Pset_WaterStratumCommon Properties expressing the composition and any variability in the height of the body of water. Ranges are non-negative describing a spread. IfcGeotechnicalStratum/WATER IfcGeotechnicalStratum/WATER AnnualRange Indicative (95%-100%) annual range in levels. AnnualTrend Indicative (95%-100%) annual rise in level. IsFreshwater Indication of freshwater (true,false or unknown) SeicheRange Indicative (95%-100%) range between peaks and troughts of seiche (resonant) waves. TidalRange Indicative (95%-100%) range between high and low tide levels. WaveRange Indicative (95%-100%) range between peaks and troughs of waves