Africa

Set of maps illustrating how researchers used deep learning to map trees in West Africa.

Mapping Trees in West Africa

Mark Altaweel

Researchers used high resolution satellite imagery and machine learning to map trees in West Africa.

This astronaut photograph of the Eastern Branch of the Rift (near Kenya’s southern border) highlights the classical geologic structures associated with a tectonic rift valley. Astronaut photograph ISS030-E-35487 was acquired on January 14, 2012.

The Continent of Africa Might Eventually Split

Elizabeth Borneman

Rifts could split Africa into pieces and create a new ocean that would form in the rift valleys.

Haloarchaea are salt-loving microorganisms that impart the pink and red colors of Lake Natron in Tanzania. Image: Landsat 8 acquired March 6, 2017.

This Lake is Home to the Highest Concentrations of Lesser Flamingos in East Africa

Caitlin Dempsey

The protective salt marshes that ring Lake Natron in Tanzania have nurtured the highest concentrations of lesser and greater flamingos in East Africa.

Changes in Countries and Capital

Caitlin Dempsey

Listed here are more recently formed countries and capitals that have moved and well as some geography news items about some countries.

Brought to the Carribean by enslaved Africans, this is the only baobab tree on St. John. Photo: Carrie Stengel, NPS, Virgin Islands National Park, public domain.

Study Shows Southern African Ancient Baobabs Are Dying

Katarina Samurović

A study published in the journal Nature Plants found that 9 of out of 13 oldest, and 5 of 6 most massive baobab trees died during the study, many of them suddenly.

The Aorounga Crater in Northern Chad

Caitlin Dempsey

The Aorounga Crater is an impact crater located in northern Chad just south of the Tibesti Mountains in the central Sahara desert.

How Often Does it Snow in the Sahara Desert?

Caitlin Dempsey

The sight of snow in the Sahara Desert is rare, but it does happen on occasion.

Global Landslide Susceptibility Map Highlights Overlooked Regions of the World

Elizabeth Borneman

NASA satellites and imagery can detect where in the world landslides are likely to occur based on geographical features and the amount of precipitation that has fallen in the area.

Which Continent Lies in All Four Hemispheres?

Caitlin Dempsey

While several of the world's continents are traversed by the separation between two hemispheres, there is only one continent in the world that lies in all four hemispheres: Africa.

Geographic distribution of malaria in Sub-Saharan Africa. Malaria prevalence survey locations and values overlaid upon the distance to the nearest protected area for Sub-Saharan Africa within the malaria zone. From Taber and Smitchwick, 2015.

Do Protected Areas Have an Effect on Malaria Prevalence?

A.J. Rohn

Recently, a paper by researchers at Penn State was published in Applied Geography that looks for connections between protected areas in Africa and malaria.

Map showing the percentage of population with access to electricity. Source: World Bank, 2011-2015.

African Hydropower News

A.J. Rohn

The construction of hydroelectric dams in Sub-Saharan Africa provides the opportunity to bring more power to the region and prepare for rapidly growing populations and offers benefits to health, agriculture, and more

Climate change in the Sahel has resulted in dried lakes, unemployed fishermen, droughts, flooding, conflict, and food insecurity. Map: Millennium Ecosystem Assessment report on Ecosystems and Human Well-Being Desertification Synthesis.

Climate Change and Development

A.J. Rohn

Researchers with the London School of Economics and Political Science published a report as part of the Pathways to Resilience in Semi-Arid Economies project that looks into reconciling economic development and poverty alleviation with climate change.

Ebola outbreak distribution map for West Africa. Source: CDC, October 10, 2014.

How the Ebola Outbreak has Highlighted Ignorance of Africa’s Geography

Caitlin Dempsey

Despite the Ebola outbreak currently only affecting three countries that together make up less than 2% of the total area of Africa, the perception among some is that the entire continent of Africa is currently at risk.

Using Remote Sensing to Combat Poverty

Rebecca Maxwell

Remote sensing, the practice of gathering information about objects without being physically near them, has had many practical uses for ...