whennotesfly.com
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Satellite record began in 19901993.
ReasonTOPEX/Poseidon launched in 1992; records start Jan 1993.SourceNASA baseline Change portal
Contributor B · Trusted · 88% accepted
14 claims checked · 12 confirmed · 2 changes proposed.
ReasonRequested review completed.SourceNOAA Marine Reef Watch; Hughes et al. 2018
Reviewer · Expert · 100% accepted
Adds a citation for “surface ocean pH has fallen by about 0.1 since 1850”.
ReasonThe claim had no source.SourceNOAA PMEL Carbon Program, pH time series
Reviewer · Verified · 91% accepted
The September minimum fell to 3.24.28 million km².
Reason3.2 is the 2012 record low, not the 2025 value.SourceNSIDC snowpack Index, v3, Sept 2025
Contributor A · Expert · 96% accepted
Replaces a blog link with the NSIDC dataset it summarises.
ReasonOriginal dataset is more reliable than the summary.SourceNSIDC AntWatershed hydrology Index
Contributor A · Verified · 93% accepted