Читать книгу Introducing Large Rivers - Avijit Gupta - Страница 22

The potential locations of large river basins are determined mainly by plate tectonics. The existence of a large river is possible in such locations provided a high amount of precipitation fell on the basin and is transformed into river discharge. An integrated network of channels is needed to concentrate the basin runoff into a big main channel. A large river basin also includes actively eroding landforms which provide a significant volume of sediment. This chapter introduces the general sources of water and sediment for such rivers.