Fiche Document

Fiche du document 1799

Type de documentTexte
PrécisionPublications_scientifiques
ThèmeAménagementsArchéologie
Contaminants associésCrues
ErosionGéochimie
GéomorphologieGestion
Interactions faune ou florePaléoenvironnements
RéglementationStocks
ThermieTransport solide
Versants
AuteurNegrel P. et al.
Date de publication1996
ReferenceNatural and anthropogenic budgets of a small watershed in the massif central (France): Chemical and strontium isotopic characterization of water and sediments, Aquatic Geochemistry, Vol. 2, pp 1-27
RattachementB. R. G.M. Direction de la Recherche, Département Hydrologie, Géochimie et Transferts
Période considéréeQuaternaire
Localisation OSLA1Pas d'information
Localisation OSLA2Pas d'information
Localisation OSLA3Pas d'information
Localisation OSLA4Pas d'information
Document numériséeOuiNon
FormatBMPJPGPDFPNGPPT
Nom du fichierNegrel_P,_1996.pdf
Situation
Aperçu

Documents liés

Type Références Date Auteur
IMG Figure 1: Location map of the Cézallier region and detailed map of the Allanche watershed (AWL) and of the different sampling points. 1996 Negrel P. et al.
IMG Figure 2: Plot of the electrical conductivity C versus the discharge W for the May 1994, September 1994 and April 1995 surveys 1996 Negrel P. et al.
IMG Figure 3: Graphs of elements vs. enrichment factor (EF) in (a) bed sediment samples and (b) soils collected over the AWL. 1996 Negrel P. et al.
IMG Figure 4: Relationship between the 87Sr / 86Sr ratios and Cl contents in the Allanche river main stream for the May 1994, September 1994 and April 1995 surveys. 1996 Negrel P. et al.
IMG Figure 5: Average proportions of element origins with the standard deviation for the 25 samples collected on the ALW (main stream, tributaries) in the three surveys for the three assumed origins: rain... 1996 Negrel P. et al.
IMG Figure 6: Cations exportation rates w for fertilizers (a) and rock weathering (b) in the Allanche river for the May 1994, September 1994 and April 1995 surveys 1996 Negrel P. et al.
IMG Figure 7: Fertilizer (a) and rock weathering (b) exportation rates w normalized by the area of each sub-basin in the Allanche river for the May 1994, September 1994 and April 1995 surveys. 1996 Negrel P. et al.
IMG Figure 8: Linear relationships between the X/K versus Si/K ratios (a) and X/Ca versus Si/Ca ratios (b) for parent rocks (closed squares), bed sediments (closed traingles) and soils (shaded triangles) ... 1996 Negrel P. et al.
IMG Figure 9: Relationship between Pb/K and Si/K ratios in parent rocks (closed squares), bed sediments (closed triangles) and soils (shaded triangles) samples collected over the AWL. The lack of correlat... 1996 Negrel P. et al.