The constant low-level flow in streams due to the subsurface feed is called ____.
A)direct runoff
B)evapotranspiration
C)base flow
D)evaporation

Question

Quizplus · Accepted Answer

Base flow refers to the constant low-level flow in streams that is sustained by groundwater discharge through the subsurface. Direct runoff refers to surface water flow that occurs immediately after precipitation, while evapotranspiration and evaporation refer to the loss of water from the surface through plant and soil evaporation and plant transpiration.

The Constant Low-Level Flow in Streams Due to the Subsurface