Surface underway measurements of seawater and atmospheric fugacity of carbon dioxide (fCO2), durafet pH (on total scale), temperature and salinity from 11 trans-Pacific crossings onboard container ship Natalie Schulte in the Pacific Ocean from 2010-10-01 to 2012-06-21 (NCEI Accession 0108233)

This dataset contains data from underway fCO2 (seawater and atmospheric), ISFET-based pH (total scale), temperature and salinity measurements collected during container ship Natalie Schulte 11 trans-Pacific cruises in the Pacific Ocean as part of a ship-of-opportunity (SOOP) time-series. Cruise names and EXPOCODES: NS2010_09 (CYNS20101001), NS2010_11 (CYNS20101125), NS2011_03 (CYNS20110322), NS2011_05 (CYNS20110513), NS2011_07 (CYNS20110709), NS2011_09 (CYNS20110902), NS2011_11 (CYNS20111029), NS2012_01 (CYNS20120124), NS2012_02 (CYNS20120216), NS2012_04 (CYNS20120416), NS2012_06 (CYNS20120608). Since 1992, underway CO2 observations have been made between New Zealand and the U.S. West Coast. In 2010, ISFET-based pH measurements (total scale) were added to this equatorial Pacific SOOP-based time-series. All pH data, when available, are reported on the total scale and at SST. This effort was conducted with the support of NOAA's Ocean Observing and Monitoring Division in the Climate Program Office (CPO) and NOAA's Ocean Acidification Program (OAP).