INTRO TO EARTH SCIENCE

COURSE DESCRIPTION

ASSIGNMENTS

WIKI

INSTRUCTOR CONTACT INFO

COURSE REQUIREMENTS

INTRODUCTION TO EARTH SCIENCE
ESCI 121
Fall 2010
Section 0
6

DAILY OBJECTIVES

An extra credit opportunity has been posted on the Assignments page.

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

TOPOGRAPHIC MAPS

Examine and describe the implications of these images of traditional and contour plowing (click on each image to see it in its original context):
 Photo credit James Gentry Copyright SuperStock, Inc. geography.fieldwork.com

w   Using the scale on a topographic map, find the distance between two points.

w
(Review) Define these terms:

topography           topographic map
○
contour line         contour interval

w   Using a topographic map, find the elevation of any point.

w
Using a topographic map, determine the elevation of the top of a hill or mountain.

w Using only the shape of contour lines (not numbers) on a topographic map, determine the direction of flow of a stream.

w
Using a USGS topographic map, identify these landforms/features:

○  hill                    ○  valley                        ○  closed depression (basin)
○  stream              ○  intermittent stream     ○  lake
○  floodplain           ○  an urbanized area

w
Use a topographic map to estimate the latitude and longitude of a point, using the lat/long markings on the side of the map and the four crosses dividing each quad into nine 2.5' x 2.5' portions.

w   Locate a hachured contour line on a topographic map and tell what it indicates about the topography.

w Demonstrate that you can distinguish between steep slopes and gentle slopes as illustrated on a topographic map.

 NEIU DEPARTMENT OF EARTH SCIENCE

Department of Earth Science | Northeastern Illinois University

Copyright 2010 Laura L. Sanders.  Last updated November 18, 2010.