Hazardous substance HOLAS 3 (Baltic Sea)
URL: https://maps.helcom.fi/website/MADS/download/?id=0fba7254-3146-4268-9e55-9a5ced6bd091
The layer depicts the pressure of hazardous substances in the Baltic Sea, based on the data from the HOLAS 3 integrated hazardous substances assessment. The methodology utilizes the integrated status values available for each HELCOM assessment unit on level 3.
The results are based on multiple hazardous substances groups integration, done through the CHASE tool. The integrated assessment assess the hazardous substances status in biota, water and sediment, and final result in based on the worst status.
As the SPIA is carried out using a 1x1km grid and the Integrated hazardous substances is assessed on vector-based HELCOM assessment units, the vector data is rasterized. First, the vector data is rasterized to 100x100m resolution, and thereafter it is aggregated to 10x10km grid using a mean value. A 10 km grid is used in order to make the gradients between assessment units slightly smoother and finally values are converted to 1x1 km resolution.
Please see "lineage" section below for further details.
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Mer information
| Fält | Värde |
|---|---|
| Data senast uppdaterad | 24 juli 2024 |
| Metadata senast uppdaterad | 26 november 2024 |
| Skapad | 24 juli 2024 |
| Format | SHP |
| Licens | Creative Commons Attribution |
| Id | 9117072b-db65-4152-854f-a62a83529165 |
| Mspkc resource type | GeospatialDataset |
| Package id | 343c20d9-b47d-4424-824c-8cabb55e1ada |
| State | active |
| Resource type | Geospatial dataset |