River Definitions Flashcards
River
A body of water flowing in a confined channel
Source
The place from which a river begins
Mouth
The area where the river ends. It is usually the area where it flows into the sea or lake
Watershed/ Divide
The highland area which separates the area drained by one river from that of another
Watershed/ Divide
The highland area which separates the area drained by one river from that of another
Tributary
A river which joins a larger river, increasing the volume of water
Drainage Basin
All the area drained by a river and its tributaries.
Confluence
The place where a river flows into another river
River valley
The long depression in which the river flows. It includes the channel sides, floor, and surrounding area
River channel
This is the actual confined area where the water is flowing
Load
All the material carried by the river
The hydrological cycle
The hydrological cycle is the unending circulation of water from the sea and land to the atmosphere and back again
Drainage Pattern
The arrangement of a river and its tributaries
Radical drainage
The rivers and their tributaries flow outward from a central highland area in all directions. E.g La Soufrière in St. Vincent and the Grenadines, Nevis peak
Trellis Drainage
The tributaries of the main river join it at right angles. This pattern has the appearance of a rectangular grid. It is most common in areas of alternate bands of hard and soft rock. E.g the northern range in Trinidad