biology cdc data dwd dwd-ftp earth-observation earth-observations earthobservation open-data opendata phenological-metrics phenology phenology-data phenology-modelling phenology-models phenometrics plant research research-data research-tool

atmosphere climate-data meteorological-data ogd opendata phenology-data pollen-measurements weather-data weather-forecast weather-radar

gee phenology-data phenology-indicator spring-onset