INTRO TO EARTH SCIENCE

COURSE DESCRIPTION


ASSIGNMENTS

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INTRODUCTION TO EARTH SCIENCE
ESCI 121
Fall 2010
Section 05

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

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Department of Earth Science | Northeastern Illinois University

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