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<resTitle>cours_eau_surengravement</resTitle>
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<keyword>flux sédimentaire</keyword>
<keyword>cours d'eau</keyword>
<keyword>riviere</keyword>
<keyword>surengravement</keyword>
<keyword>sur-engravement</keyword>
<keyword>sur-engravés</keyword>
<keyword>surengravés</keyword>
<keyword>sédiments</keyword>
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<idPurp>Cette cartographie recense les cours d’eau qui ont été reconnus sur-engravés par le Service de l’eau de la Nouvelle-Calédonie, c'est à dire présentant un déséquilibre marqué de son flux sédimentaire. Généralement lié à une érosion intense du bassin versant (ravinement, glissements de terrain, passifs miniers, etc.), ce phénomène se caractérise par des apports de matériaux qui excèdent la capacité de transport de la rivière.</idPurp>
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