Map Skills- Definitions Flashcards
(39 cards)
Conical hill
A hill with a uniform slope represented by concentric contours
Contour interval
The difference between two contour lines lying alongside each other
Contour lines
Lines that join places of equal heights
Gradient
The slope of a landscape
Slope
An incline; can be gentle or steep
Spur
Higher lying area
Relief
Form or shape
Model
Representation of reality
Concentric
Circles and spheres of different sizes with the same middle point
Terrain
Stretch of land
Undulating
Shaped like a gentle wave
Concave
Curving or caving inwards
Infrastructure
Structures such as roads, railway lines, buildings and power supplies
Digital mapping
Recording images of the land that are corrected for scale automatically
Orthophotos
Combination of a map and photograph, made from vertical aerial photographs by adding map information to the orthophotos
Vertical aerial photographs
Photographs captured from the air by a large camera that is fixed to the floor of an aeroplane which is flying directly above the photographed landscape
Inaccessible
Connot be reached
Superimposed
One thing is placed over another so that both are visible
Co-ordinates
Intersections between lines of latitude and lines of longitude
Graticule
Horizontal and vertical lines which resemble a fishing net and represent meridians and parallels
Height clue
An indicator or mark of height
Line scale
Scale used to read off ground distance quickly
Map symbols
Point, line and area symbols evident on topographic maps
Ratio scale
A map scale which has proportion values