bcgov / bcgov/CCISS_Review

Expansion of Cw in the sub-boreal

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#30 1 comment 0 reactions 0 assignees View on GitHub
Species: Cw Type: BGC projection Type: Review
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Description

SEE ISSUE #21
**Large Cw feasibility increases in the sub-boreal (e.g., SBSmk1)**
• Driven by increasing temperatures and increasing precipitation (especially in spring and autumn)
• Ensemble is neutral to increasing precipitation
• Analogs are primarily ICHmw(2,3,5) and ICHdw4
• These are climates of the western Columbia mountains from Castlegar to Clearwater.
• Visualization in BGC3D indicates that these appear to be reasonable analogs

Will’s notes
• Cw doing ok in the SBSwk1
• Removing cold constraints and sufficient precipitation.
• Frost pooling likely a hazard. This would be a footnote. Across the board for any of these temperate species
• Recommend warm aspects, frost draining, in order to establish in current transitional climate.
![image](https://github.com/user-attachments/assets/f9af89db-614a-4965-bf6e-3cfa2b63d68d)

Neutral/increasing summer precipitation, with greater increases in precipitation in spring and autumn.
![image](https://github.com/user-attachments/assets/11e3b965-212d-473f-ab0d-d4a736cdebee)
![image](https://github.com/user-attachments/assets/deae11ab-7e12-42d1-aa47-57a8aa51cf07)
![image](https://github.com/user-attachments/assets/05189d07-e41a-44ae-ac41-34fd0e6f3c35)

**E.g. SBSmk1**
![image](https://github.com/user-attachments/assets/bdc33166-b088-4c01-8c86-74c5112a5648)
![image](https://github.com/user-attachments/assets/125c6fdd-051e-4702-8ea9-98671352d646)
![image](https://github.com/user-attachments/assets/3c59e903-fbac-400d-a103-516d42a5bd7a)

Contributor guide

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Research direction

Start by reading the referenced issue #21, then review the SBSmk1 evidence and the attached climate visualizations. The issue does not identify files, tests, or an implementation entry point; completion would require deciding and documenting the scope of Cw expansion and its constraints for the sub-boreal.

Written by the indexing model from the issue text.

Assessment

Domain
data
Issue type
Feature
Difficulty
5/5
Estimated time
Over a week
Activity status
Stale
Clarity
Needs clarification
Newbie friendliness
20/100

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