This dataset includes measurements of partial pressure of carbon dioxide (pCO2), sea surface salinity, sea surface temperature and other parameters collected in Sitka Harbor, Alaska, USA from 2017-06-01 to 2021-04-27. Sitka Tribe of Alaska’s Environmental Research Laboratory adjacent to Sitka Harbor, has been a site for shore-based and high-resolution measurement of surface seawater CO2 content since June 2017. Temperature, salinity, and CO2 partial pressure measurements are made near-continuously from a seawater sample line with an intake 50 m from shore and at a depth of 1 m in Sitka Harbor. The effort to collect these data is a collaboration between the Sitka Tribe of Alaska and the Hakai Institute with support from the Alaska Ocean Observing System

This dataset contains continuous pCO2, TCO2, pH, temperature and salinity data collected at a shore station instrument located at the Carlsbad Aquafarm in the Agua Hedionda Lagoon during from 2017-12-06 to 2018-12-06.

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This dataset consists of surface measurements of partial pressure of CO2 (pCO2), pH on total scale, water temperature, salinity, and other variables in the Casco Bay, Gulf of Maine from 2015-04-23 to 2020-06-12. The central goal of this project was to install continuous monitoring sensors in Casco Bay to measure ocean and coastal acidification parameters at high temporal resolution. The system was installed at the Southern Maine Community College (SMCC) pier in South Portland, Maine. The pier is located in the Portland Channel, an important southern outlet of Casco Bay, and near outlets of the Fore and Presumpscot rivers in a relatively urban area of Casco Bay. This location was selected because it is nearshore, accessible, and has historic nutrient data collected by the Friends of Casco Bay. Sensors for temperature/conductivity/salinity, dissolved oxygen, pH and pCO2 were mounted to a ‘lander’ frame, which was lowered via davit to the bottom. Sensor data were thus collected approximately 1m from the bottom, and at varying depth depending on the tide.

This database contains information from one primary project a Southeast Alaska (SEAK) environmental monitoring study. It also includes support analyses for Kodiak crab studies (larvae, seawater), and miscellaneous ancillary studies: 1) a bottle storage experiment, 2) a diurnal carbon study, 3) and a euphausiid (krill) study.

This dataset contains oceanographic and surface meteorological data in netCDF formatted files, which follow the Climate and Forecast metadata convention (CF) and the Attribute Convention for Data Discovery (ACDD). Sanibel-Captiva Conservation Foundation River, Estuary and Coastal Observing Network, collected the data from their in-situ Shell Point station in the Coastal Waters of Florida and North Atlantic Ocean. Southeast Coastal Ocean Observing Regional Association (SECOORA), which assembles data from Sanibel-Captiva Conservation Foundation River, Estuary and Coastal Observing Network, and other sub-regional coastal and ocean observing systems of the Southeast United States, submitted the data to NCEI as part of the Integrated Ocean Observing System Data Assembly Centers (IOOS DACs) Data Stewardship Program. NCEI updates this dataset when new files are available.

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This dataset includes discrete, profile dissolved inorganic carbon, total alkalinity, water temperature and salinity measurements collected and assembled from a number of cruises on many different ships for the California Cooperative Oceanic Fisheries Investigations program (CalCOFI) in the North East Pacific Ocean Coastal area from 1983-03-19 to 2021-07-20 by the Scripps Institution of Oceanography (SIO). The data were assembled from four distinct datasets on SIO campus and were quality controlled based on observed trends, using World Ocean Circulation Experiment (WOCE) flagging routines.

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This dataset includes discrete sample and profile data collected during the CCGS John Cabot and Oceans Canada (DFO) Atlantic Zone Monitoring Program (AZMP) cruise (EXPOCODE 18KF20230720) in the North Atlantic Ocean and Labrador Sea from 2023-07-20 to 2023-08-01. These data include water temperature, salinity, dissolved oxygen, nutrients, dissolved inorganic carbon (DIC), total alkalinity (TA), pH, and other parameters. Oceanographic sampling of physical, biological, and chemical parameters is performed annually along selected fixed sections as part of the AZMP. The sampling consists at a minimum of a vertical profile of the entire water column (temperature; salinity; dissolved oxygen); rosette bottle casts at selected depths (nutrients; DIC and TA; and other biological parameters) as well as plankton net tows. The AZMP was implemented in 1998 with the aim of increasing DFO's capacity to understand, describe, and forecast the state of the marine ecosystem and to quantify the changes in the ocean physical, chemical, and biological properties. Ocean acidification is an emerging priority for DFO under the Aquatic Climate Change Adaption Services Program (ACCASP) and is developing the knowledge-based information necessary to support the development of adaptation tools and strategies and investing in science to better understand the specific consequences of a changing climate. Specifically, the effects of ocean acidification on ecosystems in the Northwest Atlantic and large aquatic basin risk assessments consider ocean acidification at the basin and sub-basin scale are being investigated.