National 5GeographySQARevision NotesGeographical SkillsMapping skillsCross-Sections & Transects

Cross-Sections & Transects (SQA National 5 Geography): Revision Note

Exam code: X833 75

Bridgette Barrett

Last updated

Drawing and interpreting cross-sections

  • A cross-section is a slice through the landscape

  • They are represented on a map by a line which is often labelled A at one end and B at the other

  • They use the contour lines to determine the height of the land

Topographical map showing Motta S. Anastasia and surrounding areas with elevation lines, roads, waterways, and labels for locations like Poggio S. Lucia, C. Bonanno, and Cannicciolo.
Cross-section on a map

  • A piece of paper is then laid along the line and points A and B are marked on

  • The contour lines are then marked on each time they cross the paper

Topographic map section showing contour lines and elevation numbers, depicting the areas of Poggio S. Lucia, Cannicciola, and Porta dei Sieli near river and road intersections.
Marking on the contour lines

  • These figures can then be used to create the cross-section 

Line graph showing height in metres on y-axis (0 to 300) and distance on x-axis (940520 to 000520). The line fluctuates, peaking near the middle.
Cross section produced from marking contour lines

Worked Example

Study Diagrams Q3A, Q3B and the Ordnance Survey map extract (Item A) of the Portree area.

Match the letters A, B and C with the correct features.

Choose from the features below:

River Footpath A87 Forestry

Two diagrams; top shows the map location of cross-section from point X to Y, bottom shows elevation profile with peaks and valleys from GR 410470 to 470470.

Answer

Topographic map of northern Skye, showing contours, roads, rivers, and forested areas. Notable details include A87 road, The Storr, and Loch Leathan.

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Bridgette Barrett

Author: Bridgette Barrett

Expertise: Geography, History, Religious Studies & Environmental Studies Subject Lead

After graduating with a degree in Geography, Bridgette completed a PGCE over 30 years ago. She later gained an MA Learning, Technology and Education from the University of Nottingham focussing on online learning. At a time when the study of geography has never been more important, Bridgette is passionate about creating content which supports students in achieving their potential in geography and builds their confidence.