Note on Pause in Daily Readings

Rob MonroeDaily Measurements, Measurement Notes

Readings of CO2 from Mauna Loa have been unavailable for two weeks. According to technicians with the Scripps CO2 Group, the problem is a disk failure that handles the data buffering, which has broken the data stream and valve switching that impacts daily calibration.  The air data are recoverable, because the computer onboard the actual instrument is still working and … Read More

What Does This Number Mean?

Rob MonroeMeasurement Notes

Repost of April 2013 entry The Mauna Loa carbon dioxide (CO2) record, also known as the “Keeling Curve,” is the world’s longest unbroken record of atmospheric carbon dioxide concentrations.