These data were collected from the west coast of Vancouver Island, between from 2008-06-01 to 2008-06-11, as part of the Line P Water Properties Survey led by Marie Robert. This cruise also contributes to the complete time series under NCEI #0110260. Discrete dissolved inorganic carbon (DIC), total alkalinity (TA), salinity and nutrient samples were taken from rosette casts with 10L Niskin bottles and analyzed at the Institute of Ocean Sciences. DIC/TA samples were placed in cool storage after collection and returned to the shore-based lab for analysis.The raw data and other supporting documents can be obtained from https://www.waterproperties.ca/.

This dataset consists of data collected during the CCGS John P. Tully cruise 2019.23 (EXPOCODE 18DD20190829) in the Salish Sea and off the west coast of Vancouver Island of the North American Pacific coast from 2019-08-29 to 2019-09-06 as part of the La Perouse Water Properties Survey. Discrete dissolved inorganic carbon (DIC), total alkalinity (TA), salinity, and nutrient samples were taken from rosette casts with 10L Niskin bottles and analysed at the Institute of Ocean Sciences. Discrete samples of dissolved oxygen were also collected and analysed onboard the vessel. CTD profiles were recorded with each rosette cast. DIC and TA samples were placed in cold storage for 1-4 weeks before analysis. A total of 61 DIC and TA pairs were sampled with a 22 percent replication rate. Replicates are not averaged in this dataset and appear individually, indicated by decimal sample ID's (e.g. 26.1, 26.2). The pooled standard deviations (of difference between replicate pairs) were calculated to be 6 umol/kg and 5 umol/kg respectively. Replicates with a QC flag = 3 were included in the pooled standard deviation calculation but replicate pairs with at least one QC flag = 4 (n = 1) were excluded.

This dataset includes chemical, discrete samples and profile observations data collected from Canadian Coast Guard Ship John P. Tully in the North Pacific Ocean, coastal upwelling region west of Vancouver Island, Canada from 1998-07-15 to 1998-07-23. These data include dissolved inorganic carbon (DIC), total alkalinity (TA), temperature, salinity, dissolved oxygen, silicate, nitrate and phosphate. The inner-shelf buoyancy current, the outer-shelf and the slope regions are contrasted for both wind regimes (up- and downwelling). Results show strong biological drawdown of the partial pressure of carbon dioxide (pCO2) in response to upwelling over the outer-shelf. In contrast, measured pCO2 is exceptionally high (pCO2>1000ppm) in the inner-shelf current, where biological uptake of carbon is consistently large. The biological C:N uptake ratio appears to increase when nitrogen becomes limiting (during downwelling), while the POC:PON ratio is relatively constant (slightly lower than the Redfield ratio) suggesting that excess carbon uptake does not go into the POC pool. As expected, large cells dominate where measured primary productivity is greatest. Sub-surface inorganic carbon (and pCO2) is high over the shelf. We suggest that carbon concentrations may be higher in coastal waters because of remineralization associated with high productivity that is confined to a smaller volume of water by bathymetry. At the coast these sub-surface concentrations are more efficiently mixed into the surface (especially during winter) relative to deeper offshore regions. Thus, despite high primary production, coastal waters may not aid in sequestration of atmospheric carbon.

This dataset consists of discrete profile measurements of dissolved inorganic carbon (DIC), total alkalinity (TALK), salinity, nutrients and temperature during the CCGS John P. Tully and CCGS Vector time series cruises in the Strait of Georgia (SoG) of the North American Pacific coast in 2003 and between 2010 and 2012. The SoG is a large semi-enclosed estuary that spatially dominates the Salish Sea on the North American Pacific coast. The region is well populated, harbors significant aquaculture, and is vulnerable to climate change. We present the first inorganic carbon data collected in the SoG covering all seasons (2003 and 2010–2012) and put them into the context of local circulation and oxygen cycles. Results show that the SoG has a higher carbon content and lower pH than surrounding waters. Aragonite saturation horizons in the SoG do not become deeper than 20–30 m and shoal to the surface for extended periods. Furthermore, incoming upwelled “acidified” water from the outer coast actually increases local pH. Finally, intense mixing in the physically restricted channels connecting the SoG to the outer coast allows significant oxygen uptake but minimal carbon dioxide (CO2) out gassing, protecting the SoG from hypoxia but not from ocean acidification.

This dataset consists of discrete profile measurements of dissolved inorganic carbon (DIC), total alkalinity (TA), water temperature, salinity, nutrients and dissolved oxygen during the CCGS Vector Water Properties Survey cruise 2014-50 (EXPOCODE 18VT20141027) in the Strait of Georgia, Juan de Fuca Strait of the North American Pacific coast from 2014-10-27 to 2014-10-30. The samples were taken from rosette casts with 10L Niskin bottles and analysed at the Institute of Ocean Sciences. Discrete samples of dissolved oxygen were also collected and analysed onboard the vessel. CTD profiles were recorded with each rosette cast. DIC and TA samples were placed in cold storage for 11 weeks before analysis. A total of 98 DIC and TA pairs were sampled with a 14 percent replication rate; and the pooled standard deviations (of difference between replicate pairs) were calculated to be 0.5 µmol/kg and 1.3 µmol/kg respectively. The Strait of Georgia Water Properties Survey is a regular sampling program of 3 - 4 cruises per year; and additional data from cruises under this program will be submitted in the future.

This dataset consists of discrete profile measurements of dissolved inorganic carbon (DIC), total alkalinity (TA), water temperature, salinity, nutrients and dissolved oxygen during the CCGS Vector Water Properties Survey cruise 2015-17 (EXPOCODE 18VT20150401) in the Strait of Georgia, Juan de Fuca Strait of the North American Pacific coast from 2015-04-01 to 2015-04-05. The samples were taken from rosette casts with 10L Niskin bottles and analyzed at the Institute of Ocean Sciences. Discrete samples of dissolved oxygen were also collected and analyzed onboard the vessel. CTD profiles were recorded with each rosette cast. DIC and TA samples were placed in cold storage for 5-6 weeks before analysis. A total of 76 DIC and TA pairs were sampled with a 17% replication rate; and the pooled standard deviations (of difference between replicate pairs) were calculated to be 0.9 µmol/kg and 2 µmol/kg respectively. The Strait of Georgia Water Properties Survey is a regular sampling program of 3 - 4 cruises per year; and additional data from cruises under this program will be submitted in the future.

Dissolved inorganic carbon (DIC), total alkalinity (TA), water temperature, salinity and other measurements collected from discrete samples and profile observations during the USCGC Healy RAPID cruise HLY2021 (EXPOCODE 32HQ20210901) in Davis Strait, North Atlantic Ocean from 2021-09-01 to 2021-10-02. At all stations, CTD casts were conducted, and discrete water samples were collected in Niskin bottles.

This dataset includes chemical data from discrete samples and accompanying physical data from a profiling CTD collected during the M/V Norseman II and M/V Tiglax Seward Line cruises N2S10 and TXF10 (EXPOCODEs: 32QO20100503 and 33A020100914) in the Gulf of Alaska, North Pacific Ocean from 2010-05-03 to 2010-09-18. These data include dissolved inorganic carbon (DIC), total alkalinity (TA), temperature, salinity, oxygen, nutrients (Nitrate, Nitrite, Phosphate, and Silicate) and other parameters. The cruise was funded by the North Pacific Research Board (NPRB), the National Oceanic and Atmospheric Administration (NOAA), the Alaska Ocean Observing System (AOOS), and the Exxon Valdez Oil Spill Trustee Council (EVOSTC). The carbon data were collected and analyzed by personnel at the Ocean Acidification Research Center (OARC) at the University of Alaska Fairbanks (UAF). The CTD operations on the cruise were managed by personnel from the College of Fisheries and Ocean Sciences (CFOS) at UAF. The nutrient data were analyzed by the Whitledge Laboratory at CFOS-UAF. Data files are in .csv format and titled with the ship code (e.g., TX), the season (S = Spring and F = Fall), and the year (e.g., 08-17).

This dataset includes discrete profile measurements of dissolved inorganic carbon (DIC), total alkalinity (TA), water temperature, salinity, dissolved oxygen, macronutrients, and oxygen isotopes measured during R/V Rachel Carson cruise RC0083 in the the Gulf of Alaska from 2022-08-11 to 2022-08-24. The cruise was funded by the National Oceanic and Atmospheric Administration (NOAA) Ocean Acidification Program (OAP). The carbonate system data were collected and analyzed by members at the Ocean Acidification Research Center (OARC) at the University of Alaska Fairbanks (UAF). The dissolved oxygen and macronutrient samples were analyzed by Calvin Mordy's group at UW CICOES and NOAA PMEL. The oxygen stable isotopes were analyzed at the Oregon State University Stable Isotope Lab. CTD operations were led by the chief scientist, Jessica Cross, and the ship's crew.