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GOMO-Funded Project

Ocean Acidification Observations in Alaska (Distributed Biological Observatory)

  • Principal Investigator(s):
    • Natalie Monacci
    • Simone Alin
    • Darren Pilcher
  • Project Institution(s): University of Alaska, Fairbanks
  • Fiscal Year: 2024
  • Award Period:
    07/01/2024 - 06/30/2025
  • Partners and Affiliations PMEL
  • Vessel Information:
    R/V Sikuliaq

Monitoring ocean acidification rates in the Alaskan Arctic

The Ocean Acidification Observations in Alaska (Distributed Biological Observatory) project aims to understand increased ocean acidification rates in Alaska by conducting a series of carbonate chemistry observations in the Pacific Arctic Region Distributed Biological Observatory (DBO), a network of rapidly changing and biologically important sites from the northern Bering Sea to the Arctic Ocean Basin. Long-term time series and continuous observations support several converging research efforts including assessing vulnerability of Alaskan coastal communities, economic impacts on Alaska fisheries, and establishing and tracking accelerated rates of change in the Pacific Arctic Region.

Project Gallery

UAF Oceanography PhD student Savannah Sandy with the profiling conductivity, temperature, and depth (CTD) package paired with a water sampling rosette on the R/V Sikuliaq.
Data is calculated from preliminary data of the discrete seawater sample analysis for dissolved inorganic carbon (DIC) and total alkalinity (TA). *2023 data are preliminary

Project Data

  • Project Datasets

    • Dissolved inorganic carbon (DIC) and total alkalinity (TA) and other hydrographic and chemical data collected from discrete sample and profile observations during the R/V Sikuliaq cruise SKQ202115s (EXPOCODE 33BI20211108) in the Bering and Chukchi Sea along transect lines in the Distributed Biological Observatory (DBO) from 2021-11-08 to 2021-11-16 (NCEI Accession 0278929) Access Data
    • Dissolved inorganic carbon (DIC) and total alkalinity (TA) and other hydrographic and chemical data collected from discrete sample and profile observations aboard the RV Sikuliaq Cruise SKQ202014S (EXPOCODE 33BI20201025) in the Bering and Chukchi Sea along transect lines in the Distributed Biological Observatory (DBO) from 2020-10-25 to 2020-11-11 (NCEI Accession 0252613) Access Data
    • Dissolved inorganic carbon (DIC) and total alkalinity (TA) and other hydrographic and chemical data collected from discrete sample and profile observations during the United States Coast Guard Cutter (USCGC) Healy cruise HLY1901 (EXPOCODE 33HQ20190806) in the Bering and Chukchi Sea along transect lines in the Distributed Biological Observatory (DBO) from 2019-08-06 to 2019-08-22 (NCEI Accession 0243277) Access Data
    • Dissolved inorganic carbon (DIC), total alkalinity (TA) and other parameters collected from discrete sample and profile observations during the USCGC Healy cruise HLY1801 (EXPOCODE 33HQ20180807) in the Bering Sea, Chukchi Sea and Beaufort Sea along transect lines in the Distributed Biological Observatory (DBO) from 2018-08-07 to 2018-08-24 (NCEI Accession 0221911) Access Data
    • Dissolved inorganic carbon (DIC), total alkalinity (TA) and other variables collected from discrete samples and profile observations from United States Coast Guard Cutter (USCGC) Healy cruise HLY1702 (EXPOCODE 33HQ20170826) in the Bering and Chukchi Sea along transect lines in the Distributed Biological Observatory (DBO) from 2017-08-26 to 2017-09-15 (NCEI Accession 0208337) Access Data

  • Saildrone Data (Surface Only)

    • Surface underway measurements of partial pressure of carbon dioxide (pCO2), sea surface temperature, sea surface salinity and other parameters from Autonomous Surface Vehicle (ASV) Saildrone 1020 (EXPOCODE 32DB20180630) in the North Pacific Ocean, Bering Sea, Chukchi Sea and Arctic Ocean from 2018-06-30 to 2018-10-06 (NCEI Accession 0237772) Access Data
    • Surface underway measurements of partial pressure of carbon dioxide (pCO2), sea surface temperature, sea surface salinity and other parameters from Autonomous Surface Vehicle (ASV) Saildrone 1033 (EXPOCODE 32DB20210808) in the North Pacific Ocean, Bering Sea from 2021-08-08 to 2021-10-07 (NCEI Accession 0283293) Access Data
    • Surface underway measurements of partial pressure of carbon dioxide (pCO2), sea surface temperature, sea surface salinity and other parameters from Autonomous Surface Vehicle (ASV) Saildrone 1034 (EXPOCODE 32DB20210808-2) in the North Pacific Ocean, Bering Sea from 2021-08-08 to 2021-10-08 (NCEI Accession 0283294) Access Data
    • Surface underway measurements of partial pressure of carbon dioxide (pCO2), sea surface temperature, sea surface salinity and other parameters from Autonomous Surface Vehicle (ASV) Saildrone 1033 (EXPOCODE 32DB20190514) in the North Pacific Ocean, Bering Sea, Chukchi Sea and Arctic Ocean from 2019-05-14 to 2019-10-11 (NCEI Accession 0237817) Access Data
    • Surface underway measurements of partial pressure of carbon dioxide (pCO2), sea surface temperature, sea surface salinity and other parameters from Autonomous Surface Vehicle (ASV) Saildrone 1034 (EXPOCODE 32DB20190514) in the North Pacific Ocean, Bering Sea, Chukchi Sea and Arctic Ocean from 2019-05-14 to 2019-09-09 (NCEI Accession 0237818) Access Data
    • Surface underway measurements of partial pressure of carbon dioxide (pCO2), sea surface temperature, sea surface salinity and other parameters from Autonomous Surface Vehicle (ASV) Saildrone 1021 (EXPOCODE 32DB20180630) in the North Pacific Ocean, Bering Sea, Chukchi Sea and Arctic Ocean from 2018-06-30 to 2018-09-25 (NCEI Accession 0237801) Access Data
    • Surface underway measurements of partial pressure of carbon dioxide (pCO2), sea surface temperature, sea surface salinity and other parameters from Autonomous Surface Vehicle (ASV) Saildrone 1002 (EXPOCODE 32DB20170716) in the North Pacific Ocean, Bering Sea, Chukchi Sea and Arctic Ocean from 2017-07-16 to 2017-08-25 (NCEI Accession 0237621) Access Data
    • Surface underway measurements of partial pressure of carbon dioxide (pCO2), sea surface temperature, sea surface salinity and other parameters from Autonomous Surface Vehicle (ASV) Saildrone 1003 (EXPOCODE 32DB20170717) in the North Pacific Ocean, Bering Sea, Chukchi Sea and Arctic Ocean from 2017-07-17 to 2017-09-29 (NCEI Accession 0237657) Access Data

Publications and Reports

  • Wang, H., Lin, P., Pickart, R. S., & Cross, J. N. (2022). Summer surface CO2 dynamics on the Bering Sea and eastern Chukchi Sea shelves from 1989 to 2019. Journal of Geophysical Research: Oceans, 127, e2021JC017424. https://doi.org/10.1029/2021JC017424Access