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LIDAXES (version 2) - Axes of concentration of runoff (vector)

Name: LIDAXES (version 2) - Axes of concentration of runoff (vector)
Creator: Service public de Wallonie

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This vector dataset delineates the natural concentration axes of runoff water in Wallonia, corresponding to thalwegs, valleys, and dry valleys, derived from the LiDAR digital terrain model (MNT) of 2013-2014. Known as LIDAXES, this second version maps the pathways along which surface water naturally converges during rainfall events, helping to identify areas prone to runoff-related flooding. The layer is published by the Service public de Wallonie and is intended to support analysis of hydrological risk and land management at a regional scale, based on high-resolution elevation data covering the Walloon territory.This vector data layer represents the natural concentration axes of runoff water, which correspond to thalwegs, valleys and dry valleys, established on the basis of the MNT LiDAR 2013-2014. The mapping of the natural concentration axes of runoff (LiDAXES) highlights areas at risk of runoff floodin…

watergeospatial

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Data schema (26 fields)

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Field	Type	Description
gml_idGml id	string	GML feature identifier.GML feature identifier.
gml_identifierGml identifier	string	Unique URI identifying the feature (INSPIRE gml:identifier).Unique URI identifying the feature (INSPIRE gml:identifier).
gml_identifier__codespaceGml identifier codespace	string	Codespace or authority defining the gml:identifier.Codespace or authority defining the gml:identifier.
gml_description__hrefGml description href	string	Link to further documentation describing the feature.Link to further documentation describing the feature.
gml_descriptionGml description	string	Text description of the hazard, e.g. flood by overflow and runoff.Text description of the hazard, e.g. flood by overflow and runoff.
gml_descriptionreference__hrefGml descriptionreference href	string	Link to an external reference describing the feature.Link to an external reference describing the feature.
gml_nameGml name	string	Name label combining hazard type, level and category.Name label combining hazard type, level and category.
inspireid_localidInspireid localid	string	Local identifier part of the INSPIRE unique object ID.Local identifier part of the INSPIRE unique object ID.
inspireid_namespaceInspireid namespace	string	Namespace part of the INSPIRE unique object ID.Namespace part of the INSPIRE unique object ID.
inspireid_versionidInspireid versionid	string	Version identifier part of the INSPIRE unique object ID.Version identifier part of the INSPIRE unique object ID.
beginlifespanversion	string	Date and time when this feature version began to exist.Date and time when this feature version began to exist.
endlifespanversion	string	Date and time when this feature version ceased to exist.Date and time when this feature version ceased to exist.
determinationmethod__hrefDeterminationmethod href	string	Link to the method used to determine the hazard, e.g. modelling.Link to the method used to determine the hazard, e.g. modelling.
hazardcategory__hrefHazardcategory href	string	Link to the INSPIRE natural hazard category, e.g. flood.Link to the INSPIRE natural hazard category, e.g. flood.
specifichazardtype	string	Specific type of hazard affecting the area.Specific type of hazard affecting the area.
validityperiod	string	Time period during which the hazard assessment is valid.Time period during which the hazard assessment is valid.
likelihoodofoccurence	string	Estimated likelihood of the hazard occurring.Estimated likelihood of the hazard occurring.
magnitudeorintensity	string	Assessed severity level of the hazard, e.g. medium.Assessed severity level of the hazard, e.g. medium.
featureconcept	string	INSPIRE feature type concept, e.g. HazardArea.INSPIRE feature type concept, e.g. HazardArea.
datetrans	date	Date the record was transmitted or exported.Date the record was transmitted or exported.
objectid	decimal	Internal record identifier.Internal record identifier.
geom	geometry	Geometry of the runoff concentration axis feature.Geometry of the runoff concentration axis feature.
validfrom	string	Date from which the feature information is valid.Date from which the feature information is valid.
validto	string	Date until which the feature information is valid.Date until which the feature information is valid.
ismonitoredby	string	Reference to monitoring related to this feature.Reference to monitoring related to this feature.
nameofevent	string	Name of the hazard event associated with the feature.Name of the hazard event associated with the feature.

Schema captured from wfs 22 days ago.

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Sample data (3 records)

Record 1gml_id: · gml_name: Aléa d’inondation par débordement et rui

{
  "gml_id": "",
  "gml_name": "Aléa d’inondation par débordement et ruissellement",
  "objectid": 1957908,
  "datetrans": "2025-11-26Z",
  "featureconcept": "HazardArea",
  "gml_identifier": "http://geodata.wallonie.be/id/nz/HazardArea/6F5470F2854611E12C1AB7332FD0A3CD",
  "validityperiod": "nilreason : ",
  "gml_description": "Aléa d’inondation par débordement et ruissellement",
  "inspireid_localid": "6F5470F2854611E12C1AB7332FD0A3CD",
  "endlifespanversion": "",
  "specifichazardtype": null,
  "inspireid_namespace": "http://geodata.wallonie.be/id/nz/HazardArea/",
  "inspireid_versionid": "",
  "beginlifespanversion": "",
  "hazardcategory__href": "http://inspire.ec.europa.eu/codelist/NaturalHazardCategoryValue/flood",
  "magnitudeorintensity": null,
  "gml_description__href": "https://geoportail.wallonie.be/catalogue/fc774603-bcdd-495a-a89a-9716de1494d0.html",
  "likelihoodofoccurence": "nilreason : ",
  "determinationmethod__href": "https://inspire.ec.europa.eu/enumeration/DeterminationMethodValue/modelling",
  "gml_identifier__codespace": "http://inspire.ec.europa.eu/ids",
  "gml_descriptionreference__href": null
}

Record 2gml_id: · gml_name: Aléa d’inondation par débordement et rui

{
  "gml_id": "",
  "gml_name": "Aléa d’inondation par débordement et ruissellement",
  "objectid": 1957909,
  "datetrans": "2025-11-26Z",
  "featureconcept": "HazardArea",
  "gml_identifier": "http://geodata.wallonie.be/id/nz/HazardArea/92C78B7D5E614D1CBD36C26EB340DF86",
  "validityperiod": "nilreason : ",
  "gml_description": "Aléa d’inondation par débordement et ruissellement",
  "inspireid_localid": "92C78B7D5E614D1CBD36C26EB340DF86",
  "endlifespanversion": "",
  "specifichazardtype": null,
  "inspireid_namespace": "http://geodata.wallonie.be/id/nz/HazardArea/",
  "inspireid_versionid": "",
  "beginlifespanversion": "",
  "hazardcategory__href": "http://inspire.ec.europa.eu/codelist/NaturalHazardCategoryValue/flood",
  "magnitudeorintensity": null,
  "gml_description__href": "https://geoportail.wallonie.be/catalogue/fc774603-bcdd-495a-a89a-9716de1494d0.html",
  "likelihoodofoccurence": "nilreason : ",
  "determinationmethod__href": "https://inspire.ec.europa.eu/enumeration/DeterminationMethodValue/modelling",
  "gml_identifier__codespace": "http://inspire.ec.europa.eu/ids",
  "gml_descriptionreference__href": null
}

Record 3gml_id: · gml_name: Aléa d’inondation par débordement et rui

{
  "gml_id": "",
  "gml_name": "Aléa d’inondation par débordement et ruissellement",
  "objectid": 1957910,
  "datetrans": "2025-11-26Z",
  "featureconcept": "HazardArea",
  "gml_identifier": "http://geodata.wallonie.be/id/nz/HazardArea/1C9F54555479A1BF825315EA02A3DC58",
  "validityperiod": "nilreason : ",
  "gml_description": "Aléa d’inondation par débordement et ruissellement",
  "inspireid_localid": "1C9F54555479A1BF825315EA02A3DC58",
  "endlifespanversion": "",
  "specifichazardtype": null,
  "inspireid_namespace": "http://geodata.wallonie.be/id/nz/HazardArea/",
  "inspireid_versionid": "",
  "beginlifespanversion": "",
  "hazardcategory__href": "http://inspire.ec.europa.eu/codelist/NaturalHazardCategoryValue/flood",
  "magnitudeorintensity": null,
  "gml_description__href": "https://geoportail.wallonie.be/catalogue/fc774603-bcdd-495a-a89a-9716de1494d0.html",
  "likelihoodofoccurence": "nilreason : ",
  "determinationmethod__href": "https://inspire.ec.europa.eu/enumeration/DeterminationMethodValue/modelling",
  "gml_identifier__codespace": "http://inspire.ec.europa.eu/ids",
  "gml_descriptionreference__href": null
}

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Base URL: https://geoservices.wallonie.be/geoserver/inspire_nz/ows?service=WMS&version=1.3.0&request=GetCapabilities

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