2010 is now the warmest year on record, according to HadCRUT.
The BBC reports:
Researchers have updated HadCRUT – one of the main global temperate records, which dates back to 1850.
One of the main changes is the inclusion of more data from the Arctic region, which has experienced one of the greatest levels of warming.
Another change is the way sea surface temperature (SST) is recorded, accounting for technological advances now available to researchers.
The update is reported in the published in the Journal of Geophysical Research.
Despite the revisions, the overall warming signal has not changed. The scientists say it has remained at about 0.75C (1.4F) since 1900.
However, the amendments have resulted in a change in the dataset’s “warmest year on record”.
Previously, it was 1998. However, the revised data now lists 2010 as the warmest, with 1998 recorded as the third warmest…