, FEATURES OF A DRAINAGE
SYSTEM:
• WATERSHED: Area of high-lying land separating two
river valleys.
• TRIBUTARY: A stream that flows into the main river.
• RIVER MOUTH: Point where the river ends – in the sea
or a lake.
,• SOURCE: Place where a river starts.
• CONFLUENCE: Point where two rivers meet.
• WATER TABLE: The upper level of the
underground water.
• SURFACE RUNOFF: Water that flows over the
ground.
, • DRAINAGE BASIN: The entire area drained by a
river system including the main stream and its
tributaries.
• GROUNDWATER: Water stored in porous soil and
rock masses.
• INTERFLUVE: The higher areas between different
tributaries.
SYSTEM:
• WATERSHED: Area of high-lying land separating two
river valleys.
• TRIBUTARY: A stream that flows into the main river.
• RIVER MOUTH: Point where the river ends – in the sea
or a lake.
,• SOURCE: Place where a river starts.
• CONFLUENCE: Point where two rivers meet.
• WATER TABLE: The upper level of the
underground water.
• SURFACE RUNOFF: Water that flows over the
ground.
, • DRAINAGE BASIN: The entire area drained by a
river system including the main stream and its
tributaries.
• GROUNDWATER: Water stored in porous soil and
rock masses.
• INTERFLUVE: The higher areas between different
tributaries.
