Digital elevation model:
Name: AHN database
Link: http://ahn.maps.arcgis.com/home/index.html

Soil data:
Name: BOFEK2012 database
Link: http://www.wur.nl/nl/show/Bodemfysische-Eenhedenkaart-BOFEK2012.htm

Land use data:
Name: Basisregistratie Gewaspercelen (BRP)
Link: https://data.overheid.nl/dataset/52172-basisregistratie-gewaspercelen--brp-

Groundwater data:
Name: DINOloket database
Link: https://www.dinoloket.nl/ondergrondgegevens

Meteorological data:
Name: KNMI precipitation and weather stations datasets (relavant stations at Volkel, Mill and St. Anthonis)
Link weather stations (Volkel): https://www.knmi.nl/nederland-nu/klimatologie/uurgegevens
Link precipitation stations (Mill and St. Anthonis): https://www.knmi.nl/nederland-nu/klimatologie/monv/reeksen

Specification Decagon 5TM soil moisture sensors:
Name: Website Decagon Devices
Link: http://manuals.decagon.com/Retired%20and%20Discontinued/Manuals/13441_5TM_Web.pdf