CHICAGO ROCKS! Geology in the City
Daily Objectives #27 (April 20, 2010)
J. Hemzacek and L. Sanders
By the end of today's class, you should be able to do the following:
w Review: For the following characteristics, compare and contrast the two kinds of streams found in "morainal country" (those that flow down the sides of the moraines, and those that flow through the intermorainal areas):
|4general direction of flow with respect to the moraine||4overall stream length|
|4"steepness" of the stream||4flow velocity|
|4amount of flow (e.g. big stream, little stream)|
Explain what the gradient of a stream is.
w Demonstrate how to measure the gradient of a stream using a topographic map.
Department of Earth Science | Northeastern Illinois University
Copyright 2010 Laura L. Sanders. Last updated April 20, 2010.