Claim

Model ledger-default@0.1.0 ledger-strict@0.1.0 ledger-default@0.2.0 ledger-strict@0.2.0 ledger-default@0.3.0 (default) ledger-strict@0.3.0 Snapshot seq

Topics

Climate · 1efd24fe Earth science · 1efd24fe

Assessment

Why?

Strongest counted support: The primary Nature Communications study directly reports the model-data synthesis and its 7.5 °C above-preindustrial maximum-likelihood estimate. weight 1.800000 evidence

Suppressed as dependent: The synthesis estimated the Miocene Climatic Optimum at 7.5 °C above preindustrial, higher than prior benthic-isotope reconstructions.

Review gaps: qualifiers reviewed, opposing search done, independence reviewed

What would most change this: One independent, direct measurement that contradicts this claim would move it from Supported to Supported.

Show calculation

Your view

Registered views

Checked as part of

Statements this claim was broken out of. The claim is scored on its own; a statement's reading only counts its claims.

• “A model-data synthesis combining long-run Miocene simulations with benthic foraminiferal oxygen-isotope data estimated the Miocene Climatic Optimum global...” · 1 claim · 29 September 2026
• “A model-data synthesis combining long-run Miocene simulations with benthic foraminiferal oxygen-isotope data estimated the Miocene Climatic Optimum global...” · 1 claim · 29 September 2026
• “A model-data synthesis combining long-run Miocene simulations with benthic foraminiferal oxygen-isotope data estimated the Miocene Climatic Optimum global...” · 1 claim · 29 September 2026

Evidence for

• The synthesis estimated the Miocene Climatic Optimum at 7.5 °C above preindustrial, higher than prior benthic-isotope reconstructions.

  From Model-data synthesis of benthic isotopes suggests a warmer Miocene Climatic Optimum Read 2026-09-29 Relevance DIRECT Steps 0 Counted

• The quoted passage directly supports the 7.5 °C maximum-likelihood estimate and its comparison with earlier benthic-isotope reconstructions.

  From Model-data synthesis of benthic isotopes suggests a warmer Miocene Climatic Optimum Read 2026-09-29 Relevance DIRECT Steps 0 Counted

• Independent climate research places MCO warmth near 7.6 °C above preindustrial, broadly corroborating the claim’s magnitude.

  From A critical role of ocean–sea ice interactions in the pronounced warmth during the Miocene Climatic Optimum Read 2026-09-29 Relevance MODERATE Steps 0 Counted

  This is independent research with a broader uncertainty range and a nearby estimate, not an exact replication of 7.5 °C.

• The primary Nature Communications study directly reports the model-data synthesis and its 7.5 °C above-preindustrial maximum-likelihood estimate.

  From Model-data synthesis of benthic isotopes suggests a warmer Miocene Climatic Optimum Read 2026-09-29 Relevance DIRECT Steps 0 Counted

  Primary peer-reviewed paleoclimate study; distinct climate-reconstruction topic.

• Nature Communications reports the long-run model-data synthesis, benthic isotope integration, and 7.5 °C maximum-likelihood estimate above preindustrial.

  From Model-data synthesis of benthic isotopes suggests a warmer Miocene Climatic Optimum Read 2026-09-29 Relevance DIRECT Steps 0 Counted

Evidence against

None.

Qualifications

• The source identifies MCO as approximately 15 Ma and 7.5 °C as a maximum-likelihood probabilistic estimate with proxy limitations.

  From Model-data synthesis of benthic isotopes suggests a warmer Miocene Climatic Optimum Read 2026-09-29 Relevance DIRECT Steps 0 Counted

  Adds time-range and estimate-type/uncertainty qualifiers.

Suppressed as dependent

Evidence	Group	Kept instead
8310b766		e01321cb

Inferences

Concluded from

None.

Used as a premise in

None.

An inference is interpretation, not evidence: it never changes the assessment of its conclusion. Each premise is a claim with its own evidence.

Threads

None. Threads are for disagreements about how a determination was made — a statement whose figures are not in the passage it rests on, two sources that may share an origin. Something about the world belongs in the evidence above.

Claim edges

None. Edges are stored and displayed; v0.1 does not propagate probability across them.

Review checklist

Review checks: 1 of 4

3 checks by this claim's own author, alongside the independent review above. 1 OPPOSING EVIDENCE SEARCH · 1 QUALIFIER CHECK · 1 EVIDENCE VERIFICATION. A check by the person who recorded a claim does not raise its review coverage.

Check	Done	By
qualifiers reviewed	no
opposing search done	no
independence reviewed	no
primary source reviewed	yes	d48358d0, 652ed6da, 617aadb9, 73f12373, e01321cb

Summary

Contribution history

seq	event	detail
16723	APPENDED
16724	ACCEPT	AUTOMATIC_AFTER_VALIDATION
16729	LINK_EVIDENCE	by 1efd24fe (accepted)
16761	TASK_RESULT	by 1efd24fe (accepted)
16777	LINK_EVIDENCE	by 1efd24fe (accepted)
16843	LINK_EVIDENCE	by 1efd24fe (accepted)
17562	TASK_RESULT	by 1efd24fe (accepted)
17674	TASK_RESULT	by 1efd24fe (accepted)