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IMPLEMENTATION OF A DISTRIBUTED SEDIMENT MODEL IN DIFFERENT DATA AVAILABILITY SCENARIOS

Materia
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Idioma: Inglés
Colección: Tesis
Formato: Archivo electrónico. PDF acceso libre
Nº Edición: 1  /   28-03-2014
ISBN:  978-84-9048-215-5 Ref.: 5725

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Resumen

Soil erosion by water can cause agricultural soil losses, desertification, water pollution, reservoir sedimentation, local excess of erosion (such as bridge scour) or deposition, etc. For this reason, the assessment of soil erosion and sediment transport is a key component of integrated catchment management. One of the most useful and up-to-date tools available to catchment managers for soil erosion and sediment transport assessment is distributed modelling. During the last few decades, many sedimentological distributed models were developed and applied for a wide range of climates and basins. Their main advantage is that they allow spatial interpolation or extrapolation of their results. Nevertheless, their use is still limited by some constraints. One of the most relevant limitations to the use of such models is the lack of recorded sediment transport data to be used for model calibration and validation. It is widely recognised that both sediment discharge series and soil erosion measurements are only available in a few and small- to medium-size experimental catchments.

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