Ian Gregory (University of Portsmouth, UK)


Contact details:

Department of Geography, Portsmouth University,
Buckingham Building, Lion Terrace,

Tel: +44 (23) 92 842500

E-mail: Ian.Gregory@port.ac.uk


My background is in GIS and human geography. I graduated in geography in 1992 from Lancaster University. I then took an MSc in GIS at Edinburgh University. Following on from this I started working for Humphrey Southall in 1994 building a GIS that would link a wide variety of pre-First World War statistical on economic distress with the boundaries they were originally published using. This resulted in the design of the Great Britain Historical GIS, a system capable of accurately mapping almost all of the major datasets published by the government since the early nineteenth century, particularly census and vital registration data. Essentially this research involved devising ways of incorporating changing boundaries into a GIS database. More recently I have been exploring methods of removing the impact of changing boundaries to allow long-term comparison of data using standardised local areas. This will allow long-term demographic change to be explored at a more detailed spatial scale than has previously been possible. It involves using complex methodologies that make maximum use of the available data to interpolate a variable or variables collected and published at one date onto the administrative units used at another date. This methodology will form the backbone of the atlas that is to be written by Southall et al to mark the 200th anniversary of the British census, first collected in 1801.

Selected Publications:

Gregory I & Bennett C (1997) "Local History & Geographical Information Systems" Local History Magazine, 62, pp. 19-22

Gregory I & Southall H (1998) "Putting the Past in its Place: The Great Britain Historical GIS" in Carver S (ed.) Innovations in GIS 5 London: Taylor & Francis, pp. 210-221

Gregory I, Southall H and Dorling D. (in press, 2000) "A century of poverty in England & Wales, 1898-1998: A Geographical Analysis", in Bradshaw J. and Sainsbury R. (eds.) Getting the Measure of Poverty. The early legacy of Seebohm Rowntree Bath: Policy Press

Gregory I (in press, 2000) "Longitudinal analysis of age and gender specific migration patterns in England and Wales: A GIS-based approach" Social Science History

Ian Gregory: Current Research

I am the principal researcher on the Great Britain Historical GIS Project, having been involved in the project from the outset and having originally designed the system.



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