Represents the level (=elevation) of ground water monitored in a drill hole.
Characteristic |
Note |
Version |
4 |
Name |
Ground water level |
Path |
\Hydrology |
Feature type icon |
|
Feature type class |
Regular |
Spatial data support |
Spatial support on feature |
Allowed spatial systems |
All |
Allowed geometries |
Point |
Allowed contained feature types |
N/A |
Table 1: Characteristics of this feature type
Property structure for type specific feature data
Property, Property Collection |
Description |
BEARING
|
Used in conjunction with Dip (see below) to describe the spatial orientation of the borehole. 0 means North direction in the underlying coordinate system. Property type: Numeric Default Value: 0 Validation rule: ≥ 0 and <360 Display Options: Decimals: 0 Display unit: ° (Degree) |
Dip
|
Used in conjunction with Azimuth (see above) to describe the spatial orientation of the bore hole. Property type: Numeric 0° is horizontal 90° is perpendicular down -90° is perpendicular up Default Value: 90 Validation rule: ≥ -90 and ≤ 90 Display Options: Decimals: 0 Unit: ° (Degree) |
AquiferType
|
Defines the ground water magazine this ground water level refers to. Property type: Classification of type Aquifer type |
MAGAZINE
|
Defines the type of the aquifer whose water level is observer. Property type: Classification of type Ground water magazine |
DRILLHOLETYPE
|
Defines the type of drilling in which the ground water level is measured Property type: Classification of type Drilling type |
ReferenceElevation
|
Elevation of the point from which depth measurements are done (in many cases top edge of the pipe). Value is expressed in the underlying vertical coordinate system. Property type: Numeric Default Value: null Validation rule: ≥ -420 and ≤ 8848 Display Options: •Integer places: 3 •Decimal places: 2 •Display unit: m |
Filterlength
|
Length of the filter within the borehole Property type: Numeric Default Value: null Validation rule: ≥ 0 and ≤ 1000 Display Options: •Integer places: 3 •Decimal places: 2 •Display unit: m |
ELEVATIONOFEND
|
Elevation of final depth of the drilling. Value is expressed in the underlying vertical coordinate system. Property type: Numeric Default Value: null Validation rule: ≥ -420 and ≤ 8848 Display Options: •Integer places: 3 •Decimal places: 2 •Display unit: m |
MAXLEVELLINGDEPTH
|
Property type: Numeric Default Value: null Validation rule: ≥ 0 and ≤ 1000: Display Options: •Integer places: 3 •Decimal places: 2 •Display unit: m |
INSTALLATIONDEPTH
|
Property type: Numeric Default Value: null Validation rule: ≥ 0 and ≤ 1000: Display Options: •Integer places: 3 •Decimal places: 2 •Display unit: m |
PUMPDEPTH
|
Property type: Numeric Default Value: null Validation rule: ≥ 0 and ≤ 1000: Display Options: •Integer places: 3 •Decimal places: 2 •Display unit: m |
FeedpipeLength
|
Property type: Numeric Default Value: null Validation rule: ≥ 0 and ≤ 1000: Display Options: •Integer places: 3 •Decimal places: 2 •Display unit: m |
Filled
|
Property type: Boolean filled or not |
FEATURESTATUS
|
Status of the ground water level. Property type: Classification of type Ground water level status |
InformationSource
|
Describes the source of the information recorded for this ground water level. Property Type: Text Default Value: none Display Options: single-line |
NOTES
|
General notes Property Type: Text Default Value: none Display Options: Multi-line |
Locationdescription
|
Description of the location of the drill hole Property Type: Text Default Value: none Display Options: Multi-line |
Installationdate
|
Property type: Date time |
INVENTORYDATE
|
Property type: Date time
|
Filtertype
|
Type of filter used in this drillhole. Property type: Classification of type Filter type |
Pipedimension
|
Property type: Classification of type Pipe dimension
|
Tiptype
|
Property type: Classification of type Tip type |
Coordinatesource
|
Property type: Classification of type Positioning type. |
POSITIONINGACCURACYHORIZONTAL
|
Property type: Classification of type Positioning accuracy |
POSITIONINGACCURACYHEIGHT
|
Property type: Classification of type Positioning accuracy |
Table 2: Properties and collections of the type specific feature data property structure
Property structure for type specific observation data
Property, Property Collection |
Description |
WATERLEVEL
|
Absolute elevation of ground water at the time of measurement. Elevation is expressed in the underlying vertical coordinate system. Property type: Numeric Default Value: null Display Unit: m Validation rule: ≥ -420 and ≤ 8848 Display Options: •Integer places: 3 •Decimal places: 2 •Display unit: m |
POREPRESSURE
|
Property type: Numeric Default Value: null Display Options: •Integer places: 4 •Decimal places: 2 •Display unit: kPa |
STANDARDCOMMENT
|
This classification property can be used to tag ground water readings. Property type: Classification of type Standard comment. |
Table 3: Properties and collections of the type specific observation data property structure