Extent and persistence of soil water repellency induced by pines in different geographic regions

Massimo Iovino, Vincenzo Alagna, Marek Rodný, Karsten Schacht, Annette Raffan, Marek Rodný, Richard Walsh, Ľubomír Lichner, Pavla Pekárová, Jorge Mataix-Solera, Ján Pekár, Paul D. Hallett

Risultato della ricerca: Articlepeer review

12 Citazioni (Scopus)

Abstract

The extent (determined by the repellency indices RI and RIc) and persistence (determined by the water droppenetration time, WDPT) of soil water repellency (SWR) induced by pines were assessed in vastly different geographicregions. The actual SWR characteristics were estimated in situ in clay loam soil at Ciavolo, Italy (CiF), sandy soil atCulbin, United Kingdom (CuF), silty clay soil at Javea, Spain (JaF), and sandy soil at Sekule, Slovakia (SeF). For Culbinsoil, the potential SWR characteristics were also determined after oven-drying at 60°C (CuD). For two of the three pinespecies considered, strong (Pinus pinaster at CiF) and severe (Pinus sylvestris at CuD and SeF) SWR conditions wereobserved. Pinus halepensis trees induced slight SWR at JaF site. RI and RIc increased in the order: JaF < CuF < CiF <CuD < SeF, reflecting nearly the same order of WDPT increase. A lognormal distribution fitted well to histograms of RIcdata from CuF and JaF, whereas CiF, CuD and SeF had multimodal distributions. RI correlated closely with WDPT,which was used to develop a classification of RI that showed a robust statistical agreement with WDPT classification accordingto three different versions of Kappa coefficient.
Lingua originaleEnglish
pagine (da-a)360-368
Numero di pagine9
RivistaJournal of Hydrology and Hydromechanics
Volume66
Stato di pubblicazionePublished - 2018

All Science Journal Classification (ASJC) codes

  • Water Science and Technology
  • Mechanical Engineering
  • Fluid Flow and Transfer Processes

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