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Datasets / Pacific Islands Ocean Observing System (PacIOOS)

MAPCO2 Buoy: Kaneohe Bay CRIMP2, Oahu, Hawaii

Inorganic CarbonParticulate matterSea Surface SalinitySea Surface TemperaturePhytoplankton biomass and diversity

This buoy is located in Kaneohe Bay approximately 1.6 km (1 mi) offshore of Heeia State Park on the windward (eastern) coast of Oahu in the State of Hawaii. It is moored in shallow water less than 1 m deep. Data are recorded every 3 hours and transmitted daily. This Moored Autonomous Partial Pressure of Carbon Dioxide (MAPCO2) buoy was primarily established to monitor ocean acidification within a tropical coral reef ecosystem in the Central Pacific, complementing a national array of moored carbon dioxide buoys across the Pacific, Atlantic, and Caribbean. Other important physical parameters are also monitored to help provide early indications of run-off from land-based waterways such as streams and other outflows that lead directly into the ocean. The buoy is primarily funded by NOAA's Ocean Acidification Program and supported by NOAA's Pacific Marine Environmental Laboratory (PMEL). The University of Hawaii at Manoa supports the maintenance of the buoy and instrumentation. Data are managed by PMEL at the NOAA Western Regional Center in Seattle, Washington. PMEL enables data streaming into the PacIOOS website for visualization purposes only: the near real-time data have not been post-calibrated or quality controlled and are therefore not of the climate quality that PMEL is required to achieve. Only post-calibrated and quality-controlled data should be used for scientific publications and are available for download separately at the NOAA Ocean Carbon Data System (OCADS) website in a delayed-mode capacity.

Data and resources

Additional information

Temporal extent2008-06-11 – ongoing
Date (creation)2008-06-11
Date (revision)2008-06-11
Date (issued)2020-04-21
StatusonGoing
Update frequencyasNeeded
Metadata languageen
LicenseData are managed by NOAA Pacific Marine Environmental Laboratory (PMEL) at the NOAA Western Regional Center in Seattle, Washington. PMEL enables data streaming into the PacIOOS website for visualization purposes only: the near real-time data have not been post-calibrated or quality controlled and are therefore not of the climate quality that PMEL is required to achieve. Only post-calibrated and quality-controlled data should be used for scientific publications and are available for download separately at the NOAA Ocean Carbon Data System (OCADS) website in a delayed-mode capacity.
Source metadataISO 19115 XML
Last updated2026-11-04
Created2026-11-04
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