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What is GIS?

GIS (Geographic Information Systems) is one of the fastest growing software applications in the world. GIS is not one program and different types of GIS serve different purposes: a GIS that tracks and schedules freight on a route network is different from an environmental GIS. More than 80% of data collected can be linked to a location on the earth’s surface, so it is not surprising that GIS and mobile services are taking off. GIS really puts geography on the map!

There are three elements to any GIS: a digital map, data located on the map, and a software application (GIS) that links the two together. A simple school GIS provides display and search facilities for mapped data. More sophisticated commercial GIS functions include spatial querying and analysis, buffering and spatial modelling. Trainees should be given the opportunity to explore ‘school’ and commercial GIS to decide which would be most suitable to incorporate into different lessons and to understand a progression in the use of GIS.


How does GIS fit into the geography curriculum?

GIS is ideal to introduce into the geography curriculum as it provides techniques and opportunities to further pupils’ geographical learning by:

  •  Overcoming mechanical aspects of mapping to give pupils the opportunity to produce a professional result;
  •  Improving pupils’ visualisation of the landscape through aerial overlays on maps, 3D imagery and ‘fly-throughs’ reintroducing a wow! factor into mapping skills;
  •  Enabling access to up to date mapping and locational data on the internet through, for example, search engines, local and national government sites and NGOs;
  •  Enabling pupils to experiment with cartography by choosing colours, graphical techniques and methods of selecting and presenting data on maps;
  •  Allowing more time to achieve higher level thinking by replacing tedious mapping operations with interactive manipulation of large sets of digital maps and data to select, display and interpret spatial patterns and relationships.

The majority of the geographical skills in the programmes of study at KS3 may be enhanced by the use of digital maps and GIS. Traditional geographical skills take on a new dimension when adapted to a digital context.

Table 1: Geographical Skills and GIS

Geographical skills may be extended into the use of digital mapping and GIS. The list illustrates how skills gained using more traditional methods may be transferred to digital mapping and GIS.

Use an extended geographical vocabulary

  •  New vocabulary includes ICT keywords (such as raster and vector) and specific GIS terms

Select and use appropriate fieldwork techniques and instruments

  •  Tablets or smartphones may be used to enter data directly in the field for transfer to GIS;
  •  Handheld GPS systems are now accurate enough to collect location information for transfer to GIS;
  •  Weather monitors and environmental data loggers may collect information for transfer to GIS.

Use maps and plans at a range of scales, including Ordnance Survey 1:25,000 and 1:50,000 maps

  •  Ordnance Survey digital map data provides the basis for vector and raster mapping.

Select and use secondary sources of evidence: aerial photographs, satellite images, ICT sources

  •  Aerial photographs and satellite images may be used in digital mapping and GIS;
  •  Ground level digital photographs may be linked to ‘hotspots’ on a map.

Draw maps and plans at a variety of scales, using symbols, keys and scales... 

GIS explores raster and vector maps:

  •  Draw and edit maps and plans in a GIS editor;
  •  Import a variety of digital maps and plans in different formats;
  •  Add information to maps and plans from a set of data;
  •  Select separate vector map layers;
  •  Zoom in and out at different scales and pan around an enlarged map;
  •  Measure distances (in a straight line or along a feature), areas or perimeters accurately; Understand geo-referencing
  •  Select and use appropriate graphical techniques to present evidence on maps and diagrams including the use of ICT.

Present data at points, lines and areas (closed polygons) on maps using the functions of a GI.

  •  Areas: Choropleth and thematic maps.
  •  Lines: Flow lines of traffic or journeys by people.
  •  Points: Diagrams (bar charts, pie charts, divided pie charts, proportional circles and pie charts) at places on the maps
  •  Add pictures and notes at locations on the maps.

Table 2: How the enquiry approach to learning in geography at KS3 and the KS3 strategy is aided by GIS

Geography programme of study KS3 

KS3 strategy 

How GIS helps 

Ask geographical questions to identify issues

Ask questions, predict and hypothesise

Enables spatial data to be collected, organised and investigated to show patterns and relationships

Suggest appropriate sequences of investigations

Find, organise and use information that is fit for the purpose

Provides a framework within which to collect data in tables linked to points, lines and areas on maps

Collect, record and present evidence

Analyse and evaluate evidence and draw conclusions

Seek patterns and relationships

Interpret results and evaluate evidence

Allows information to be selected and presented on maps quickly and easily to identify spatial patterns and relationships

Communicate in ways appropriate to the task and audience

Present and communicate findings in a variety of ways

Resulting maps may be used in reports and presentations to different audiences

Based on: Geography National Curriculum Programme of Study for England and Wales. DfES 2000

Based on: KS3 Strategy - Framework for teaching ICT capability - Using ICT across the curriculum. DfES 2002




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