Update on CO2 readings commencing at Maunakea

Rob MonroeDaily Measurements, Measurement Notes

Ralph Keeling takes an air sample at Maunakea

(Above: Ralph Keeling takes an air sample at Maunakea Dec. 21, 2022) The Keeling Curve data stream was interrupted by the eruption of Mauna Loa on Nov. 28.  To help close this data gap, scientists at Scripps Institution of Oceanography at UC San Diego worked with partners from NOAA and the Maunakea Observatory partners to install a nearly-identical carbon dioxide … Read More

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