Get Hydrography90m basin catchment by ID (live GISCO country lookup)
Queries the aqua.igb-berlin.de pygeoapi 'get-basin-polygon' process (Hydrography90m / GeoFRESH) for a single drainage basin by basin_id, fixes invalid geometries, reprojects to EPSG:3035, and determines the list of countries that catchment overlaps by intersecting it live against GISCO (Eurostat) country boundaries (R function 'get_specific_catchment') - no precomputed catchment-to-country mapping is used, unlike get-ecrins-catchment and get-hydrobasins-l7-catchment. basin_id is not restricted to a fixed range; any valid Hydrography90m basin_id can be requested.
human population use case AquaINFRA Hydrography90m GeoFRESH catchment river basin GISCO basin_id
| Id | Title | Data Type | Description |
|---|---|---|---|
| basin_id | Basin ID | integer | The Hydrography90m basin_id to retrieve (e.g. 1288419). Must be a positive integer; existence is validated live against the pygeoapi service, not against a fixed list. |
| Id | Title | Description |
|---|---|---|
| catchment | Catchment geometry | The retrieved Hydrography90m basin boundary (MULTIPOLYGON), reprojected to EPSG:3035, saved as a GeoPackage. |
| countries | Countries for catchment | The list of country codes that the requested catchment overlaps, determined live by intersecting the catchment geometry against GISCO (Eurostat) country boundaries. |
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