Groundwater monitoring tube¶

Alias: groundwater_monitoring_tube | API: feature_types/59

Tube installed for measuring groundwater levels and/or quality parameters, typically for a specific aquifer. For this purpose, the tube also contains a sensor.

Properties¶

Alias	Name	Type	Unit	Description
`id`	ID	serial_pk		Primary key
`dc_id`	DC ID	int4		ID of dataconnection that manages the basic properties (label, geometry) of a particular feature
`id_src`	ID SRC	text		Feature type identifier in source dataset
`label`	Label	text		Informative name or code for this feature
`screen_no`	Screen no	int2		Well screen number (typically 1 for the one closest to surface level, counting downwards)
`timeseries_last_updated`	Timeseries last updated	date
`aquifer_no`	Aquifer no	int2		Number of aquifer to which this feature is connected
`elevation_top`	Elevation top	float8	m+MSL	Vertical distance between mean sea level and the top of an object. Elevation is negative in case below MSL.
`screen_top`	Screen top	float4	m+MSL	Top of a well or welltube screen, relative to mean sea level
`screen_bottom`	Screen bottom	float4	m+MSL	Bottom of a well or well tube screen
`safety_region`	Safety region	text		Safety region name
`water_authority`	Water authority	text		Water authority name
`nature_reserve`	Nature reserve	text		Nature reserve name
`province`	Province	text		Province name
`groundwater_body`	Groundwater body	text		Groundwater body name
`monitoring_station_id`	Monitoring station ID	feature_type_fk
`nearest_weather_station_prec`	Nearest weather station prec	feature_type_fk
`nearest_weather_station_evap`	Nearest weather station evap	feature_type_fk
`surface_elevation`	Surface elevation	float8	m+MSL	Ground surface level relative to MSL
`owner`	Owner	text
`evaporation_factor`	Evaporation factor	float8		Actual evaporation as a fraction of the potential evaporation
`unit_response`	Unit response	float4	m	Long-term response of the groundwater level to a constant recharge input of one unit
`r2`	R2	float4	%	R-squared (explained variance)
`details`	Details	jsonb		Field for country- or dataset specific info that is not used for visualization or calculation purposes
`centroid`	Centroid	geometry
`label_alt`	Label alt	text		Alternative informative name or code for this feature