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

Assessment

Why?

Strongest counted support: The primary Nature Geoscience article directly reports that rain-induced dilution accounts for about two-thirds of additional ocean uptake through freshening-induced carbonate-system repartitioning. weight 1.800000 evidence

Suppressed as dependent: The study attributes about two-thirds of total additional rain-related ocean CO2 uptake to dilution-driven carbonate-system repartitioning.; The passage directly attributes about two-thirds of additional rain-driven ocean CO2 uptake to freshening-induced carbonate-system repartitioning.

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.

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

• “The Nature Geoscience analysis estimated that rain-induced dilution accounts for about two-thirds of the additional ocean CO2 uptake caused by rain, through...” · 1 claim · 29 September 2026
• “The Nature Geoscience analysis estimated that rain-induced dilution accounts for about two-thirds of the additional ocean CO2 uptake caused by rain, through...” · 1 claim · 29 September 2026
• “The Nature Geoscience analysis estimated that rain-induced dilution accounts for about two-thirds of the additional ocean CO2 uptake caused by rain, through...” · 1 claim · 29 September 2026

Evidence for

• The study attributes about two-thirds of total additional rain-related ocean CO2 uptake to dilution-driven carbonate-system repartitioning.

  From Global carbon dioxide flux into the surface ocean intensified by rain-induced dilution Read 2026-09-29 Relevance DIRECT Steps 0 Counted

• The supplementary analysis reinforces that rain dilution is a major modeled component of the rain-related global air–sea CO2 exchange estimate, while emphasizing uncertainty in current ocean carbon-sink quantification.

  From Supplementary Information: Global carbon dioxide flux into the surface ocean intensified by rain-induced dilution Read 2026-09-29 Relevance MODERATE Steps 0 Counted

  Supplementary information from the same study; it corroborates the modeled mechanism but is not an independent research lineage and does not restate the exact two-thirds figure.

• The primary analysis attributed about two-thirds of rain-related additional ocean CO2 uptake to dilution-driven carbonate-system repartitioning.

  From Global carbon dioxide flux into the surface ocean intensified by rain-induced dilution Read 2026-09-29 Relevance DIRECT Steps 0 Counted

  Independent primary source passage.

• The primary Nature Geoscience article directly reports that rain-induced dilution accounts for about two-thirds of additional ocean uptake through freshening-induced carbonate-system repartitioning.

  From Global carbon dioxide flux into the surface ocean intensified by rain-induced dilution Read 2026-09-29 Relevance DIRECT Steps 0 Counted

  The source exactly supports the two-thirds estimate and the freshening/carbonate-system mechanism.

• The passage directly attributes about two-thirds of additional rain-driven ocean CO2 uptake to freshening-induced carbonate-system repartitioning.

  From Global carbon dioxide flux into the surface ocean intensified by rain-induced dilution Read 2026-09-29 Relevance DIRECT Steps 0 Counted

  The proportion, uptake denominator, dilution mechanism, and carbonate-system process match.

Evidence against

None.

Qualifications

• The primary paper’s global flux map and summary use year-2000 inputs.

  From Global carbon dioxide flux into the surface ocean intensified by rain-induced dilution Read 2026-09-29 Relevance DIRECT Steps 0 Counted

  Material time-range qualifier: the reported global estimate is for year 2000 inputs.

• The primary paper’s precipitation inputs and analysis span 60°S–60°N.

  From Global carbon dioxide flux into the surface ocean intensified by rain-induced dilution Read 2026-09-29 Relevance DIRECT Steps 0 Counted

  Material spatial-scope qualifier: the analysis excludes latitudes outside 60°S–60°N.

• The primary paper explicitly says rain-dilution representation and its uncertainty remain poorly constrained.

  From Global carbon dioxide flux into the surface ocean intensified by rain-induced dilution Read 2026-09-29 Relevance DIRECT Steps 0 Counted

  Material model-uncertainty qualifier: dilution is model-dependent and not statistically robustly quantified.

Suppressed as dependent

Evidence	Group	Kept instead
612bece4		7d26fd4f
012a450a		7d26fd4f

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	fbee4ff1, a97e008a, 9026f91d, 7d26fd4f, 5a1a4ddc, d72c01f3, af849333, feb03844

Summary

Contribution history

seq	event	detail
18985	APPENDED
18986	ACCEPT	AUTOMATIC_AFTER_VALIDATION
18991	LINK_EVIDENCE	by 1efd24fe (accepted)
18999	LINK_EVIDENCE	by 1efd24fe (accepted)
19993	LINK_EVIDENCE	by 1efd24fe (accepted)
22525	TASK_RESULT	by 1efd24fe (accepted)
24312	TASK_RESULT	by 1efd24fe (accepted)
24858	TASK_RESULT	by 1efd24fe (accepted)