OS Maps Flashcards
Height in maps:
Contouring/ shading
Contouring lines
Spot height
Triangulation pillar
LEN
Letter
Easting
Northing
Sketch maps steps:
- Draw a frame (pencil + ruler) - 16 x 12cm - same shape of OS Maps
- Give map a title -“Sketch map of ___ OS”
- Mark in the direction facing North on the map
- Divide sketch map (lightly) into sections
- Draw the coastline if there is one
- Draw the feature you are asked for using symbols
- Draw a key/ legend to explain symbols used
Types of settlements:
Clustered/ nucleated
Dispersed/ scattered
Urban
Rural
Pattern of settlements
There’s 4 types/ patterns of settlements shown on os maps
Urban settlements :
Shown by grey shadowing
Used to illustrate towns and cities
Rural settlements:
3 types
Linear
In a line
Generally along a road
Where can nucleated/ clustered areas be found?
At a crossroads or junction of 2 or more roads
Dispersed, scattered
No pattern really, buildings on their own
Land use in aerial photos
Recreational
Educational
Residential
Transportation (port)
Commercial
Ecclesiastical/ religious
Industry
Market
Tourism
Legal
Health
Retail
House types
Terraced
Semi detached
Detached
Apartment
Straight line method
Measure from point A and point B.
Divide by 2 and add the km to your answer
Curved line method
Get a piece of paper and measure from all the different points until you get to point B
Divide by 2 and add the km to your answer
Even slope
Contour lines are evenly spaced out
Concave slope
Contour lines that get closer as they get nearer to the peak
Convex slope
Contour lines that are closer at the base but get further spaced out the further you go to the peak
Compound/ stepped slope
Mix of both closer and not close contour lines with no pattern
Aerial photograph
A photo taken from a birds eye view and can be used to show features on a map
Vertical photograph
Taken directly above
Oblique photograph
Taken at an angle
Features are nearer to the bottom and shot appears larger
Parts in an aerial photograph: vertical
northwest north northeast
west centre east
south west south southeast
Parts in an aerial photograph: oblique
left background centre background right bg
left mg centre mg right mg
left foreground centre foreground right fg
Few shadows in an aerial photographs mean
It’s summer
Longer shadows in aerial photographs mean
It’s winter
Types of transport on aerial photographs
Yellow boxes
Roundabouts
Traffic lights
Filter lanes
One-way street
Ring roads
Car parks
Double lines
Pedestrianised streets
Yellow boxes
Allows traffic to move into main street and keep areas such as in front of the stations free from traffic
Roundabouts
Reduces traffic where main road networks meet
Filter lanes
Allow traffic to turn right and therefore avoid cars backing up behind
One-way streets
Organise and keep traffic flowing in one direction if the street is narrow
Ring roads
Mean that cars don’t have to go into town centres
Journey times are shorter and towns are not as congested
