A Review of Geophysical Methods for Soil Structure Characterization

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Ressource 1Télécharger: 2018_RG_Romero-Ruiz_et_al.pdf (5788.92 [Ko])
Etat: Public
Version: Final published version
Licence: Non spécifiée
ID Serval
serval:BIB_0A54D29B2BFC
Type
Article: article d'un périodique ou d'un magazine.
Sous-type
Synthèse (review): revue aussi complète que possible des connaissances sur un sujet, rédigée à partir de l'analyse exhaustive des travaux publiés.
Collection
Publications
Titre
A Review of Geophysical Methods for Soil Structure Characterization
Périodique
Reviews of Geophysics
Auteur(s)
Romero-Ruiz A., Linde N., Keller T., Or D.
ISSN
8755-1209
ISSN-L
1944-9208
Statut éditorial
Publié
Date de publication
03/12/2018
Peer-reviewed
Oui
Volume
56
Pages
672-697
Langue
anglais
Résumé
The growing interest in the maintenance of favorable soil structure is largely motivated by its central role in plant growth, soil ecological functioning, and impacts on surface water and energy fluxes. Soil structure pertains to the spatial arrangement of voids and solid constituents, their aggregation, and mechanical state. As a fragile product of soil biological activity that includes invisible ingredients (mechanical and ecological states), soil structure is difficult to define rigorously, and measurements of relevant metrics often rely on core samples or on episodic point measurements. The presence of soil structure has not yet been explicitly incorporated in climate and Earth systems models, partially due to incomplete methodological means to characterize it at relevant scales and to parameterize it in spatially extensive models. We seek to review the potential of harnessing geophysical methods to fill the scale gap in characterization of soil structure directly (via impact of soil pores, transport, and mechanical properties on geophysical signals) or indirectly by measurement of surrogate variables (wetness and rates of drainage). We review basic aspects of soil structure and challenges of characterization across spatial and temporal scales and how geophysical methods could be used for the task. Additionally, we propose the use of geophysical models, inversion techniques, and combination of geophysical methods for extracting soil structure information at previously unexplored spatial and temporal scales.
Mots-clé
Geophysics
Open Access
Oui
Création de la notice
19/12/2018 16:58
Dernière modification de la notice
18/09/2019 14:47
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