Case study: crop mapping
• National Crop map
• Used by local and national government bodies, water authorities, and agri-businesses for spatial planning and policy purposes:
– estimation of nitrate
– phosphate load
– disease and crop protection management
– land administration, etc.
• Updated twice per year
• Based on satellite pictures and ground selected validation
• Requires extensive field work for validation
Issues
Field work to time consuming
Post-processing data to time consuming
Risk of transcription errors
Risk of location errors
Basic features
Arc pad based
Satellite image + topography as backdrop maps
Simple user interface