globalchange  > 气候变化与战略
DOI: 10.5194/hess-22-159-2018
论文题名:
Multiconfiguration electromagnetic induction survey for paleochannel internal structure imaging: A case study in the alluvial plain of the River Seine; France
作者: Rejiba F.; Schamper C.; Chevalier A.; Deleplancque B.; Hovhannissian G.; Thiesson J.; Weill P.
刊名: Hydrology and Earth System Sciences
ISSN: 1027-5606
出版年: 2018
卷: 22, 期:1
起始页码: 159
结束页码: 170
语种: 英语
Scopus关键词: Aquifers ; Electromagnetic induction ; Groundwater flow ; Groundwater resources ; Hydrogeology ; Reservoirs (water) ; Apparent conductivity ; Geophysical surveys ; Hydrographic networks ; Internal structure ; Internal variability ; Permeability barriers ; Preferential flows ; Vertical and horizontal dipoles ; Surveys ; alluvial plain ; aquifer ; floodplain ; geophysical survey ; groundwater ; groundwater flow ; hydrogeology ; imaging method ; paleochannel ; permeability ; preferential flow ; reservoir ; river basin ; spatial distribution ; water exchange ; France ; Seine River [France]
英文摘要: The La Bassée floodplain area is a large groundwater reservoir controlling most of the water exchanged between local aquifers and hydrographic networks within the Seine River basin (France). Preferential flows depend essentially on the heterogeneity of alluvial plain infilling, whose characteristics are strongly influenced by the presence of mud plugs (paleomeander clayey infilling). These mud plugs strongly contrast with the coarse sand material that composes most of the alluvial plain, and can create permeability barriers to groundwater flows. A detailed knowledge of the global and internal geometry of such paleomeanders can thus lead to a comprehensive understanding of the long-term hydrogeological processes of the alluvial plain. A geophysical survey based on the use of electromagnetic induction was performed on a wide paleomeander, situated close to the city of Nogent-sur-Seine in France. In the present study we assess the advantages of combining several spatial offsets, together with both vertical and horizontal dipole orientations (six apparent conductivities), thereby mapping not only the spatial distribution of the paleomeander derived from lidar data but also its vertical extent and internal variability. © Author(s) 2018.
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/163339
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作者单位: Rejiba, F., Sorbonne Université, UPMC Univ Paris 06, CNRS, UMR 7619 METIS, Paris, France, Normandie Univ, UNICAEN, UNIROUEN CNRS, Morphodynamique Continentale et Côtière, Caen, 14000, France; Schamper, C., Sorbonne Université, UPMC Univ Paris 06, CNRS, UMR 7619 METIS, Paris, France; Chevalier, A., Sorbonne Université, UPMC Univ Paris 06, CNRS, UMR 7619 METIS, Paris, France; Deleplancque, B., UMR CNRS 7423 - Ecole Polytechnique, Université François Rabelais de Tours, 35 allée Ferdinand de Lesseps, Tours, 37200, France; Hovhannissian, G., North Delegation of the Institute of Research for Development (IRD), UMR 242 iEES Paris (Institute of Ecology and Environmental Sciences), IRD/CNRS/UPMC/INRA/UPEC/Univ. Paris Diderot, 32 av. H. Varagnat, Bondy, 93143, France; Thiesson, J., Sorbonne Université, UPMC Univ Paris 06, CNRS, UMR 7619 METIS, Paris, France; Weill, P., Normandie Univ, UNICAEN, UNIROUEN CNRS, Morphodynamique Continentale et Côtière, Caen, 14000, France

Recommended Citation:
Rejiba F.,Schamper C.,Chevalier A.,et al. Multiconfiguration electromagnetic induction survey for paleochannel internal structure imaging: A case study in the alluvial plain of the River Seine; France[J]. Hydrology and Earth System Sciences,2018-01-01,22(1)
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