| Title: |
A novel method to assess the infiltration and filtration functions of urban soils |
| Authors: |
Fernandes, Gersende; Di Prima, Simone; Lipeme Kouyi, Gislain; Fletcher, Tim, D; Donze, Daniel; James, Robert; Saint-Louis, Saint‐martin; Martini, Matteo; Nicklason, Claudia; Lassabatere, Laurent |
| Contributors: |
Laboratoire d'Ecologie des Hydrosystèmes Naturels et Anthropisés (LEHNA); Université Claude Bernard Lyon 1 (UCBL); Université de Lyon-Université de Lyon-École Nationale des Travaux Publics de l'État (ENTPE)-Centre National de la Recherche Scientifique (CNRS); Déchets Eaux Environnement Pollutions (DEEP); Institut National des Sciences Appliquées de Lyon (INSA Lyon); Université de Lyon-Institut National des Sciences Appliquées (INSA)-Université de Lyon-Institut National des Sciences Appliquées (INSA); École Nationale des Travaux Publics de l'État (ENTPE); École Nationale des Travaux Publics de l'État (ENTPE)-Ministère de l'Ecologie, du Développement Durable, des Transports et du Logement; Università degli studi della Basilicata = University of Basilicata (UNIBAS); University of Melbourne; iLM - Biophysique (iLM - BIOPHYSIQUE); Institut Lumière Matière Villeurbanne (ILM); Université de Lyon-Université de Lyon-Centre National de la Recherche Scientifique (CNRS)-Université Claude Bernard Lyon 1 (UCBL); Université de Lyon-Université de Lyon-Centre National de la Recherche Scientifique (CNRS); LEHNA - Laboratoire d'Ecologie des Hydrosystèmes Naturels et Anthropisés équipe IAPHY (LEHNA IAPHY); Université de Lyon-Université de Lyon-École Nationale des Travaux Publics de l'État (ENTPE)-Centre National de la Recherche Scientifique (CNRS)-Université Claude Bernard Lyon 1 (UCBL); ARC IL230100020; ANR-17-EURE-0018,H2O'LYON,School of Integrated Watershed Sciences(2017); ANR-17-CE04-0010,INFILTRON,Dispositif INFILTRON pour une évaluation des fonctions infiltration & filtration des sols urbains dans un contexte de gestion des eaux pluviales(2017) |
| Source: |
EISSN: 1539-1663 ; Vadose Zone Journal ; https://hal.science/hal-05377115 ; Vadose Zone Journal, 2025, 24 (6), ⟨10.1002/vzj2.70050⟩ |
| Publisher Information: |
CCSD; Soil science society of America - Geological society of America. |
| Publication Year: |
2025 |
| Collection: |
HAL Lyon 1 (University Claude Bernard Lyon 1) |
| Subject Terms: |
Infiltrometer; superparamagnetic iron oxide nanoparticle; ground-penetrating radar; [SDE.IE]Environmental Sciences/Environmental Engineering |
| Description: |
International audience ; Urban areas are increasingly under pressure due to rapid expansion and extreme rainfall events driven by climate change. Rather than relying solely on pipes to regulate stormwater, new management systems promote direct infiltration of water and pollutants into the soil. Soils fulfill multiple functions, including water infiltration and pollutant filtration. Urban soils, however, are often highly heterogeneous; the presence of macropores can accelerate water flow while reducing pollutant retention. Yet, infiltration and filtration are typically assessed using surface measurements and soil‐destructive methods, which fail to capture the complexity of water and pollutant transport pathways in the subsurface. In this study, we present a prototype of a large‐ring infiltrometer coupled with a ground‐penetrating radar (GPR) to simultaneously monitor water and nanotracers movement in the subsurface. This provides a more comprehensive characterization of both infiltration and filtration functions. Superparamagnetic iron oxide nanoparticles (SPIONs) were chosen as nanotracers due to their nontoxicity, small size, and advantageous electromagnetic properties. Although distinguishing between subsurface zones imbibed with water and those containing SPIONs was challenging, GPR imaging revealed distinct spatial patterns and temporal dynamics even under identical infiltration conditions. Comparative analyses with water and solute transport models further elucidated the underlying subsurface processes. Typologies of infiltration and filtration patterns, linked to soil heterogeneity, are presented. Our results emphasize the need for a more comprehensive characterization of infiltration and filtration functions to improve flood risk assessment and evaluations of groundwater pollution threats. |
| Document Type: |
article in journal/newspaper |
| Language: |
English |
| DOI: |
10.1002/vzj2.70050 |
| Availability: |
https://hal.science/hal-05377115; https://hal.science/hal-05377115v1/document; https://hal.science/hal-05377115v1/file/Vadose%20Zone%20Journal%20-%202025%20-%20Fernandes%20-%20A%20novel%20method%20to%20assess%20the%20infiltration%20and%20filtration%20functions%20of%20urban%20soils.pdf; https://doi.org/10.1002/vzj2.70050 |
| Rights: |
https://creativecommons.org/licenses/by-nc-nd/4.0/ ; info:eu-repo/semantics/OpenAccess |
| Accession Number: |
edsbas.EC67583B |
| Database: |
BASE |