thematicId large_stringlengths 4 42 ⌀ | DFDD large_stringclasses 2
values | NAM large_stringlengths 3 49 ⌀ | LAN large_stringclasses 41
values | REX large_stringclasses 104
values | HYP int16 -9,999 1 ⌀ | LOC int16 -9,999 44 ⌀ | FUN int16 -9,999 6 ⌀ | NVS int16 -9,999 5 ⌀ | AREA float64 12.8 5.81B ⌀ | ALTITUDE float64 -90.8 3.37k ⌀ | PERIMETER int32 18 16.9M ⌀ | WSO_ID int32 -9,999 2.3M ⌀ | UPSTR_AREA float64 -9,999 -9,999 ⌀ | SYSTEM_CD large_stringclasses 9
values | SEA_CD int32 -9,999 9 ⌀ | LKE_TYPE large_stringclasses 3
values | LAKID large_stringlengths 2 10 ⌀ | CCM_ID int32 -9,999 0 ⌀ | ERM_ID large_stringclasses 1
value | WINDOW int32 -9,999 10k ⌀ | OBJECT_ID large_stringlengths 10 10 | LAKOUT int16 0 63 ⌀ | LAKIN int16 0 655 ⌀ | AREA_GEO float64 12.8 860B ⌀ | INSPIRE_ID large_stringlengths 33 33 | geometry unknown | source_basin large_stringclasses 32
values |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
NO303-1102-L | BH000 | UNK | UNK | NO | 1 | 44 | 6 | 5 | 2,198,192.25 | 824.252014 | 15,763 | 1,034,722 | -9,999 | - | 0 | U | OE00074946 | 0 | UNK | 0 | IW41009314 | 1 | 3 | 2,198,191.020413 | EEA_EUHydro:IW41009314:2015-03-22 | [
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NO303-1104-L | BH000 | Forsvatnet | nor | NO | 1 | 44 | 6 | 3 | 993,500.4375 | 620.78302 | 5,176 | 1,034,722 | -9,999 | - | 0 | N | OE00073230 | 0 | UNK | 0 | IW41010882 | 1 | 2 | 993,500.861563 | EEA_EUHydro:IW41010882:2015-03-22 | [
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NO303-1105-L | BH000 | Langvatnet | nor | NO | 1 | 44 | 6 | 3 | 14,366,857 | 666.49646 | 34,820 | 1,034,722 | -9,999 | - | 0 | N | OE00073164 | 0 | UNK | 0 | IW41010931 | 1 | 7 | 14,366,856.717731 | EEA_EUHydro:IW41010931:2015-03-22 | [
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NO303-1106-L | BH000 | Geitvatnet | nor | NO | 1 | 44 | 6 | 3 | 9,837,878 | 709.880005 | 24,575 | 1,034,722 | -9,999 | - | 0 | N | OE00072968 | 0 | UNK | 0 | IW41010447 | 1 | 2 | 12,297,735.059052 | EEA_EUHydro:IW41010447:2015-03-22 | [
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NO303-1108-L | BH000 | UNK | UNK | NO | 1 | 44 | 6 | 5 | 1,822,861.625 | 719.091187 | 9,799 | 1,034,722 | -9,999 | - | 0 | U | OE00071983 | 0 | UNK | 0 | IW41010460 | 1 | 2 | 1,822,861.473679 | EEA_EUHydro:IW41010460:2015-03-22 | [
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NO303-1109-L | BH000 | Baugevatnet | nor | NO | 1 | 44 | 6 | 3 | 4,961,105 | 777.223999 | 29,171 | 1,041,261 | -9,999 | - | 0 | N | OE00073241 | 0 | UNK | 0 | IW41010890 | 1 | 0 | 4,961,105.369455 | EEA_EUHydro:IW41010890:2015-03-22 | [
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NO303-1111-L | BH000 | UNK | UNK | NO | 1 | 44 | 6 | 5 | 2,906,100.5 | 717.857056 | 9,880 | 1,034,722 | -9,999 | - | 0 | U | OE00067675 | 0 | UNK | 0 | IW41010381 | 1 | 2 | 2,906,100.647474 | EEA_EUHydro:IW41010381:2015-03-22 | [
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NO303-1113-L | BH000 | UNK | UNK | NO | 1 | 44 | 6 | 5 | 5,844,679.5 | 917.913025 | 27,705 | 1,034,722 | -9,999 | - | 0 | U | OE00074934 | 0 | UNK | 0 | IW41010888 | 1 | 3 | 5,844,673.965386 | EEA_EUHydro:IW41010888:2015-03-22 | [
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NO303-1115-L | BH000 | UNK | UNK | NO | 1 | 44 | 6 | 5 | 3,249,885.25 | 1,005.911987 | 12,440 | 1,034,722 | -9,999 | - | 0 | U | OE00074644 | 0 | UNK | 0 | IW41010896 | 1 | 1 | 3,249,884.816301 | EEA_EUHydro:IW41010896:2015-03-22 | [
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NO303-1116-L | BH000 | UNK | UNK | NO | 1 | 44 | 6 | 5 | 2,345,986.5 | 820.539978 | 8,377 | 1,034,722 | -9,999 | - | 0 | U | OE00073017 | 0 | UNK | 0 | IW41010457 | 1 | 2 | 2,345,986.541663 | EEA_EUHydro:IW41010457:2015-03-22 | [
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NO303-45427-L | BH000 | UNK | UNK | NO | 1 | 44 | 6 | 5 | 638,652.625 | 796.799988 | 3,783 | 1,034,722 | -9,999 | - | 0 | U | OE00065683 | 0 | UNK | 0 | IW41010351 | 1 | 0 | 638,652.568907 | EEA_EUHydro:IW41010351:2015-03-22 | [
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NO303-45443-L | BH000 | UNK | UNK | NO | 1 | 44 | 6 | 5 | 1,230,241.625 | 623.255005 | 10,592 | 1,034,722 | -9,999 | - | 0 | U | OE00073586 | 0 | UNK | 0 | IW41010341 | 1 | 2 | 1,230,241.641694 | EEA_EUHydro:IW41010341:2015-03-22 | [
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NO303-45556-L | BH000 | Jeknajauratj | swe/nor | NO/SE | 1 | 44 | 6 | 3 | 870,201.5 | 756.602966 | 4,495 | 1,034,722 | -9,999 | - | 0 | N | OE00147721 | 0 | UNK | 0 | IW41010856 | 1 | 0 | 870,200.85371 | EEA_EUHydro:IW41010856:2015-03-22 | [
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NO303-45857-L | BH000 | UNK | UNK | NO | 1 | 44 | 6 | 5 | 874,467.125 | 688.504028 | 10,247 | 1,034,722 | -9,999 | - | 0 | U | OE00067405 | 0 | UNK | 0 | IW41010057 | 1 | 2 | 874,467.259656 | EEA_EUHydro:IW41010057:2015-03-22 | [
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NO303-45877-L | BH000 | UNK | UNK | NO | 1 | 44 | 6 | 5 | 803,388.6875 | 612.478027 | 7,029 | 1,034,722 | -9,999 | - | 0 | U | OE00067893 | 0 | UNK | 0 | IW41009981 | 1 | 1 | 803,384.659552 | EEA_EUHydro:IW41009981:2015-03-22 | [
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NO303-45883-L | BH000 | UNK | UNK | NO | 1 | 44 | 6 | 5 | 521,029.15625 | 591.692993 | 4,145 | 1,034,722 | -9,999 | - | 0 | U | OE00067898 | 0 | UNK | 0 | IW41009976 | 1 | 1 | 521,029.092388 | EEA_EUHydro:IW41009976:2015-03-22 | [
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NO303-45963-L | BH000 | UNK | UNK | NO | 1 | 44 | 6 | 5 | 854,713.8125 | 963.960999 | 6,489 | 1,034,722 | -9,999 | - | 0 | U | OE00073075 | 0 | UNK | 0 | IW41009830 | 1 | 3 | 854,713.672928 | EEA_EUHydro:IW41009830:2015-03-22 | [
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NO303-46827-L | BH000 | UNK | UNK | NO | 1 | 44 | 6 | 5 | 1,226,504.5 | 1,041.840454 | 6,036 | 1,034,722 | -9,999 | - | 0 | U | OE00074637 | 0 | UNK | 0 | IW41009413 | 1 | 1 | 1,226,502.428593 | EEA_EUHydro:IW41009413:2015-03-22 | [
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NO303-46836-L | BH000 | UNK | UNK | NO | 1 | 44 | 6 | 5 | 1,137,093.375 | 725 | 6,274 | 1,034,722 | -9,999 | - | 0 | U | OE00073623 | 0 | UNK | 0 | IW41010298 | 1 | 0 | 1,137,092.753918 | EEA_EUHydro:IW41010298:2015-03-22 | [
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NO303-46848-L | BH000 | UNK | UNK | NO | 1 | 44 | 6 | 5 | 50,390.605469 | 942.506042 | 976 | 1,034,722 | -9,999 | - | 0 | U | OE00074934 | 0 | UNK | 0 | IW41009328 | 0 | 0 | 50,390.794703 | EEA_EUHydro:IW41009328:2015-03-22 | [
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NO303-48861-L | BH000 | UNK | UNK | NO | 1 | 44 | 6 | 5 | 752,422.75 | 800.916992 | 4,032 | 1,034,722 | -9,999 | - | 0 | U | OE00068540 | 0 | UNK | 0 | IW41010440 | 1 | 0 | 752,422.39044 | EEA_EUHydro:IW41010440:2015-03-22 | [
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NO303-48865-L | BH000 | UNK | UNK | NO | 1 | 44 | 6 | 5 | 498,488.3125 | 682.458008 | 5,295 | 1,034,722 | -9,999 | - | 0 | U | OE00073155 | 0 | UNK | 0 | IW41010441 | 1 | 1 | 498,488.075758 | EEA_EUHydro:IW41010441:2015-03-22 | [
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NO303-48953-L | BH000 | UNK | UNK | NO | 1 | 44 | 6 | 5 | 1,361,651.625 | 746.257019 | 5,527 | 1,034,722 | -9,999 | - | 0 | U | OE00071422 | 0 | UNK | 0 | IW41010406 | 1 | 0 | 1,361,652.166404 | EEA_EUHydro:IW41010406:2015-03-22 | [
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NO303-48973-L | BH000 | UNK | UNK | NO | 1 | 44 | 6 | 5 | 1,108,230.875 | 749.039001 | 6,437 | 1,034,722 | -9,999 | - | 0 | U | OE00073314 | 0 | UNK | 0 | IW41010414 | 1 | 1 | 1,108,230.820233 | EEA_EUHydro:IW41010414:2015-03-22 | [
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NO303-48979-L | BH000 | Baavrojavrre | swe/nor | NO/SE | 1 | 44 | 6 | 3 | 9,071,146 | 681.508972 | 41,226 | 1,034,722 | -9,999 | - | 0 | N | OE00147725 | 0 | UNK | 0 | IW41010929 | 1 | 4 | 9,071,145.275146 | EEA_EUHydro:IW41010929:2015-03-22 | [
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NO303-49057-L | BH000 | UNK | UNK | NO | 1 | 44 | 6 | 5 | 1,260,848.125 | 722.929993 | 6,490 | 1,034,722 | -9,999 | - | 0 | U | OE00072962 | 0 | UNK | 0 | IW41010463 | 1 | 2 | 1,260,847.799216 | EEA_EUHydro:IW41010463:2015-03-22 | [
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NO304-46528-L | BH000 | UNK | UNK | NO/SE | 1 | 44 | 6 | 5 | 1,367,331.375 | 899.250427 | 5,862 | 1,034,778 | -9,999 | - | 0 | U | OE00147716 | 0 | UNK | 0 | IW41009110 | 1 | 0 | 1,367,327.25233 | EEA_EUHydro:IW41009110:2015-03-22 | [
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NO306-42390-L | BH000 | UNK | UNK | NO | 1 | 44 | 6 | 5 | 1,298,957.625 | 617.379028 | 7,159 | 1,034,736 | -9,999 | - | 0 | U | OE00077521 | 0 | UNK | 0 | IW41019434 | 1 | 0 | 1,298,957.587279 | EEA_EUHydro:IW41019434:2015-03-22 | [
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NO307-1120-L | BH000 | UNK | UNK | NO | 1 | 44 | 6 | 5 | 1,814,133.75 | 918.811035 | 9,733 | 1,034,723 | -9,999 | - | 0 | U | OE00072845 | 0 | UNK | 0 | IW41016868 | 1 | 1 | 1,814,133.822629 | EEA_EUHydro:IW41016868:2015-03-22 | [
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NO307-1121-L | BH000 | UNK | UNK | NO | 1 | 44 | 6 | 5 | 1,848,964.875 | 849.988037 | 12,333 | 1,034,723 | -9,999 | - | 0 | U | OE00078468 | 0 | UNK | 0 | IW41016724 | 1 | 1 | 1,848,964.741284 | EEA_EUHydro:IW41016724:2015-03-22 | [
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NO307-1123-L | BH000 | Vektaren | nor | NO | 1 | 44 | 6 | 3 | 9,163,752 | 443.261993 | 41,261 | 1,034,723 | -9,999 | - | 0 | N | OE00079050 | 0 | UNK | 0 | IW41025029 | 1 | 9 | 9,163,751.646261 | EEA_EUHydro:IW41025029:2015-03-22 | [
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NO307-1124-1-L | BH000 | Hudningsvatnet | nor | NO | 1 | 44 | 6 | 3 | 6,745,381.5 | 463.524017 | 21,691 | 1,034,723 | -9,999 | - | 0 | N | OE00078335 | 0 | UNK | 0 | IW41023598 | 1 | 4 | 6,745,381.917851 | EEA_EUHydro:IW41023598:2015-03-22 | [
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End of preview. Expand in Data Studio
EU-Hydro Master Skeleton
Per-basin GeoParquet shards derived from the Copernicus EU-Hydro v1.3 GeoPackages. Four layers are published — river centerlines, river-surface polygons, inland-water polygons (lakes + wide waters), and river-basin polygons — all reprojected to a common CRS and stripped of admin-only columns for easier querying.
Contents
eu_hydro_master_skeleton_geoparquet/
├── river_lines/ # River_Net_l MultiLineString ~1.3 M features
├── river_polygons/ # River_Net_p MultiPolygon ~12 k features
├── inland_water/ # InlandWater MultiPolygon ~380 k features
├── river_basins/ # RiverBasins MultiPolygon ~100 features
└── manifest.csv # layer, file, source_basin, features
merge_euhydro.py # reproducer (extract zip → curate → GeoParquet)
Each subdirectory holds one shard per basin: euhydro_<basin>_v013.geoparquet. Shards are zstd-compressed and carry a source_basin column so you can concat them without losing provenance.
Layer quick reference
| Directory | Source layer | Geometry | Use case |
|---|---|---|---|
river_lines/ |
River_Net_l |
MultiLineString | Network topology, Strahler order, routing |
river_polygons/ |
River_Net_p |
MultiPolygon | Actual water-surface area of wide rivers — useful for satellite-image overlap (Sentinel-2 NDWI etc.) |
inland_water/ |
InlandWater |
MultiPolygon | Lakes, reservoirs, and any water body modelled as an area |
river_basins/ |
RiverBasins |
MultiPolygon | Catchment polygons for aggregating per-basin stats |
Common properties
- CRS:
EPSG:3035(ETRS89 / LAEA Europe) — units are metres, safe for area/length maths without reprojection. - Dimensions: 2D. Original Z/M values from EU-Hydro were dropped.
- Columns: admin-only fields (
BEGLIFEVER,ENDLIFEVER,UPDAT_BY,UPDAT_WHEN) were removed. All other source columns are preserved. - Excluded basins:
fr_guiana,fr_islands,iceland— non-continental or overseas.
One note: the hondo basin has no river_polygons/ shard. That's expected — the source GPKG's River_Net_p layer is empty for this basin (no rivers wide enough to be captured as an area).
Quick start
import geopandas as gpd
from huggingface_hub import hf_hub_download
path = hf_hub_download(
"cassini-team-todo/eu-hydro-master-skeleton",
"eu_hydro_master_skeleton_geoparquet/river_polygons/euhydro_shannon_v013.geoparquet",
repo_type="dataset",
)
shannon_polys = gpd.read_parquet(path)
print(shannon_polys.crs, shannon_polys.geom_type.unique(), len(shannon_polys))
Loading a whole layer across all basins:
from pathlib import Path
import geopandas as gpd, pandas as pd
from huggingface_hub import snapshot_download
local_root = Path(snapshot_download(
"cassini-team-todo/eu-hydro-master-skeleton",
repo_type="dataset",
allow_patterns="eu_hydro_master_skeleton_geoparquet/inland_water/*.geoparquet",
))
shards = sorted((local_root / "eu_hydro_master_skeleton_geoparquet" / "inland_water").glob("*.geoparquet"))
inland_eu = pd.concat([gpd.read_parquet(p) for p in shards], ignore_index=True)
Reproducing
The source GeoPackages aren't redistributable through this repo — download them from the Copernicus Land portal (EU-Hydro v1.3, per-basin GPKG zips). Place all euhydro_*_v013_GPKG.zip files in the same directory as merge_euhydro.py and run:
python merge_euhydro.py
This will extract each zip to a temp dir, read the four target layers with force_2d=True, drop admin columns, reproject any basin whose CRS differs from the first valid one, and write the output tree next to the script. A manifest.csv summarizing every shard is written at the end.
Source and licensing
- Source: Copernicus EU-Hydro v1.3 — https://land.copernicus.eu/en/products/eu-hydro
- License: Copernicus data is free and open (attribution required). This derived dataset is released under CC-BY-4.0; please cite Copernicus EU-Hydro in any downstream use.
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