View In:
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Name: LCE_HYB_DC_MAJEURS
Display Field: codemesure
Type: Feature Layer
Geometry Type: esriGeometryPoint
Description: Cette couche contient les derniers résultats des stations évaluées à l'aide des nutriments. L'appréciation de la qualité des cours d'eau à l'aide des nutriments est guidée par le système modulaire gradué et permet de juger si les exigences chiffrées figurant dans l'annexe 2 de l'Ordonnance sur la protection des eaux (OEaux) sont respectées Méthodes d'analyse et d'appréciation des cours d'eau: Nutriments (OFEV)
Dans cette évaluation, cinq paramètres sont mesurés : le carbone organique dissous (COD), l'ammonium (N-NH4), le nitrite (N-NO2), le nitrate (N-NO3) et l'orthophosphate (P-PO4).
La catégorisation de la valeur annuelle, calculée à partir des concentrations mesurées, se distingue en 5 classes de qualité de très bonne à mauvaise.
Ces paramètres sont les témoins de pollution organique dans les milieux aquatiques (par exemple les effluents de STEP ou les pratiques agricoles)
Valeur COD (mg/L)
< 2.00➜ Très bon état
[2.00 - 4.00[ ➜ Bon état
[4.00 - 6.00[ ➜ Etat moyen
[6.00 - 8.00[ ➜ Etat médiocre
≥ 8.00 ➜ Etat mauvais
Valeur de l'ammonium (mg/L)
< 0.08➜ Très bon état
[0.08 - 0.40 [ ➜ Bon état
[0.40 - 0.60[ ➜ Etat moyen
[0.60 - 0.80[ ➜ Etat médiocre
≥ 0.80 ➜ Etat mauvais
Valeur du nitrite(mg/L)
< 0.05➜ Très bon état
[0.05 - 0.10 [ ➜ Bon état
[0.10 - 0.15[ ➜ Etat moyen
[0.15 - 0.20[ ➜ Etat médiocre
≥ 0.20 ➜ Etat mauvais
Valeur du nitrate (mg/L)
< 1.50➜ Très bon état
[1.50- 5.60 [ ➜ Bon état
[5.60 - 8.40[ ➜ Etat moyen
[8.40 - 11.2[ ➜ Etat médiocre
≥ 11.2 ➜ Etat mauvais
Valeur de l'orthophosate (mg/L)
< 0.02➜ Très bon état
[0.02 - 0.04 [ ➜ Bon état
[0.04 - 0.06[ ➜ Etat moyen
[0.06 - 0.08[ ➜ Etat médiocre
≥ 0.08 ➜ Etat mauvais
La valeur -99 correspond à un élément Non analysé
La valeur -10 correspond à un élément Non détecté
Service Item Id: 3191755f531b41569a18ab31f55eae7a
Copyright Text:
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MaxRecordCount: 2000
Supported Query Formats: JSON, geoJSON, PBF
Min Scale: 0
Max Scale: 0
Supports Advanced Queries: true
Supports Statistics: true
Can Scale Symbols: false
Use Standardized Queries: true
Supports ValidateSQL: true
Supports Calculate: true
Extent:
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YMin: 1105850.3696000017
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Spatial Reference: 2056
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Supports Query Analytic: true
Supports Query With Current User: true
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HTML Popup Type: esriServerHTMLPopupTypeAsHTMLText
Type ID Field:
Fields:
-
objectid
(
nullable: false, defaultValue: null, editable: false, length: 4, type: esriFieldTypeOID, modelName: objectid, alias: OBJECTID
)
-
codemesure
(
modelName: codemesure, nullable: true, editable: true, defaultValue: null, length: 15, alias: CODEMESURE, type: esriFieldTypeString
)
-
nom_station
(
modelName: nom_station, nullable: true, editable: true, defaultValue: null, length: 100, alias: NOM_STATION, type: esriFieldTypeString
)
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cours_eau
(
modelName: cours_eau, nullable: true, editable: true, defaultValue: null, length: 254, alias: COURS_EAU, type: esriFieldTypeString
)
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lien_fiche
(
modelName: lien_fiche, nullable: true, editable: true, defaultValue: null, length: 255, alias: LIEN_FICHE, type: esriFieldTypeString
)
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nb_prelevement
(
modelName: nb_prelevement, nullable: true, editable: true, defaultValue: null, alias: NB_PRELEVEMENT, type: esriFieldTypeInteger
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annee
(
modelName: annee, nullable: true, editable: true, defaultValue: null, alias: ANNEE, type: esriFieldTypeInteger
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worstcase
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declassant
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modelName: declassant, nullable: true, editable: true, defaultValue: null, length: 50, alias: DECLASSANT, type: esriFieldTypeString
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conductivite
(
modelName: conductivite, nullable: true, editable: true, defaultValue: null, alias: CONDUCTIVITE, type: esriFieldTypeDouble
)
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ph
(
modelName: ph, nullable: true, editable: true, defaultValue: null, alias: pH, type: esriFieldTypeDouble
)
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oxygene
(
modelName: oxygene, nullable: true, editable: true, defaultValue: null, alias: OXYGENE, type: esriFieldTypeDouble
)
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saturation
(
modelName: saturation, nullable: true, editable: true, defaultValue: null, alias: SATURATION, type: esriFieldTypeDouble
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alcalinite
(
modelName: alcalinite, nullable: true, editable: true, defaultValue: null, alias: ALCALINITE, type: esriFieldTypeDouble
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dbo
(
modelName: dbo, nullable: true, editable: true, defaultValue: null, alias: DBO, type: esriFieldTypeDouble
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-
cod
(
modelName: cod, nullable: true, editable: true, defaultValue: null, alias: COD, type: esriFieldTypeDouble
)
-
n_nh4
(
modelName: n_nh4, nullable: true, editable: true, defaultValue: null, alias: N_NH4, type: esriFieldTypeDouble
)
-
n_no2
(
modelName: n_no2, nullable: true, editable: true, defaultValue: null, alias: N_NO2, type: esriFieldTypeDouble
)
-
n_no3
(
modelName: n_no3, nullable: true, editable: true, defaultValue: null, alias: N_NO3, type: esriFieldTypeDouble
)
-
p_po4
(
modelName: p_po4, nullable: true, editable: true, defaultValue: null, alias: P_PO4, type: esriFieldTypeDouble
)
-
n_total
(
modelName: n_total, nullable: true, editable: true, defaultValue: null, alias: N_TOTAL, type: esriFieldTypeDouble
)
-
p_total
(
modelName: p_total, nullable: true, editable: true, defaultValue: null, alias: P_TOTAL, type: esriFieldTypeDouble
)
-
silice
(
modelName: silice, nullable: true, editable: true, defaultValue: null, alias: SILICE, type: esriFieldTypeDouble
)
-
chlorure
(
modelName: chlorure, nullable: true, editable: true, defaultValue: null, alias: CHLORURE, type: esriFieldTypeDouble
)
-
sulfate
(
modelName: sulfate, nullable: true, editable: true, defaultValue: null, alias: SULFATE, type: esriFieldTypeDouble
)
-
potassium
(
modelName: potassium, nullable: true, editable: true, defaultValue: null, alias: POTASSIUM, type: esriFieldTypeDouble
)
-
magnesium
(
modelName: magnesium, nullable: true, editable: true, defaultValue: null, alias: MAGNESIUM, type: esriFieldTypeDouble
)
-
calcium
(
modelName: calcium, nullable: true, editable: true, defaultValue: null, alias: CALCIUM, type: esriFieldTypeDouble
)
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display_field
(
modelName: display_field, nullable: true, editable: true, defaultValue: null, length: 50, alias: DISPLAY_FIELD, type: esriFieldTypeString
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sodium
(
modelName: sodium, nullable: true, editable: true, defaultValue: null, alias: SODIUM, type: esriFieldTypeDouble
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globalid
(
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Templates:
-
Name: LCE_HYB_DC_MAJEURS
Description:
Prototype:
conductivite: null
silice: null
sulfate: null
potassium: null
declassant: null
nb_prelevement: null
annee: null
saturation: null
p_po4: null
n_nh4: null
n_total: null
lien_fiche: null
p_total: null
calcium: null
chlorure: null
magnesium: null
display_field: null
worstcase: null
dbo: null
sodium: null
oxygene: null
cours_eau: null
ph: null
alcalinite: null
codemesure: null
cod: null
nom_station: null
n_no2: null
n_no3: null
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Supports ApplyEdits With Global Ids: true
Supports ApplyEdits By Upload Id: true
Supports Query With Historic Moment: false
Supports Coordinates Quantization: true
Child Resources:
Field Groups
  
Contingent Values
Supported Operations:
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Query Attachments
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Query Top Features
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Validate SQL
Generate Renderer
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Metadata
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