Recently published research articles, cartographic updates, and hydrological profiles in chronological order.
South Africa's longest river rises in the snow-dusted Drakensberg mountains of Lesotho, plunging over the 184-foot Augrabies granite cataract on its 1,367-mile desert course to the Atlantic.
Coursing 1,087 miles in an immense arc separating South Africa and Botswana from Zimbabwe, the Limpopo supports rich river safari fauna before emptying into the Indian Ocean.
Flowing 1,020 miles along the arid border of Senegal and Mauritania, this river is managed jointly by four sovereign nations through the pioneering OMVS water commission.
In 1965, the Akosombo Dam flooded 3.6% of Ghana's landmass, creating Lake Volta—the largest artificial reservoir on Earth by surface area (8,502 km²).
Descending 472 miles through the Ethiopian Rift Valley into Kenya's desert Lake Turkana, the Omo is renowned for hominid fossil discoveries and the giant Gibe III arch dam.
Stretching 1,338 miles from Angola into the DRC, the Kasai delivers an astonishing 10,000 m³/s to the Congo River while churning alluvial gem diamond deposits along its gravel bars.
Forming the border between the DRC, the Republic of the Congo, and the CAR for 1,410 miles, the Ubangi is the largest right-bank tributary of the Congo River system.
Flowing 250 miles as the sole drainage outlet of the East African Rift's Lake Malawi, the Shire plunges through Kapichira Falls before merging with the lower Zambezi River.
Flowing 264 miles across the North Island of New Zealand, the Waikato drains Lake Taupo's volcanic caldera, coursing through the crashing cyan waters of Huka Falls.
Stretching 1,702 miles through arid outback Queensland and New South Wales, the Darling experiences boom-and-bust hydrology with long dry spells and sudden inland floods.
Flowing 700 miles through tropical cloud forests and vast oxbow lagoons, the undammed Sepik supports rich tribal cultures and one of Earth's most intact river basins.
With an astounding discharge of 6,000 m³/s for a length of just 650 miles, the Fly River discharges immense tropical rainfall into the Gulf of Papua through a 33-mile-wide funnel estuary.
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