Intro to Physical Geography Lab 3: Topographic Maps & Relief

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dam

a depression uphill and a canyon would indicate a

low relief

a region that is mostly flat would have

high relief

a region with steep cliff and deep valleys would have

isobars

air pressure; common in weather

topographic profile

change from overhead view to side profile select a transect across terrain plot elevation across the transect's horizontal distance commonly used in trail books to show trail difficulty

total relief

change in elevation between highest ("x") and lowest point on entire map

local relief

change in elevation between two specified points

depression

closed contour shape with ticks indicates a

hill/summit

concentric contours indicate a

terrain

describes how the surface elevation changes across the landscape

relief

distance between the highest and lowest points on a map can describe how quickly the elevation is changing

contour lines

how elevation is shown on topographic maps type of isoline that show consistent elevation all points on this have the same elevation printed in brown; make a closed shape though may run off the map if it is too small

isolines

line on a map connecting points of identical value

isogons

magnetic declination

topographic maps

maps that display changes in elevation a map of physical features + contour lines

contour interval

separate multiple contour lines with this (a consistent change in elevation) will be the same for the same map and different among different maps

isotherms

temperature; common in weather

index contours

thicker lines that have their elevation printed on the map usually labeled with elevation

upstream; downhill

this v-shaped pattern (indicative of a stream) points___ and water flows___

since the spacing of contour lines=the slope of the land, then the closer the counter lines the steeper the land is

what generalization would you make about the relationship between the closeness of contour lines and real-world terrain steepness

v-shaped pattern

when a contour line crosses a stream, it makes a


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