
<abbrev-journal-title abbrev-type="publisher">EGUsphere</abbrev-journal-title>
<abbrev-journal-title abbrev-type="nlm-ta">EGUsphere</abbrev-journal-title>
</journal-title-group>
<issn pub-type="epub"></issn>
<publisher><publisher-name>Copernicus Publications</publisher-name>
<publisher-loc>Göttingen, Germany</publisher-loc>
</publisher>
</journal-meta>
<article-meta>
<article-id pub-id-type="doi">10.5194/egusphere-2026-3765</article-id>
<title-group>
<article-title>An operational definition of absolute soil quality and soil health, and why we need both in practice</article-title>
</title-group>
<contrib-group><contrib contrib-type="author" xlink:type="simple"><name name-style="western"><surname>Hardy</surname>
<given-names>Brieuc F.</given-names>
</name>
<xref ref-type="aff" rid="aff1">
<sup>1</sup>
</xref>
<xref ref-type="aff" rid="aff2">
<sup>2</sup>
</xref>
</contrib>
<contrib contrib-type="author" xlink:type="simple"><name name-style="western"><surname>Van de Casteele</surname>
<given-names>Clélia</given-names>
</name>
<xref ref-type="aff" rid="aff2">
<sup>2</sup>
</xref>
<xref ref-type="aff" rid="aff3">
<sup>3</sup>
</xref>
</contrib>
<contrib contrib-type="author" xlink:type="simple"><name name-style="western"><surname>Vandebroek</surname>
<given-names>Louis</given-names>
</name>
<xref ref-type="aff" rid="aff3">
<sup>3</sup>
</xref>
</contrib>
<contrib contrib-type="author" xlink:type="simple"><name name-style="western"><surname>Agnan</surname>
<given-names>Yannick</given-names>
<ext-link>https://orcid.org/0000-0002-9349-6310</ext-link>
</name>
<xref ref-type="aff" rid="aff2">
<sup>2</sup>
</xref>
</contrib>
</contrib-group><aff id="aff1">
<label>1</label>
<addr-line>Department of Sustainability, Systems &amp; Prospective – Unit of Soil, Water and Integrated Crop Production, Walloon  Agricultural Research Centre, 5030 Gembloux, Belgium</addr-line>
</aff>
<aff id="aff2">
<label>2</label>
<addr-line>Earth and Life Institute, UCLouvain, 1348 Louvain-la-Neuve, Belgium</addr-line>
</aff>
<aff id="aff3">
<label>3</label>
<addr-line>ARIES Consultants, 1300 Wavre, Belgium</addr-line>
</aff>
<pub-date pub-type="epub">
<day>03</day>
<month>07</month>
<year>2026</year>
</pub-date>
<volume>2026</volume>
<fpage>1</fpage>
<lpage>11</lpage>
<permissions>
<copyright-statement>Copyright: &#x000a9; 2026 Brieuc F. Hardy et al.</copyright-statement>
<copyright-year>2026</copyright-year>
<license license-type="open-access">
<license-p>This work is licensed under the Creative Commons Attribution 4.0 International License. To view a copy of this licence, visit <ext-link ext-link-type="uri"  xlink:href="https://creativecommons.org/licenses/by/4.0/">https://creativecommons.org/licenses/by/4.0/</ext-link></license-p>
</license>
</permissions>
<self-uri xlink:href="https://egusphere.copernicus.org/preprints/2026/egusphere-2026-3765/">This article is available from https://egusphere.copernicus.org/preprints/2026/egusphere-2026-3765/</self-uri>
<self-uri xlink:href="https://egusphere.copernicus.org/preprints/2026/egusphere-2026-3765/egusphere-2026-3765.pdf">The full text article is available as a PDF file from https://egusphere.copernicus.org/preprints/2026/egusphere-2026-3765/egusphere-2026-3765.pdf</self-uri>
<abstract>
<p>The concept of soil health is becoming increasingly popular. Yet, the way to measure it remains unclear, which hinders its effective consideration in decision-making processes. We propose a general framework to interpret soil data, including the scoring of &lt;em&gt;absolute soil quality&lt;/em&gt; (the state of an indicator representative of a soil function regarding an absolute maximum) and (ii) the scoring of &lt;em&gt;soil health&lt;/em&gt; (the relative level of an indicator with respect to soil intrinsic potential). We underline that the scoring of soil quality and potential quality is central in land planning and excavated soil reemployment (i.e., matching land future use with soil capabilities) whereas soil health, as the mirror of soil degradation, is essential for soil restoration and sustainable management. We illustrate the approach with saturated hydraulic conductivity as an indicator of soil infiltration capacity for 42 measurements from contrasting soil types and uses, and demonstrate that the approach can be generalized to other soil indicators and functions. Overall, we outline the need to refine target or threshold values for the scoring of both soil quality and soil health, thereby better equipping stakeholders for sustainable soil management and land planning.</p>
</abstract>
<counts><page-count count="11"/></counts>
<funding-group>
<award-group id="gs1">
<funding-source>Service Public de Wallonie</funding-source>
<award-id>O3.07.05-23-1343</award-id>
</award-group>
</funding-group>
</article-meta>
</front>
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