The 2022 eruption of the Mauna Loa volcano cut off road access to the Mauna Loa Baseline Observatory. Construction on the temporary Mauna Loa Access road was completed on 26 March, 2026.
At this time, there is no site access for the general public to the Mauna Loa Observatory and NOAA has not yet established a public opening date. GML and scientific partners are working together to bring mission critical scientific projects back online. It is still unclear when utility infrastructure will be replaced and power re-established to the site.
We will provide another update as more information becomes available.
Media contact: Theo Stein at (303) 819-7409 or theo.stein@noaa.gov.
Organization(s):
National Oceanic and Atmospheric Administration
(NOAA), Earth System Research Laboratory (ESRL)
Network For the Detection of Atmospheric Composition Change
(NDACC)
National Institute of Water and Atmospheric Research
(NIWA)
What does this program measure?
The Bromine Oxide (BrO) monitor measures the zenith skylight between 340 and 390 nm. This instrument is also used to monitor Chlorine Dioxide (OCLO).
How does this program work?
Shown Below, the Nitrogen Dioxide and Bromine Oxide sensor covers on the Mauna Loa Sun Deck, where solar radiation is measured.
Why is this research important?
In order to carry out continuous monitoring of BrO at MLO.
Are there any trends in the data?
How does this program fit into the big picture?
What is it's role in global climate change?
Comments and References
Lead Investigator(s):
Paul V. Johnston (NIWA)
011-643-440-0429
MLO Contact(s):
Paul Fukumura
808-933-6965 (x223)
Dr. John E. Barnes
808-933-6965 (x222)
Web Site(s)
www.niwa.co.nz
gml.noaa.gov/grad/
uv.html
Date Started
July 9, 1996
Related Programs
Photographs:
