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Geographical Data Products Carol Blackwood UKBORDERS 3 rd July 2012
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Key geographical products Key geographical data products that support census data and research: Digital boundary data – Digital version of geographical boundary information – Used for data visualisation and spatial analysis Postcode directories – Geographical lookup table that provides information about postcodes such as the location of that postcode, ward, LSOA etc etc
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Benefits of mapping census data Can be applied to data to add value, reveal patterns, support decisions Range of types of spatial analysis from simple interpretation of a map to types that require complex software E.g. queries, measurement, transformations and more…
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Serving census related geographical data products to UK academia
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UKBORDERS – Service aims to provide UK education and research with cost-effective access to digitised boundary data, ancillary look-up tables for thematic mapping and GIS operations; to provide high quality support and assistance to that community in the exploitation of these resources; and to support the development and then realisation of the ESRC national dataset strategy.
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UKBORDERS – key features Provide easy access to census related digitised boundaries and key geographic reference data Web based service available 24/7, delivering to the UK academic community. Extensive library of boundary data and associated look-up tables – Including: 1971, 1981, 1991 and 2001 censuses – Non-census boundaries (e.g. environmental boundaries) – Selected historical boundaries going back to 1851 (e.g. 1881 Census Parishes) Access to current and historical postcode directories (1980 to present)
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Heading 1 – Bullet point Easy Download – Quick & easy download – Most popular National datasets – Most popular formats – Incl. 2001 LUTs and generalised datasets
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Heading 1 – Bullet point Boundary Data Selector – Access to all available boundaries – Refine area of interest – Choice of data formats and compression options – Map view to preview area
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Heading 1 – Bullet point Postcode Directory Download – Easy access to Postcode Directories – ONSPD – NSPD – Historical
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Heading 1 – Bullet point Postcode Data Selector – Sub-setting tool to select postcode areas/district/sectors – Select postcode attributes of interest – Create custom LUTs between postcodes and boundary datasets (e.g. Datazones etc)
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Heading 1 – Bullet point View Metadata – Discover and view metadata for boundary datasets – Describes data – Allows users to gauge fitness for purpose
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In addition Help, support and training – Comprehensive help pages – Expert support – Training through Census workshops eLearning Modules – To explain the relevance and value of the census geography products – Interactive learning objects explain key spatial data concepts and UK geographies Thematic Mapper – A Web based application that enables the creation of Choropleth thematic Maps from uploaded CSV files containing area based statistics. – Uses OS Open Data boundaries DIaD – Data Integration and Dissemination demonstrator – demonstrating use of geospatial web services to perform GeoLinking and Cartogram creation
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2011 Geography Products
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2011 Geography Products – England & Wales ONS 2011 Geography Prospectus released 31 st May 2012 – What geographical outputs released & when – http://bit.ly/NjVyaE http://bit.ly/NjVyaE First release of geography products in October 2012, one month prior to 2 nd release of Census data – 2011 Output Area, Lower and Middle Layer Super Output Areas – 2011 Output Area, Lower and Middle Layer Super Output Areas population weighted centroids – 2011 Output Area to 2011 lookup files (to higher geographies and 2001 to 2011 LUTs) Second release of geography products in January 2013 – 2011 Workplace zones (WZ) – 2011 Workplace zones population weighted centroids – Further lookup files for 2011 OAs to urban geographies
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2011 Geography Products - Scotland National Records of Scotland (NRS) Outputs prospectus released 19th June 2012 – http://bit.ly/QAabFQ http://bit.ly/QAabFQ Geography products to be released in early Spring 2013 (with 2 nd release of census data) Digitised boundaries for output areas – Postcode to output area index – Output area to higher area index
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2011 Geography Products - NI Not so clear… 1 st release of statistics July 2012, 2 nd Nov 2012 – Subsequent releases in 2013 Geographical boundaries in one of those releases??
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Research Potential Enables comparison with previous Census – Although geographies change! Less than 5% OAs/SOAs expected to change – Building up pictures of change, can be related to economic etc change Open data – More flexible for research – e.g. Thematic mapper potential with census data Updating of visualisations and online services
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UKB beyond Will become part of the CSS-UKDS – New look – New name? – New facilities? Short-term no apparent change for the user – We’ll keep doing what we have been doing, providing key services and support to academic users of Census geographies and related data
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