Groundwater monitoring tube¶
Alias: groundwater_monitoring_tube
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 | ID | - | Primary key |
dc_id |
DC ID | Integer | - | ID of dataconnection that manages the basic properties (label, geometry) of a particular feature |
id_src |
ID SRC | Text | - | Identifier of the object in the source dataset |
label |
Label | Text | - | Informative name or code for this feature |
screen_no |
Screen no | Integer | - | Well screen number (typically 1 for the one closest to surface level, counting downwards) |
timeseries_last_updated |
Timeseries last updated | Date | - | Date and time of the most recent timeseries update |
aquifer_no |
Aquifer no | Integer | - | Number of aquifer to which this feature is connected |
elevation_top |
Elevation top | Decimal | 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 | Decimal | m+MSL | Top of the screen |
screen_bottom |
Screen bottom | Decimal | 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 | - | ID of the associated monitoring station |
nearest_weather_station_prec |
Nearest weather station prec | Feature type | - | The nearest weather station used for precipitation data |
nearest_weather_station_evap |
Nearest weather station evap | Feature type | - | The nearest weather station used for evaporation data |
surface_elevation |
Surface elevation | Decimal | m+MSL | Ground surface level relative to MSL |
owner |
Owner | Text | - | Owner of the object |
evaporation_factor |
Evaporation factor | Decimal | - | Actual evaporation as a fraction of the potential evaporation |
unit_response |
Unit response | Decimal | m | Long-term response of the groundwater level to a constant recharge input of one unit |
r2 |
R2 | Decimal | % | R-squared (explained variance) |
details |
Details | JSON | - | Field for country- or dataset specific info that is not used for visualization or calculation purposes |
centroid |
Centroid | Geometry | - | Point geometry representing the centre of the object |
label_alt |
Label alt | Text | - | Alternative informative name or code for this feature |