causal hypothesis · hyp_bi_local_environmental_contribution
Local environmental and hydrological contribution model
Hydrology, soil change and climate affected selected settlements and agricultural landscapes but operated through local exposure and adaptation rather than one universal shock.
Review and provenance
Specialist reviewer: not recorded. Review date: not recorded.
Dataset workflow: plausible regionally not universal. This is separate from specialist review.
Confidence describes the stated assessment; it does not certify expert approval. How review works.
Research assessment
statement
Hydrology, soil change and climate affected selected settlements and agricultural landscapes but operated through local exposure and adaptation rather than one universal shock.proposed mechanism
wetland-channel change; soil erosion and upland land-use feedback; local flooding or water-table change affecting settlement suitabilitymechanisms
- wetland-channel change
- soil erosion and upland land-use feedback
- local flooding or water-table change affecting settlement suitability
chronology test
The model predicts site-specific environmental effects with contrasting outcomes; Dartmoor continuity, Flag Fen Basin waterlogging and possible Runnymede hydrological stress fit this better than synchronous abandonment.geography test
Environmental effects should covary with local wetland, erosion, field-system and agricultural evidence rather than appear as the same island-wide response at the same date.important caveat
Proxy records are localResearch description
Proxy records are local
Evidence and sources
Supporting sources
- supports · tests hypothesis
What happened before the Middle Bronze Age land divisions and roundhouses? Prehistoric soil erosion and landscape change on Dartmoor, UK — Chris Carey, Kim Hunnisett, Richard Macphail, Lee Bray, Phil Toms, Jaime Wood, Andy Crabb (2024)Analyses sediments predating a roundhouse and reave at Holwell and finds local anthropogenic erosion both before and after formal land division.
Locator: Abstract; Holwell sequence; discussion and conclusion - supports · tests hypothesis
The Must Farm pile-dwelling settlement — Mark Knight, Rachel Ballantyne, Iona Robinson Zeki, David Gibson (2019)Publishes the exceptional Must Farm pile settlement, its earlier channel structures and the Flag Fen Basin palaeolandscape.
Locator: Abstract; palaeolandscape; earlier channel activity; discussion; conclusions; Figure 2 - supports · tests hypothesis
Runnymede Bridge Late Bronze Age waterfront settlement — Historic EnglandOfficial record for the excavated Runnymede Bridge waterfront settlement, metalworking and exchange evidence.
Locator: Location; Summary; Details; archaeological history
Contradicting sources
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Other source context
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