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Flashcards in Drainage Basins Deck (13):
0

Drainage basin

An area of land drained by a river

1

Drainage basins are .... systems

Open

2

What are open systems?

Inputs of water - water flows through and is stored in them - outputs of water

3

Inputs of a drainage basin (1)

Precipitation

4

Flows of a drainage basin (6)

Surface runoff, channel flow, infiltration, throughflow, groundwater flow and percolation

5

Stores of a drainage basin (4)

Surface storage, interception storage, groundwater storage and channel storage

6

Outputs of a drainage basin (3)

Evaporation, transpiration and rivers flowing into the sea

7

What is the name of the boundary that drainage basins are separated by?

Watersheds

8

What is a watershed?

Ridges of high land - water falls either side

9

What is a tributary?

Small river that joins a main river

10

What is the source?

Where the river starts

11

What is the confluence?

A point where two rivers join

12

What is the mouth?

Where a river flows into the sea or lake