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Tag: Walther

New data tool tracks political violence in Africa

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Political violence is very irregularly distributed across time. Periods of relative calm are often followed by massive waves of attacks. Violent events are relatively rare, sparse and concentrated, making it difficult to evaluate whether violence is actually increasing or decreasing. To overcome these limitations, UF Geography Associate Professor Olivier Walther developed a new dashboard in […]

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The Spatial Conflict Life Cycle in Africa

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Walther, O., Radil, S., Russell, D. (2024). The spatial conflict life cycle in Africa. Annals of the American Association of Geographers, DOI: 10.1080/24694452.2024.2428812. ABSTRACT: The growing availability of geospatial data that document both how violent actors are connected and where their attacks take place offers a unique opportunity to produce a more integrated approach to […]

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Identifying local conflict trends in North and West Africa

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WALTHER – Identifying local conflict trends in North and West Africa Radil, Steven and Walther, Olivier Article first published online: 9 March 2024 DOI: https://doi.org/10.1787/24142026 ABSTRACT: Several states in West Africa have experienced significant episodes of political violence since the early 2010s. These have included civil wars, religiously motivated terrorism, separatist insurgencies, military coups and […]

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The impact of transport policies on road accessibility in Ghana

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WALTHER – The impact of transport policies on road accessibility in Ghana Susanna Goewey, Olivier J. Walther, Paul Nugent Article first published online: 01 February 2024 DOI: https://doi.org/10.1080/19376812.2024.2309385 ABSTRACT: This article examines the impact of transport policies on road accessibility in Ghana. To measure accessibility gains, the article applies a model that compares the area […]

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Border studies at 45

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Walther – Border studies at 45 Olivier Walther, Anne-Laure Amilhat Szary, Chiara Brambilla, Emmanuel Brunet-Jailly, Martin Klatt, Jussi P. Laine, Inocent Moyo, Thomas Ptak, Steven Radil Article first published online: 14 May 2023 DOI: https://doi.org/10.1016/j.polgeo.2023.102909 ABSTRACT: This essay takes stock of the work conducted in border studies so far and discusses some of the challenges […]

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Urbanisation and Conflicts in North and West Africa

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WALTHER, RUSSELL, PFLAUM – Urbanisation and Conflicts in North and West Africa Olivier J. Walther, Steven M. Radil, David G. Russell, Matthew Pflaum, Alexander Thurston First published online: 21 Mar 2023 OECD Report DOI: 10.1787/3fc68183-en ABSTRACT: North and West Africa are undergoing rapid urbanisation. While cities and urban areas have always been sites of conflict, […]

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UF team awarded NASA grant to study artisanal mining and charcoal production in Ghana

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A team of University of Florida researchers has been awarded a $660,000 grant to detect and monitor risks of artisanal mining and charcoal production in Ghana, NASA announced last week. Entitled “Integrating Socio-Economic and Remotely Sensed Information to Characterize Conflict Precursors and Land Degradation Dynamics in Ghana”, the three-year project will combine images collected by […]

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Revolutionary Insurgents or Conservative Reactionaries? National Liberation Army’s Transnational Expansion in Colombia and Venezuela

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WALTHER – Revolutionary Insurgents or Conservative Reactionaries? National Liberation Army’s Transnational Expansion in Colombia and Venezuela Juan D. Rojas, Olivier J. Walther Article first published online: 10 September 2022 DOI: https://doi.org/10.1353/lag.0.0182 ABSTRACT: The objective of this article is to document the spatial diffusion of the National Liberation Army (ELN) in Colombia and Venezuela. Building on a […]

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Security and Trade in African Borderlands-An Introduction

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WALTHER – Security and Trade in African Borderlands-An Introduction Olivier Walther Article first published online: 08 Mar 2022 DOI: https://doi.org/10.1080/08865655.2022.2049350 ABSTRACT: The goal of this special issue is to explore the relationships that bind trade and security in African borderlands. Examples from the Horn, North, and West Africa suggest that African countries are in the difficult situation […]

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