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Rapids (BH120)

DGIF baseline 2026-1, the latest. Earlier baselines: timemap.

RDF: bh120.ttl

Name

Rapids

Kind

FeatureType

Definition

Portions of a stream with accelerated current where it descends rapidly but without a break in the slope of the bed sufficient to form a waterfall.

Description

The surface is usually broken by boulders and rocks.

Synonyms

Rapid

Accepted

2013-10-18

Geometry

point, curve, surface

Subtype of

ZI028 Feature Entity

Attributes

• DIR Directivity — multiplicity 0..1; datatype Rapids_directivityMeta; values: DIR_1 Unidirectional, DIR_2 Bidirectional, DIR_3 Omnidirectional
• IWO Inland Water Obstruction — multiplicity 0..1; datatype BooleanMeta
• CLR Rapid Class — multiplicity 0..1; datatype Rapids_rapidClassMeta; values: CLR_1 Class I: Easy, CLR_2 Class II: Novice, CLR_3 Class III: Intermediate, CLR_4 Class IV: Advanced, CLR_5 Class V: Expert, CLR_6 Class VI: Extreme and Exploratory

Associations

• RapidsLandmarkInfo → LM010 Landmark Information (0..1)

RWOI terms naming it

• RWO_02989 Rapids

Source: DGIF 2026-1 QEA model, DGIWG. Standard: DGIWG 206-3. Licence: CC BY 4.0, © DGIWG.