EXAM LINK (HL) AND SAMPLE ANSWER Sligo OS Map (20 marks)
Draw a sketch map of the aerial photograph of Sligo, half the length and half the breadth. On it, correctly show and label each of the following:
• The river • A large historical ruin in the middle ground • Emergency services depot in the left background • A carpark in the left foreground.
2018, Q10A Sligo Sketch Map
Marking Scheme: Outline = 4 marks (graded) Features = 4 × 4 marks
Shown = 3 marks (graded 3/1/0) Named = 1 mark
Key to Sligo Sketch Map
Emergency services depot Historical ruin River
Fig. 13.5 Aerial photograph of Sligo. Fig. 13.6 Sketch map of Sligo. EXAM TIP
This question will come up in the Elective section of the course.
Questions where one is asked to interpret various aspects of an aerial photograph appear in Part One of the exam paper – the Short Questions section.
Interpreting Aerial Photographs
Colour and shading It is possible to identify a number of features by interpreting colour and shading.
1. Direction: As most aerial photographs are taken at noon, shadows typically point to the north.
2. Weather conditions: a. Water may appear white and sunlit if the day is calm.
b. On darker days, water may appear black, as the light isn’t being reflected.
3. Rivers are usually dark blue or grey in colour. 4. Roads are usually grey in colour. 5. Railway lines are usually black in colour. 6. Woodland is usually dark green in colour.
7. Agriculture: a. Permanent grassland is green, which indicates pastoral farming.
b. Fields that appear either yellow or brown in colour most likely indicate arable farming.
c. Fields that are brown in colour have probably been recently ploughed. 200 Car park
