| DIC, TA, calculated pH and carbonate saturation state in the summer bottom water in North Gulf of Mexico from 2006 to 2017 | Calculated pH from DIC and TA
| pHcal |
| DIC, TA, calculated pH and carbonate saturation state in the summer bottom water in North Gulf of Mexico from 2006 to 2017 | NBS pH measured by electrode
| pHelec_NBS_at25 |
| DIC, TA, calculated pH and carbonate saturation state in the summer bottom water in North Gulf of Mexico from 2006 to 2017 | total scale pH measured by spectrometer
| pHspec_at25C |
| Data from two Antarctic krill (Euphausia superba) 24-hour feeding experiments under ambient temperature and pCO2, ambient temperature and elevated pCO2, and elevated temperature and pCO2. | pH determined spectrophotometrically from subsamples of seawater in each experimental bottle during the experiment
| spec_pH |
| Growth of Antarctic krill (Euphausia superba) from a 1-month experiment at ambient conditions, ambient temperature and elevated pCO2, or elevated temperature and elevated pCO2, Jan-Feb. 2015 | pH determined spectrophotometrically from subsamples of seawater from each bottle at the start of the experiment
| Spec_pH_Expt_start |
| Growth of Antarctic krill (Euphausia superba) from an experiment at two temperatures and three pH levels, Feb-Mar. 2015 | Targeted pH treatment; either 8.00; 7.50; or 7.10
| Treatment_Target_pH |
| DIC, TA, pH, DO from nGOM cruises conducted aboard the R/V Pelican throughout 2017, 2018 and July 2019. | NBS pH measured by electrode
| pHelec |
| Abalone consumption rates from experiment at the Sitka Sound Science Center (SSSC) from June-October 2017 (High latitude kelp dynamics project) | Categorical variable; pH treatments in experiment. FW = 7.5; CS = 8.1; CW = 7.8.
| pH |
| Abalone respiration rates from a fully factorial mesocosm experiment manipulating pH and diet from June to October 2017 (High latitude kelp dynamics project) | Categorical variable; pH treatments in experimentation. FW = 7.5; CS = 8.1; CW = 7.8
| pH |
| Absorption coefficients and fluorescence measurements from CTD bottle samples collected during the R/V Kilo Moana cruise KM1427 in the North Pacific Ocean in December of 2014 | pH
| pH |
| Aquaria water quality pH and dissolved oxygen measurements from full factorial study of Acropora cervicornis at Mote Marine Laboratory in Nov-Dec 2019 | pH in NBS scale units
| pH |
| Acropora cervicornis growth rates under different pH and temperature treatments from experiments at Summerland Key, Florida in September of 2016 | Treatment pH level; ambient = 8.1 pH; hCO2 = 7.7 pH
| pH |
| Acropora cervicornis growth rates under different pH and temperature treatments from experiments at Summerland Key, Florida in September of 2016 | Treatment pH level; ambient = 8.1 pH; hCO2 = 7.7 pH
| pH |
| Acropora cervicornis photosynthesis and respiration rates under different pH and temperature treatments from experiments at Summerland Key, Florida in September of 2016 | Treatment pH level; ambient = 8.1 pH; hCO2 = 7.7 pH
| pH |
| Treatment description and growth parameters for Thalassiosira weissflogii generating d13C-AA, collected on R/V Meteor M77 in the Peruvian ocean margin from November to December 2008. | pH initial value; free scale at 17 degrees Celsius
| pH_init |
| Treatment description and growth parameters for Thalassiosira weissflogii generating d13C-AA, collected on R/V Meteor M77 in the Peruvian ocean margin from November to December 2008. | pH term. Value; free scale at 17 degrees Celsius
| pH_term |
| Alkalinity and dissolved inorganic carbon (DIC) from sea water samples collected at coral reefs from equatorial central Pacific in 1973, 2012, 2015, and 2018 | pH
| pH |
| Allometric scaling of calcification data for Mytilus californianus from 2021-2022 (OA decoupling project) | Mean pH during incubation, total scale.
| ph |
| Hydrographic, nutrient, and carbonate system data from R/V Janan cruises in the Arabian Gulf in December 2018 and May 2019 | Calculated pH
| pH_calc |
| Phytoplankton and nutrients from R/V Sagar Kanya, R/V Sagar Sampada SK256, SS263, SS273, SS286 in the N. Arabian Sea from 2009-2011 (Arabian Sea Noctiluca project) | pH of seawater
| pH |
| Sediment geochemistry from push cores collected during HOV Alvin dives during the R/V Atlantis cruise AT42-05 in Guaymas Basin, Gulf of California (27 00.00 N, -111 20.00 W) in November 2018 | pH taken during porewater geochemistry processing; method detection limit = 0.05
| porewater_pH |
| Sediment geochemistry from push cores collected during HOV Alvin dives during the R/V Atlantis cruise AT42-05 in Guaymas Basin, Gulf of California (27 00.00 N, -111 20.00 W) in November 2018 | pH taken during core sectioning; method detection limit = 0.05
| sediment_pH |
| Geochemical measurements of CTD and Alvin Niskin samples collected in the Gulf of California on RV/Atlantis AT42-05 Alvin dives, Nov. 2018 | Water column pH; detection limit=0.05
| pH |
| CO2, temperature, and oxygen effects on Atlantic silverside metabolic rates | mean water pH
| mean_pH |
| Results from laboratory experiments testing autoinduction in marine diatoms, Thalassiosira pseudonana and Phaeodactylum tricornutum (PhytoplanktonQS project) | pH of the sample
| pH |
| Autonomously collected pH data from Narragansett Bay in 2022 and 2023 | pH measurement in total scale after QA/QC at in situ temperature (total scale, ±0.1 unit uncertainty)
| pH |
| Autonomously collected pH data from Narragansett Bay in 2022 and 2023 | pH measurement in total scale after QA/QC at 15°C ( total scale, ±0.1 unit uncertainty)
| pH_norm_15deg |
| pH
| ph |
| Benthic Ecosystem and Acidification Measuring System (BEAMS) data from two Bermuda sites collected during 2015 (BEAMS project) | in situ pH on the total hydrogen ion scale at 0.2 m above benthos
| pH_0_2m |
| Benthic Ecosystem and Acidification Measuring System (BEAMS) data from two Bermuda sites collected during 2015 (BEAMS project) | in situ pH on the total hydrogen ion scale at 0.4 m above benthos
| pH_0_4m |
| Benthic Ecosystem and Acidification Measuring System (BEAMS) data from two Bermuda sites collected during 2015 (BEAMS project) | in situ pH on the total hydrogen ion scale at 0.7 m above benthos
| pH_0_7m |
| Benthic Ecosystem and Acidification Measuring System (BEAMS) data from two sites on the western terrace of the Palmyra Atoll collected during 2014 (BEAMS project) | In situ pH on the total hydrogen ion scale; 3 x n matrix; data collected at 0.3m above the benthos.
| pH_0_3m |
| Benthic Ecosystem and Acidification Measuring System (BEAMS) data from two sites on the western terrace of the Palmyra Atoll collected during 2014 (BEAMS project) | In situ pH on the total hydrogen ion scale; 3 x n matrix; data collected at 0.5m above the benthos.
| pH_0_5m |
| Benthic Ecosystem and Acidification Measuring System (BEAMS) data from two sites on the western terrace of the Palmyra Atoll collected during 2014 (BEAMS project) | In situ pH on the total hydrogen ion scale; 3 x n matrix; data collected at 1.1m above the benthos.
| pH_1_1m |
| Benthic iron data on the Oregon Shelf from samples collected on R/V Oceanus cruise OC2107A during July to August 2021 | pH
| pH |
| Benthic macroalgal and water column carbon uptake rates in an experimental chamber, Maunalua, O’ahu, Hawai’i, 2015-2016 | pH of water inside the benthic chamber at the beginning of the experiment.
| ph_amb |
| Seawater chemistry and benthic metabolic rates as a function of coral cover from a mesocosm experiment conducted at the Bermuda Institute of Ocean Sciences in August 2012 | pH (total scale) calculated from in situ temperature, salinity, TA, and DIC
| pH_calc |
| Seawater chemistry and benthic metabolic rates as a function of coral cover from a mesocosm experiment conducted at the Bermuda Institute of Ocean Sciences in August 2012 | pH
| pH_ysi |
| Seawater chemistry and benthic metabolic rates as a function of coral cover from a mesocosm experiment conducted at the Hawaii Institute of Marine Biology in June 2016 | pH (total scale) calculated from in situ temperature, salinity, TA, and DIC
| pH_calc |
| Seawater chemistry and benthic metabolic rates as a function of coral cover from a mesocosm experiment conducted at the Hawaii Institute of Marine Biology in June 2016 | pH
| pH_ysi |
| Time series data from multiple instruments at 4 sites in Bermuda measured during September 2017 | pH, measured by Satlantic SeapHOx
| pH |
| Time series data from multiple instruments at 4 sites in Bermuda measured during September 2017 | pH flux
| pH_flux |
| In situ measurements used for coral and reef-scale calcification structural equation modeling including environmental and chemical measurements, and coral calcification rates in Bermuda from 2010 to 2012 (BEACON project) | Seawater pH
| pHsw |
| Processed CTD data from BH15-11 from R/V Blue Heron cruise BH15-11 in the western arm of Lake Superior in August 2015 | pH
| Ph |
| Underway data for Blue Heron cruise BH15-11 in the western arm of Lake Superior from August 2015 (Early Career Great Lakes research project, Novel Nutrient Paleoproxy project) | sea surface pH: The measure of the acidity or basicity of an aqueous solution
| pH_Avg |
| BioGeoChemistry from R/V Blue Heron BH07-09, BH07-17, BH07-19, BH08-01, BH08-11, BH08-19 in Lake Superior from 2007-2008 (CARGO project) | Hydrogen ion activity (pH)
| Probe_pH |
| Biogeochemical data collected during the Flower Garden Banks Rapid Response Cruise, FGB-RR16, on R/V Manta in the Flower Garden Banks National Marine Sanctuary from July to August 2016 | pH
| pH |
| Algae, bacteria, DOC, inorganic and organic nutrients collected from the Richard B Gump Research Station at Moorea LTER from 2010-2011 (MCR LTER and Coral DOM projects) | pH measured via Hach-Lange HQ40D handheld multimeter. (2010 data only.)
| pH |
| Morphometrics of black sea bass reared at contrasting pCO2 conditions in laboratory experiments conduced with embryos from adults collected in Long Island Sound in 2022 | Mean measured pH throughout the experiment
| Actual_pH |
| Morphometrics of black sea bass reared at contrasting pCO2 conditions in laboratory experiments conduced with embryos from adults collected in Long Island Sound in 2022 | Standard deviation from the mean pH
| pH_SD |
©2020 Biological and Chemical Oceanography Data Management Office.