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Groundwater is the water that soaks into the ground from rain and can be stored beneath the ground. Groundwater floods occur when the water stored beneath the ground rises above the land surface. <\/SPAN><\/SPAN><\/P>

The <\/SPAN>Groundwater Flooding Low Probability map <\/SPAN><\/SPAN>shows the expected flood extent of groundwater flooding in limestone regions for annual exceedance probabilities (AEP<\/SPAN><\/SPAN>\u2019<\/SPAN><\/SPAN>s) of 0.1%, which correspond with a return period of every 1000 years.<\/SPAN><\/SPAN><\/P>

The map was created using groundwater levels measured in the field, satellite images and hydrological models.<\/SPAN><\/P>

This map is to the scale 1:20,000. This means it should be viewed at that scale. When printed at that scale 1cm on the map relates to a distance of 200m.<\/SPAN><\/P>

The map is a vector dataset. Vector data portray the world using points, lines, and polygons (area). The floods are shown as polygons. Each polygon has info on the data source, and the area of the flood.<\/SPAN><\/SPAN><\/P>

The flood extents were calculated using remote sensing data and hydrological modelling techniques with various precision levels. As such, it should be used with caution.<\/SPAN><\/P><\/DIV><\/DIV><\/DIV>", "geometryType": "esriGeometryPolygon", "sourceSpatialReference": { "wkid": 2157, "latestWkid": 2157, "xyTolerance": 0.001, "zTolerance": 0.001, "mTolerance": 0.001, "falseX": -5022200, "falseY": -15179500, "xyUnits": 10000, "falseZ": 0, "zUnits": 1, "falseM": 0, "mUnits": 1 }, "copyrightText": "Contains Irish Public Sector Data (Geological Survey Ireland) licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 (CC BY-NC-ND 4.0) International Licence", "parentLayer": { "id": 0, "name": "Groundwater Flood Probability Maps [GSI]" }, "subLayers": [], "minScale": 0, "maxScale": 0, "referenceScale": 0.0, "drawingInfo": { "renderer": { "type": "simple", "symbol": { "type": "esriSFS", "style": "esriSFSSolid", "color": [ 122, 1, 119, 255 ], "outline": { "type": "esriSLS", "style": "esriSLSSolid", "color": [ 78, 78, 78, 255 ], "width": 0.4 } }, "label": "Low Probability" }, "scaleSymbols": true, "transparency": 0, "labelingInfo": null }, "defaultVisibility": false, "extent": { "xmin": 507598.827, "ymin": 619674.7667, "xmax": 685572.2638, "ymax": 859566.0408, "spatialReference": { "wkid": 2157, "latestWkid": 2157, "xyTolerance": 0.001, "zTolerance": 0.001, "mTolerance": 0.001, "falseX": -5022200, "falseY": -15179500, "xyUnits": 10000, "falseZ": -100000, "zUnits": 10000, "falseM": -100000, "mUnits": 10000 } }, "hasAttachments": false, "htmlPopupType": "esriServerHTMLPopupTypeAsHTMLText", "displayField": "MDL_SOURCE", "typeIdField": null, "subtypeFieldName": null, "subtypeField": null, "defaultSubtypeCode": null, "fields": [ { "name": "OBJECTID", "type": "esriFieldTypeOID", "alias": "FID", "domain": null }, { "name": "ID", "type": "esriFieldTypeInteger", "alias": "Unique ID", "domain": null }, { "name": "MDL_SOURCE", "type": "esriFieldTypeString", "alias": "The source of the hydrological model", "length": 80, "domain": null }, { "name": "AREA_M2", "type": "esriFieldTypeDouble", "alias": "Area of the flood in m2", "domain": null } ], "geometryField": {}, "indexes": null, "subtypes": [], "relationships": [], "canModifyLayer": true, "canScaleSymbols": false, "hasLabels": false, "capabilities": "Query,Map,Data", "maxRecordCount": 2000, "supportsStatistics": true, "supportsExceedsLimitStatistics": true, "supportsAdvancedQueries": true, "supportedQueryFormats": "JSON, geoJSON, PBF", "isDataVersioned": false, "effectiveMaxScale": 10000, "ownershipBasedAccessControlForFeatures": {"allowOthersToQuery": true}, "useStandardizedQueries": true, "advancedQueryCapabilities": { "useStandardizedQueries": true, "supportsStatistics": true, "supportsPercentileStatistics": true, "supportsHavingClause": true, "supportsOrderBy": true, "supportsDistinct": true, "supportsCountDistinct": true, "supportsPagination": true, "supportsTrueCurve": true, "supportsQueryWithDatumTransformation": true, "supportsReturningQueryExtent": true, "supportsQueryWithDistance": true, "supportsSqlExpression": true }, "supportsDatumTransformation": true, "dateFieldsTimeReference": null, "hasMetadata": true, "isDataArchived": false, "archivingInfo": { "supportsQueryWithHistoricMoment": false, "startArchivingMoment": -1 }, "supportsCoordinatesQuantization": true, "supportsDynamicLegends": true, "serviceItemId": "b67e2f3699d248a2ab90c0b0c880c180" }