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What are Latitudes and Longitudes?

What are Latitudes and Longitudes?. Line of Latitudes. Line of Longitudes. How precise can we be with latitude and longitude?.

anika-bennett
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What are Latitudes and Longitudes?

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  1. What are Latitudes and Longitudes?

  2. Line of Latitudes

  3. Line of Longitudes

  4. How precise can we be with latitude and longitude? Degrees of latitude and longitude can be further subdivided into minutes and seconds: there are 60 minutes (') per degree, and 60 seconds (") per minute. For example, a coordinate might be written 22° 30' 00" for point E. A If the lat or long given in decimal format you need to convert. For example 65º25.30’. It means 65º 25’ [0.30’ × 60’’]; that is 65º 25’ 18’’. A degree of latitude is approximately 69 miles, and a minute of latitude is approximately 1.15 miles. A second of latitude is approximately 0.02 miles, or just over 100 feet. Example: The distance from point A to B is approximately 69 miles. And the distance of E to C is approximately 17.25 miles (15 × 1.15 = 17.25). C B

  5. Topographic Maps

  6. Each contour line represents locations where a quantity has one, specific value. The contour interval is the difference or “jump” in value from one contour line to its neighboring contour lines.

  7. Isobath Rules: • Isobath never touch one another (“cross”) or divide (“split”).

  8. hill Contours in the shape of a ring represent either a hill or a depression. Depressions are marked by hatchures depression

  9. V-Shape isobath showing a canyon under water If the contour lines bend into a “V”-shape, then there is a ridge (high place) or trough (low place) in the data

  10. Constructing the profile (or cross section)

  11. Profile

  12. To construct a profile, follow the following steps: Step 1: Place the edge of a sheet of paper (paper ruler) along the selected line AB or XY Step 2: Transfer the isobath markings to paper ruler Step 3: Place the paper sheet (paper ruler) with its markings above or below the blank chart (is provided) Step 4: Depth marked on the paper ruler are carried straight upward to corresponding values on the parallel lines Step 5: Connect the dots with a smooth curve line  this is your profile or cross section

  13. a b c Township, Ranges, Sections

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