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Shallow Water Area (BH250)
DGIF baseline 2026-1, the latest. Earlier baselines: timemap.
RDF: bh250.ttl
- Name
ShallowWaterArea
- Kind
- FeatureType
- Definition
- That part of an inland body of water where the depth is relatively slight (less than 1 metre) and thus likely to limit the passage of watercraft.
- Description
- Shallow water areas may be identified using overhead imagery, where there are visible bottom features, surface waves, and/or other water surface phenomena.
- Accepted
- 2013-10-18
- Geometry
- point, multipoint, curve, multicurve, surface, multisurface, solid, multisolid
- Subtype of
- ZI028 Feature Entity
- Attributes
- BMC Bottom Material Type — multiplicity 0..*; datatype ShallowWaterArea_bottomMaterialTypeMeta; values: BMC_1 Clay and Silt, BMC_11 Coral, BMC_14 Sand, BMC_18 Soil, BMC_2 Silty Sands, BMC_3 Sand and Gravel, BMC_4 Gravel and Cobble, BMC_5 Rocks and Boulders, BMC_6 Bedrock, BMC_7 Paved, BMC_8 Peat, BMC_9 Sand over Mud
- DTN Dangerous to Navigation — multiplicity 0..1; datatype BooleanMeta
- PWA Predominant Water Depth — multiplicity 0..1; datatype MeasureIntervalMeta
- VGP Vegetation Present — multiplicity 0..1; datatype BooleanMeta
- WLE Water Level Effect — multiplicity 0..1; datatype ShallowWaterArea_waterLevelEffectMeta; values: WLE_1 Partly Submerged At High Water, WLE_2 Always Dry, WLE_3 Always Submerged, WLE_4 Covers and Uncovers
- Associations
- RWOI terms naming it
Source: DGIF 2026-1 QEA model, DGIWG. Standard: DGIWG 206-3. Licence: CC BY 4.0, © DGIWG.