Hydrography and geomorphology of Antananarivo High City (Madagascar)

The city of Antananarivo is located in the central highlands of Madagascar, and is the largest urban center of the island. Considering the frequent heavy cyclonic rains frequently affecting the area, its geomorphological context is particularly prone to geo-hydrological hazards, such as landslides a...

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Autores principales:	William Frodella, Daniele Spizzichino, Andrea Ciampalini, Claudio Margottini, Nicola Casagli
Formato:	article
Lenguaje:	EN
Publicado:	Taylor & Francis Group 2021
Materias:	geomorphological mapping gis remote sensing cultural heritage landslides Maps G3180-9980
Acceso en línea:	https://doaj.org/article/5df8d8f2f7874244a344f56dfb26dd17
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id	oai:doaj.org-article:5df8d8f2f7874244a344f56dfb26dd17
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spelling	oai:doaj.org-article:5df8d8f2f7874244a344f56dfb26dd172021-11-04T15:00:42ZHydrography and geomorphology of Antananarivo High City (Madagascar)1744-564710.1080/17445647.2020.1721343https://doaj.org/article/5df8d8f2f7874244a344f56dfb26dd172021-07-01T00:00:00Zhttp://dx.doi.org/10.1080/17445647.2020.1721343https://doaj.org/toc/1744-5647The city of Antananarivo is located in the central highlands of Madagascar, and is the largest urban center of the island. Considering the frequent heavy cyclonic rains frequently affecting the area, its geomorphological context is particularly prone to geo-hydrological hazards, such as landslides and flash floods, as recently proved during the disastrous events of the winters of 2015 and 2018. Field data and high-resolution remote sensing data interpretation (DEMs and satellite orthophotos) were combined in order to produce detailed hydrographic and geomorphological maps. The aim was to understand the processes acting in the Analamanga hill area, with special regards to the effect of human activity in modeling the natural landforms and exacerbating the geo-hydrological hazards. The obtained maps will provide management-planning tools to be used as a first step towards a risk reduction strategy in the Antananarivo historical urban center.William FrodellaDaniele SpizzichinoAndrea CiampaliniClaudio MargottiniNicola CasagliTaylor & Francis Grouparticlegeomorphological mappinggisremote sensingcultural heritagelandslidesMapsG3180-9980ENJournal of Maps, Vol 17, Iss 4, Pp 215-226 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	geomorphological mapping gis remote sensing cultural heritage landslides Maps G3180-9980
spellingShingle	geomorphological mapping gis remote sensing cultural heritage landslides Maps G3180-9980 William Frodella Daniele Spizzichino Andrea Ciampalini Claudio Margottini Nicola Casagli Hydrography and geomorphology of Antananarivo High City (Madagascar)
description	The city of Antananarivo is located in the central highlands of Madagascar, and is the largest urban center of the island. Considering the frequent heavy cyclonic rains frequently affecting the area, its geomorphological context is particularly prone to geo-hydrological hazards, such as landslides and flash floods, as recently proved during the disastrous events of the winters of 2015 and 2018. Field data and high-resolution remote sensing data interpretation (DEMs and satellite orthophotos) were combined in order to produce detailed hydrographic and geomorphological maps. The aim was to understand the processes acting in the Analamanga hill area, with special regards to the effect of human activity in modeling the natural landforms and exacerbating the geo-hydrological hazards. The obtained maps will provide management-planning tools to be used as a first step towards a risk reduction strategy in the Antananarivo historical urban center.
format	article
author	William Frodella Daniele Spizzichino Andrea Ciampalini Claudio Margottini Nicola Casagli
author_facet	William Frodella Daniele Spizzichino Andrea Ciampalini Claudio Margottini Nicola Casagli
author_sort	William Frodella
title	Hydrography and geomorphology of Antananarivo High City (Madagascar)
title_short	Hydrography and geomorphology of Antananarivo High City (Madagascar)
title_full	Hydrography and geomorphology of Antananarivo High City (Madagascar)
title_fullStr	Hydrography and geomorphology of Antananarivo High City (Madagascar)
title_full_unstemmed	Hydrography and geomorphology of Antananarivo High City (Madagascar)
title_sort	hydrography and geomorphology of antananarivo high city (madagascar)
publisher	Taylor & Francis Group
publishDate	2021
url	https://doaj.org/article/5df8d8f2f7874244a344f56dfb26dd17
work_keys_str_mv	AT williamfrodella hydrographyandgeomorphologyofantananarivohighcitymadagascar AT danielespizzichino hydrographyandgeomorphologyofantananarivohighcitymadagascar AT andreaciampalini hydrographyandgeomorphologyofantananarivohighcitymadagascar AT claudiomargottini hydrographyandgeomorphologyofantananarivohighcitymadagascar AT nicolacasagli hydrographyandgeomorphologyofantananarivohighcitymadagascar
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Hydrography and geomorphology of Antananarivo High City (Madagascar)

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