Section Objectives
After you have completed this section, you will be able to:
- Describe the water cycle.
- Discuss the concept of a watershed and identify the characteristics of a watershed, such as runoff, river basins, reservoirs, and aquifers.
- Describe the interactions that occur within a watershed.
- Describe inputs and outputs of surface and subsurface water.
- Discuss human impacts on watersheds and the interactions between water supplies and human societies.