The Great Green Wall (GGW) Initiative comprises 21 African countries and is implemented under the coordination of the African Union.

The African Development Corridors Database (ADCD) is a comprehensive, georeferenced database detailing 79 ongoing and planned investment corridors across Africa, synthesizing data on 184 specific infrastructure projects (railways, ports, pipelines, airports, techno-cities, and industrial parks). Its purpose is to allow for critical assessment of the spatial and temporal impacts of massive infrastructure investments to maximize development opportunities and support the UN Sustainable Development Goals and AU Agenda 2063. The database includes 22 interlinked tabular and spatial attributes with provided sources, which is expected to improve coordination, efficiency, strategic planning, transparency, and impact assessments for governments, investment banks, practitioners, and conservationists, among other stakeholders.

The Sahel is an area that, over time, has had multiple definitions, climatic-botanical and political: its limits have been traced in very different ways. Even the usage of this name and its delimitation on maps has been openly questioned and contested. Our contribution proposes a cartography capable of mapping the incessant movement of conditions, limits and possibilities that characterize this strip between the Sahara and the humid Sudanese regions, rendering the areal definition of the Sahel visible and fluid at the same time. However, it is a question of rethinking the very foundation of cartography – what has been ‘taken for granted’ in the past – such as the common tools of cartographic representation, for example the concept of ‘isohyet’ to identify climatic areas or ‘boundaries’ to define political jurisdictions. Knowledge from fieldwork and expertise in the processing of satellite and geo-referenced data converge in this path of analysis and representation.

This dataset compiles geophysical models detailing the thickness of the Earth's outer layers, ranging from surface sedimentary basins down to the base of the lithosphere. The collection serves a dual purpose: it provides broad, global baseline data for sediment distribution, while also offering high-resolution, integrated regional models specifically focused on the African plate.

Dataset Contents:

I. Global Baselines

• Global Sediment Thickness (Laske & Masters, 2013): The global sediment thickness baseline extracted from the CRUST1.0 model. This provides broad, foundational coverage across both continental and oceanic domains. (Values expressed in km).
• Global Oceanic Sediment Thickness (Straume et al., 2019): A high-resolution, 5-arc-minute grid detailing total sediment thickness specifically for the world's oceans and marginal seas, compiled from extensive new data and previous work. (Values expressed in m).

II. African Regional Models

• Combined Sediment Thickness (Africa): A synthesized, optimized sedimentary thickness map for Africa and its surrounding regions. This layer intelligently merges the Laske & Masters (2013) and Straume et al. (2019) maps, prioritizing the Straume data wherever overlaps occur to maximize resolution. (Values expressed in m).
• Crustal Thickness (Globig et al., 2016): An Africa-specific crustal thickness map derived from the integrated modeling of elevation, geoid data, and rigorous thermal analysis. (Values expressed in km).
• Lithosphere Thickness (Globig et al., 2016): An Africa-specific lithospheric thickness map, complementing the crustal layer, derived using the same integrated elevation, geoid, and thermal modeling approach. (Values expressed in km).

These layers are part of the Geothermal Atlas for Africa developed within the LEAP-RE project

HydroRIVERS represents a vectorized line network of all global rivers that have a catchment area of at least 10 km² or an average river flow of at least 0.1 m³/sec, or both. HydroRIVERS only includes a limited amount of (mostly geometric) attribute information, such as the river reach length, the distance from upstream headwaters and ocean outlet, the river order, and an estimate of long-term average discharge. Every river reach is also co-registered to the sub-basin of the HydroBASINS database in which it resides (via a shared ID). Extracted from HydroSHEDS at 15 arc-second resolution, this layer is part of the HydroATLAS collection..