Geology 210 Class Preparation

Fluvial Systems I

Define the following:  infiltration, infiltration capacity, runoff, overland flow, throughflow, interflow, sheetflow, channelized flow

Describe the following types of streams: permanent, ephemeral, effluent (gaining), influent (losing)

What is stream discharge?  What units are used?  How is discharge measured?

What is a stream hydrograph?  How can hydrographs be used to distinguish base flow and storm runoff?  What is a rating curve?  How are rating curves used?

Describe the relationships between water discharge, stream width and depth, current velocity and downstream position in a stream system.

What is base level?  What causes base level to change in a drainage basin?

What is a flood? How do we measure flood magnitude and flood frequency?

What is a recurrence interval?  How is it calculated? What is a duration curve?

What is stream competence?  Stream capacity?

What is the concept of grade as applied to a stream system?