Data sources

Every place, river, lake, island and headland Fulmaire knows comes from government and open data. These are the people who made it, and the licences they share it under. Thank you to all of them.

Ireland

County boundaries: Tailte Éireann / Ordnance Survey Ireland, National Statutory Boundaries. Licensed under CC-BY 4.0.
Named rivers, lakes, transitional and coastal waters: Environmental Protection Agency (EPA) Ireland, Water Framework Directive waterbodies. Licensed under CC-BY 4.0.

United Kingdom

Counties, unitary authorities and council areas, and the coastline and islands of Great Britain: Source: Office for National Statistics licensed under the Open Government Licence v3.0. Contains OS data © Crown copyright and database right.
Named rivers in Great Britain: Ordnance Survey, OS Open Rivers. Contains OS data © Crown copyright and database right. Licensed under the Open Government Licence v3.0.
Northern Ireland's counties, coastline and islands: Land & Property Services / OSNI Open Data. Contains public sector information licensed under the Open Government Licence v3.0.
Rivers and loughs in Northern Ireland: Department of Agriculture, Environment and Rural Affairs (DAERA) and NIEA. Contains public sector information licensed under the Open Government Licence v3.0; contains Ordnance Survey of Northern Ireland information.

Everywhere

Named lakes: HydroLAKES, HydroSHEDS (WWF / Bernhard Lehner). Licensed under CC BY 4.0. Messager, M.L., Lehner, B., Grill, G., Nedeva, I., Schmitt, O. (2016), Estimating the volume and age of water stored in global lakes using a geo-statistical approach, Nature Communications 7: 13603.
Countries, regions and atlas-scale waters: Natural Earth. Public domain.
Island, headland, bay and lighthouse names, and place names for forecasts: GeoNames (geonames.org). Licensed under CC-BY 4.0.
Lighthouses: Wikidata (wikidata.org), CC0. The US National Geospatial-Intelligence Agency's List of Lights, Pub. 114, public domain.
Water seen from space: JRC Global Surface Water. Source: EC JRC/Google. Pekel, J.-F., Cottam, A., Gorelick, N., Belward, A. S. (2016) High-resolution mapping of global surface water and its long-term changes. Nature 540, 418–422.
Land cover: ESA WorldCover 10 m 2021 v200. © ESA WorldCover project 2021 / Contains modified Copernicus Sentinel data (2021) processed by ESA WorldCover consortium. Licensed under CC-BY 4.0.
Paddles may include data from Garmin devices.

The background map

Basemap © OpenMapTiles, data © OpenStreetMap contributors, served by OpenFreeMap. The same credit is on the map itself, behind the ⓘ in its corner.

Forecasts and river levels

Each forecast and river level carries its own credit underneath it: Met Éireann, the Marine Institute, MET Norway, the E.U. Copernicus Marine Service, Open-Meteo, the UK Hydrographic Office, the Office of Public Works, the Environment Agency, SEPA and Natural Resources Wales.