Author: Liz Perotti/Wednesday, August 31, 2022/
PMEL Sustained Investment Coastal Underway Ocean Acidification Observations (PUO)
Why we care
Underway ship measurements of ocean acidification (OA) data on ships of opportunity (SOOP) have proven to be a robust and cost-effective way of expanding OA observations. Ship-based observations provide an understanding of the spatial extent of processes that drive OA. Surface underway observations, in conjunction with coastal moorings and dedicated large-scale surveys, make an important contribution to addressing the hypothesis that acidification varies across space and time as a consequence of local and regional processes.
What we are doing
The focus of this project is to sustain existing underway OA monitoring systems on NOAA Ships Oscar Dyson and Bell M. Shimada, which operate along the U.S. West Coast. Project objectives also include sustaining underway OA observations in the equatorial Pacific, upgrading sensor systems, and improving oxygen data collection.
Benefits of our work
This project increases high-quality surface water OA data taken underway to accompany NOAA Fisheries cruises. Efforts also improve spatial and temporal coverage of OA measurements, improving our understanding of OA variability along the Pacific coast of North America.
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