topographic maps. topographic map: topographic map: – a contour map -

Download Topographic Maps. Topographic Map: Topographic Map: – A contour map -

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  • Slide 1
  • Topographic Maps
  • Slide 2
  • Topographic Map: Topographic Map: A contour map -
  • Slide 3
  • Complicated Topographic Map
  • Slide 4
  • Simple Topographic Map I am standing where the land meets the water, what is this called?
  • Slide 5
  • *All elevations are relative to sea level 0 meter contour line
  • Slide 6
  • Profile View of Island Sea Level 0 meters Sea Level rises 5 meters during the night Sea level Rises another 5 meters Black paint
  • Slide 7
  • Profile View of Island 0 meters Sea Level Rises another 5 meters A total of 15 meters
  • Slide 8
  • 0 meters 5 meters 10 meters 15 meters
  • Slide 9
  • How would the island look from the Helicopter with the black lines? 15 m 0 m 10 m 5 m What are the values for the lines? Top View of the Island
  • Slide 10
  • Contour Line Features
  • Slide 11
  • Which side of the island is steeper? N S
  • Slide 12
  • 15 m 0 m 10 m 5 m What do you notice about the contour lines? North South
  • Slide 13
  • Gradient: Steep -- Gentle -- Gentle Steep
  • Slide 14
  • 15 m 0 m 10 m 5 m What is the elevation difference between the two locations? Contour interval A B 5
  • Slide 15
  • 15 m 0 m 10 m 5 m What is the value of each location? C A E D B Location A B C D E Elevation _ _ _ _ _
  • Slide 16
  • Reading Topographic Maps
  • Slide 17
  • How to use a map scale 15 m 0 m 10 m 5 m 1 KM
  • Slide 18
  • Map Scales Ex: 1:24,000 One unit on the map equals 24,000 units on Earths surface What about 1:100,000?
  • Slide 19
  • Reading Topographic Maps Contour lines are not all labeled
  • Slide 20
  • Index contour - Intermediate contour What is the contour interval on this map?
  • Slide 21
  • Concentric circular contour lines represent a hill or mountain
  • Slide 22
  • Depression --
  • Slide 23
  • Benchmark __
  • Slide 24
  • River or Streams What direction do rivers flow?*-* What do you notice about the shape of the contour lines on this map?
  • Slide 25
  • V pattern contours show a river or stream valley. V pattern contours show a river or stream valley. V - V - Rivers flow downhill
  • Slide 26
  • Which direction is the river flowing? E W N S http://www.polleverywhere.c om/multiple_choice_polls/MT IzNDQ1MTM0MQ/web

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