Question

Fly to Mauna Loa on the Big Island of Hawaii in the Hawaiian Islands. Turn on the Mauna Loa Contour Map overlay. The brown lines are contours(lines of equal elevation). Use the Ruler tool to determine the horizontal distance (in feet) between the Problem 1 placemarks and then subtract the elevation

(also in feet) for each placemark from the contour map to determine the relief (vertical distance).Find the slope angle of Mauna Loa using the following formula( this value is representative for many shield volcanoes ): slope angle = tan-1(relief -: horizontal distance).
a. 5-10\deg
b. 15-20\deg
c. 25-35\deg
d. 35-45\deg

Answer 1

To find the slope angle of Mauna Loa, measure the horizontal distance between the placemarks and subtract the elevation for each placemark from the contour map to determine the relief. Then, use the formula slope angle = tan-1(relief / horizontal distance) to calculate the slope angle.

Step-by-step explanation:

To find the slope angle of Mauna Loa, we need to determine the horizontal distance and the relief between the Problem 1 placemarks on the Mauna Loa Contour Map overlay.

Using the Ruler tool, measure the horizontal distance (in feet) between the placemarks.

Next, subtract the elevation (also in feet) for each placemark from the contour map to determine the relief (vertical distance).

Finally, calculate the slope angle using the formula: slope angle = tan-1(relief / horizontal distance).

Choose the option that corresponds to the calculated slope angle.