What is a sink (in terms of hydrologic modeling)?
A) The lowest point in a raster surface
B) A low point surrounded by high points
C) A high point surrounded on all eight sides by low points
D) A set of cells that all of the same elevation value making flow impossible

Question

Quizplus · Accepted Answer

A sink in hydrologic modeling refers to a low point on the terrain surface that is surrounded by higher points, which can trap water and prevent it from flowing out.

What Is a Sink (In Terms of Hydrologic Modeling)