Influence of DEM resolution on the RUSLE model: Case of abandoned quarries in Settat province (Morocco)

Topographic slope information is one of the critical variables, which governs soil erosion. This topographic slope can be derived from the Digital Elevation Model (DEM). Significant discrepancies are found in the estimation of soil erosion using different DEMs of different resolutions. In the presen...

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Autores principales:	Aouichaty Nabil, Bouslihim Yassine, Hilali Said, Zouhri Abdeljalil, Koulali Yahya
Formato:	article
Lenguaje:	EN FR
Publicado:	EDP Sciences 2021
Materias:	Environmental sciences GE1-350
Acceso en línea:	https://doaj.org/article/a631342298254abf9f1884940ab6e84a
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id	oai:doaj.org-article:a631342298254abf9f1884940ab6e84a
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spelling	oai:doaj.org-article:a631342298254abf9f1884940ab6e84a2021-11-08T15:19:01ZInfluence of DEM resolution on the RUSLE model: Case of abandoned quarries in Settat province (Morocco)2267-124210.1051/e3sconf/202131404004https://doaj.org/article/a631342298254abf9f1884940ab6e84a2021-01-01T00:00:00Zhttps://www.e3s-conferences.org/articles/e3sconf/pdf/2021/90/e3sconf_wmad2021_04004.pdfhttps://doaj.org/toc/2267-1242Topographic slope information is one of the critical variables, which governs soil erosion. This topographic slope can be derived from the Digital Elevation Model (DEM). Significant discrepancies are found in the estimation of soil erosion using different DEMs of different resolutions. In the present study, the Revised Universal Soil Loss Equation (RUSLE) was used for soils in the Settat province (Morocco) to assess the risk of water erosion caused by abandoned quarries. The soil erosion rate was divided into five classes to illustrate the erosion rate variability using two DEMs (30m and 90m). The impact of topography on erosion was determined by calculating the value of the LS factors. In this case, the values obtained vary between 0 - 120.623 for ASTER DEM (30m) and 0 - 10.225 for DEM SRTM (90m). The results also show that most quarries have a soil loss rate that varies between 0 t/ha/year and 8.1 t/ha/year for ASTER DEM (30 m). However, for DEM SRTM (90 m), the soil loss rate is zero. This suggests that RUSLE model users should use high-resolution input data for a close representation of reality and capture the maximum results with reasonable accuracy.Aouichaty NabilBouslihim YassineHilali SaidZouhri AbdeljalilKoulali YahyaEDP SciencesarticleEnvironmental sciencesGE1-350ENFRE3S Web of Conferences, Vol 314, p 04004 (2021)
institution	DOAJ
collection	DOAJ
language	EN FR
topic	Environmental sciences GE1-350
spellingShingle	Environmental sciences GE1-350 Aouichaty Nabil Bouslihim Yassine Hilali Said Zouhri Abdeljalil Koulali Yahya Influence of DEM resolution on the RUSLE model: Case of abandoned quarries in Settat province (Morocco)
description	Topographic slope information is one of the critical variables, which governs soil erosion. This topographic slope can be derived from the Digital Elevation Model (DEM). Significant discrepancies are found in the estimation of soil erosion using different DEMs of different resolutions. In the present study, the Revised Universal Soil Loss Equation (RUSLE) was used for soils in the Settat province (Morocco) to assess the risk of water erosion caused by abandoned quarries. The soil erosion rate was divided into five classes to illustrate the erosion rate variability using two DEMs (30m and 90m). The impact of topography on erosion was determined by calculating the value of the LS factors. In this case, the values obtained vary between 0 - 120.623 for ASTER DEM (30m) and 0 - 10.225 for DEM SRTM (90m). The results also show that most quarries have a soil loss rate that varies between 0 t/ha/year and 8.1 t/ha/year for ASTER DEM (30 m). However, for DEM SRTM (90 m), the soil loss rate is zero. This suggests that RUSLE model users should use high-resolution input data for a close representation of reality and capture the maximum results with reasonable accuracy.
format	article
author	Aouichaty Nabil Bouslihim Yassine Hilali Said Zouhri Abdeljalil Koulali Yahya
author_facet	Aouichaty Nabil Bouslihim Yassine Hilali Said Zouhri Abdeljalil Koulali Yahya
author_sort	Aouichaty Nabil
title	Influence of DEM resolution on the RUSLE model: Case of abandoned quarries in Settat province (Morocco)
title_short	Influence of DEM resolution on the RUSLE model: Case of abandoned quarries in Settat province (Morocco)
title_full	Influence of DEM resolution on the RUSLE model: Case of abandoned quarries in Settat province (Morocco)
title_fullStr	Influence of DEM resolution on the RUSLE model: Case of abandoned quarries in Settat province (Morocco)
title_full_unstemmed	Influence of DEM resolution on the RUSLE model: Case of abandoned quarries in Settat province (Morocco)
title_sort	influence of dem resolution on the rusle model: case of abandoned quarries in settat province (morocco)
publisher	EDP Sciences
publishDate	2021
url	https://doaj.org/article/a631342298254abf9f1884940ab6e84a
work_keys_str_mv	AT aouichatynabil influenceofdemresolutionontheruslemodelcaseofabandonedquarriesinsettatprovincemorocco AT bouslihimyassine influenceofdemresolutionontheruslemodelcaseofabandonedquarriesinsettatprovincemorocco AT hilalisaid influenceofdemresolutionontheruslemodelcaseofabandonedquarriesinsettatprovincemorocco AT zouhriabdeljalil influenceofdemresolutionontheruslemodelcaseofabandonedquarriesinsettatprovincemorocco AT koulaliyahya influenceofdemresolutionontheruslemodelcaseofabandonedquarriesinsettatprovincemorocco
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Influence of DEM resolution on the RUSLE model: Case of abandoned quarries in Settat province (Morocco)

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