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Identifier SurfaceWaterBodyLine
Short name SurfaceWaterBodyLine
Dataset WISE - Spatial data
Reference URL http://dd.eionet.europa.eu/datasets/latest/WISE_SpatialData/tables/SurfaceWaterBodyLine
Name Surface water body (polyline)
Short Description Spatial data for surface water bodies (represented by polylines).
Definition The SurfaceWaterBodyLine spatial data set is used for the reporting of surface water bodies that are represented by lines (for example, rivers). If the surface water body is represented by a polygon, use the SurfaceWaterBody spatial data set. Note that the type of geometry depends mostly on the scale of the national data sets, and not on the type of water body category.

Surface water body:
Body of surface water means a discrete and significant element of surface water such as a lake, a reservoir, a stream, river or canal, part of a stream, river or canal, a transitional water or a stretch of coastal water.

Surface water:
Inland waters, except groundwater; transitional waters and coastal waters, except in respect of chemical status for which it shall also include territorial waters (in the scope of the WFD reporting).

Inland water:
All standing or flowing water on the surface of the land, and all groundwater on the landward side of the baseline from which the breadth of territorial waters is measured.

Territorial sea:
The territorial waters, or territorial sea as defined by the 1982 United Nations Convention on the Law of the Sea, extend up to a limit not exceeding 12 nautical miles (22.2 km), measured from the baseline. The normal baseline is the low-water line along the coast.

Territorial waters:
[Operational definition. Not in WFD.] Reporting unit. The zone between the limit of the coastal water bodies and the limit of the territorial sea, geometrically subdivided in Thiessen polygons according to the adjacent coastal sub-unit (or using any alternative delineation provided by the national competent authorities), and assigned to an adjacent sub-unit for the purpose of reporting the chemical status of the territorial waters under the Water Framework Directive.

Coastal water:
Surface water on the landward side of a line, every point of which is at a distance of one nautical mile on the seaward side from the nearest point of the baseline from which the breadth of territorial waters is measured, extending where appropriate up to the outer limit of transitional waters.

Transitional waters:
Bodies of surface water in the vicinity of river mouths which are partly saline in character as a result of their proximity to coastal waters but which are substantially influenced by freshwater flows.

River:
Body of inland water flowing for the most part on the surface of the land but which may flow underground for part of its course.

Lake:
Body of standing inland surface water.

Artificial water body:
Body of surface water created by human activity.

Heavily modified water body:
Body of surface water which as a result of physical alterations by human activity is substantially changed in character, as designated by the Member State in accordance with the provisions of Annex II.
[Operational definition from the WFD Reporting Guidance] "It is the recommendation of this Guidance that reservoirs formed by damming rivers (i.e. heavily modified rivers) should be reported as river water bodies."
Methodology for obtaining data For non-EU countries and in the absence of a national reference spatial data set for surface water bodies, a hydrographic spatial data set can be used for the production of the WISE reference data for EIONET reporting purposes.
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Elements

Element name Datatype Element type
* Geometry (geometry) linestring Quantitative
* INSPIRE identifier - local identifier (inspireIdLocalId) C string Quantitative
INSPIRE identifier - namespace (inspireIdNamespace) C string Quantitative
INSPIRE identifier - version identifier (inspireIdVersionId) C string Quantitative
* Thematic identifier - identifier (thematicIdIdentifier)  (PK) reference Vocabulary
* Thematic identifier - Identifier scheme (thematicIdIdentifierScheme)  (PK) string Fixed values
Name - english version (nameTextInternational) C string Quantitative
* Name - national version (nameText) C string Quantitative
* Name - language code (nameLanguage) C reference Vocabulary
Version lifespan - begin (beginLifespanVersion) C date Quantitative
Version lifespan - end (endLifespanVersion) C date Quantitative
Predecessors - identifier (predecessorsIdentifier) C string Quantitative
Predecessors - identifier scheme (predecessorsIdentifierScheme) C string Quantitative
Successors - identifier (successorsIdentifier) C string Quantitative
Successors - identifier scheme (successorsIdentifierScheme) C string Quantitative
* WISE evolution type (wiseEvolutionType) C string Fixed values
* Designation period - begin (designationPeriodBegin) C date Quantitative
Designation period - end (designationPeriodEnd) C date Quantitative
* Zone type (zoneType) C reference Vocabulary
* Specialized zone type (specialisedZoneType) C string Vocabulary
* Related zone - identifier (relatedZoneIdentifier) C string Quantitative
* Related zone - identifier scheme (relatedZoneIdentifierScheme) C string Fixed values
Transboundary - identifier (relatedZoneTransboundaryIdentifier) C string Quantitative
Transboundary - identifier scheme (relatedZoneTransboundaryIdentifierScheme) C string Quantitative
* Size - value (sizeValue) C float Quantitative
* Size - unit of measure (sizeUom) C reference Vocabulary
Mean depth (meanDepth) C float Quantitative
Link (link) C string Quantitative
(an asterisk in front of element name indicates that the element is mandatory in this table)
(the C sign marks a common element)