An instrument that measures the hydrogen ion activity in solutions.
The overall concentration of hydrogen ions is inversely related to its pH. The pH scale ranges from 0 to 14 and indicates whether acidic (more H+) or basic (less H+).
Dataset Name | PI-Supplied Description | PI-Supplied Name |
---|---|---|
Physical environmental data from Little Lagoon, Alabama collected from 2012-2013. | Used to determine pH | pH sensor |
Acropora cervicornis growth rates under different pH and temperature treatments from experiments at Summerland Key, Florida in September of 2016 | Mettler Toledo SevenGo Pro | |
Acropora cervicornis growth rates under different pH and temperature treatments from experiments at Summerland Key, Florida in September of 2016 | Mettler Toledo SevenGo Pro | |
Acropora cervicornis photosynthesis and respiration rates under different pH and temperature treatments from experiments at Summerland Key, Florida in September of 2016 | Mettler Toledo SevenGo Pro | |
Experimental results of calcification rates of algae at variable pCO2 concentrations from the Richard B Gump Research Station, Moorea, French Polynesia in 2011 (MCR LTER project, OA_Corals project) | pH Sensor | |
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. | Used to measure pH | pH sensor |
Amino acid d13C values of Thalassiosira weissflogii of ten different treatments; collections from R/V Meteor M77 in the Peruvian ocean margin from November to December 2008. | Used to measure pH | pH sensor |
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 | Oakton, Prod. No. 35634-50 and a Ross electrode (Thermo Fisher, Prod. No. 8103BNUWP) | |
Geochemical measurements of CTD and Alvin Niskin samples collected in the Gulf of California on RV/Atlantis AT42-05 Alvin dives, Nov. 2018 | Orion 4 Star Meter (Thermo Fisher, Prod. No. 1116000) and a Ross electrode (Thermo Fisher, Prod. No. 8103BNUWP) | |
Hatching count and survival statistics of Atlantic silverside (Menida menidia) larvae reared under ambient or hypoxia/acidification treatments during cross-generational laboratory experiments in 2022 | The mixing tank received a continuous flow of ambient seawater, with DO, pH, and temperature measurements taken every 10 seconds by Pyroscience® Ultra Compact (PICO) DO and pH meters, fitted with fiberoptic DO or pH sensors and PT100 temperature sensors. Calibration of the probes was performed weekly according to the manufacturer's guidelines using oxygen and pHT calibration solutions provided by Pyroscience®. | |
Hatching count and survival statistics of Atlantic silverside (Menida menidia) larvae reared under ambient or hypoxia/acidification treatments during cross-generational laboratory experiments in 2022 | pH conditions were verified via a Hach HQ11D pH meter fitted with a Hach PHC28101 IntelliCal pH probe. The probe was calibrated daily using pHT buffers from PyroScience®. | |
Morphological measurements of Atlantic silverside (Menidia menidia) larvae reared under ambient or hypoxia/acidification treatments during cross-generational laboratory experiments in 2022 | The mixing tank received a continuous flow of ambient seawater, with DO, pH, and temperature measurements taken every 10 seconds by Pyroscience® Ultra Compact (PICO) DO and pH meters, fitted with fiberoptic DO or pH sensors and PT100 temperature sensors. Calibration of the probes was performed weekly according to the manufacturer's guidelines using oxygen and pHT calibration solutions provided by Pyroscience®. | Pyroscience® Ultra Compact (PICO) pH meter |
Morphological measurements of Atlantic silverside (Menidia menidia) larvae reared under ambient or hypoxia/acidification treatments during cross-generational laboratory experiments in 2022 | pH conditions were verified via a Hach HQ11D pH meter fitted with a Hach PHC28101 IntelliCal pH probe. The probe was calibrated daily using pHT buffers from PyroScience®. | Hach PHC28101 IntelliCal pH probe |
CO2, temperature, and oxygen effects on Atlantic silverside metabolic rates | The following pH sensors were used: Orion Ross Ultra pH/ATC Triode with Orion Star A121 pH Portable Meter,Thermo Fisher Scientific®, Waltham, MA, USA. Intellical PHC281 pH Electrode with HQ11D Handheld pH/ORP Meter, Hach®, Loveland, CO, USA. Hach® pHD digital electrode. | pH sensors |
Mean d15N of individual amino acids and bulk organic matter for five plankton size fractions | Used to measure pH | pH sensor |
Results from laboratory experiments testing autoinduction in marine diatoms, Thalassiosira pseudonana and Phaeodactylum tricornutum (PhytoplanktonQS project) | Accuracy to 2 decimal places. | ThermoScientific Orion Star LogR |
Benthic Ecosystem and Acidification Measuring System (BEAMS) data from two Bermuda sites collected during 2015 (BEAMS project) | ||
Benthic Ecosystem and Acidification Measuring System (BEAMS) data from two sites on the western terrace of the Palmyra Atoll collected during 2014 (BEAMS project) | Used by the Benthic Ecosystem and Acidification Measuring System (BEAMS) | autonomous pH sensor |
Benthic macroalgal and water column carbon uptake rates in an experimental chamber, Maunalua, O’ahu, Hawai’i, 2015-2016 | Used to measure pH in the experimental chamber. | Thermo Scientific Orion Star A329 portable meter |
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) | ||
All discrete TA/DIC samples from 2008-2012 collected from Bowdoin Buoy Mooring in the Lower Harpswell Sound, Casco Bay, Maine from 2011-2012 | TAlk and pH of unfiltered water were simultaneously measured by the same instrument, and thus pH and TAlk measurements are both based on the same pH electrode. The pH electrode used in the TAlk titration was an Orion 3-Star (Thermo Fisher Inc.). | pH Sensor |
Calcification data from the coral A. pulchra and alga L. kotschyanum under 2 pCO2 levels, 5-6 temperature treatments, and two different seasons (austral summer and spring) in 2010 (OA coral adaptation project) | Orion 3-stars, Thermo Scientific, USA, mounted with a combination pH probe (Orion Ross Ultra, Thermo Scientific, USA) | |
Calcification rates of communities and sediment in a flume from Richard B Gump Research Station - Moorea LTER, French Polynesia from 2013 (MCR LTER project, OA_Corals project) | Portable pH meter (Orion 3-stars, Thermo-Scientific, USA) fitted with a DG 115-SC pH probe (Mettler Toledo, Switzerland) | portable pH meter & probe |
Carbon and nitrogen data from kelp determined during seasonal global change experiments examining the effects of seasonal variation in light availability and nutrients on the response of three high-latitude kelp species | A DuraFET sensor (Honeywell) in each header tank communicated real-time pH measurements to a controller. | DuraFET |
Carbonate chemistry parameters in flume study during the day from Richard B Gump Research Station - Moorea LTER, French Polynesia from 2013 (MCR LTER project, OA_Corals project) | Portable pH meter (Orion 3-stars, Thermo-Scientific, USA) fitted with a DG 115-SC pH probe (Mettler Toledo, Switzerland) | portable pH meter & probe |
Carbonate chemistry data from static and fluctuating pCO2 x dissolved oxygen (DO) experiments on Menidia menidia | pHNIST - Hach pHD digital electrode - calibrated twice weekly using NIST 2-point pH buffers | Hach pHD digital electrode |
Carbonate chemistry in Mission Aransas Estuary from May 2014 to Feb 2017 and Dec 2018 to Feb 2020 | Orion® Ross™ glass electrode, Thermo Scientific | Orion® Ross™ glass electrode, Thermo Scientific |
Results from OA/feeding experiment: carbonate chemistry and coral skeletal weight, symbiont density, and total tissue lipid content of samples collected from northwestern Bermuda patch reefs; 2010 | The pH (NBS) of each tank was measured using an Orion pH meter and temperature-compensated electrode. | pH Sensor |
Water samples from CTD casts and vehicle-mounted bottles from the R/V Atlantis, R/V Ronald Brown, R/V Falkor, & E/V Nautilus in the Gulf of Mexico & Florida from 2010 to 2014 (Lophelia OA project) | pHT was measured using this instrument | Orion 5 Star pH themeter |
CTD profiles from Lake Superior collected during various R/V Blue Heron cruises between 2007-2008 (CARGO project) | SBE 27I | |
Carbonate chemistry from outdoor flumes at the UCB Gump Research Station Moorea, French Polynesia from November of 2015 to March of 2016 | Handheld electrode (DG 115-SC electrode (Mettler-Toledo)). | DG 115-SC electrode |
Data on chorion thickness from embryos studied in an experiment on CO2 sensitivity of Northern sand lance (Ammodytes dubius) embryos conducted in 2018 | ||
CO2 × temperature specific early life survival and growth of Menidia menidia assessed by 5 factorial experiments | Target pH levels were monitored daily using a handheld pH probes (Orion Ross Ultra pH/ATC Triode with Orion Star A121 pH Portable Meter; Intellical PHC281 pH Electrode with Hach HQ11D Handheld pH/ORP Meter) calibrated bi-weekly with 2-point pHNBS references. | handheld pH probe |
Laboratory results: Raw mass spectrometer data from a diatom (Thalassiosira pseudonana) grown under CO2-replete and CO2-stressed conditions; conducted in the Kustka lab at Rutgers from 2007-2013 | A gel-filled combination pH electrode (Thermo, 9106BNWP) was mounted through the wall of a 1L polycarbonate bottle using a bulkhead mount. The electrode potential was monitored using a pH relay (Eutech Inst., pH200 controller). | pH electrode (Thermo 9106BNWP) |
Coral (Porites rus) calcification and chemistry data from outdoor flumes at the UCB Gump Research Station Moorea, French Polynesia in April and March of 2012 | Orion 3-stars pH Meter fitted with a DG 115-SC pH probe | |
pH: Orion 3-stars pH Meter fitted with a DG 115-SC pH probe | Orion 3-stars pH Meter fitted with a DG 115-SC pH probe | |
Calcification and carbonate chemistry from outdoor flume experiments with corals at locations in Moorea, Okinawa, and Hawaii from 2011 to 2013 | pH: Orion 3-stars pH Meter fitted with a DG 115-SC pH probe | |
Net calcification rates of coral and calcified algae in pCO2 flume experiments in Moorea, French Polynesia from August to October of 2014 (OA_Coral_adapt project, MCR_LTER project) | pH Sensor: Orion 3-stars, Thermo Scientific, USA, mounted with a combination pH probe (Orion Ross Ultra, Thermo Scientific, USA) | Orion 3-stars, Thermo Scientific |
Confocal pH: pH-sensitive dye SNARF-1. Photographed with Leica SP5, Germany. See methods in Venn et al. 2011. | ||
Confocal pH: pH-sensitive dye SNARF-1. Photographed with Leica SP5, Germany. See methods in Venn et al. 2011. | ||
Wet and buoyant weight measurements of macroalgae at the Sitka Sound Science Center (SSSC) from August to September 2017 (High latitude kelp dynamics project) | Each header bucket was equipped with a pH sensor (DuraFET, Honeywell) communicating with a controller (UDA 2152, Honeywell) to regulate flow of the low pH water through solenoid valves to maintain pre-programmed pH setpoints. | Honeywell DuraFET pH sensor |
Oxygen evolution data for macroalgae during photo physiology incubations for photosynthesis-irradiance curves from August to September 2017 (High latitude kelp dynamics) | Each header bucket was equipped with a pH sensor (DuraFET, Honeywell) communicating with a controller (UDA 2152, Honeywell) to regulate flow of the low pH water through solenoid valves to maintain pre-programmed pH setpoints. Experimental pH levels were chosen to reflect current seasonal minimums of coastal pH measured at Harris Is. (57.032N, 135.277W) from 2016-2017, as well as end-of-century projections for Gulf of Alaska pH levels based on RCP 8.5 (-0.3 pHT from current levels). | Honeywell UDA 2152 |
Environmental data from experimental aquaria during a laboratory experiment testing the effects of pH, light availability and biotic interaction on coralline algae calcification and productivity at the Sitka Sound Science Center in 2017 | Each header bucket was equipped with a pH sensor (DuraFET, Honeywell) communicating with a controller (UDA 2152, Honeywell) to regulate flow of the low pH water through solenoid valves to maintain pre-programmed pH setpoints. | Honeywell DuraFET and UDA 2152 |
Experimental results of calcification rates of corals at variable pCO2 from the Richard B Gump Research Station, Moorea, French Polynesia in 2011 (MCR LTER project, OA_Corals project) | pH Sensor | |
Results from experiments examining the cell diameter of Crocosphaera watsonii (WH0003) as a function of total P, light, and CO2; conducted in the Hutchins Laboratory, USC | Culture pH was measured with an Orion 5 star (Thermo Scientific) pH meter using the National Bureau of Standards (NBS) scale for seawater pH measurements. | pH Sensor |
Results of experiments examining cellular growth by Crocosphaera watsonii (WH0003) under differing levels of phosphate, light, and pCO2; conducted in the Hutchins Laboratory, USC | Culture pH was measured with an Orion 5 star (Thermo Scientific) pH meter using the National Bureau of Standards (NBS) scale for seawater pH measurements. | pH Sensor |
Results from experiments examining efficiency of cellular P for CO2- and gross N2-fixation rates by Crocosphaera watsonii (WH0003) as a function of light and pCO2; conducted in the Hutchins Laboratory, USC | Culture pH was measured with an Orion 5 star (Thermo Scientific) pH meter using the National Bureau of Standards (NBS) scale for seawater pH measurements. | pH Sensor |
Results of experiments examining CO2 and gross N2 fixation rates by Crocosphaera watsonii (WH0003) under differing levels of phosphate, light, and pCO2; conducted in the Hutchins Laboratory, USC | Culture pH was measured with an Orion 5 star (Thermo Scientific) pH meter using the National Bureau of Standards (NBS) scale for seawater pH measurements. | pH Sensor |
Results of experiments examining phosphate (P) uptake rates and cellular P content of Crocosphaera watsonii from WH0003 region of the genome under differing levels of phosphate, light, and CO2; conducted in the Hutchins Laboratory, USC | Culture pH was measured with an Orion 5 star (Thermo Scientific) pH meter using the National Bureau of Standards (NBS) scale for seawater pH measurements. | pH Sensor |
CTD profiles acquired in Puget Sound, WA aboard R/V Clifford A. Barnes during cruises CB1073 and CB1078 in 2017. | Sea-Bird SBE9 CTD profiler equipped with a pH sensor (SBE 18), oxygen sensor (SBE 43), fluorometer (WETLabs ECO-AFL), and Niskin bottles. | SBE18 |
1A: Partitioning of carbon as a function of pCO2 and temperature during growth of Thalassiosira weissflogii from UCSB Marine Science Institute Passow Lab from 2009 to 2010 (OA - Effects of High CO2 project) | pH (total scale) was measured spetrophotometrically at 25ºC (Thermo Scientific Genesys 105 VIS Spetrophotometer with a SPG 1A air-cooled single cell Peltier element), using m-cresol as an indicator dye. | Thermo Scientific Genesys 105 VIS Spetrophotometer with a SPG 1A air-cooled single cell Peltier element |
2A: Partitioning of carbon as a function of pCO2 and temperature during growth of Dactyliosolen fragilissimus from U.C. Santa Barbara Marine Science Institute Passow Lab from 2009 to 2010 (OA - Effects of High CO2 project) | pH (total scale) was measured spetrophotometrically at 25ºC (Thermo Scientific Genesys 105 VIS Spetrophotometer with a SPG 1A air-cooled single cell Peltier element), using m-cresol as an indicator dye. | Thermo Scientific Genesys 105 VIS Spetrophotometer with a SPG 1A air-cooled single cell Peltier element |
Data describing O2, pH, temperature, and salinity in a light chamber (ECHOES project) | Fast-response (< 0.6 s) H1 Ion-Selective Field Effect Transistor (ISFET) and controller (Microsens, CH) | ISFET |
Data describing O2, pH, temperature, and salinity from a data sonde located within the water column near an eddy covariance instrument (ECHOES project) | Fast-response (< 0.6 s) H1 Ion-Selective Field Effect Transistor (ISFET) and controller (Microsens, CH) | ISFET |
Time-series pH data from methods development of Durafet pH sensors for use in laboratory experiments in 2016 and 2017 (pHVAR project) | Honeywell UDA2182 and Honeywell Durafet III pH electrodes | |
Average pH from replicate spectrophotometric measurements during laboratory experiments using a Durafet pH sensor in February of 2017 (pHVAR project) | Honeywell UDA2182 and Honeywell Durafet III pH electrodes | |
Coral area from a study of year-long effects of high pCO2 on the community structure of a tropical fore reef assembled in outdoor flumes in Moorea, French Polynesia from 2017 to 2018 | pHT was measured using a DG 115-SC electrode (Mettler Toledo, Columbus, OH, USA) that was calibrated with a TRIS buffer | |
Coral weight from a study of year-long effects of high pCO2 on the community structure of a tropical fore reef assembled in outdoor flumes in Moorea, French Polynesia from 2017 to 2018 | pHT was measured using a DG 115-SC electrode (Mettler Toledo, Columbus, OH, USA) that was calibrated with a TRIS buffer | |
Average conditions and chemical fluxes during mussel bed experiments at the Bodega Marine Laboratory, University of California, Davis in 2017. | Top pH sensor: Honeywell Durafet III combination electrode calibrated to total scale with spectrophotometric pH determination on discrete water samples Profiling pH sensor: Honeywell Durafet III combination electrode calibrated to total scale by holding adjacent to the top pH sensor | Honeywell Durafet III combination electrode |
Vertical profiles of chemistry within and above a mussel bed established in a laboratory flow tunnel at the Bodega Marine Laboratory, CA in 2017. | Top pH sensor: Honeywell Durafet III combination electrode calibrated to total scale with spectrophotometric pH determination on discrete water samples Profiling pH sensor: Honeywell Durafet III combination electrode calibrated to total scale by holding adjacent to the top pH sensor | Honeywell Durafet III combination electrode |
Environmental, sensory data (temperature, light intensity, salinity, pH, dissolved oxygen, depth) sampled in August 2019 in Carrie Bow Caye, Belize | (Orion ROSS Ultra pH / ATC Triode double-junction combination electrode, 8157BNUMD, accuracy ±0.02 units) | Orion ROSS Ultra pH / ATC Triode double-junction combination electrode |
Growth metrics of Pocillopora verrucosa and Acropora hyacinthus corals under two pCO2 treatments at Moorea, French Polynesia from May to June of 2014 (OA coral adaptation project) | pH Sensor: Orion 3-stars, Thermo Scientific, USA, mounted with a combination pH probe (Orion Ross Ultra, Thermo Scientific, USA). | Orion 3-stars |
Seawater chemistry during pCO2 flume experiments at Richard B Gump Research Station in Moorea, French Polynesia from May to June of 2014 | Orion 3-stars, Thermo Scientific, USA, mounted with a combination pH probe DG115-SC, Mettler Tolde. | Orion 3-stars |
Experimental seawater chemical properties for larval mussel shell study from SIO, UCSD from 2012-2013 (OA_Proxies project) | pH Sensor | |
Fatty acid profiles of M. menidia females and their unfertilized eggs. | handheld pH probe | Hach® HQ40d portable meter with a PHC201 standard pH-probe |
Data from the fecundity trial in a study of CO2 and temperature-specific reproductive traits in Menidia menidia | handheld pH meter (Hach® Intellical PHC281 pH electrode with HQ11D handheld pH/ORP meter, calibrated bi-weekly using two-point NIST buffers) | handheld pH meter |
Egg measurements from the fecundity trial in a study of CO2 and temperature-specific reproductive traits in Menidia menidia | handheld pH meter (Hach® Intellical PHC281 pH electrode with HQ11D handheld pH/ORP meter, calibrated bi-weekly using two-point NIST buffers) | handheld pH meter |
Results from feeding assays conducted as part of seasonal global change experiments examining the effects of seasonal variation in light availability and nutrients on the response of three high-latitude kelp species | A DuraFET sensor (Honeywell) in each header tank communicated real-time pH measurements to a controller. | DuraFET |
Pterosiphonia bipinnata and Corallina vancouveriensis final experiment shear and percent remaining at Deadman Bay on San Juan Island, Washington | Specifically, spectrophotometric pH was determined as per SOP6. As described in Dickson, A.G., Sabine, C.L. and Christian, J.R. (Eds.) 2007. Guide to Best Practices for Ocean CO2 Measurements. PICES Special Publication 3, 191 pp. | pH meter |
Geochemical measurements of CTD and Alvin Niskin samples collected in the Gulf of California during R/V Falkor cruise FK190211 in 2019 | Ross pH electrode | |
Spectral analyses of high-frequency data during two hour-long periods from the ECHOES system deployed at three sites in the Florida Keys in June 2018 | Honeywell Durafet III pH sensor | |
Current velocity, wave velocity, and O2, H+, and momentum flux from the ECHOES system deployed at three sites in the Florida Keys in June 2018 | Honeywell Durafet III pH sensor | |
Eddy covariance proton and oxygen, DIC, TA flux data collected at Woods Hole Oceanographic Institution in 2014 (ECHOES project) | Fast-response (< 0.6 s) H1 Ion-Selective Field Effect Transistor (ISFET) and controller (Microsens, CH) | ISFET |
Summary geochemistry and radiotracer rates for 30 marine sediment cores covering eight sites and four geochemical regimes | Thermo Scientific Orion glass body ROSS pH Electrode; calibrated with salinity and temperature corrected pH buffers (4, 7, 10 pH units). | ROSS pH electrode |
Summary geochemistry and radiotracer rates for 30 marine sediment cores covering eight sites and four geochemical regimes | Thermo Scientific Orion 4 Star pH meter | |
Growth data from static and fluctuating pCO2 x dissolved oxygen (DO) experiments on Menidia menidia | pHNIST - Hach pHD digital electrode - calibrated twice weekly using NIST 2-point pH buffers | Hach pHD digital electrode |
Growth rates, bulk isotope values, elemental composition data from the R/V Meteor M77 cruise in the Peruvian ocean margin from November to December 2008. | Used to measure pH | pH sensor |
Hatch data from experiments on CO2 sensitivity of Northern sand lance (Ammodytes dubius) embryos conducted in 2018 and 2020 | ||
Carbonate Chemistry Parameters from a heatwave experiment done September to November 2018 using reef building corals collected in Kāne'ohe Bay, O'ahu, Hawai'i. | pCO2 control system: - 99.99% food-grade CO2 cylinders - Automatic gas cylinder changeover system (Assurance Valve Systems, Automatic Gas Changeover Eliminator Valves #6091) - Gas flow solenoids (Milwaukee MA955) - Neptune systems Apex pH lab grade probes - Venturi injector (Forfuture-go G1/2 Garden Irrigation Device Venturi Fertilizer Injector) - Water circulating pump (Pondmaster Pond-mag Magnetic Drive Water Pump Model 5) | Neptune systems Apex pH lab grade probes |
Carbonate Chemistry Parameters from a heatwave experiment done September to November 2018 using reef building corals collected in Kāne'ohe Bay, O'ahu, Hawai'i. | Metler Toledo InLab Expert Pro pH probe #51343101 | |
Experiment Tank Conditions from a heatwave experiment done September to November 2018 using reef building corals collected in Kāne'ohe Bay, O'ahu, Hawai'i. | Neptune systems Apex pH lab grade probes | |
Experiment Tank Conditions from a heatwave experiment done September to November 2018 using reef building corals collected in Kāne'ohe Bay, O'ahu, Hawai'i. | Metler Toledo InLab Expert Pro pH probe #51343101 | |
Temperature, oxygen, pH, depth, and conductivity measured at 5 m depth at Hopkins Marine Station from 18-April 2013 to 14-June 2013 | pH datalogger: Honeywell Model 07777D-06 Durafet III in-line pH electrode with Cap Adapter | Honeywell Model 07777D-06 Durafet III |
CTD profiles of temperature, oxygen, salinity, density, fluorescence, PAR, and pH collected in Hood Canal on cruises CB1072, CB1077, and RC008 during 2017 and 2018 | Sea-Bird SBE9 CTD profiler equipped with a pH sensor (SBE 18), oxygen sensor (SBE 43), fluorometer (WETLabs ECO-AFL), and Niskin bottles. | SBE 18 |
Behavior Metrics - Crab-Oyster behavior - from UNC Reis laboratory starting 2010 (OA - Ocean Acidification and Warming Impact on Calcification project) | The temperature within experimental tanks was measured every other day with a NIST-calibrated partial-immersion organic- filled glass thermometer (precision + 0.3%, accuracy + 0.4%). Salinity was measured every other day with a YSI 3200 conduc- tivity meter with a YSI 3440 cell (K 1⁄4 10) that was calibrated with seawater standards of known salinity provided by the labora- tory of Prof. A. Dickson of Scripps Institute of Oceanography. Seawater pH was measured every other day with a Thermo Scien- tific Orion 2 Star benchtop pH meter with an Orion 9156BNWP pH probe, calibrated with 7.00 and 10.01 Orion NBS buffers traceable to NIST standard reference material (for slope of the calibration curve) and with seawater standards of known pH also provided by Prof. Dickson’s laboratory (for y-intercept of the calibration curve). Seawater DIC was measured via coulometry (UIC 5400) and TA was measured via closed-cell potentiometric Gran titration calibrated with certified Dickson TA/DIC standards. Measure- ment of DIC and TA of the certified reference materials (CRMs) were consistently within 0.3% of certified values. Differences between the measured and certified TA and DIC values of the CRMs were used to correct measurements of experimental seawater solutions. | Thermo Scientific Orion 2 Star benchtop pH meter with an Orion 9156BNWP pH probe |
Consumption data from Crab-Oyster Behavior study from laboratory results from UNC from the Sapodilla Caye, Belize ongoing from 2010 (OA - Ocean Acidification and Warming Impact on Calcification project) | The temperature within experimental tanks was measured every other day with a NIST-calibrated partial-immersion organic- filled glass thermometer (precision + 0.3%, accuracy + 0.4%). Salinity was measured every other day with a YSI 3200 conduc- tivity meter with a YSI 3440 cell (K 1⁄4 10) that was calibrated with seawater standards of known salinity provided by the labora- tory of Prof. A. Dickson of Scripps Institute of Oceanography. Seawater pH was measured every other day with a Thermo Scien- tific Orion 2 Star benchtop pH meter with an Orion 9156BNWP pH probe, calibrated with 7.00 and 10.01 Orion NBS buffers traceable to NIST standard reference material (for slope of the calibration curve) and with seawater standards of known pH also provided by Prof. Dickson’s laboratory (for y-intercept of the calibration curve). Seawater DIC was measured via coulometry (UIC 5400) and TA was measured via closed-cell potentiometric Gran titration calibrated with certified Dickson TA/DIC standards. Measure- ment of DIC and TA of the certified reference materials (CRMs) were consistently within 0.3% of certified values. Differences between the measured and certified TA and DIC values of the CRMs were used to correct measurements of experimental seawater solutions. | Thermo Scientific Orion 2 Star benchtop pH meter with an Orion 9156BNWP pH probe |
Seawater chemistry calculated parameters from Crab-Oyster Behavior study from laboratory results from UNC from data collected at the Sapodilla Caye, Belize starting 2010 (OA - Ocean Acidification and Warming Impact on Calcification project) | The temperature within experimental tanks was measured every other day with a NIST-calibrated partial-immersion organic- filled glass thermometer (precision + 0.3%, accuracy + 0.4%). Salinity was measured every other day with a YSI 3200 conduc- tivity meter with a YSI 3440 cell (K 1⁄4 10) that was calibrated with seawater standards of known salinity provided by the labora- tory of Prof. A. Dickson of Scripps Institute of Oceanography. Seawater pH was measured every other day with a Thermo Scien- tific Orion 2 Star benchtop pH meter with an Orion 9156BNWP pH probe, calibrated with 7.00 and 10.01 Orion NBS buffers traceable to NIST standard reference material (for slope of the calibration curve) and with seawater standards of known pH also provided by Prof. Dickson’s laboratory (for y-intercept of the calibration curve). Seawater DIC was measured via coulometry (UIC 5400) and TA was measured via closed-cell potentiometric Gran titration calibrated with certified Dickson TA/DIC standards. Measure- ment of DIC and TA of the certified reference materials (CRMs) were consistently within 0.3% of certified values. Differences between the measured and certified TA and DIC values of the CRMs were used to correct measurements of experimental seawater solutions. | Thermo Scientific Orion 2 Star benchtop pH meter with an Orion 9156BNWP pH probe |
Seawater chemistry measured parameters from Crab-Oyster Behavior study from laboratory results from UNC from data collected at the Sapodilla Caye, Belize starting 2010 ((OA - Ocean Acidification and Warming Impact on Calcification project) | The temperature within experimental tanks was measured every other day with a NIST-calibrated partial-immersion organic- filled glass thermometer (precision + 0.3%, accuracy + 0.4%). Salinity was measured every other day with a YSI 3200 conduc- tivity meter with a YSI 3440 cell (K 1⁄4 10) that was calibrated with seawater standards of known salinity provided by the labora- tory of Prof. A. Dickson of Scripps Institute of Oceanography. Seawater pH was measured every other day with a Thermo Scien- tific Orion 2 Star benchtop pH meter with an Orion 9156BNWP pH probe, calibrated with 7.00 and 10.01 Orion NBS buffers traceable to NIST standard reference material (for slope of the calibration curve) and with seawater standards of known pH also provided by Prof. Dickson’s laboratory (for y-intercept of the calibration curve). Seawater DIC was measured via coulometry (UIC 5400) and TA was measured via closed-cell potentiometric Gran titration calibrated with certified Dickson TA/DIC standards. Measure- ment of DIC and TA of the certified reference materials (CRMs) were consistently within 0.3% of certified values. Differences between the measured and certified TA and DIC values of the CRMs were used to correct measurements of experimental seawater solutions. | Thermo Scientific Orion 2 Star benchtop pH meter with an Orion 9156BNWP pH probe |
Unsuccessful events from Crab-Oyster Behavior study from UNC laboratory results from data from the Sapodilla Caye, Belize starting 2010 (OA - Ocean Acidification and Warming Impact on Calcification project) | The temperature within experimental tanks was measured every other day with a NIST-calibrated partial-immersion organic- filled glass thermometer (precision + 0.3%, accuracy + 0.4%). Salinity was measured every other day with a YSI 3200 conduc- tivity meter with a YSI 3440 cell (K 1⁄4 10) that was calibrated with seawater standards of known salinity provided by the labora- tory of Prof. A. Dickson of Scripps Institute of Oceanography. Seawater pH was measured every other day with a Thermo Scien- tific Orion 2 Star benchtop pH meter with an Orion 9156BNWP pH probe, calibrated with 7.00 and 10.01 Orion NBS buffers traceable to NIST standard reference material (for slope of the calibration curve) and with seawater standards of known pH also provided by Prof. Dickson’s laboratory (for y-intercept of the calibration curve). Seawater DIC was measured via coulometry (UIC 5400) and TA was measured via closed-cell potentiometric Gran titration calibrated with certified Dickson TA/DIC standards. Measure- ment of DIC and TA of the certified reference materials (CRMs) were consistently within 0.3% of certified values. Differences between the measured and certified TA and DIC values of the CRMs were used to correct measurements of experimental seawater solutions. | Thermo Scientific Orion 2 Star benchtop pH meter with an Orion 9156BNWP pH probe |
Pterosiphonia bipinnata and Corallina vancouveriensis initial experiment attachment and duration at Deadman Bay on San Juan Island, Washington | Specifically, spectrophotometric pH was determined as per SOP6. As described in Dickson, A.G., Sabine, C.L. and Christian, J.R. (Eds.) 2007. Guide to Best Practices for Ocean CO2 Measurements. PICES Special Publication 3, 191 pp. | pH meter |
pH time-series from SAMI-pH and SeapHOx instruments during an inter-comparison of autonomous in situ instruments for ocean CO2 measurements under laboratory-controlled conditions at Scripps Institution of Oceanography in 2016 | This table has data from two SAMI-pHs (Sunburst Sensors, LLC; p66 and p87) (Seidel et al., 2008). SAMI=Submersible Autonomous Moored Instrument | SAMI-pHs |
pH time-series from SAMI-pH and SeapHOx instruments during an inter-comparison of autonomous in situ instruments for ocean CO2 measurements under laboratory-controlled conditions at Scripps Institution of Oceanography in 2016 | SeapHOx sensors (SP020 and SP032) (Bresnahan et al., 2014) | SeapHOx |
SSU rRNA gene sequences from marine sediments, marine subseafloor, and deep seawater sampled from the Juan de Fuca Ridge Flank from various R/V Atlantis cruises from 2008-2011 (microJdFR project) | Orion 911600 Semi-micro pH electrode (ThermoFisher Scientific, Waltham, MA, USA) | Orion 911600 Semi-micro pH electrode |
Experimental results: calcification by primary coral polyps under high bicarbonate and low pH from 2007-2008 (OA Nutrition and Coral Calcification project) | The pH (NBS) of the aquaria during all experiments was checked twice weekly using an Orion 3-star pH meter and calibrated electrode; the precision of replicate pH measurements was +/- 0.015 units. | pH Sensor |
Kelp forest mooring DIC, TA, pCO2, and aragonite saturation state estimations inside the kelp canopy (36° 37.297’ N, 121° 54.102’ W.) at Hopkins Marine Station, recorded between June and October 2018. | pH was directly measured (via mFET and SeapHOx) on the mooring at 6 depths (and estimated for 2 weeks at the surface based on the near-surface pH-O2 relationship). Please see metadata for kelp mooring data for additional pH details (https://www.bco-dmo.org/dataset/822549). | mFET and SeapHOx |
pH measured in situ over depth in the kelp forest (36° 37.3’ N, 121° 54.1’ W) recorded in July 2018. | DuraFET pH sensor | DuraFET pH sensor |
Kelp growth data from seasonal global change experiments examining the effects of seasonal variation in light availability and nutrients on the response of three high-latitude kelp species | A DuraFET sensor (Honeywell) in each header tank communicated real-time pH measurements to a controller. | DuraFET |
Acid base parameters in control and treated Antarctic krill, Euphausia superba, over 19 days (OA Krill) | Used to measure blood and tissue pH. | temperature controlled pH microelectrode (Microelectrodes, Inc. Bedford, NH, USA) |
Seawater conditions monitored and recorded during two separate laboratory experiments in 2017 to acclimate krill to dissolved oxygen (DO) or pH conditions. | Honeywell Durafet III pH probes | Honeywell Durafet III pH probes |
DOC, oxygen and pH from samples collected near the Line Islands, Central Pacific in 2013 | ||
Laboratory study of long-term growth in juvenile Menidia menidia (Atlantic silverside) at contrasting CO2 levels for 16 to 122 days in 2015 | handheld pH probe | Orion ROSS Ultra pH/ATC Triode |
Laboratory study of long-term growth in juvenile Menidia menidia (Atlantic silverside) at contrasting CO2 levels for 16 to 122 days in 2015 | portable pH meter | Orion Star A121 pH Portable Meter |
Biogeochemistry data from Maunalua Bay, Hawaii measured on four dates between April and October 2015 | pH on the total scale (pHTot) was measured using an Orion ROSS Ultra pH/ATC Triode calibrated against a Tris buffer of known pH from the Dickson laboratory at the Scripps Institution of Oceanography (Dickson et al. 2007). | Orion ROSS Ultra pH/ATC Triode |
CTD data from McMurdo Sound, Antarctica from 2012 to 2015 (McMurdo Predator Prey project) | Sea-Bird SBE-27 pH sensor | |
Experimental tank parameters throughout the life of Clathromorphum compactum and C. nereostratum calcification experiment from from 2015-2016 (CorallineAlgaePaleo-pH project) | AccuFet™ Solid-State pH probe, calibrated with 7.00 and 10.01 NBS buffers (for slope of calibration) and a Dickson Lab DIC/TA standard (for y-intercept of calibration). | AccuFet™ Solid-State pH probe |
pH and total alkalinity measurements of treatment tub seawater during lab experiments conducted in spring 2022. | Handheld pH glass electrode (Mettler Toledo, Columbus, OH, USA), calibrated once a week using calibration solutions (pH 7 and 10) supplied by the probe manufacturer | Handheld pH glass electrode (Mettler Toledo, Columbus, OH, USA) |
Chemical and physical measurements in coral tanks from Moorea, French Polynesia in 2010 (OA Corals project) | Orion, 3-stars mobile coupled with a Mettler DG 115-SC pH electrode | |
Temperature, salinity, dissolved O2, and pH from SeapHOx_Kelp_A, SeapHOx_Kelp_B, SeapHOx_Kelp_C, and SeapHOx_Kelp_D kelp moorings in the La Jolla Kelp Forest, San Diego CA, from 2010-2011 (SeapHOx project) | The SeapHOx consists of a Honeywell Durafet III pH sensor (Martz et al. 2010), an Aanderaa 3835 oxygen optode, and an SBE-37 MicroCAT CTD. The sensors were attached to a mooring line at a given water depth below the surface (e.g. 7 m). Honeywell Durafet III pH sensor | Honeywell Durafet III pH sensor |
Moorings temperature and pH from multiple sites in the California Current System starting 2008 (OMEGAS-MaS project, ACIDIC project) | SAMI-pH | SAMI-pH |
Moorings temperature and pH from multiple sites in the California Current System starting 2008 (OMEGAS-MaS project, ACIDIC project) | pH records are derived from a Durafet-based sensor, custom designed and fabricated for intertidal deployment by Gernot Friederich (MBARI) for the OMEGAS project | DURAFET pH Sensor |
Morphometric data from experiments on CO2 sensitivity of Northern sand lance (Ammodytes dubius) embryos conducted in 2018 and 2020 | ||
Electrochemical data from sediment cores collected on the Louisiana Shelf of the Northern Gulf of Mexico during November 2020 on R/V Savannah cruise SAV-20-07 | pH microelectrodes | |
Measured and calculated water chemistry parameters throughout a 93-day acidification and warming experiment | The pH probe was calibrated with 7.00 and 10.01 NBS buffers which were kept at experimental temperatures; used to measure pH. | accuFet Solid-State pH probe (Fisher Scientific Waltham, Massachusetts, USA) |
Phenotypic responses of Eastern oyster in response to variable length OA exposure conducted in summer 2017 with oysters sampled in Plum Island. | Accumet solid state pH electrode (precision = 1mV) | |
Phenotypic responses of Eastern oyster in response to variable length OA exposure conducted in summer 2017 with oysters sampled in Plum Island. | Orion 91'10DJWP Double Junction micro-pH probe+ | |
Water quality of experiment measuring phenotypic responses of Eastern oyster in response to variable length OA exposure conducted in summer 2017 with oysters sampled in Plum Island. | Accumet solid state pH electrode (precision = 1mV) | |
Water quality of experiment measuring phenotypic responses of Eastern oyster in response to variable length OA exposure conducted in summer 2017 with oysters sampled in Plum Island. | Orion 91'10DJWP Double Junction micro-pH probe+ | |
Results of a study examining how foundation species loss alters multiple ecosystem functions based on community surveys and biogeochemical sampling of tidepools in the Otter Rock Marine Reserve (ORMR) and Marine Garden, Oregon USA from June to August 2019 | (Thermo Scientific; accuracy = +/- 0.2 mV, resolution = +/-0.1 mV, drift < 0.005 pH units d−1) | ROSS Ultra glass electrode |
Organic alkalinity data from estuary transects in Coastal Gulf of Maine (Pleasant, Maine; St. John, New Brunswick) in May and October of 2018 and 2019 | pH electrode (Metrohm EcoTode Plus) | |
Juvenile growth post-settlement from experimental study of carryover effects of ocean acidification on larval and juvenile Olympia oysters; conducted at Bodega Marine Lab in July-Sept 2009 | Seawater pH (NBS) and temperature were quantified using a pH/temperature meter: Accumet Excel XL60 (Thermo Fisher Scientific, Waltham, MA) | Accumet Excel XL60 |
Juvenile growth post-settlement under four larval-to-juvenile ocean acidification transitions in the laboratory; conducted at Bodega Marine Lab in July-Sept 2009 | Seawater pH (NBS) and temperature were quantified using a pH/temperature meter: Accumet Excel XL60 (Thermo Fisher Scientific, Waltham, MA) | Accumet Excel XL60 |
Oyster larval growth at day 9 post-release under ocean acidification in the laboratory; experiments conducted at Bodega Marine Laboratory | Seawater pH (NBS) and temperature were quantified using a pH/temperature meter: Accumet Excel XL60 (Thermo Fisher Scientific, Waltham, MA) | Accumet Excel XL60 |
Data collected from an experiment on the carbonate system of oyster extrapallial fluid during May to September 2017 | Orion 91'10DJWP Double Junction Micro pH probe | Orion Double Junction Micro pH probe |
Effects of food on growth of larval Olympia oysters under different levels of ocean acidification; experiments conducted at Bodega Marine Laboratory (BML), UC Davis in June 2011 | Seawater pH and temperature were measured using a potentiometric pH/temperature meter (Accumet Excel XL60). | Accumet Excel XL60 |
Effects of food on body condition of larval oysters under different levels of ocean acidification; experiments conducted at Bodega Marine Laboratory (BML), UC Davis in June 2011 | Seawater pH and temperature were measured using a potentiometric pH/temperature meter (Accumet Excel XL60). | Accumet Excel XL60 |
Effects of food on percent metamorphosis of settling Olympia oysters under different levels of ocean acidification; experiments conducted at Bodega Marine Laboratory, UC Davis in June 2011 | Seawater pH and temperature were measured using a potentiometric pH/temperature meter (Accumet Excel XL60). | Accumet Excel XL60 |
Cluster (combined temperature, nutrient concentration, and CO2) results from laboratory experiments with Pseudo-nitzschia australis conducted from 2021 to 2022 | Mettler Toledo SevenCompact pH meter (calibrated using a three-point calibration curve and total pH scale) | Mettler Toledo SevenCompact pH meter |
CO2 experiment physiology and carbonate chemistry from laboratory experiments with Pseudo-nitzschia australis conducted from 2021 to 2022 | Mettler Toledo SevenCompact pH meter (calibrated using a three-point calibration curve and total pH scale) | Mettler Toledo SevenCompact pH meter |
Biochemistry of 3 pacific oyster cohorts from Whiskey Creek Hatchery in Netarts Bay, OR, USA from 2009-2011 | The pH of fertilization water was measured with a YSI 30. | YSI 30 |
Carbonate chemistry of 3 pacific oyster cohorts from Whiskey Creek Hatchery in Netarts Bay, OR, USA from 2009-2011 | The pH of fertilization water was measured with a YSI 30. | YSI 30 |
Stable isotopes of 3 pacific oyster cohorts from Whiskey Creek Hatchery in Netarts Bay, OR, USA from 2009-2011 | The pH of fertilization water was measured with a YSI 30. | YSI 30 |
Geochemical data of ground ice and pore water in frozen sediments from the Barrow Permafrost Tunnel in Utqiaġvik, Alaska in 2017 and 2018 | B-712 LAQUAtwin Compact pH Meter | |
Geochemical data of permafrost brines from the Barrow Permafrost Tunnel in Utqiaġvik, Alaska | B-712 LAQUAtwin Compact pH Meter | |
pH data from Virginia Aquarium Climate Change Facility, Virginia Beach VA; 2011-2015 (Impact of Climate on Eelgrass project) | pH data were recorded using Cole Parmer 350 pH/ORP controller units and Oakton epoxy body pH electrodes (UX-35801-00) calibrated weekly to a precision of 0.01 pH unit using NBS buffers. Output signals (4-20 mA) from the pH controllers were recorded at 10 minute intervals using the same NI data logger system and LabView software system used for the temperature data. | Cole Parmer 350 pH/ORP controller units |
Nearshore pH, temperature, (salinity, depth) at mooring sites in McMurdo Sound, Antarctica, spring 2011 (OA Antarctic Sea Urchins project, OA pH, Temp, Calc Inverts project) | SeaFET pH sensor containing Honeywell Durafet® pH sensor (Martz et al., 2010) | pH Sensor |
pH measurements collected at the height of El Niño at Jarvis Island in 2015 and 2016 | SAMI-pH sensor (Sunburst Sensors, 15 min sampling interval) | |
Pleurochrysis carterae diel culture dynamics analyzed at Bigelow Laboratory from 2013 (OA Copes Coccoliths project) | Orion ROSS electrode was connected to an Orion Star A211 Benchtop pH meter (ThermoFisher Scientific, Waltham, MA, USA) | Orion ROSS electrode |
Pleurochrysis carterae growth cycle culture dynamics analyzed at Bigelow Laboratory from 2013 (OA Copes Coccoliths project) | Orion ROSS electrode was connected to an Orion Star A211 Benchtop pH meter (ThermoFisher Scientific, Waltham, MA, USA) | Orion ROSS electrode |
Light-dark calcification rates of Pleurochrysis carterae analyzed at Bigelow Laboratory in 2013 (OA Copes Coccoliths project) | Orion ROSS electrode was connected to an Orion Star A211 Benchtop pH meter (ThermoFisher Scientific, Waltham, MA, USA) | Orion ROSS electrode |
Seasonal hydrography, abundance, and distribution of pteropods from MOCNESS and CTD casts during R/V Tioga cruises in the Gulf of Maine from 2013 to 2015 | Ross combination pH electrode, and a pH meter (ORION 3 Star) based on a modified Gran titration method (detailed in Wang et al., 2017b) | |
O2 consumption of pteropods held for 1-14 days in three CO2 treatments with pteropods collected with a Reeve net during R/V Tioga cruises in the Gulf of Maine from 2013 to 2014 | Ross combination pH electrode, and a pH meter (ORION 3 Star) based on a modified Gran titration method (detailed in Wang et al., 2017). | |
Shell quality of pteropods held for 1-14 days in three CO2 treatments with pteropods collected with a Reeve net during R/V Tioga cruises in the Gulf of Maine from 2014 to 2015 | Ross combination pH electrode, and a pH meter (ORION 3 Star) based on a modified Gran titration method (detailed in Wang et al., 2017). | |
Biomass-normalized dark respiration and net photosynthesis rates in coral and algae as a function of pCO2 tested in both 2011 and 2012, Moorea LTER site | Orion, 3-stars mobile mounted with a MettlerDG115-SCpHelectrode | |
Biomass-normalized dark respiration and net photosynthesis rates in coral and algae as a function of pCO2 where LEDR (light-enhanced dark respiration) was measured (OA coral adaptation project) | Orion, 3-stars mobile mounted with a MettlerDG115-SCpHelectrode | |
Results from a study of physiological responses of Ulva lactuca to ocean acidification and nutrient enrichment | pH electrode for total alkalinity (Mettler Toledo DGi-115-SC with T5 Rondolino). The performance of the machine was checked with each measurement using certified reference material (CRM) from the Dickson laboratory at the Scripps Oceanographic Institute and the pH electrode was calibrated using TRIS buffer. | Mettler Toledo DGi-115-SC |
Discrete bottle sample measurements for carbonate chemistry, organic alkalinity and organic carbon from samples collected in Waquoit Bay and Vineyard Sound, MA in 2016 | ORION 3 Star pH electrode and pH meter | |
Morphometrics of northern sand lance Ammodytes dubius offspring reared under factorial CO2 x temperature conditions | pH electrode (Hach pHD, calibrated weekly using 2-point pHNIST references) | pH electrode |
Survival of northern sand lance Ammodytes dubius offspring under factorial CO2 x temperature conditions | pH electrode (Hach pHD, calibrated weekly using 2-point pHNIST references) | pH electrode |
Average sediment grain size at in- and out-flow at Carlsbad Desalination Plant, Southern California,2014-2016 (Effluent Impacts on Coastal Ecology project) | handheld pH probe | |
Carbonate chemistry sampled during Acropora pulchra calcification experiments that took place in Moorea, French Polynesia from Jul to Nov of 2015 | Mettler DGi-115 pH electrode, which was calibrated with TRIS buffers [SOP 6a (Dickson et al. 2007)] | Mettler DGi-115 pH electrode |
Data from the spawning trial in a study of CO2 and temperature-specific reproductive traits in Menidia menidia | handheld pH meter (Hach® Intellical PHC281 pH electrode with HQ11D handheld pH/ORP meter, calibrated bi-weekly using two-point NIST buffers) | handheld pH meter |
Data on egg production resulting from the spawning trial in a study of CO2 and temperature-specific reproductive traits in Menidia menidia | handheld pH meter (Hach® Intellical PHC281 pH electrode with HQ11D handheld pH/ORP meter, calibrated bi-weekly using two-point NIST buffers) | handheld pH meter |
Partial pressure of carbon dioxide (pCO2) from in-situ flume experiments to manipulate pCO2 on shallow tropical coral reef communities at UCB Gump Research Station Moorea, French Polynesia in May of 2018 | SeaFET pH sensor | |
pH from in-situ flume experiments to manipulate pCO2 on shallow tropical coral reef communities at UCB Gump Research Station Moorea, French Polynesia in May of 2018 | SeaFET pH sensor | |
CH4, H2, CO, and d13C concentrations from the Strytan Hydrothermal Field collected by SCUBA July 15-8 2012 (C-DEBI, Lost City-type hydrothermal system project) | pH/ORP/Conductivity/TDS were measured on shore using a Myron-L field pH meter. | Myron-L field pH |
Dissolved inorganic carbon concentrations from the Strytan Hydrothermal Field collected by SCUBA July 15-8 2012 (C-DEBI, Lost City-type hydrothermal system project) | pH/ORP/Conductivity/TDS were measured on shore using a Myron-L field pH meter. | Myron-L field pH |
Geochemistry measurements from the Strytan Hydrothermal Field collected by SCUBA July 15-8 2012 (C-DEBI, Lost City-type hydrothermal system project) | pH/ORP/Conductivity/TDS were measured on shore using a Myron-L field pH meter. | Myron-L field pH |
Organic acid concentrations from the Strytan Hydrothermal Field collected by SCUBA July 15-8 2012 (C-DEBI, Lost City-type hydrothermal system project) | pH/ORP/Conductivity/TDS were measured on shore using a Myron-L field pH meter. | Myron-L field pH |
Sulfate reduction energetics at Main Endeavor grotto chimney from samples collected on RV Atlantis (AT18-08) during Jason II dives in the Juan de Fuca Ridge from July to August 2011 | pH sensor | pH sensor |
Sulfate reduction rates at Main Endeavor grotto chimney from samples collected on RV Atlantis (AT18-08) during Jason II dives in the Juan de Fuca Ridge from July to August 2011 | pH sensor | pH sensor |
Survival data from static and fluctuating pCO2 x dissolved oxygen (DO) experiments on Menidia menidia | pHNIST - Hach pHD digital electrode - calibrated twice weekly using NIST 2-point pH buffers | Hach pHD digital electrode |
Survival, length, and growth responses of M. menidia offspring from different females exposed to contrasting CO2 environments. | handheld pH probe | Hach® HQ40d portable meter with a PHC201 standard pH-probe |
Data on hatching frequency and success from an experiment on CO2 sensitivity of Northern sand lance (Ammodytes dubius) embryos conducted in 2020 | ||
Data on laboratory cultures and statistical analysis code associated with the paper "Co-culture with Synechococcus facilitates the growth of Prochlorococcus under ocean acidification conditions" published in Environmental Microbiology | pH was measured using either a custom-calibrated pH probe or colorimetrically using m-cresol purple administered by sequential injection in a BioTek Synergy H1 spectrophotometer plate reader. | custom-calibrated pH probe |
Tank conditions for pH experiments on Lophelia pertusa specimens collected in the Norwegian Skagerrak and the Gulf of Mexico (Lophelia OA project) | Indicates pH of water | pH sensor |
Trichodesmium nutrient-limited proteomes in 380 and 750 uatm CO2 from experiments conducted at the University of Southern California from 2011-2013 (HiCO2_AdaptCyano project) | Thermo Fisher Scientific. With a combined glass electrode. The metre was calibrated with National Bureau of Standards buffer solutions of pH 4, 7 and 10. | Orion 5 STAR pH meter |
Underway pH of seawater sampled during CCGS John P. Tully cruises in the northeast Pacific Ocean from Vancouver Island to Station P from 2019 to 2020 | pH was measured using a Deep-Sea Durafet (DSD) sensor | Deep-Sea DuraFET (DSD) sensor |
Underway pH of seawater sampled during CCGS John P. Tully cruises in the northeast Pacific Ocean from Vancouver Island to Station P from 2019 to 2020 | A prototype instrument (BGC-SUMO; Y. Takeshita - yui@mbari.org) for measuring seawater pH on underway ships was plumbed into the CCGS John P. Tully seawater intake line | BGC-SUMO |
Data on unhatched embryos from an experiment on CO2 sensitivity of Northern sand lance (Ammodytes dubius) embryos conducted in 2018 | ||
Water chemistry analysis of samples collected at the Carlsbad Desalination Plant along the coast of Southern California in 2014-2016 (Effluent Impacts on Coastal Ecology project) | handheld pH probe |