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An improved correlation model for sediment delivery ratio assessment
Diodato, Nazzareno ; Grauso, Sergio
Environmental earth sciences, 2009-11, Vol.59 (1), p.223-231
[Peer Reviewed Journal]
Berlin/Heidelberg: Springer-Verlag
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Title:
An improved correlation model for sediment delivery ratio assessment
Author:
Diodato, Nazzareno
;
Grauso, Sergio
Subjects:
Areal geology
;
Areal geology. Maps
;
Biogeosciences
;
Earth and Environmental Science
;
Earth Sciences
;
Earth, ocean, space
;
Environmental Science and Engineering
;
Exact sciences and technology
;
Geochemistry
;
Geologic maps, cartography
;
Geology
;
Hydrology/Water Resources
;
Marine and continental quaternary
;
Original Article
;
Studies
;
Surficial geology
;
Terrestrial Pollution
Is Part Of:
Environmental earth sciences, 2009-11, Vol.59 (1), p.223-231
Description:
In the present work, a new simplified model approach for sediment delivery ratio (SDR) assessment is proposed. Modelling and assessing SDR is still an open question. Difficulties rise from the lack of sufficient data availability, on one side, and, on the other, from the inherent uncertainties including spatial variability and temporal discontinuity of the land cover, climatic, hydrological and geomorphological variables involved. The proposed SDR SIM model tries to skip over the limitations observed in other models generally adopted. A comparison with two different selected models amongst the most widespread simplified models, i.e. the area-model and the slope-model, is showed in application to a wide range of catchments extensions across different landscapes of Italy. The SDR SIM estimates were also evaluated against observed SDR over a validation dataset of 11 basins sparse over different regions of the world. The results showed the effectiveness of the proposed model approach based on easily available catchment parameters.
Publisher:
Berlin/Heidelberg: Springer-Verlag
Language:
English
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