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Using GIS

Mapping change over time

GCSE geography courses emphasise the importance of investigating how and why places change over time, how economic conditions alter, and the use of geographical information systems (GIS) in developing skills in data gathering, analysis and presentation. This column looks at two websites that can provide clear visual evidence of how places change over time

Salford Quays: much changed since 1961

Log on to the National Library of Scotland Ordnance Survey (OS) maps catalogue (http://maps.nls.uk/os). Scroll down to the sub-heading ‘Map Series — England, Wales and Great Britain’ and click on ‘Ordnance Survey, 1:25,000 maps of Great Britain 1937– 1961’.

It is fascinating to see how settlements have changed since the nineteenth century, but your geographical studies are likely to focus on more recent change, so it is important to use the most recent maps available. Select the option to ‘View maps as a seamless layer on a Google maps base’.

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Desertification of the Sahel

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The M5 at Avonmouth

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