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Daily Based Morgan–Morgan–Finney (DMMF) Model: A Spatially Distributed Conceptual Soil Erosion Model to Simulate Complex Soil Surface Configurations

Estimation of Suspended Sediment Loads Using Copula Functions

Faculty of Civil and Geodetic Engineering, University of Ljubljana, 1000 Ljubljana, Slovenia
Author to whom correspondence should be addressed.
Water 2017, 9(8), 628;
Received: 15 June 2017 / Revised: 2 August 2017 / Accepted: 17 August 2017 / Published: 22 August 2017
(This article belongs to the Special Issue Soil Erosion by Water)
Suspended sediment load (SSL) observations are usually less frequent than precipitation and river discharge measurements; therefore a reliable procedure is needed for the estimation of SSL. One year of precipitation, SSL, and discharge measurements at 20-min intervals were performed at the Kuzlovec torrent in Slovenia. The Frank copula was selected to construct an event-based model using the following variables: precipitation sum (P), peak discharge (Q), and SSL. The idea was to estimate the SSL based on the measured P and Q. The proposed model was additionally tested using the daily data from the Gornja Radgona station on the Mura River, for which 29 years of data were available and where Khoudraji-Liebscher copulas were used. The estimated SSL values using the copula were compared with different regression models. The proposed copula model yielded meaningful SSL estimates. Some performance criteria and tests indicated that the copula model gives a better fit to the measured data than other tested methods. View Full-Text
Keywords: turbidity; extremes; copula; torrent; multivariate approach; sediments turbidity; extremes; copula; torrent; multivariate approach; sediments
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MDPI and ACS Style

Bezak, N.; Rusjan, S.; Kramar Fijavž, M.; Mikoš, M.; Šraj, M. Estimation of Suspended Sediment Loads Using Copula Functions. Water 2017, 9, 628.

AMA Style

Bezak N, Rusjan S, Kramar Fijavž M, Mikoš M, Šraj M. Estimation of Suspended Sediment Loads Using Copula Functions. Water. 2017; 9(8):628.

Chicago/Turabian Style

Bezak, Nejc, Simon Rusjan, Marjeta Kramar Fijavž, Matjaž Mikoš, and Mojca Šraj. 2017. "Estimation of Suspended Sediment Loads Using Copula Functions" Water 9, no. 8: 628.

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