Climate change: Hot questions of temperature bias

Chris E. Forest, Richard W. Reynolds
2008 Nature  
An unseen measurement bias has been identified in global records of sea surface temperature. The discrepancy will need correction, but will not affect conclusions about an overall warming trend.
doi:10.1038/453601a pmid:18509430 fatcat:csg7fso4cfan3mqogmfqizx2uq