Geo-Wiki: Earth Observation and Citizen Science
Published June 7, 2024 | Version v1
Dataset Open

Reference data set used to validate the hybrid cropland map at 500m (Fritz, S. 2024)

Authors/Creators

  • 1. ROR icon International Institute for Applied Systems Analysis
  • 2. Sarmap (Switzerland)
  • 3. ROR icon Joint Research Center
  • 4. Joint Research Centre, European Commission

Description

This is a reference data set for validation of the hybrid cropland map at 500m resolution for the year 2019 (Fritz, 2024, map available here)

Sampling design: random whithin areas of improvement, where the WorldCereal map is performing better (less errors) than the GLAD cropland map 2019. 

Number of sample sites: 500

Method of data collection: visual interpreation of various sources of information, including very high resolution images and photos. 


Tool for data collection: Geo-Wiki

Technical info (English)

Fields:

  • userid  - unique user identifier
  • submissionid - unique submission identifier (multiple submissions per location were possible)
  • sampleid - unique location identifier
  • long_description - cropland classes:
    •   > 0%-10%   
    •   > 10%-20%   
    •   > 20%-30%   
    •   > 30%-40%   
    •   > 40%-50%   
    •   > 50%-60%   
    •   > 60%-70%   
    •   > 70%-80%   
    •   > 80%-90%  
    •   > 90%-100% 
    •   no cropland    
    •   not sure
  • geowiki_class - cropland classes translated in numeric categories:
    •   1 - > 0%-10%  
    •   2 - > 10%-20%  
    •   3 - > 20%-30%  
    •   4 - > 30%-40%  
    •   5 - > 40%-50%  
    •   6 - > 50%-60%  
    •   7 - > 60%-70%  
    •   8 - > 70%-80%  
    •   9 - > 80%-90%  
    •   10 - > 90%-100%
    •   0 - no cropland    
    •   101 - not sure
  • centroid_x, centroid_y - centroid coordinates for each 500m x 500m pixel

Files

hybrid_cropland_500m_2019_validation_dataset.csv

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