Hydrocarbons (PAH) - Naphthalene (median values)
This API provides median concentration values for naphthalene, a polycyclic aromatic hydrocarbon (PAH), served as a WMS layer via a GeoServer instance maintained by the Hellenic Centre for Marine Research (HCMR). Data are published under the EMODNET_SHARED workspace, indicating relevance to European marine monitoring efforts. The dataset has national geographic scope for Greece and is accessible without authentication, supporting environmental monitoring, marine pollution assessment, and research into contaminant distribution in Greek coastal and marine waters.Hydrocarbons (PAH) - Naphthalene (median values)
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Data schema (6 fields)
Click a field to see example values.
| Field | Type | Description |
|---|---|---|
| the_geomThe geom | geometry | Geometric location point of the monitoring station.Geometric location point of the monitoring station. |
| LongitudeLongitude | double | Longitude coordinate of the monitoring location.Longitude coordinate of the monitoring location. |
| LatitudeLatitude | double | Latitude coordinate of the monitoring location.Latitude coordinate of the monitoring location. |
| median_valuesMedian values | double | Median measured naphthalene concentration at the location.Median measured naphthalene concentration at the location. |
| Matrix | string | Environmental medium sampled, such as water.Environmental medium sampled, such as water. |
| matrix | string | Environmental medium sampled, such as water.Environmental medium sampled, such as water. |
Schema captured from wfs 1 month ago.
Query the data
Pick columns and a sort, then fetch a live preview straight from the source. Choose an API-filterable column (marked ▾) under “Where” to pick from its list of values.
Sample data (3 records)
| Longitude | Latitude | median_values | Matrix |
|---|---|---|---|
| 30.772 | 46.438 | 0.00221 | Water |
| 30.768 | 46.427 | 0.001825 | Water |
| 31.007 | 46.646 | 0.00329 | Water |
Live sample captured at profiling time — values may have changed upstream.
Verification Status
Using the API
Query examples
curl -s 'https://geoserver.hcmr.gr/geoserver/EMODNET_SHARED/wfs?service=WFS&version=2.0.0&request=GetCapabilities#naphthalene_concentration_median_values_' -H 'Accept: application/json'List the feature types (layers) and supported operations.
Dataset
Volume & freshness
License
No license declared upstream.
Machine-readable & source
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