LUCAS Land Cover in the Netherlands Methodology and first results 10 June 2013, Gerard Hazeu, Sander Mucher & Rini Schuiling
Overview Introduction Data sources First results LUCAS categories present in NL Main categories based on topographical map Spatial allocation LUCAS categories Next steps Conclusions and possible future improvements
Introduction Attribution of LUCAS LC categories on basis of national datasets Principles: Use of “sustainable” data sets Methodology must be robust Spatial detail – NUTS2/3 Results reproducible Most recent data between 2009-2012
Data sources Data sources Topographical map version 2012 (Top10NL) National Land Use/Cover database 2012 (LGN7) Crop information from LPIS (BRP2012) National Land Use database (BBG2008) Natural Area database (BKN2012) Spatial detail: Vector: 1: 10 000 Grid: 25*25m
LUCAS LC categories present in NL
Attribution of Top10NL to LUCAS LC categories Water and road elements are used together with terrain to cover entire NL Refinement with additional information (imperviousness, width of road, buildings, railways) Example for terrain elements Remaining/rest LC category
Statistics of LUCAS categories province of Utrecht 12.7% rest category from Top10 NL
Spatial allocation of LUCAS categories Province of Utrecht Top10NL aggregation Reference year 2012
Next steps Cropland main category subdivided into subcategories on basis of BRP/LPIS Refinement of the F20 (sand) category with LGN7 Refinement of C11/12/13 category with AHN? Allocation of LUCAS category A00 and 000 with: additional data (LGN/BRP/BBG) visual and possible LUCAS distribution figures Additional wetland information from LGN7
Conclusions Attribution of LUCAS categories based on “sustainable” and actual datasets (core datasets, history, INSPIRE) Rest category of Top10NL must be attributed to LUCAS categories on basis of additional datasets. Most likely large parts will be attributed to the A20 category as it are farmyards, kitchen gardens and yards LUCAS categories C20/30, D10, D20 (no crown density information), F10, F30, F40 and G50 not present in the Netherlands
Future improvements Further refinement to LUCAS level 3 down scalable to presented categories Use of upcoming datasets like detailed AHN2 for tree height and possible crown density data
Thanks for your attention gerard.hazeu@wur.nl