Lines that are very close indicate a steep change in altitude. Far apart means a slow or gradual change.
if someone were to make a topographic map they would mostlikly have a bunch a contour lines realy close together because the closer they are together the more steep it is.so i guess they would make close contour lines then make a drop off
that isn't true. the wider apart the contour lines are than the softer the slope (not steep) if they are closer together than the slope will be alot steeper.
If the contour lines on a topographic map have wide spaces in between and are further apart then the terrain is relatively flat. If the contour lines are close together then the terrain forms a steep slope.
The US Geological Survey's topographic maps have "contour lines" showing elevation. The farther apart the contour lines are, the more gentle the terrain is; the closer together they are, the steeper the terrain is. The darker contour lines typically denote 100-foot elevation changes and are marked as such, while the lighter lines typically indicate 10 or 20-foot changes in between. The interval can easily be determined by counting the number of lighter contour lines between the darker lines. The steepness of the slope can be determined by using the map's scale (which is indicated at the bottom of the map) to measure the distance between two points and using the contour lines to see the change in elevation.
Contour maps show elevation. The contour interval tells what the difference is between each contour line is, so lines closer together means a steeper slope, and further apart means a gentler slope.
Contour lines refer to the elevation of a line as it runs through a mapped area. For instance a 1,000ft. contour line might meander through an open field or wrap completely around a hill. On any map the "Contour Interval" is indicated somewhere as 25FT or 50ft. or 100ft. meaning that it will be this distance vertically between lines of the same altitude. In flat lands it may be a long distance between contour lines but on a steep slope they might be crowded close together.
the further apart the gentler the slope
A contour interval of 25 feet means that, between one contour and the next on a map, the ground rises (or falls) 25 feet. Contours closer together means that the slope is steeper, and contours further apart suggests a shallower incline.
If the topographic lines are closer together it means that it has a steeper slope grade, if they are farther apart, it means that they have a more relaxed slope grade. There is usually a scale on the map that can tell you in exact measurements of the slope.
Contour lines that are far apart indicate a gentle slope. Because contour lines connect points with the same elevation, wide spacing indicates that the elevation is not changing drastically.
The effect of waves on the shore zone.
a gentle slope