contour line

• Linha em um mapa ou diagrama que conecta pontos de igual altitude, profundidade ou valor, usada para representar o relevo do terreno ou a variação de uma grandeza.

A line on a map or chart that connects points of equal elevation, depth, or value, used to represent the shape of the terrain or a variable in a visual format.

1. Topographic lineB2formal

   A line on a map connecting points of equal elevation above or below a reference level, typically sea level.

   Curva de nível

   • The map uses contour lines to show the steepness of the terrain.
   • Each contour line represents a 100-meter change in elevation.
   • Hikers use contour lines to plan their routes through the mountains.