Relationships between Peri-Urbanization Processes and Multi-Hazard Increases: Compared Diachronic Analysis in Basins of the Mediterranean Coast

This paper analyzes the relationships between the peri-urbanization process in the surroundings of cities and the increase in the synergistic dangers of flooding and water erosion. An analysis and an evaluation of the conditions causing the flooding in peri-urban basins are carried out, comparing th...

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Autores principales:	Antonio Gallegos Reina, María Jesús Perles Roselló
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	synergistic multiple hazards peri-urban areas diachronic analysis floods water erosion Geography (General) G1-922
Acceso en línea:	https://doaj.org/article/9b90142751164a6785b60a028158c430
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spelling	oai:doaj.org-article:9b90142751164a6785b60a028158c4302021-11-25T17:53:02ZRelationships between Peri-Urbanization Processes and Multi-Hazard Increases: Compared Diachronic Analysis in Basins of the Mediterranean Coast10.3390/ijgi101107592220-9964https://doaj.org/article/9b90142751164a6785b60a028158c4302021-11-01T00:00:00Zhttps://www.mdpi.com/2220-9964/10/11/759https://doaj.org/toc/2220-9964This paper analyzes the relationships between the peri-urbanization process in the surroundings of cities and the increase in the synergistic dangers of flooding and water erosion. An analysis and an evaluation of the conditions causing the flooding in peri-urban basins are carried out, comparing the conditions before and after the peri-urbanization process. For this purpose, a diachronic analysis of the morphological and functional conditions of the territory that conditions flooding and associated dangers is provided. The conditions for the generation of runoff, the incorporation of solids into the flood flow, and the characteristics of urban planning are evaluated in 1956 (date before the peri-urbanization process) and 2010 (the peak of the urbanization process in the area) in order to analyze the changes in the land use model and their consequences on the increase in risk. The study is applied to four river basins (44 km<sup>2</sup> in total) with varied land use models, in order to collect representative scenarios of the peri-urban coastal basins of the Spanish Mediterranean region. The results show that the risk factors that undergo the most significant changes are the runoff threshold, the vegetation cover, and the soil structure. It is concluded that peri-urbanization constitutes a territorial risk-causing process, and attention is drawn to the convenience of going beyond the sectoral approach in the study of hazards, coming to understand them as a multi-hazard process in which causes have a direct relationship with the underlying territorial model.Antonio Gallegos ReinaMaría Jesús Perles RosellóMDPI AGarticlesynergistic multiple hazardsperi-urban areasdiachronic analysisfloodswater erosionGeography (General)G1-922ENISPRS International Journal of Geo-Information, Vol 10, Iss 759, p 759 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	synergistic multiple hazards peri-urban areas diachronic analysis floods water erosion Geography (General) G1-922
spellingShingle	synergistic multiple hazards peri-urban areas diachronic analysis floods water erosion Geography (General) G1-922 Antonio Gallegos Reina María Jesús Perles Roselló Relationships between Peri-Urbanization Processes and Multi-Hazard Increases: Compared Diachronic Analysis in Basins of the Mediterranean Coast
description	This paper analyzes the relationships between the peri-urbanization process in the surroundings of cities and the increase in the synergistic dangers of flooding and water erosion. An analysis and an evaluation of the conditions causing the flooding in peri-urban basins are carried out, comparing the conditions before and after the peri-urbanization process. For this purpose, a diachronic analysis of the morphological and functional conditions of the territory that conditions flooding and associated dangers is provided. The conditions for the generation of runoff, the incorporation of solids into the flood flow, and the characteristics of urban planning are evaluated in 1956 (date before the peri-urbanization process) and 2010 (the peak of the urbanization process in the area) in order to analyze the changes in the land use model and their consequences on the increase in risk. The study is applied to four river basins (44 km<sup>2</sup> in total) with varied land use models, in order to collect representative scenarios of the peri-urban coastal basins of the Spanish Mediterranean region. The results show that the risk factors that undergo the most significant changes are the runoff threshold, the vegetation cover, and the soil structure. It is concluded that peri-urbanization constitutes a territorial risk-causing process, and attention is drawn to the convenience of going beyond the sectoral approach in the study of hazards, coming to understand them as a multi-hazard process in which causes have a direct relationship with the underlying territorial model.
format	article
author	Antonio Gallegos Reina María Jesús Perles Roselló
author_facet	Antonio Gallegos Reina María Jesús Perles Roselló
author_sort	Antonio Gallegos Reina
title	Relationships between Peri-Urbanization Processes and Multi-Hazard Increases: Compared Diachronic Analysis in Basins of the Mediterranean Coast
title_short	Relationships between Peri-Urbanization Processes and Multi-Hazard Increases: Compared Diachronic Analysis in Basins of the Mediterranean Coast
title_full	Relationships between Peri-Urbanization Processes and Multi-Hazard Increases: Compared Diachronic Analysis in Basins of the Mediterranean Coast
title_fullStr	Relationships between Peri-Urbanization Processes and Multi-Hazard Increases: Compared Diachronic Analysis in Basins of the Mediterranean Coast
title_full_unstemmed	Relationships between Peri-Urbanization Processes and Multi-Hazard Increases: Compared Diachronic Analysis in Basins of the Mediterranean Coast
title_sort	relationships between peri-urbanization processes and multi-hazard increases: compared diachronic analysis in basins of the mediterranean coast
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/9b90142751164a6785b60a028158c430
work_keys_str_mv	AT antoniogallegosreina relationshipsbetweenperiurbanizationprocessesandmultihazardincreasescompareddiachronicanalysisinbasinsofthemediterraneancoast AT mariajesusperlesrosello relationshipsbetweenperiurbanizationprocessesandmultihazardincreasescompareddiachronicanalysisinbasinsofthemediterraneancoast
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Relationships between Peri-Urbanization Processes and Multi-Hazard Increases: Compared Diachronic Analysis in Basins of the Mediterranean Coast

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