Slope orientation and vegetation effects on soil thermo-hydraulic behavior: an experimental study

Oorthuis Gómez, Raül|||0000-0003-4722-7838; Vaunat, Jean|||0000-0003-3579-9652; Hurlimann Ziegler, Marcel|||0000-0003-0119-1438; Lloret Morancho, Antonio|||0000-0001-7991-8487; Moya Sánchez, José|||0000-0001-9686-656X; Puig i Polo, Càrol|||0000-0002-8820-6446; Fraccica, Alessandro

Slope orientation and vegetation effects on soil thermo-hydraulic behavior: an experimental study

The stability and erosion of natural and man-made slopes is influenced by soil-vegetation-atmosphere interactions and the thermo-hydro-mechanical slope conditions. Understanding such interactions at the source of slope mass-wasting is important to develop land-use planning strategy and to promote en...

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Autores:	Oorthuis Gómez, Raül\|\|\|0000-0003-4722-7838, Vaunat, Jean\|\|\|0000-0003-3579-9652, Hurlimann Ziegler, Marcel\|\|\|0000-0003-0119-1438, Lloret Morancho, Antonio\|\|\|0000-0001-7991-8487, Moya Sánchez, José\|\|\|0000-0001-9686-656X, Puig i Polo, Càrol\|\|\|0000-0002-8820-6446, Fraccica, Alessandro
Tipo de recurso:	artículo
Fecha de publicación:	2021
País:	España
Institución:	Universitat Politècnica de Catalunya (UPC)
Repositorio:	UPCommons. Portal del coneixement obert de la UPC
Idioma:	inglés
OAI Identifier:	oai:upcommons.upc.edu:2117/336291
Acceso en línea:	https://hdl.handle.net/2117/336291 https://dx.doi.org/10.3390/su13010014
Access Level:	acceso abierto
Palabra clave:	Slopes (Soil mechanics)--Stability Embankment Rainfall Infiltration Temperature Vegetation cover Monitoring Talussos (Mecànica dels sòls) -- Tractament Àrees temàtiques de la UPC::Enginyeria civil::Geotècnia::Mecànica de sòls

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spelling	Slope orientation and vegetation effects on soil thermo-hydraulic behavior: an experimental studyOorthuis Gómez, Raül\|\|\|0000-0003-4722-7838Vaunat, Jean\|\|\|0000-0003-3579-9652Hurlimann Ziegler, Marcel\|\|\|0000-0003-0119-1438Lloret Morancho, Antonio\|\|\|0000-0001-7991-8487Moya Sánchez, José\|\|\|0000-0001-9686-656XPuig i Polo, Càrol\|\|\|0000-0002-8820-6446Fraccica, AlessandroSlopes (Soil mechanics)--StabilityEmbankmentRainfallInfiltrationTemperatureVegetation coverMonitoringTalussos (Mecànica dels sòls) -- TractamentÀrees temàtiques de la UPC::Enginyeria civil::Geotècnia::Mecànica de sòlsThe stability and erosion of natural and man-made slopes is influenced by soil-vegetation-atmosphere interactions and the thermo-hydro-mechanical slope conditions. Understanding such interactions at the source of slope mass-wasting is important to develop land-use planning strategy and to promote environmentally adapted mitigation strategies, such as the use of vegetation to stabilize slopes and control erosion. Monitoring is essential for calibrating and validating models and for better comprehending the physical mechanisms of soil-vegetation-atmosphere interactions. We approached this complex problem by means of an experimental work in a full-scale monitored embankment, which is divided into four instrumented partitions. These partitions are North or South-faced and present a bare and vegetation cover at each orientation. Our main findings show that vegetation enhances rainfall infiltration and decreases runoff, which reduces slope stability and surficial erosion, while plant transpiration induces higher suctions and hence slope stability. Concerning thermal aspects, vegetation reduces the incidence of net solar radiation and consequently heat flux. Thus, daily temperature fluctuations and evaporation decreases. However, the effect of vegetation in the development of dryer soil conditions is more significant than the orientation effect, presenting higher drying rates and states at the North-vegetated slope compared to the South-bare slope.This research was funded by the national researchs projects called “Slope mass-wasting under climate change (SMuCPhy, project reference number BIA 2015-67500-R)” and “Multiscale analysis of soil erosion in steep slopes (EROSLOP, project reference number PID2019-104266RB-I00) granted by the Ministry of Economy and Competitiveness of Spain and co-funded by AEI/FEDER, UE.Peer Reviewed20212021-01-0120212021-02-01journal articlehttp://purl.org/coar/resource_type/c_6501VoRhttp://purl.org/coar/version/c_970fb48d4fbd8a85info:eu-repo/semantics/articleapplication/pdfhttps://hdl.handle.net/2117/336291https://dx.doi.org/10.3390/su13010014reponame:UPCommons. Portal del coneixement obert de la UPCinstname:Universitat Politècnica de Catalunya (UPC)InglésengMinisterio de Economía y Competitividad http://doi.org/10.13039/501100003329 BIA2015-67500-R PERDIDA DE SUELO EN LADERAS BAJO CAMBIO CLIMATICO. PROCESOS FISICOS, MODELACION PREDICTIVA Y POSIBLES ESTRATEGIAS DE MITIGACIONAgencia Estatal de Investigación http://doi.org/10.13039/501100011033 Plan Estatal de Investigación Científica y Técnica y de Innovación 2017-2020 PID2019-104266RB-I00 ANALISIS DE LA EROSION DE SUELOS EN TERRENOS DE ALTA PENDIENTE A DIFERENTES ESCALAS. PROCESOS FISICOS, AUSCULTACION Y MODELIZACION DE FUTUROS CAMBIOS AMBIENTALESopen accesshttp://purl.org/coar/access_right/c_abf2Attribution 3.0 Spainhttp://creativecommons.org/licenses/by/3.0/es/info:eu-repo/semantics/openAccessoai:upcommons.upc.edu:2117/3362912026-05-27T15:37:01Z
dc.title.none.fl_str_mv	Slope orientation and vegetation effects on soil thermo-hydraulic behavior: an experimental study
title	Slope orientation and vegetation effects on soil thermo-hydraulic behavior: an experimental study
spellingShingle	Slope orientation and vegetation effects on soil thermo-hydraulic behavior: an experimental study Oorthuis Gómez, Raül\|\|\|0000-0003-4722-7838 Slopes (Soil mechanics)--Stability Embankment Rainfall Infiltration Temperature Vegetation cover Monitoring Talussos (Mecànica dels sòls) -- Tractament Àrees temàtiques de la UPC::Enginyeria civil::Geotècnia::Mecànica de sòls
title_short	Slope orientation and vegetation effects on soil thermo-hydraulic behavior: an experimental study
title_full	Slope orientation and vegetation effects on soil thermo-hydraulic behavior: an experimental study
title_fullStr	Slope orientation and vegetation effects on soil thermo-hydraulic behavior: an experimental study
title_full_unstemmed	Slope orientation and vegetation effects on soil thermo-hydraulic behavior: an experimental study
title_sort	Slope orientation and vegetation effects on soil thermo-hydraulic behavior: an experimental study
dc.creator.none.fl_str_mv	Oorthuis Gómez, Raül\|\|\|0000-0003-4722-7838 Vaunat, Jean\|\|\|0000-0003-3579-9652 Hurlimann Ziegler, Marcel\|\|\|0000-0003-0119-1438 Lloret Morancho, Antonio\|\|\|0000-0001-7991-8487 Moya Sánchez, José\|\|\|0000-0001-9686-656X Puig i Polo, Càrol\|\|\|0000-0002-8820-6446 Fraccica, Alessandro
author	Oorthuis Gómez, Raül\|\|\|0000-0003-4722-7838
author_facet	Oorthuis Gómez, Raül\|\|\|0000-0003-4722-7838 Vaunat, Jean\|\|\|0000-0003-3579-9652 Hurlimann Ziegler, Marcel\|\|\|0000-0003-0119-1438 Lloret Morancho, Antonio\|\|\|0000-0001-7991-8487 Moya Sánchez, José\|\|\|0000-0001-9686-656X Puig i Polo, Càrol\|\|\|0000-0002-8820-6446 Fraccica, Alessandro
author_role	author
author2	Vaunat, Jean\|\|\|0000-0003-3579-9652 Hurlimann Ziegler, Marcel\|\|\|0000-0003-0119-1438 Lloret Morancho, Antonio\|\|\|0000-0001-7991-8487 Moya Sánchez, José\|\|\|0000-0001-9686-656X Puig i Polo, Càrol\|\|\|0000-0002-8820-6446 Fraccica, Alessandro
author2_role	author author author author author author
dc.subject.none.fl_str_mv	Slopes (Soil mechanics)--Stability Embankment Rainfall Infiltration Temperature Vegetation cover Monitoring Talussos (Mecànica dels sòls) -- Tractament Àrees temàtiques de la UPC::Enginyeria civil::Geotècnia::Mecànica de sòls
topic	Slopes (Soil mechanics)--Stability Embankment Rainfall Infiltration Temperature Vegetation cover Monitoring Talussos (Mecànica dels sòls) -- Tractament Àrees temàtiques de la UPC::Enginyeria civil::Geotècnia::Mecànica de sòls
description	The stability and erosion of natural and man-made slopes is influenced by soil-vegetation-atmosphere interactions and the thermo-hydro-mechanical slope conditions. Understanding such interactions at the source of slope mass-wasting is important to develop land-use planning strategy and to promote environmentally adapted mitigation strategies, such as the use of vegetation to stabilize slopes and control erosion. Monitoring is essential for calibrating and validating models and for better comprehending the physical mechanisms of soil-vegetation-atmosphere interactions. We approached this complex problem by means of an experimental work in a full-scale monitored embankment, which is divided into four instrumented partitions. These partitions are North or South-faced and present a bare and vegetation cover at each orientation. Our main findings show that vegetation enhances rainfall infiltration and decreases runoff, which reduces slope stability and surficial erosion, while plant transpiration induces higher suctions and hence slope stability. Concerning thermal aspects, vegetation reduces the incidence of net solar radiation and consequently heat flux. Thus, daily temperature fluctuations and evaporation decreases. However, the effect of vegetation in the development of dryer soil conditions is more significant than the orientation effect, presenting higher drying rates and states at the North-vegetated slope compared to the South-bare slope.
publishDate	2021
dc.date.none.fl_str_mv	2021 2021-01-01 2021 2021-02-01
dc.type.none.fl_str_mv	journal article http://purl.org/coar/resource_type/c_6501 VoR http://purl.org/coar/version/c_970fb48d4fbd8a85
dc.type.openaire.fl_str_mv	info:eu-repo/semantics/article
format	article
dc.identifier.none.fl_str_mv	https://hdl.handle.net/2117/336291 https://dx.doi.org/10.3390/su13010014
url	https://hdl.handle.net/2117/336291 https://dx.doi.org/10.3390/su13010014
dc.language.none.fl_str_mv	Inglés eng
language_invalid_str_mv	Inglés
language	eng
dc.relation.none.fl_str_mv	Ministerio de Economía y Competitividad http://doi.org/10.13039/501100003329 BIA2015-67500-R PERDIDA DE SUELO EN LADERAS BAJO CAMBIO CLIMATICO. PROCESOS FISICOS, MODELACION PREDICTIVA Y POSIBLES ESTRATEGIAS DE MITIGACION Agencia Estatal de Investigación http://doi.org/10.13039/501100011033 Plan Estatal de Investigación Científica y Técnica y de Innovación 2017-2020 PID2019-104266RB-I00 ANALISIS DE LA EROSION DE SUELOS EN TERRENOS DE ALTA PENDIENTE A DIFERENTES ESCALAS. PROCESOS FISICOS, AUSCULTACION Y MODELIZACION DE FUTUROS CAMBIOS AMBIENTALES
dc.rights.none.fl_str_mv	open access http://purl.org/coar/access_right/c_abf2 Attribution 3.0 Spain http://creativecommons.org/licenses/by/3.0/es/
dc.rights.openaire.fl_str_mv	info:eu-repo/semantics/openAccess
rights_invalid_str_mv	open access http://purl.org/coar/access_right/c_abf2 Attribution 3.0 Spain http://creativecommons.org/licenses/by/3.0/es/
eu_rights_str_mv	openAccess
dc.format.none.fl_str_mv	application/pdf
dc.source.none.fl_str_mv	reponame:UPCommons. Portal del coneixement obert de la UPC instname:Universitat Politècnica de Catalunya (UPC)
instname_str	Universitat Politècnica de Catalunya (UPC)
reponame_str	UPCommons. Portal del coneixement obert de la UPC
collection	UPCommons. Portal del coneixement obert de la UPC
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repository.mail.fl_str_mv
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Slope orientation and vegetation effects on soil thermo-hydraulic behavior: an experimental study

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