{ "currentVersion": 11.3, "cimVersion": "3.3.0", "id": 0, "name": "LCE_HYB_TM_METAUX", "type": "Feature Layer", "description": "Cette couche contient l'ensemble des résultats des stations évaluées à l'aide des métaux.\n\nL'appréciation de la qualité des cours d'eau à l'aide des métaux lourds se base sur les exigences chiffrées figurant dans l'annexe 2 de l'Ordonnance sur la protection des eaux (OEaux). La méthode d'appréciation est directement inspirée du système modulaire graduée dédié aux nutriments, elle juge si les seuils à atteindre pour satisfaire aux objectifs écologiques dans les eaux superficielles sont atteints.\n\nElle se détermine en mesurant la teneur dissoute de six métaux : cadmium (Cd), chrome (Cr), cuivre (Cu), nickel (Ni), plomb (Pb) et zinc (Zn).\n \nLa catégorisation de la valeur annuelle, calculée à partir des concentrations mesurées, se distingue en 5 classes de qualité de très bonne à mauvaise.\n\nPour chaque station, une appréciation générale de la qualité vis-à-vis des métaux est déterminée d'après le principe de l'élément déclassant.\n\nValeur Cadmium (µg/L):\n< 0,025➜ Très bon état\n[0.025 - 0.050[ ➜ Bon état\n[0.050 - 0.075[ ➜ Etat moyen\n[0.075 - 0.100[ ➜ Etat médiocre\n≥ 0.100 ➜ Etat mauvais\n\nValeur Chrome (µg/L):\n< 1.00➜ Très bon état\n[1.00 : 2.00[ ➜ Bon état\n[2.00 - 3.00[ ➜ Etat moyen\n[3.00 - 4.00[ ➜ Etat médiocre\n≥ 4.00 ➜ Etat mauvais\n\nValeur Cuivre (µg/L):\n< 1.00➜ Très bon état\n[1.00 : 2.00[ ➜ Bon état\n[2.00 - 3.00[ ➜ Etat moyen\n[3.00 - 4.00[ ➜ Etat médiocre\n≥ 4.00 ➜ Etat mauvais\n\nValeur Nickel (µg/L):\n< 2.50➜ Très bon état\n[2.50 : 5.00[ ➜ Bon état\n[5.00 - 7.50[ ➜ Etat moyen\n[7.50 - 10.0[ ➜ Etat médiocre\n≥ 10.0 ➜ Etat mauvais\n\n\nValeur Plomb (µg/L):\n< 0.50➜ Très bon état\n[0.50 : 1.00[ ➜ Bon état\n[1.00 - 1.50[ ➜ Etat moyen\n[1.50 - 2.00[ ➜ Etat médiocre\n≥ 2.00 ➜ Etat mauvais\n\n\nValeur Zinc (µg/L):\n< 2.50➜ Très bon état\n[2.50 : 5.00[ ➜ Bon état\n[5.00 - 7.50[ ➜ Etat moyen\n[7.50 - 10.0[ ➜ Etat médiocre\n> 10.0 ➜ Etat mauvais\n\nLa valeur -99 correspond à un élément Non analysé\nLa valeur -10 correspond à un élément Non détecté", "geometryType": "esriGeometryPoint", "sourceSpatialReference": { "wkid": 2056, "latestWkid": 2056, "xyTolerance": 0.001, "zTolerance": 0.001, "mTolerance": 0.001, "falseX": -27386400, "falseY": -32067900, "xyUnits": 10000, "falseZ": 0, "zUnits": 1, "falseM": 0, "mUnits": 1 }, "copyrightText": "", "parentLayer": null, "subLayers": [], "minScale": 0, "maxScale": 0, "referenceScale": 0.0, "drawingInfo": { "renderer": { "type": "simple", "symbol": { "type": "esriSMS", "style": "esriSMSCircle", "color": [ 122, 42, 142, 255 ], "size": 4, "angle": 0, "xoffset": 0, "yoffset": 0, "outline": { "color": [ 0, 0, 0, 255 ], "width": 0.7 } } }, "scaleSymbols": true, "transparency": 0, "labelingInfo": null }, "defaultVisibility": true, "extent": { "xmin": 2485424.2331, "ymin": 1105850.3696, "xmax": 2511419, "ymax": 1135220.6424, "spatialReference": { "wkid": 2056, "latestWkid": 2056, "xyTolerance": 0.001, "zTolerance": 0.001, "mTolerance": 0.001, "falseX": -27386400, "falseY": -32067900, "xyUnits": 10000, "falseZ": -100000, "zUnits": 10000, "falseM": -100000, "mUnits": 10000 } }, "hasAttachments": false, "htmlPopupType": "esriServerHTMLPopupTypeAsHTMLText", "displayFieldExpressionInfo": { "expression": "\"\"", "title": "" }, "displayField": "CODEMESURE", "typeIdField": null, "subtypeFieldName": null, "subtypeField": null, "defaultSubtypeCode": null, "fields": [ { "name": "OBJECTID", "type": "esriFieldTypeOID", "alias": "OBJECTID", "domain": null }, { "name": "CODEMESURE", "type": "esriFieldTypeString", "alias": "CODEMESURE", "length": 15, "domain": null }, { "name": "NOM_STATION", "type": "esriFieldTypeString", "alias": "NOM_STATION", "length": 100, "domain": null }, { "name": "COURS_EAU", "type": "esriFieldTypeString", "alias": "COURS_EAU", "length": 254, "domain": null }, { "name": "LIEN_FICHE", "type": "esriFieldTypeString", "alias": "LIEN_FICHE", "length": 255, "domain": null }, { "name": "ANNEE", "type": "esriFieldTypeInteger", "alias": "ANNEE", "domain": null }, { "name": "NB_PRELEVEMENT", "type": "esriFieldTypeInteger", "alias": "NB_PRELEVEMENT", "domain": null }, { "name": "WORSTCASE", "type": "esriFieldTypeString", "alias": "WORSTCASE", "length": 50, "domain": null }, { "name": "DECLASSANT", "type": "esriFieldTypeString", "alias": "DECLASSANT", "length": 50, "domain": null }, { "name": "CR", "type": "esriFieldTypeDouble", "alias": "CR", "domain": null }, { "name": "CU", "type": "esriFieldTypeDouble", "alias": "CU", "domain": null }, { "name": "CD", "type": "esriFieldTypeDouble", "alias": "CD", "domain": null }, { "name": "NI", "type": "esriFieldTypeDouble", "alias": "NI", "domain": null }, { "name": "PB", "type": "esriFieldTypeDouble", "alias": "PB", "domain": null }, { "name": "ZN", "type": "esriFieldTypeDouble", "alias": "ZN", "domain": null }, { "name": "B", "type": "esriFieldTypeDouble", "alias": "B", "domain": null }, { "name": "AL", "type": "esriFieldTypeDouble", "alias": "AL", "domain": null }, { "name": "TI", "type": "esriFieldTypeDouble", "alias": "TI", "domain": null }, { "name": "V", "type": "esriFieldTypeDouble", "alias": "V", "domain": null }, { "name": "MN", "type": "esriFieldTypeDouble", "alias": "MN", "domain": null }, { "name": "FE", "type": "esriFieldTypeDouble", "alias": "FE", "domain": null }, { "name": "CO", "type": "esriFieldTypeDouble", "alias": "CO", "domain": null }, { "name": "AS_", "type": "esriFieldTypeDouble", "alias": "AS_", "domain": null }, { "name": "SE", "type": "esriFieldTypeDouble", "alias": "SE", "domain": null }, { "name": "RB", "type": "esriFieldTypeDouble", "alias": "RB", "domain": null }, { "name": "SR", "type": "esriFieldTypeDouble", "alias": "SR", "domain": null }, { "name": "MO", "type": "esriFieldTypeDouble", "alias": "MO", "domain": null }, { "name": "AG", "type": "esriFieldTypeDouble", "alias": "AG", "domain": null }, { "name": "SB", "type": "esriFieldTypeDouble", "alias": "SB", "domain": null }, { "name": "BA", "type": "esriFieldTypeDouble", "alias": "BA", "domain": null }, { "name": "CE", "type": "esriFieldTypeDouble", "alias": "CE", "domain": null }, { "name": "GD", "type": "esriFieldTypeDouble", "alias": "GD", "domain": null }, { "name": "W", "type": "esriFieldTypeDouble", "alias": "W", "domain": null }, { "name": "PT", "type": "esriFieldTypeDouble", "alias": "PT", "domain": null }, { "name": "TL", "type": "esriFieldTypeDouble", "alias": "TL", "domain": null }, { "name": "HG", "type": "esriFieldTypeDouble", "alias": "HG", "domain": null }, { "name": "U", "type": "esriFieldTypeDouble", "alias": "U", "domain": null }, { "name": "DISPLAY_FIELD", "type": "esriFieldTypeString", "alias": "DISPLAY_FIELD", "length": 50, "domain": null }, { "name": "SHAPE", "type": "esriFieldTypeGeometry", "alias": "SHAPE", "domain": null } ], "geometryField": { "name": "SHAPE", "type": "esriFieldTypeGeometry", "alias": "SHAPE" }, "indexes": [ { "name": "R3884588_SDE_ROWID_UK", "fields": "OBJECTID", "isAscending": true, "isUnique": true, "description": "" }, { "name": "A4341_IX1", "fields": "SHAPE", "isAscending": true, "isUnique": true, "description": "" } ], "subtypes": [], "relationships": [], "canModifyLayer": true, "canScaleSymbols": false, "hasLabels": false, "capabilities": "Map,Query,Data", "maxRecordCount": 4000, "supportsStatistics": true, "supportsExceedsLimitStatistics": true, "supportsAdvancedQueries": true, "supportedQueryFormats": "JSON, geoJSON, PBF", "isDataVersioned": false, "ownershipBasedAccessControlForFeatures": {"allowOthersToQuery": true}, "useStandardizedQueries": true, "supportedSpatialRelationships": [ "esriSpatialRelIntersects", "esriSpatialRelContains", "esriSpatialRelCrosses", "esriSpatialRelEnvelopeIntersects", "esriSpatialRelIndexIntersects", "esriSpatialRelOverlaps", "esriSpatialRelTouches", "esriSpatialRelWithin", "esriSpatialRelRelation" ], "advancedQueryCapabilities": { "useStandardizedQueries": true, "supportsStatistics": true, "supportsPercentileStatistics": true, "supportsHavingClause": true, "supportsOrderBy": true, "supportsDistinct": true, "supportsCountDistinct": true, "supportsAdvancedQueryRelated": true, "supportsQueryRelatedPagination": true, "supportsPagination": true, "supportsLod": false, "supportsQueryWithLodSR": false, "supportsTrueCurve": true, "supportsQueryWithDatumTransformation": true, "supportsReturningQueryExtent": true, "supportsQueryWithDistance": true, "supportsSqlExpression": true, "supportsTimeRelation": true, "supportsSqlFormat": false, "supportsQueryAnalytic": true, "supportsCurrentUserQueries": true }, "supportsDatumTransformation": true, "advancedQueryAnalyticCapabilities": { "supportsLinearRegression": true, "supportsAsync": false, "supportsPercentileAnalytic": true }, "dateFieldsTimeReference": null, "preferredTimeReference": null, "datesInUnknownTimezone": false, "hasMetadata": true, "isDataArchived": false, "archivingInfo": { "supportsQueryWithHistoricMoment": false, "startArchivingMoment": -1 }, "supportsCoordinatesQuantization": true, "supportsDynamicLegends": true, "serviceItemId": "55ae6468f0864d14b88ddcf75228883e" }