ERSEM
A marine biogeochemical and ecosystem model that describes the cycling of carbon, nitrogen, phosphorus, silicon, oxygen and iron through the lower trophic level pelagic and benthic ecosystems.
https://github.com/pmlmodelling/ersem
Category: Hydrosphere
Sub Category: Ocean Carbon and Temperature
Keywords from Contributors
biogeochemical-models coupling hydrodynamic-modeling
Last synced: about 6 hours ago
JSON representation
Repository metadata
European Regional Seas Ecosystem Model
- Host: GitHub
- URL: https://github.com/pmlmodelling/ersem
- Owner: pmlmodelling
- License: gpl-3.0
- Created: 2020-10-08T15:51:14.000Z (over 5 years ago)
- Default Branch: master
- Last Pushed: 2026-02-18T15:49:19.000Z (3 days ago)
- Last Synced: 2026-02-19T06:56:24.003Z (2 days ago)
- Language: Fortran
- Homepage:
- Size: 73.1 MB
- Stars: 28
- Watchers: 4
- Forks: 14
- Open Issues: 40
- Releases: 4
-
Metadata Files:
- Readme: README.md
- License: COPYING
- Zenodo: .zenodo.json
README.md
ERSEM

ERSEM is a marine biogeochemical and ecosystem model. It describes the
cycling of carbon, nitrogen, phosphorus, silicon, oxygen and iron through
the lower trophic level pelagic and benthic ecosystems.
- Installation Instructions: conda: https://ersem.readthedocs.io/en/latest/tutorials/index.html#conda-installation, source: https://ersem.readthedocs.io/en/latest/developers/index.html
- User Documentation & Example Usage: https://ersem.readthedocs.io/en/latest/
- Automated Tests: Run via GitHub Actions https://github.com/pmlmodelling/ersem/actions
- Acknowledgements: https://ersem.readthedocs.io/en/latest/acknowledgements.html
- License: https://ersem.readthedocs.io/en/latest/license.html
Support
We strongly encourage everyone using the ERSEM code to register as a user by filling a
short registration form.
We’d love to get a better understanding of who is using the ERSEM code and for what
applications, as it will help us to provide the best support to the user community.
It will also allow you to receive information and news on the latest model developments.
How to cite
To refer to ERSEM in publications, please cite:
Butenschön, M., Clark, J., Aldridge, J.N., Allen, J.I., Artioli, Y.,
Blackford, J., Bruggeman, J., Cazenave, P., Ciavatta, S., Kay, S., Lessin, G.,
van Leeuwen, S., van der Molen, J., de Mora, L., Polimene, L., Sailley, S.,
Stephens, N., Torres, R. (2016). ERSEM 15.06: a generic model for marine
biogeochemistry and the ecosystem dynamics of the lower trophic levels.
Geoscientific Model Development, 9(4), 1293–1339.
doi: 10.5194/gmd-9-1293-2016.
To refer specifically to the ERSEM source code, you may use its Zenodo DOI:
Owner metadata
- Name: Marine Systems Modelling group at the Plymouth Marine Laboratory
- Login: pmlmodelling
- Email:
- Kind: organization
- Description:
- Website: https://pml.ac.uk/science/Marine-Systems-Modelling
- Location:
- Twitter:
- Company:
- Icon url: https://avatars.githubusercontent.com/u/72567641?v=4
- Repositories: 9
- Last ynced at: 2023-03-08T17:25:19.708Z
- Profile URL: https://github.com/pmlmodelling
GitHub Events
Total
- Delete event: 13
- Pull request event: 3
- Fork event: 1
- Issues event: 11
- Watch event: 4
- Issue comment event: 1
- Push event: 18
- Pull request review event: 1
- Create event: 4
Last Year
- Delete event: 13
- Pull request event: 3
- Fork event: 1
- Issues event: 11
- Watch event: 3
- Issue comment event: 1
- Push event: 17
- Pull request review event: 1
- Create event: 4
Committers metadata
Last synced: 2 days ago
Total Commits: 768
Total Committers: 18
Avg Commits per committer: 42.667
Development Distribution Score (DDS): 0.569
Commits in past year: 85
Committers in past year: 6
Avg Commits per committer in past year: 14.167
Development Distribution Score (DDS) in past year: 0.412
| Name | Commits | |
|---|---|---|
| Jorn Bruggeman | j****r@p****k | 331 |
| Gennadi Lessin | g****e@p****k | 109 |
| Momme Butenschoen | m****m@p****k | 81 |
| Jorn Bruggeman | j****n@b****m | 77 |
| Rebecca Millington | c****3@g****m | 56 |
| Michael Wathen | m****n@g****m | 43 |
| Yuri Artioli | y****i@p****k | 27 |
| Michael Wathen | m****n@c****a | 17 |
| Rebecca Millington | r****i@s****k | 6 |
| jornbr | j****r@5****3 | 5 |
| Helen Powley | h****o@p****k | 4 |
| Karsten Bolding | b****d@d****k | 3 |
| Karsten Bolding | k****n@b****m | 3 |
| Helen Powley | h****o@p****k | 2 |
| James Clark | j****l@p****k | 1 |
| bolding | b****g@5****3 | 1 |
| Dr Jorn Bruggeman | j****r@e****) | 1 |
| Ricardo Torres | r****o@p****k | 1 |
Committer domains:
- pml.ac.uk: 7
- bolding-burchard.com: 2
- eslogin006.(none): 1
- pmpc1718.npm.ac.uk: 1
- dmu.dk: 1
- scyllalg01.head.cm.hpcm.npm.ac.uk: 1
- cs.ubc.ca: 1
Issue and Pull Request metadata
Last synced: 2 days ago
Total issues: 84
Total pull requests: 70
Average time to close issues: 5 months
Average time to close pull requests: about 1 month
Total issue authors: 7
Total pull request authors: 6
Average comments per issue: 0.29
Average comments per pull request: 0.96
Merged pull request: 54
Bot issues: 0
Bot pull requests: 0
Past year issues: 7
Past year pull requests: 7
Past year average time to close issues: 3 days
Past year average time to close pull requests: 3 days
Past year issue authors: 5
Past year pull request authors: 4
Past year average comments per issue: 0.0
Past year average comments per pull request: 0.57
Past year merged pull request: 1
Past year bot issues: 0
Past year bot pull requests: 0
Top Issue Authors
- wathen (47)
- glessin (15)
- yutiPML (7)
- jimc101 (5)
- r-millington (4)
- hpowley (4)
- jornbr (2)
Top Pull Request Authors
- wathen (47)
- glessin (8)
- yutiPML (8)
- hpowley (3)
- r-millington (2)
- jornbr (2)
Top Issue Labels
- documentation (31)
- bug (11)
- enhancement (9)
- good first issue (1)
- question (1)
- invalid (1)
Top Pull Request Labels
- documentation (1)
- bug (1)
Dependencies
- beautifulsoup4 *
- m2r2 *
- numpy *
- sphinx *
- sphinx-panels *
- sphinx_rtd_theme *
- sphinxcontrib-bibtex *
- actions/checkout v2 composite
- actions/setup-python v2 composite
Score: 7.1098794630722715