contours line cross. true or false
false
contour lines are always close true or false
either on the map or not
true
water flows from dash elevation to dash
higher to lower
what are Major contours and what is the aka
heavier contour lines spaced every 5th interval, index contours
what are minor contours
contour lines between major contours
contour lines that are close together dpicts dash
steep slope
a symmetrically crowned road most resembles a what feature
ridge
contour lines that are farther together dpicts dash
gentle slope
consitent spacing between adjacent contours depicts dash
uniform/ even slope
formula ratio and percentage
ratio= h:v, percentage= chage v/ change h
What is TIn
triangular irregular network
How TIn is used to get contour lines
the elevation at point along a triangle leg can be interpolated between elvation of end points vertices
what are breaklines
linear surfaces features depicting an ABPRUPT(sudden) change
TIN can cross breaklines true or false
false
example of breaklines
retaining wall, curb, buildings, cliffsm streambanks
