The Emergence Machine

Firn

physical · Geography · Level 6 · E0

E0Spacetime

Each concept here is mapped to its prerequisites — the ideas you'd need first to understand it — all the way down to four foundations: Space, Time, Energy, Pattern. Click any prerequisite to drill down, or scroll for the chain graph.

Trace. Question. Emerge.

Emergence definition

Firn forms when snow undergoes repeated freeze-thaw cycles and compaction, resulting in a consolidated granular state that is intermediate between snow and glacial ice, but this definition lacks a critical understanding of the underlying thermodynamic process.

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Wiktionary senses

External reference — all senses of the word “firn” on Wiktionary. This atlas concept maps to only the slice of meaning relevant to the prerequisite graph.

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Source: Wiktionary — “firn”. Content available under CC BY-SA 4.0.

Historical origin

Origin word
firn
Origin language
English

Prerequisite chain

Possible path of this concept down to the fundamental substrate.

thisfoundationsL9L8L7L6L5L2L1L0HazeParticleServingFirnFoodLightAnimalIcePerceptionSnow… intermediate l…ForceFormLifeMassActionChangeMatterMotionEnergyPatternSpaceTimeE1 concrete → E14 abstract

Neighborhood

Direct prerequisites above, concepts that depend on this one below.

thisprerequisitesFirnL6IceL5SnowL5E1 concrete → E14 abstract

In other languages

Prerequisites

What you need to understand first.

  • Ice L5 (requires)
    Polar feature requires ice concept
  • Snow L5 (requires) polysemous
    Consolidated granular snow that is intermediate between snow and glacial ice, formed through freeze-thaw cycles and compaction.