The SAGE Handbook of Geographical Knowledge is a critical inquiry into how Geography as a field of knowledge has been produced, re-produced, and re-imagined. It comprises three sections on Geographical Orientations, Geography’s Venues, and Critical Geographical Concepts and Controversies. The first provides an overview of the genealogy of ‘geography.' The second highlights the types of spatial settings and locations in which geographical knowledge has been produced. The third focuses on venues of primary importance in the historical geography of geographical thought.

Rivers and Drainage Basins

Rivers and drainage basins


Rivers collect and transport water and sediments from higher to lower areas of the land surface, and, in most cases, eventually to the sea. Rivers are, however, not simply linear conveyor belts; they exist as part of wider networks that drain the land surface comprising their drainage basins. These drainage basins are structural (geological) features of the landscape, which define the area, or catchment for the collection of water and sediments, and which are separated (in all but very few instances) topographically from other basins by drainage divides or watersheds. Particularly in North America, the term watershed is frequently used as synonymous with the drainage basin, and the terms such as river basin are also commonly deployed.

Drainage basins, ...

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