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Tag: Walther

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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Contextualizing the Relationship Between Borderlands and Political Violence: A Dynamic Space-Time Analysis in North and West Africa

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WALTHER – Contextualizing the Relationship Between Borderlands and Political Violence: A Dynamic Space-Time Analysis in North and West Africa Steven M. Radila, Ian Irmischer. & Olivier J. Walther Article first published online: 25 AUG 2021 Journal of Borderlands Studies DOI: 10.1080/08865655.2021.1968926 ABSTRACT: This paper examines the role of borderlands in contemporary armed conflicts in North […]

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Focus Area 5: Catastrophes, Conservation, and Conflict

Disastrous natural hazards, both fast and slow, and violent conflicts affect many people worldwide, often impacting already fragile environments and conservation areas. These crises have significant political, economic, and social implications that can reverse development gains, further entrench poverty and inequality, thereby increasing the risk for future crises. Sub-areas Humanitarian Crises Social Vulnerability Natural Resources Outbreaks Environmental Security Community Conservation Protected Areas Wildlife […]

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Focus Area 4: Geopolitics & The Global Economy

The turbulence of the current times has dramatically transformed the world’s economic and political geographies. The scale and scope of such changes require urgent attention. Important topics in this arena relate to: globalization and its impact on peoples and places; economic inequalities across geographic scales and borders; terrorism and power; the development of the knowledge-based economy; and […]

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Focus Area 3: Places, Networks, & Flows

Geographers conceive of networks and flows between places as a foundational spatial concept. Geographic information systems (GIS) are the main analytical tools employed in determining relations between individuals, settlements, modes of transport, and infrastructures like power grids, and communication networks. The concepts can also be applied to disease contagion, healthcare service delivery, crime activities, river […]

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