Polaris
Provides infrastructure, test cases and analysis tasks related to the ocean, land-ice and sea-ice components of the Exascale Energy Earth System Model.
https://github.com/E3SM-Project/polaris
Category: Cryosphere
Sub Category: Sea Ice
Keywords from Contributors
climate climate-model e3sm climate-science snl-applications climate-analysis mpas mpas-analysis earth-science earth-system-model
Last synced: about 18 hours ago
JSON representation
Repository metadata
Testing and analysis for OMEGA, MPAS-Ocean, MALI and MPAS-Seaice
- Host: GitHub
- URL: https://github.com/E3SM-Project/polaris
- Owner: E3SM-Project
- License: bsd-3-clause
- Created: 2023-02-02T23:46:56.000Z (over 3 years ago)
- Default Branch: main
- Last Pushed: 2026-08-11T15:53:45.000Z (3 days ago)
- Last Synced: 2026-08-12T13:55:14.954Z (1 day ago)
- Language: Python
- Homepage:
- Size: 1.87 GB
- Stars: 10
- Watchers: 110
- Forks: 21
- Open Issues: 43
- Releases: 11
-
Metadata Files:
- Readme: README.md
- License: LICENSE
- Agents: AGENTS.md
- Claude: CLAUDE.md
- Copilot: .github/copilot-instructions.md
README.md
Polaris

Polaris provides infrastructure, test cases and analysis tasks related to the
ocean, land-ice and sea-ice components of the Exascale Energy Earth System
Model (E3SM).
Polaris requires Python 3.11 or newer.
Supported models include:
- Omega (in early stages of development)
- MPAS-Albany Land Ice (MALI)
- MPAS-Ocean
- MPAS-Seaice
Documentation
The latest Polaris documentation can be found here:
https://docs.e3sm.org/polaris/
Documentation on its predecessor, Compass, can be found here:
Owner metadata
- Name: Energy Exascale Earth System Model Project
- Login: E3SM-Project
- Email:
- Kind: organization
- Description: Repositories associated with the E3SM Project
- Website: http://e3sm.org
- Location:
- Twitter:
- Company:
- Icon url: https://avatars.githubusercontent.com/u/7558558?v=4
- Repositories: 75
- Last ynced at: 2024-06-05T19:09:59.048Z
- Profile URL: https://github.com/E3SM-Project
GitHub Events
Total
- Create event: 38
- Commit comment event: 1
- Release event: 4
- Delete event: 36
- Member event: 1
- Pull request event: 323
- Fork event: 3
- Discussion event: 2
- Issues event: 46
- Watch event: 4
- Issue comment event: 436
- Push event: 308
- Pull request review event: 254
- Pull request review comment event: 186
Last Year
- Delete event: 19
- Pull request event: 154
- Discussion event: 2
- Issues event: 31
- Issue comment event: 129
- Push event: 149
- Pull request review comment event: 65
- Pull request review event: 72
- Create event: 17
- Commit comment event: 1
Committers metadata
Last synced: 2 days ago
Total Commits: 2,541
Total Committers: 26
Avg Commits per committer: 97.731
Development Distribution Score (DDS): 0.425
Commits in past year: 1,235
Committers in past year: 18
Avg Commits per committer in past year: 68.611
Development Distribution Score (DDS) in past year: 0.457
| Name | Commits | |
|---|---|---|
| Xylar Asay-Davis | x****m@g****m | 1460 |
| Carolyn Begeman | c****n@l****v | 675 |
| Althea Denlinger | a****n@u****u | 87 |
| Andrew Nolan | a****n@l****v | 73 |
| Steven Brus | s****s@g****m | 54 |
| github-actions[bot] | 4****] | 49 |
| Youngsung Kim | y****2@g****m | 26 |
| katsmith133 | k****3@g****m | 25 |
| Jeremy Lilly | j****y@l****v | 22 |
| mark-petersen | m****n@l****v | 12 |
| dependabot[bot] | 4****] | 12 |
| Hyun Kang | k****h@o****v | 10 |
| copilot-swe-agent[bot] | 1****t | 9 |
| Alice Barthel | a****6@g****m | 8 |
| Youngsung Kim | k****y@o****v | 3 |
| Darin Comeau | d****u@l****v | 2 |
| Joseph H Kennedy | me@j****g | 2 |
| anthropic-code-agent[bot] | 2****e | 2 |
| lconlon | l****n@l****v | 2 |
| ftuser | f****r@l****v | 2 |
| Luke Van Roekel | l****l@g****m | 1 |
| Test User | s****k@e****m | 1 |
| Leann Conlon | a****n@b****v | 1 |
| Carolyn Begeman | c****n@x****v | 1 |
| Carolyn Begeman | c****n@a****v | 1 |
| Robert Jacob | j****b@a****v | 1 |
Committer domains:
- lanl.gov: 6
- ornl.gov: 2
- anl.gov: 1
- aurora-uan-0009.hostmgmt.cm.aurora.alcf.anl.gov: 1
- x4104c2s1b0n0.hostmgmt.cm.aurora.alcf.anl.gov: 1
- blueslogin1.lcrc.anl.gov: 1
- loft2003907.lanl.gov: 1
- jhkennedy.org: 1
- unm.edu: 1
Issue and Pull Request metadata
Last synced: 2 days ago
Total issues: 72
Total pull requests: 558
Average time to close issues: 29 days
Average time to close pull requests: 10 days
Total issue authors: 13
Total pull request authors: 16
Average comments per issue: 1.6
Average comments per pull request: 3.34
Merged pull request: 460
Bot issues: 1
Bot pull requests: 62
Past year issues: 42
Past year pull requests: 122
Past year average time to close issues: about 1 month
Past year average time to close pull requests: 10 days
Past year issue authors: 8
Past year pull request authors: 13
Past year average comments per issue: 1.55
Past year average comments per pull request: 4.46
Past year merged pull request: 83
Past year bot issues: 1
Past year bot pull requests: 21
Top Issue Authors
- cbegeman (25)
- xylar (21)
- sbrus89 (5)
- altheaden (5)
- alicebarthel (4)
- grnydawn (3)
- darincomeau (2)
- andrewdnolan (2)
- hyungyukang (1)
- jeremy-lilly (1)
- mark-petersen (1)
- dependabot[bot] (1)
- dylanschlichting (1)
Top Pull Request Authors
- xylar (314)
- altheaden (72)
- cbegeman (71)
- github-actions[bot] (49)
- dependabot[bot] (13)
- andrewdnolan (9)
- sbrus89 (5)
- jeremy-lilly (4)
- alicebarthel (3)
- Copilot (3)
- grnydawn (3)
- hyungyukang (3)
- darincomeau (3)
- mark-petersen (3)
- katsmith133 (2)
Top Issue Labels
- bug (29)
- ocean (18)
- enhancement (10)
- framework (9)
- deployment (5)
- cron (3)
- clean-up (3)
- documentation (3)
- mesh (2)
- e3sm/init (2)
- dependencies (2)
- unified-mesh (2)
- Omega PR required (1)
- github_actions (1)
- in progress (1)
- sea ice (1)
- utility (1)
Top Pull Request Labels
- ocean (186)
- enhancement (118)
- framework (109)
- bug (106)
- ci (79)
- deployment (78)
- clean-up (73)
- documentation (59)
- dependencies (39)
- Omega PR finished (36)
- utility (20)
- e3sm/init (16)
- E3SM PR finished (16)
- mesh (12)
- sea ice (12)
- Omega PR required (11)
- unified-mesh (6)
- github_actions (5)
- in progress (5)
- E3SM PR required (3)
- cron (1)
Dependencies
- actions/cache v3 composite
- actions/checkout v3 composite
- actions/setup-python v3 composite
- conda-incubator/setup-miniconda v2 composite
- fkirc/skip-duplicate-actions master composite
- pre-commit/action v3.0.0 composite
- actions/cache v3 composite
- actions/checkout v3 composite
- ad-m/github-push-action master composite
- conda-incubator/setup-miniconda v2 composite
- actions/checkout v7 composite
- ad-m/github-push-action master composite
- mamba-org/setup-micromamba v3 composite
- cartopy *
- cmocean *
- gsw *
- importlib-resources *
- ipython *
- jigsawpy *
- jupyter *
- lxml *
- matplotlib >=3.9.0
- netcdf4 *
- numpy >=2.0,<3.0
- progressbar2 *
- pyamg >=4.2.2
- pyproj *
- requests *
- ruamel-yaml *
- scipy >=1.8.0
- shapely >=2.0,<3.0
- termcolor *
- tranche >=0.3.0
- xarray *
Score: 7.228388451573604