 Hydrography and geomorphology of Antananarivo High City (Madagascar)William Frodella, Daniele Spizzichino, Andrea Ciampalini, Claudio Margottini and Nicola Casagli Journal of Maps, 2021, vol. 17, issue 4, 215-226 Abstract: 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. Date: 2021 Downloads: (external link) Related works: Export reference: BibTeX RIS (EndNote, ProCite, RefMan) HTML/Text Persistent link: https://EconPapers.repec.org/RePEc:taf:tjomxx:v:17:y:2021:i:4:p:215-226 Ordering information: This journal article can be ordered from DOI: 10.1080/17445647.2020.1721343 Access Statistics for this article Journal of Maps is currently edited by Dr Mike Smith, Dr Jeremy Porter and Dr Dick Berg More articles in Journal of Maps from Taylor & Francis Journals |
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