Lesson 3: Watersheds

Learning Objectives

• Define drainage basin and drainage divide
• Apply water budget equations to a drainage basin
• Utilize Hydrologic Unit Code (HUC) classification of watersheds
• Delineate the watershed drainage area using topographic maps

Handouts

• Watersheds
• Ralston Creek

Reading Assignment

• Hydrologic Unit Maps
• Delineating Watersheds
• USGS Topo Maps [reference]

Homework Problems

• Problem 3
• Problem 4