Department of Earth Science | Northeastern Illinois University

Principles of Hydrogeology
Earth Science 337
Spring 2002

Daily Objectives #4                                                                                         Dr. Sanders
(January 17, 2002)

By the end of today’s class, you should be able to do the following:

* Find direction of overland flow and surface water flow for an area based on a topographic map.

* Use a topographic map to delineate the drainage basin for a particular point on a stream.

* Use the Thiessen method to determine EUD of precipitation for a map area.

* Describe the instruments used to measure streamflow.

Updated January 17, 2002.