[Material Legacy] Support SPARC Group

[njlyon0]

Summary

The Material Legacy Effects SPARC group was funded in 2025 with their first in-person meeting taking place sometime in the following year. Tasks related to supporting this group will have the "story" type and--where possible--will be created as sub-issues of this issue.

Useful links

• GitHub repo: lter / lter-sparc-material-legacy
• Shared Drive: LTER-SPARC_Material-Legacy