| definition |
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en
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upper layer(s) of a natural <span class="sts-tbx-entailedTerm"><a href="https://data.geoscience.earth/ncl/ISO11074v2025/3.448">soil <span class="sts-tbx-entailedTerm-num">(3.448)</span></a></span> that is generally dark coloured and has a higher content of <span class="sts-tbx-entailedTerm"><a href="https://data.geoscience.earth/ncl/ISO11074v2025/3.301">organic matter <span class="sts-tbx-entailedTerm-num">(3.301)</span></a></span> and nutrients when compared to the (mineral) horizons below, excluding the <span class="sts-tbx-entailedTerm"><a href="https://data.geoscience.earth/ncl/ISO11074v2025/3.208">humus <span class="sts-tbx-entailedTerm-num">(3.208)</span></a></span> layer
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fr
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couche(s) supérieure(s) d'un <span class="sts-tbx-entailedTerm"><a href="https://data.geoscience.earth/ncl/ISO11074v2025/3.448">sol <span class="sts-tbx-entailedTerm-num">(3.448)</span></a></span> naturel, généralement de couleur foncée et contenant plus de <span class="sts-tbx-entailedTerm"><a href="https://data.geoscience.earth/ncl/ISO11074v2025/3.301">matières organiques <span class="sts-tbx-entailedTerm-num">(3.301)</span></a></span> et de nutriments que les horizons (minéraux) sous-jacents, en excluant la couche d'<span class="sts-tbx-entailedTerm"><a href="https://data.geoscience.earth/ncl/ISO11074v2025/3.208">humus <span class="sts-tbx-entailedTerm-num">(3.208)</span></a></span>
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| notation |
3.536
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| note |
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en
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Note 1 to entry: For arable land, topsoil refers to the ploughed soil depth, while for grassland; it is the soil layer with high root content.
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fr
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Note 1 à l’article: Pour les sols cultivés, l'horizon superficiel correspond à la profondeur de sol labouré; pour les prairies, il s'agit de la couche de sol à forte densité de racines.
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| pref label |
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en
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topsoil
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fr
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horizon superficiel
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| same as |
iso:std:iso:11074:ed 3:v1:en:term:3.536
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| type |
Concept
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