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Titolo:
SOLUTE TRANSFER IN AGRICULTURAL CATCHMENTS - THE INTEREST AND LIMITS OF MIXING MODELS
Autore:
DURAND P; TORRES JLJ;
Indirizzi:
INRA,LAB SCI SOL,65 RUE ST BRIEUC F-35042 RENNES FRANCE
Titolo Testata:
Journal of hydrology
fascicolo: 1-4, volume: 181, anno: 1996,
pagine: 1 - 22
SICI:
0022-1694(1996)181:1-4<1:STIAC->2.0.ZU;2-W
Fonte:
ISI
Lingua:
ENG
Soggetto:
SOILWATER END-MEMBERS; HYDROGRAPH SEPARATION; STREAMWATER CHEMISTRY; PRECAMBRIAN SHIELD; STORM RUNOFF; MID-WALES; FLOW; GROUNDWATER; NEUTRALIZATION; COMPONENTS;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Science Citation Index Expanded
Science Citation Index Expanded
Citazioni:
36
Recensione:
Indirizzi per estratti:
Citazione:
P. Durand e J.L.J. Torres, "SOLUTE TRANSFER IN AGRICULTURAL CATCHMENTS - THE INTEREST AND LIMITS OF MIXING MODELS", Journal of hydrology, 181(1-4), 1996, pp. 1-22

Abstract

This paper deals with the applicability of the endmember mixing analysis (EMMA) to agricultural catchments. The basic assumptions of the method are discussed in the case of semi-natural and rural ecosystems. EMMA was applied to two storm events in a farmland catchment in Brittany (France) using four endmembers and three tracers. The results were validated using additional tracers. The sensitivity of the method to uncertainty in the endmember composition was analysed using a Monte-Carlo procedure. The results were satisfactory although the method is verysensitive when the endmember composition is close to the streamwater chemistry. It is concluded that mixing analysis is a valuable tool forstudying water pathways in agricultural areas, provided it is appliedover short periods and used with other hydrological approaches.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 04/12/20 alle ore 20:04:27