Maps and Contours Flashcards
topography
the features that make up the surface of the earth and their positions relative to each other
what is a topographic map
a map that uses contour lines to show landforms and elevation.
brown
general shape of the earth’s surface
blue
water features
green
forested areas / tree coverd areas
red
land grids and important roads
black
smaller roads, bounderies, buildings
purple
new features
contour lines
used to show elevation of the land surface. connect points of equal elevation.
elevation
hight in feet above sea level.
index contour lines
darker lines with labeled elevation
-every 5th line
contour interval
change in elevation between each contour line.
diffrence between 2 index contour lines / 5
gentle slope
contour lines are spaced apart
steep slope
contour lines are bunched tightly together
hill / mountian
bulls eye pattern