-- Definition --
The 'PhysicalWaters' application schema is concerned primarily with the 'mapping' Use Case
-- Definition --
A man-made object allowing the passage of water above or below an obstacle.
-- Description --
EXAMPLE Aqueduct, bridge, culvert, siphon.
-- Definition --
The type of physical crossing.
-- Definition --
A permanent barrier across a watercourse used to impound water or to control its flow.
-- Description --
SOURCE [EuroRegionalMap].
-- Definition --
Area having a common outlet for its surface runoff.
-- Description --
SOURCE [UNESCO/WMO International Glossary of Hydrology].
NOTE 1 Regarding the different classifications of drainage basins, no distinction is made between drainage basins / sub-basins since this will vary with application. It is possible to build basins from other basins.
NOTE 2 The outlet of a drainage basin may be a canal or a lake.
NOTE 3 Synonyms for drainage basin include: catchment; catchment area; drainage area; river basin; watershed.
-- Definition --
A geographical name that is used to identify a hydrographic object in the real world. It provides a 'key' for implicitly associating different representations of the object.
-- Description --
EXAMPLE A standing water in a mapping view may share the same geographical name as a WFD lake in a reporting view, implying they are both representations of the same real world object.
-- Definition --
An identifier that is used to identify a hydrographic object in the real world. It provides a 'key' for implicitly associating different representations of the object.
-- Description --
NOTE 1 The identifier may be a national hydrological identification code.
NOTE 2 More than one identifier may be required, for instance a watercourse may be assigned different identifying codes under national and European schemes.
EXAMPLE A lock in a mapping view may share the same identifier as a hydro node in a network view, implying they are both representations of the same real world object.
-- Definition --
A related hydrographic object representing the same real-world entity.
hy:HydroObject
-- Definition --
Size of the drainage basin area.
-- Definition --
Number (or code) expressing the degree of branching/dividing in a drainage basin system.
-- Definition --
Date and time at which this version of the spatial object was inserted or changed in the spatial data set.
-- Definition --
Date and time at which this version of the spatial object was superseded or retired in the spatial data set.
-- Definition --
The geometry of the drainage basin, as a surface.
-- Definition --
External object identifier of the spatial object.
-- Description --
NOTE An external object identifier is a unique object identifier published by the responsible body, which may be used by external applications to reference the spatial object. The identifier is an identifier of the spatial object, not an identifier of the real-world phenomenon.
-- Definition --
Origin of the drainage basin.
-- Description --
EXAMPLE Natural, man-made, etc.
NOTE A polder is a drainage basin of man-made origin.
-- Definition --
A smaller sub-basin contained within a larger basin.
hy-p:DrainageBasin
-- Definition --
The surface water outlet(s) of a drainage basin.
hy-p:SurfaceWater
hy-p:drainsBasin
-- Definition --
A man-made raised long mound of earth or other material.
-- Description --
SOURCE [DFDD].
NOTE 1 Includes retaining walls, harbours, dikes.
NOTE 2 Regarded as a candidate spatial object in Annex III theme 'Natural risk zones' due to its role in limiting flooding.
-- Definition --
A vertically descending part of a watercourse where it falls from a height.
-- Description --
SOURCE [Based on DFDD].
EXAMPLE Waterfalls over a rock or a precipice.
-- Definition --
Distance measured from the lowest point of the base at ground or water level (downhill side/downstream side) to the tallest point of the spatial object.
-- Description --
SOURCE [DFDD].
-- Definition --
A hydro point of interest that affects the flow of a watercourse.
-- Definition --
A shallow part of a watercourse used as a road crossing.
-- Description --
SOURCE [DFDD].
-- Definition --
A hydrologically meaningful 'order code' for ordering hierarchies of watercourses and drainage basins.
-- Definition --
Number (or code) expressing the degree of branching or dividing in a stream or drainage basin system.
-- Description --
SOURCE [Based on UNESCO/WMO International Glossary of Hydrology].
-- Definition --
A description of the concept for ordering.
-- Description --
EXAMPLE Strahler, Horton, Pfaffstetter etc.
-- Definition --
An indicator of the scope or origin for an order code (including whether it is national, supranational or European).
-- Description --
NOTE In the case of a national hydrographic identifier it may start with a two-letter country code as per ISO 3166-1-Alpha-2.
-- Definition --
A natural place where water appears, disappears or changes its flow.
-- Description --
EXAMPLE Fluvial points (waterfall, cascade, rapids, breaker), spring/water hole (spring, source, geyser, thermal spring, natural fountain, well, also fumarole, artesian), sinkhole (sinkhole, drainage loss).
NOTE A hydro point of interest may create a flow constriction in the network.
-- Definition --
A geographical name that is used to identify a hydrographic object in the real world. It provides a 'key' for implicitly associating different representations of the object.
-- Description --
EXAMPLE A standing water in a mapping view may share the same geographical name as a WFD lake in a reporting view, implying they are both representations of the same real world object.
-- Definition --
An identifier that is used to identify a hydrographic object in the real world. It provides a 'key' for implicitly associating different representations of the object.
-- Description --
NOTE 1 The identifier may be a national hydrological identification code.
NOTE 2 More than one identifier may be required, for instance a watercourse may be assigned different identifying codes under national and European schemes.
EXAMPLE A lock in a mapping view may share the same identifier as a hydro node in a network view, implying they are both representations of the same real world object.
-- Definition --
A related hydrographic object representing the same real-world entity.
hy:HydroObject
-- Definition --
Date and time at which this version of the spatial object was inserted or changed in the spatial data set.
-- Definition --
Date and time at which this version of the spatial object was superseded or retired in the spatial data set.
-- Definition --
The geometry of the hydro point of interest, as a point, curve or surface.
-- Definition --
External object identifier of the spatial object.
-- Description --
NOTE An external object identifier is a unique object identifier published by the responsible body, which may be used by external applications to reference the spatial object. The identifier is an identifier of the spatial object, not an identifier of the real-world phenomenon.
-- Definition --
Resolution, expressed as the inverse of an indicative scale or a ground distance.
-- Description --
NOTE The object is captured at a scale of this level of detail; rules apply for portrayal and visualisation.
-- Definition --
The line where a land mass is in contact with a body of water.
-- Description --
SOURCE [DFDD].
NOTE The plane of reference for the land-water boundary should be a high water datum, such as 'Mean High Water Springs', 'High Water' or 'Mean Higher High Water'. Where there is little appreciable change in waterlevels / tide at the adjacent shore, then 'Mean Sea Level' or 'Local Datum' may be used.
-- Definition --
Date and time at which this version of the spatial object was inserted or changed in the spatial data set.
-- Definition --
Date and time at which this version of the spatial object was superseded or retired in the spatial data set.
-- Definition --
The geometry of the land-water boundary, as a curve.
-- Definition --
External object identifier of the spatial object.
-- Description --
NOTE An external object identifier is a unique object identifier published by the responsible body, which may be used by external applications to reference the spatial object. The identifier is an identifier of the spatial object, not an identifier of the real-world phenomenon.
-- Definition --
Origin of the land-water boundary.
-- Description --
EXAMPLE Natural, man-made, etc.; a sea defence is a land-water boundary of man-made origin.
-- Definition --
Water-level defining the land-water boundary.
-- Description --
EXAMPLE High water, low water, etc.
-- Definition --
An enclosure with a pair or series of gates used for raising or lowering vessels as they pass from one water level to another.
-- Description --
SOURCE [DFDD].
-- Definition --
An artificial object which lies inside a body of water and has one of the following types of function:
- Retains the water;
- Regulates the quantity of water;
- Alters the course of the water;
- Allows watercourses to cross each other.
-- Definition --
A geographical name that is used to identify a hydrographic object in the real world. It provides a 'key' for implicitly associating different representations of the object.
-- Description --
EXAMPLE A standing water in a mapping view may share the same geographical name as a WFD lake in a reporting view, implying they are both representations of the same real world object.
-- Definition --
An identifier that is used to identify a hydrographic object in the real world. It provides a 'key' for implicitly associating different representations of the object.
-- Description --
NOTE 1 The identifier may be a national hydrological identification code.
NOTE 2 More than one identifier may be required, for instance a watercourse may be assigned different identifying codes under national and European schemes.
EXAMPLE A lock in a mapping view may share the same identifier as a hydro node in a network view, implying they are both representations of the same real world object.
-- Definition --
A related hydrographic object representing the same real-world entity.
hy:HydroObject
-- Definition --
Date and time at which this version of the spatial object was inserted or changed in the spatial data set.
-- Definition --
The state of planning, construction, repair, and/or maintenance of the structures and/or equipment comprising a facility and/or located at a site, as a whole.
-- Description --
SOURCE [DFDD].
-- Definition --
Date and time at which this version of the spatial object was superseded or retired in the spatial data set.
-- Definition --
The geometry of the man-made object, as a point, curve or surface.
-- Definition --
External object identifier of the spatial object.
-- Description --
NOTE An external object identifier is a unique object identifier published by the responsible body, which may be used by external applications to reference the spatial object. The identifier is an identifier of the spatial object, not an identifier of the real-world phenomenon.
-- Definition --
Resolution, expressed as the inverse of an indicative scale or a ground distance.
-- Description --
NOTE The object is captured at a scale of this level of detail; rules apply for portrayal and visualisation.
-- Definition --
An enumeration type specifying a set of hydrographic 'origin' categories (natural, man-made) for various hydrographic objects.
-- Definition --
An indication that a spatial object is natural.
-- Definition --
An indication that a spatial object is man-made.
-- Description --
SOURCE [DFDD].
-- 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 --
SOURCE [DFDD].
-- Definition --
The area of land from which all surface run-off flows through a sequence of streams, rivers and, possibly, lakes into the sea at a single river mouth, estuary or delta.
-- Description --
SOURCE [2000/60/EC Art. 2(13)].
-- Definition --
The narrow strip of land in immediate contact with any body of water including the area between high and low water lines.
-- Description --
SOURCE [IHO S-32].
NOTE Regarded as a candidate spatial object in Annex II theme 'Land cover' due to unconsolidated shore inclusion in coastal land-cover classificaction schemes.
-- Definition --
A geographical name that is used to identify a hydrographic object in the real world. It provides a 'key' for implicitly associating different representations of the object.
-- Description --
EXAMPLE A standing water in a mapping view may share the same geographical name as a WFD lake in a reporting view, implying they are both representations of the same real world object.
-- Definition --
An identifier that is used to identify a hydrographic object in the real world. It provides a 'key' for implicitly associating different representations of the object.
-- Description --
NOTE 1 The identifier may be a national hydrological identification code.
NOTE 2 More than one identifier may be required, for instance a watercourse may be assigned different identifying codes under national and European schemes.
EXAMPLE A lock in a mapping view may share the same identifier as a hydro node in a network view, implying they are both representations of the same real world object.
-- Definition --
A related hydrographic object representing the same real-world entity.
hy:HydroObject
-- Definition --
External object identifier of the spatial object.
-- Description --
NOTE An external object identifier is a unique object identifier published by the responsible body, which may be used by external applications to reference the spatial object. The identifier is an identifier of the spatial object, not an identifier of the real-world phenomenon.
-- Definition --
The geometry of the shore.
-- Definition --
<font color="#1a1a1a">The primary type(s) of material composing a spatial object, exclusive of the surface.</font>
-- Description --
<font color="#1a1a1a">SOURCE [Based on DFDD].</font>
<font color="#1a1a1a">NOTE The basis for 'primary' may be, for example, compositional dominance or structural organization.</font>
-- Definition --
An indication that the delineation (for example: limits and information) of a spatial object is known.
-- Description --
SOURCE [Based on DFDD].
-- Definition --
Date and time at which this version of the spatial object was inserted or changed in the spatial data set.
-- Definition --
Date and time at which this version of the spatial object was superseded or retired in the spatial data set.
-- Definition --
An artificial structure attached to land bordering a body of water and fixed in position.
-- Description --
SOURCE [DFDD].
NOTE 1 It is usually fixed to the waterbody bottom (for example: a mole) but may occasionally be fixed in position (for example: attached to the shore at one end and held between pilings at the other) but floating. Shoreline constructions are normally used for berthing and/or protection.
NOTE 2 Includes breakwater/groyne/wharf; but has more flexibility - also applies to inland waters.
-- Definition --
An open, inclined conduit fitted with a gate for regulating water flow.
-- Description --
SOURCE [DFDD].
-- Definition --
A body of water that is entirely surrounded by land.
-- Description --
SOURCE [DFDD].
NOTE It may occur in a natural terrain depression in which water collects, or may be impounded by a dam, or formed by its bed being hollowed out of the soil, or formed by embanking and/or damming up a natural hollow (for example: by a beaver dam). It may be connected to inflowing / outflowing watercourses or other standing waters.
-- Definition --
Elevation above mean sea level.
-- Description --
SOURCE [Based on EuroRegionalMap].
-- Definition --
Average depth of the body of water.
-- Definition --
Surface area of the body of water.
-- Definition --
Any known inland waterway body.
-- Description --
SOURCE [Based on DFDD].
EXAMPLE Lake/pond, reservoir, river/stream, etc.
NOTE May include islands, represented as 'holes' in its geometry. Islands may be surrounded by a shore and / or land-ware boundary.
-- Definition --
A geographical name that is used to identify a hydrographic object in the real world. It provides a 'key' for implicitly associating different representations of the object.
-- Description --
EXAMPLE A standing water in a mapping view may share the same geographical name as a WFD lake in a reporting view, implying they are both representations of the same real world object.
-- Definition --
An identifier that is used to identify a hydrographic object in the real world. It provides a 'key' for implicitly associating different representations of the object.
-- Description --
NOTE 1 The identifier may be a national hydrological identification code.
NOTE 2 More than one identifier may be required, for instance a watercourse may be assigned different identifying codes under national and European schemes.
EXAMPLE A lock in a mapping view may share the same identifier as a hydro node in a network view, implying they are both representations of the same real world object.
-- Definition --
A related hydrographic object representing the same real-world entity.
hy:HydroObject
-- Definition --
Date and time at which this version of the spatial object was inserted or changed in the spatial data set.
-- Definition --
Date and time at which this version of the spatial object was superseded or retired in the spatial data set.
-- Definition --
The geometry of the surface water:
- either a curve or surface for a watercourse;
- either a point or surface for a standing water.
-- Definition --
External object identifier of the spatial object.
-- Description --
NOTE An external object identifier is a unique object identifier published by the responsible body, which may be used by external applications to reference the spatial object. The identifier is an identifier of the spatial object, not an identifier of the real-world phenomenon.
-- Definition --
Resolution, expressed as the inverse of an indicative scale or a ground distance.
-- Description --
NOTE The object is captured at a scale of this level of detail; rules apply for portrayal and visualisation.
-- Definition --
Provides 'local' name for the type of surface water.
-- Description --
EXAMPLE Canal, channel, ditch, etc.
-- Definition --
Origin of the surface water.
-- Description --
SOURCE [Based on EuroRegionalMap].
EXAMPLE Natural, man-made, etc.
NOTE 1 Natural surface waters are natural watercourses (e.g. rivers, streams) and standing waters (e.g. pools, lakes) naturally preserved and that have been canalised and / or dammed either for navigation or for preventing flood disaster.
NOTE 2 A man-made surface water is a surface water entirely created by man for drainage, storage or transportation purpose, this includes canals, ditches and reservoirs.
-- Definition --
The degree of persistence of water.
-- Description --
SOURCE [Based on DFDD].
-- Definition --
Identifies whether the surface water is affected by tidal water.
-- Definition --
The bank(s) associated to a surface water.
hy-p:Shore
-- Definition --
The basin(s) drained by a surface water.
hy-p:DrainageBasin
hy-p:outlet
-- Definition --
An association to another instance of the same real-world surface water in another data set.
hy-p:SurfaceWater
-- Definition --
A natural or man-made flowing watercourse or stream.
-- Description --
SOURCE [EuroRegionalMap].
-- Definition --
The state of planning, construction, repair, and/or maintenance of a watercourse.
-- Description --
SOURCE [Based on DFDD].
NOTE Only relevant for a man-made watercourse.
-- Definition --
An indication that the delineation (for example: limits and information) of a spatial object is known.
-- Description --
SOURCE [DFDD].
EXAMPLE The delineation may not be known in the following situations:
- an underground watercourse
- real underground network segment (pipeline or natural network section)
- transition area between a broad river and a smaller tributary
-- Definition --
Length of the watercourse.
-- Definition --
Vertical location of watercourse relative to ground.
-- Definition --
Number (or code) expressing the degree of branching in a stream system.
-- Description --
SOURCE [Based on UNESCO/WMO International Glossary of Hydrology].
-- Definition --
Width of watercourse (as a range) along its length.
-- Definition --
A poorly drained or periodically flooded area where the soil is saturated with water, and vegetation is supported.
-- Description --
SOURCE [EuroRegionalMap].
EXAMPLE Marsh/swamp, bog/moor.
NOTE Regarded as a candidate spatial object in Annex II theme 'Land cover' due to explicit mention in 2007/2/EC Ann. II 2.
-- Definition --
A geographical name that is used to identify a hydrographic object in the real world. It provides a 'key' for implicitly associating different representations of the object.
-- Description --
EXAMPLE A standing water in a mapping view may share the same geographical name as a WFD lake in a reporting view, implying they are both representations of the same real world object.
-- Definition --
An identifier that is used to identify a hydrographic object in the real world. It provides a 'key' for implicitly associating different representations of the object.
-- Description --
NOTE 1 The identifier may be a national hydrological identification code.
NOTE 2 More than one identifier may be required, for instance a watercourse may be assigned different identifying codes under national and European schemes.
EXAMPLE A lock in a mapping view may share the same identifier as a hydro node in a network view, implying they are both representations of the same real world object.
-- Definition --
A related hydrographic object representing the same real-world entity.
hy:HydroObject
-- Definition --
External object identifier of the spatial object.
-- Description --
NOTE An external object identifier is a unique object identifier published by the responsible body, which may be used by external applications to reference the spatial object. The identifier is an identifier of the spatial object, not an identifier of the real-world phenomenon.
-- Definition --
The geometry of the wetland, as a surface.
-- Definition --
Provides 'local' name for the type of wetland.
-- Description --
EXAMPLE Bog, swamp.
-- Definition --
Identifies whether the wetland is affected by tidal water.
-- Definition --
Date and time at which this version of the spatial object was inserted or changed in the spatial data set.
-- Definition --
Date and time at which this version of the spatial object was superseded or retired in the spatial data set.
-- Definition --
The range of a watercourse's horizontal width along its length.
-- Definition --
Lower bound of width.
-- Definition --
Upper bound of width.