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    Assessing soil properties controlling interrill erosion: an empirical approach under Mediterranean conditions

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    Barrio_et_al-2017-Land_Degradation_&_Development_W.pdf (964.2Kb)
    Date
    2017
    Author
    Ollobarren del Barrio, Paul 
    Giménez Díaz, Rafael Upna
    Campo-Bescós, Miguel Upna
    Version
    Acceso abierto / Sarbide irekia
    xmlui.dri2xhtml.METS-1.0.item-type
    Artículo / Artikulua
    Version
    Versión aceptada / Onetsi den bertsioa
    Project Identifier
    ES/6PN/CGL2011-24336 
    ES/1PE/CGL2015-64284 
    Impact
     
     
     
    10.1002/ldr.2704
     
     
     
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    Abstract
    Soil erodibility is a complex phenomenon that comprises a number of different soil properties. However, most current (empirical) erodibility indices are based on only a few soil properties. A feasible soil characterization of interrill erosion (IE) prediction at large scale should be based on simple, quick and inexpensive tests to perform. The objective of this work was to identify and assess tho ... [++]
    Soil erodibility is a complex phenomenon that comprises a number of different soil properties. However, most current (empirical) erodibility indices are based on only a few soil properties. A feasible soil characterization of interrill erosion (IE) prediction at large scale should be based on simple, quick and inexpensive tests to perform. The objective of this work was to identify and assess those soil properties that best reflect soil vulnerability to IE. Twenty‐three agricultural soil samples located in Spain and Italy were studied. Forty‐nine different physical and chemical soil properties that presumably underpin IE were defined. Experiments were carried out in the field (in microplots using simulated rainfall) and in the lab. The most relevant variables were detected using multivariate analysis. Six key variables were finally identified: RUSLE K factor, a granulometric/organic matter content index, exchangeable sodium percentage, shear strength, penetration resistance and permeability of soil seal. The latter is proposed as a useful technique to evaluate soil susceptibility to crusting even when the crust is not present at the time of the field survey. The selected variables represented a wide range of soil properties, and they could also be successfully applied to different soils with different characteristics than those evaluated in our experiments. [--]
    Subject
    Interrill erosion, Soil erodibility, Soil properties, Rainfall simulator, Multivariate statistical analysis
     
    Publisher
    Wiley
    Published in
    Land Degradation & Development, 28: 1729–1741 (2017)
    Departament
    Universidad Pública de Navarra. Departamento de Proyectos e Ingeniería Rural / Nafarroako Unibertsitate Publikoa. Landa Ingeniaritza eta Proiektuak Saila / Universidad Pública de Navarra / Nafarroako Unibertsitate Publikoa. ISFOOD - Institute for Innovation and Sustainable Development in Food Chain
     
    Publisher version
    https://doi.org/10.1002/ldr.2704
    URI
    https://hdl.handle.net/2454/32449
    Sponsorship
    This study was partly financed by the Spanish Government’s National Plan for Research, Development and Technological Innovation [projects CGL2011-24336 (MICIN/FEDER) and CGL2015-64284-C2-1-R (MINECO/FEDER)]. The authors thank the Public University of Navarre (UPNA) for funding this work with a grant awarded to the principal author.
    Appears in Collections
    • Artículos de revista ISFOOD - ISFOOD aldizkari artikuluak [26]
    • Artículos de revista DPIR - LIPS Aldizkari artikuluak [60]
    • Artículos de revista - Aldizkari artikuluak [2168]
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