Effects of hydropower management on the sediment composition and metabolism of a small Alpine lake

Open Access

Fig. 3

Depth variation of the mineral and organic composition of the sediment core taken in the deep depression. A: BD: bulk density (g.cm⁻³); B: Pb: total lead (cps); C: ¹³⁷Cs: 137-Cesium activity (bq.kg⁻¹); D: Ti: titanium (cps); E: Si/Ti: silicon/titanium ratio (cps/cps); F: C_org: organic carbon content (%); G: C/N: carbon/nitrogen ratio; H: δ¹³C (‰).

Composition minérale et organique en fonction de la profondeur de la carotte de sédiment prélevée dans la dépression profonde. A : BD : densité apparente (g.cm⁻³) ; B : Pb : plomb total (cps) ; C : ¹³⁷Cs : activité du 137-Cesium (bq.kg⁻¹) ; D : Ti : titane (cps) ; E : Si/Ti : ratio silicium/titane (cps/cps) ; F : C_org : carbon organique (%) ; G : C/N : ratio carbone/azote ; H : δ¹³C (‰).

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