A topographic map is a two-dimensional representation of a three-dimensional land-relief set of features. It represents the rise and fall of the landscape with the use of contour lines that indicate equal areas of elevation. Contour lines are curvy lines that look like circles that are bent out of shape, and are usually accompanied with numbers to indicate the elevation of that particular spot on the land.
For the contour interval, take one of the bold contour lines that has an elevation marking, like the one in the yellow area at elevation 6168. Find the next bold contour line outside that, which would be 5750. Subtract, and you get a difference of 408. There are 4 smaller contour lines between those two bold ones, divide by 4 and you get 102. So the contour interval for that particular set of contour lines would be 102 feet.
Maklaks Spring is probably flowing in a southwesterly direction. You have two elevations to the north and northeast that are in excess of 6000 feet, while there are two to the south and southwest that are under that, in the 5773 foot range. That would indicate a flow downhill to the south or southwest.
The area circled in red would be the highest elevation, it is next to a contour line with an elevation marking of 6442 feet. This is the steepest elevation of the four areas circled.
For the yellow box area, you would probably be looking at a hill. The highest elevation point is 6168, while the bold contour line running through the easternmost point is marked 5750. This would represent a rise of 418 feet, which is over a football field difference in elevation.
No comments:
Post a Comment