{"schemaVersion":"1.0","generatedAt":"2026-09-22","licence":{"status":"not-yet-granted","spdx":null,"statement":"No licence has yet been granted for SmellBook-created datasets. They are publicly readable; reuse beyond citation and quotation needs permission until a licence is published."},"node":{"entityType":"claim","urn":"smellbook:claim:monoterpenes-from-pines-through-the-seasons","key":"monoterpenes-from-pines-through-the-seasons","label":"Monoterpenes from pines through the seasons","description":"Over a full growing cycle, monoterpenes made up more than 95% of the volatile emissions from the branches of conifers including ponderosa and bristlecone pine; monoterpene emissions depended on temperature in the short term, and basal emission rates were generally higher in spring and summer than in winter.","scope":"Branch-enclosure measurements on four named conifer species (and two deciduous species not covered here); it describes emissions, not forest air as people smell it.","evidenceClass":"scientific","canonicalUrl":"https://smellbook.com/evidence/claims/monoterpenes-from-pines-through-the-seasons","attribution":"SmellBook (https://smellbook.com)"},"outgoing":[{"relation":"cites-source","label":"cites source","entity":"smellbook:source:seasonal-terpene-emissions-of-trees-2013","entityLabel":"Seasonal trends of biogenic terpene emissions","record":"/data/graph/source/seasonal-terpene-emissions-of-trees-2013.json","provenance":[{"basis":"claim-record","field":"verifiedClaims[CLM-PINEFOREST-001].sourceIds","evidenceClass":"editorial"}]},{"relation":"claim-about","label":"claim about","entity":"smellbook:smell:pine-forest","entityLabel":"Pine Forest","record":"/data/graph/smell/pine-forest.json","provenance":[{"basis":"claim-record","field":"verifiedClaims[CLM-PINEFOREST-001].smellSlugs","evidenceClass":"editorial"}]}],"incoming":[],"corrections":[],"citation":null,"boundary":"Edges are typed and unweighted; none is a similarity, recommendation or personalization score. Browser-local Personal SmellBook data is never part of this export."}