DRAINAGE BASINS - World Rivers

Each stream, small or large, has a drainage basin, the total area drained by a stream and its tributaries. In the great majority of the rivers, water comes from numerous tributaries, rather than the river source. A tributary is usually a smaller stream or a river flowing into a larger one. Sometimes, this distinction

River Basins - New Georgia Encyclopedia

Remote Sensing, Free Full-Text

UN Atlas of the Oceans: Subtopic

World's first ocean drainage basin maps showing all the rivers – Grasshopper Geography

Watershed - New World Encyclopedia

US River Basins

World's first ocean drainage basin maps showing all the rivers – Grasshopper Geography

Egypt vs. Ethiopia - by Tomas Pueyo - Uncharted Territories

A comparative study of available water in the major river basins of the world – Freshwater Ecology

The 26 major river basins of the world - Maps on the Web

Watersheds and river basins: Here's why they are vitally important - Interesting Engineering

Mapping the World's River Basins by Continent

Drainage Basin feedbacks

Largest Drainage Basins in the World - WorldAtlas