East Anglia Fenlands
mashup since Domesday
      Andrew Zolnai
      Cambridge UK
      blog.zolnai.ca
Basic Information
• HC Darby
  – 1969, The Draining of the Fens (35 maps figures)
  – 1974, The Medieval Fenland (25 maps ...
Lay Subsidy Maps
Constants
• Scanned figures
  – Parish boundaries
• O|S OpenData
  – Cities
  – Coastlines
  – County boundaries
  – Paris...
Derivations
Lay Subsidy      year             1327         1332           1641
                 assess.            "20th" ...
Current
• OpenData
• BGS WMS
  – Onshore
  – Offshore
Tracking economic wealth
Overlaying surficial geology
Vector maps online
Questions?
• Thank you
  – archaeogeek.com and giscloud.com
  – Cambridge University, Cont. Ed. / Archaeology
  – Ordnance...
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East anglia fenlands

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East anglia fenlands

  1. 1. East Anglia Fenlands mashup since Domesday Andrew Zolnai Cambridge UK blog.zolnai.ca
  2. 2. Basic Information • HC Darby – 1969, The Draining of the Fens (35 maps figures) – 1974, The Medieval Fenland (25 maps figures) • PJ Smith – 1994, Grahame Clark, the Fenland Research Committee and prehistory at Cambridge • J Bowring – In prep. (population maps of the Fenland from 1563 and 1674)
  3. 3. Lay Subsidy Maps
  4. 4. Constants • Scanned figures – Parish boundaries • O|S OpenData – Cities – Coastlines – County boundaries – Parish boundaries
  5. 5. Derivations Lay Subsidy year 1327 1332 1641 assess. "20th" "15th" criteria 1/20 1/15 /1000 acre /500 acre Darby 15 20 30 15 classif. 30 40 60 30 values 45 60 90 45 original 15 20 derived 23 30 used 38 50 Lay Domesday Classification Subsidy SurfGeol R G B Bowring 0 0 155 155 155 =0 1 1 0 0 255 0 - 10 3 2 155 0 255 10 - 25 4 3 255 0 255 25 - 50 6 4 255 0 0 > 50
  6. 6. Current • OpenData • BGS WMS – Onshore – Offshore
  7. 7. Tracking economic wealth
  8. 8. Overlaying surficial geology
  9. 9. Vector maps online
  10. 10. Questions? • Thank you – archaeogeek.com and giscloud.com – Cambridge University, Cont. Ed. / Archaeology – Ordnance Survey, OpenData / OpenSpace – British Geological Survey, Web Mapping Service • More info – Web map: http://bit.ly/cQw2nU – Project blog: http://bit.ly/9wgr6R – Public data: http://bit.ly/8YTk4K

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