PecanProject/sipnet
Simplified Photosynthesis and Evapotranspiration Model: process-based ecosystem model for simulating carbon and water fluxes.
Is PecanProject/sipnet beginner-friendly?
In the last 30 days, PecanProject/sipnet merged 5 of 11 pull requests from outside contributors, and its maintainers usually reply within 2 days. 2 beginner-friendly issues are open now.
- Stars
- 42
- Forks
- 38
- Open beginner issues
- 2
- Indexed issues
- 30
- Avg merge
- 3d 21h
- Merged PRs (30d)
- 10
- Dominant language
- C
- License
- BSD-3-Clause
- Last GitHub push
- Oct 3, 2026
- Latest indexed
- Oct 14, 2026
- Contributing guide
- Contributing guide
- Code of conduct
- Code of conduct
- Beginner labels
- good first issue
How to contribute to PecanProject/sipnet
- Read the contributing guide first: it says how the maintainers want changes proposed, tested and reviewed.
- Read its code of conduct: it covers issues and pull requests as well as chat.
- Your contributions will be published under the project's BSD-3-Clause license.
- Pick one of the 2 open beginner-friendly issues below and comment that you want to work on it before you start.
Issues somebody may already be working on are listed last. List everything by date
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Difficulty 2/5 1-3 hours Newbie friendliness 68/100
PecanProject/sipnet#435 · 1 comment ·
Maintainers usually reply within 2 days
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Remove unused `Tracker` fieldsMay be free again @ANAMASGARD claimed this 10 days ago, and no pull request is open. Opengood first issue on hold
Difficulty 4/5 3-5 days Newbie friendliness 45/100
PecanProject/sipnet#430 · 1 comment · 1 reaction ·
Maintainers usually reply within 2 days
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Allow selecting output columns with --outvarsMay be free again @abhinav-phi claimed this 9 days ago, and no pull request is open. Opengood first issue
Difficulty 4/5 3-5 days Newbie friendliness 48/100
PecanProject/sipnet#413 · 4 comments ·
Maintainers usually reply within 2 days
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Organic amendment carbon needs a quality partition; event orgC enters the litter pool as fresh residueMay be free again @coder-Yash886 claimed this 32 days ago, and no pull request is open. Open
Difficulty 4/5 3-5 days Newbie friendliness 18/100
PecanProject/sipnet#396 · 5 comments ·
Maintainers usually reply within 2 days
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Make sure that documentation of sipnet.out header reflects implementationMay be free again @ANAMASGARD claimed this 152 days ago, and no pull request is open. Opendocumentation good first issue
Difficulty 2/5 1-3 hours Newbie friendliness 65/100
PecanProject/sipnet#345 · 8 comments · 1 reaction ·
Maintainers usually reply within 2 days
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Clarify SIPNET wood-storage bookkeeping around harvest and outputsMay be free again @Alomir claimed this 196 days ago, and no pull request is open. Open
PecanProject/sipnet#328 · 1 comment · 1 assignee ·
Maintainers usually reply within 2 days
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Difficulty 5/5 Over a week Newbie friendliness 8/100
PecanProject/sipnet#323 · 2 comments ·
Maintainers usually reply within 2 days
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Big output values crowd out other columnsMay be free again @ANAMASGARD claimed this 203 days ago, and no pull request is open. Opengood first issue
Difficulty 3/5 1-2 days Newbie friendliness 45/100
PecanProject/sipnet#304 · 9 comments ·
Maintainers usually reply within 2 days
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on hold
Difficulty 5/5 Over a week Newbie friendliness 12/100
PecanProject/sipnet#289 ·
Maintainers usually reply within 2 days
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Add range constraints to model inputs and throw error for out of range inputsMay be free again @Nitir4 claimed this 32 days ago, and no pull request is open. Opengood first issue
Difficulty 4/5 3-5 days Newbie friendliness 30/100
PecanProject/sipnet#278 · 4 comments ·
Maintainers usually reply within 2 days
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Finish full N CycleMay be free again @Alomir claimed this 367 days ago, and no pull request is open. OpenMAGiC
PecanProject/sipnet#181 · 1 assignee ·
Maintainers usually reply within 2 days
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MAGiC N cycle
Difficulty 4/5 3-5 days Newbie friendliness 30/100
PecanProject/sipnet#88 ·
Maintainers usually reply within 2 days
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Event checks ignore every events.in record after the firstPossibly taken @ANAMASGARD claimed this 10 days ago. Open
Difficulty 3/5 1-2 days Newbie friendliness 70/100
PecanProject/sipnet#429 · 3 comments · 1 assignee ·
Maintainers usually reply within 2 days
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Events: revamp handling of "big delta" events to post-pool-updatePossibly taken @Alomir claimed this 12 days ago. Open
PecanProject/sipnet#423 · 1 assignee ·
Maintainers usually reply within 2 days
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Missed event across a year boundary silently blocks later eventsPossibly taken @ANAMASGARD claimed this 12 days ago. Open
Difficulty 3/5 1-2 days Newbie friendliness 73/100
PecanProject/sipnet#421 · 4 comments · 1 assignee ·
Maintainers usually reply within 2 days
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Checkpoint write failures silently return successPossibly taken @ANAMASGARD claimed this 12 days ago. Open
Difficulty 3/5 1-2 days Newbie friendliness 76/100
PecanProject/sipnet#420 · 3 comments · 1 assignee ·
Maintainers usually reply within 2 days
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Remove "clamping" from balance checksPossibly taken @priyanshusky0 claimed this 12 days ago. Open
Difficulty 3/5 1-2 days Newbie friendliness 68/100
PecanProject/sipnet#416 · 3 comments · 1 assignee ·
Maintainers usually reply within 2 days
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Implement H2O balance checkingPossibly taken @ANAMASGARD claimed this 158 days ago. Open
PecanProject/sipnet#310 · 4 comments · 1 reaction · 1 assignee ·
Maintainers usually reply within 2 days
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Add issue template for github issuesPossibly taken @ayushman1210 claimed this 202 days ago. Opengood first issue
PecanProject/sipnet#296 · 7 comments · 1 assignee ·
Maintainers usually reply within 2 days
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Revamp russell_4 unit testPossibly taken @AritraDey-Dev claimed this 169 days ago. Openon hold
Difficulty 3/5 1-2 days Newbie friendliness 40/100
PecanProject/sipnet#290 · 1 comment ·
Maintainers usually reply within 2 days