{"id":19253260,"url":"https://github.com/dhi/watobs","last_synced_at":"2025-04-21T13:31:31.250Z","repository":{"id":38198581,"uuid":"480799899","full_name":"DHI/watobs","owner":"DHI","description":"WatObs - access water observation data","archived":false,"fork":false,"pushed_at":"2024-10-31T06:56:54.000Z","size":7047,"stargazers_count":2,"open_issues_count":2,"forks_count":2,"subscribers_count":3,"default_branch":"main","last_synced_at":"2025-04-20T11:18:05.190Z","etag":null,"topics":["currents","ocean","water","waves"],"latest_commit_sha":null,"homepage":"https://dhi.github.io/watobs/","language":"Jupyter 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Notebook","funding_links":[],"categories":[],"sub_categories":[],"readme":"![](https://github.com/DHI/WatObs/raw/main/images/logo_200px.png)\n\n\n# WatObs: Access Water Observation Data\n\nThis Python package gives you convenient access to water observation data with a bring-your-own-api-key concept. \n\n## Data overview\n\n* DHI satellite [altimetry data](https://altimetry.dhigroup.com/purchase)\n* Ocean Observations from [Danish Meteorological Institute](https://confluence.govcloud.dk/display/FDAPI/Danish+Meteorological+Institute+-+Open+Data)\n\n## Example notebooks\n\n* [Altimetry_data](https://github.com/DHI/WatObs/blob/main/notebooks/Altimetry_data.ipynb)\n* [DMI_observations](https://github.com/DHI/WatObs/blob/main/notebooks/DMI_observations.ipynb)\n\n## Satellite altimetry data \n\nAltimetry data (water level, significant wave height and wind speed) obtained from satellites are very useful for validation of models as the data are available globally since 1985 and up to 12 hour before now. \n\nDHI has an [altimetry portal](https://altimetry.dhigroup.com/purchase) with an [api](https://altimetry-shop-data-api.dhigroup.com/apidoc) where you can download the data. \n\n![](https://github.com/DHI/WatObs/raw/main/images/altimetry_overview.png)\n\n### Example\n\nObtain all altimetry data within 100km from (lon, lat)=(2.9, 55.9) from October 2019.\n\n```python\n\u003e\u003e\u003e from watobs import DHIAltimetryRepository\n\u003e\u003e\u003e repo = DHIAltimetryRepository(api_key)\n\u003e\u003e\u003e data = repo.get_altimetry_data(area=\"lon=2.9\u0026lat=55.9\u0026radius=100\", \n                                   start_time=\"2019-10-1\", \n                                   end_time=\"2019-11-1\")\n\u003e\u003e\u003e data.df[\"longitude\",\"latitude\",\"significant_wave_height\"].head()\n\n                         longitude   latitude  significant_wave_height\ndatetime                                                              \n2019-10-01 01:53:30.689   3.780429  55.203699                 1.942423\n2019-10-01 01:53:31.633   3.770297  55.260700                 1.892914\n2019-10-01 01:53:32.576   3.760148  55.317701                 1.838815\n2019-10-01 01:53:33.519   3.749980  55.374701                 1.930273\n2019-10-01 01:53:34.463   3.739795  55.431700                 1.952707\n```","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fdhi%2Fwatobs","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Fdhi%2Fwatobs","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fdhi%2Fwatobs/lists"}