Critics Challenge HadCRUT Global Temperature Accuracy
On March 23, 2024, Michael Limburg recounts an exchange with Grok arguing that global mean temperature is a statistical construct and not a thermodynamic quantity, and that HadCRUT’s published 95% confidence bands understate long-term systematic errors from homogenization, SST methods, and urban heat island effects. Limburg and other critics point to CERES Earth Energy Imbalance data as a more direct physical measure, warning that current anomaly presentations may obscure bias and shape public perception.
Scoring Rationale
Current opinion piece reiterates longstanding critiques about temperature averaging and HadCRUT uncertainty (moderate novelty). It has broad relevance for climate-data users but limited credibility as an opinion/dialogue with an AI and lacks peer-reviewed evidence, so score reflects medium impact and actionable suggestion to consult CERES data.
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Sources
- Read OriginalGrok on the Global Average Temperature as Defined by the Paris Agreement and on the Question: Is Temperature, as an Intensive Quantity, Averaging?wattsupwiththat.com
