| Name | Type | Description | 
| AnnualRange | 
P_SINGLEVALUE
/
IfcPositiveLengthMeasure
 | 
Indicative (95%-100%) annual range in levels.
 | 
| AnnualTrend | 
P_SINGLEVALUE
/
IfcLengthMeasure
 | 
Indicative (95%-100%) annual rise in level.
 | 
| IsFreshwater | 
P_SINGLEVALUE
/
IfcLogical
 | 
Indication of freshwater (true,false or unknown)
 | 
| SeicheRange | 
P_SINGLEVALUE
/
IfcPositiveLengthMeasure
 | 
Indicative (95%-100%) range between peaks and troughts of seiche (resonant) waves.
 | 
| TidalRange | 
P_SINGLEVALUE
/
IfcPositiveLengthMeasure
 | 
Indicative (95%-100%) range between high and low tide levels.
 | 
| WaveRange | 
P_SINGLEVALUE
/
IfcPositiveLengthMeasure
 | 
Indicative (95%-100%) range between peaks and troughs of waves
 |