Suitner, Niels; Schneider, Julieta; Hartmann, Jens (2024): Ocean Alkalinity Enhancement Incubation Experiments with Particle Seeding (GC2021 KOSMOS experiment) - carbonate chemistry [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.966991
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Published: 2024-12-19 • DOI registered: 2025-01-31
Abstract:
This data set reports on treatment levels and carbonate chemistry variables from an incubation study that took place parallel to the KOSMOS mesocosm experiment on ocean alkalinity enhancement (Sept./Oct. 2021) in Taliarte Harbour, Gran Canaria. The aim of this incubation study was to investigate the potential seeding of calcium carbonate precipitation by particles under enhanced seawater alkalinity, and to look at long-term alkalinity stability.
Keyword(s):
Project(s):
Ocean-based Negative Emission Technologies (OceanNETs)
Funding:
Comment:
Bottle 1 leaked after Day 41 so data not reported
Parameter(s):
| # | Name | Short Name | Unit | Principal Investigator | Method/Device | Comment |
|---|---|---|---|---|---|---|
| 1 | Type of study | Study type | Suitner, Niels | |||
| 2 | Treatment: alkalinity, total | T:AT | µeq/kg | Suitner, Niels | Alkalinity Enhancement treatment | |
| 3 | Source material | Source mat | Suitner, Niels | Mesocosm = from mesocosm experiment; Fresh seawater = freshly collected seawater | ||
| 4 | Treatment | Treat | Suitner, Niels | seeding particles originating from the mesocosm walls were added to some treatments | ||
| 5 | Replicate | Repl | Suitner, Niels | |||
| 6 | Sample code/label | Sample label | Suitner, Niels | 1-16 = incubation experiment, A-D = mesocosms (in situ measurements until after Day 45) | ||
| 7 | Day of experiment | DOE | day | Suitner, Niels | Day 1 = start of mesocosm experiment, data from Day 81 onwards from measurements in Hamburg laboratory | |
| 8 | Conductivity | Cond | mS/cm | Suitner, Niels | Conductivity probe, WTW, TetraCon 925 cell | probe calibrated with KCl standards |
| 9 | Salinity | Sal | Suitner, Niels | Conductivity probe, WTW, TetraCon 925 cell | ||
| 10 | Temperature, water | Temp | °C | Suitner, Niels | Conductivity probe, WTW, TetraCon 925 cell | |
| 11 | Alkalinity, total | AT | µeq/kg | Suitner, Niels | Potentiometric titration | seawater |
| 12 | delta | delta | Schneider, Julieta | Change in Total Alkalinity (dTA); calculated as difference in TA between Day 35 and the sampling day | ||
| 13 | pH | pH | Suitner, Niels | pH electrode, WTW SenTix 940 in WTW Multi 3630 IDS | NIST; 4 steps (1.679–9.180); pH electrode calibrated with buffer solutions | |
| 14 | pH | pH | Schneider, Julieta | calibrated | total; recalculated from pH NIST according to Badocco et al. 2021 | |
| 15 | pH change | D pH | Schneider, Julieta | Change in pH (dpH); calculated as difference between pH measurements on Day 35 and the sampling day | ||
| 16 | Carbon, inorganic, dissolved | DIC | µmol/kg | Schneider, Julieta | Calculated using CO2SYS | seawater; calculated from TA and pH using CO2SYS |
| 17 | delta | delta | Schneider, Julieta | Change in dissolved inorganic carbon concentration (dDIC); calculated as difference between calculated DIC on Day 35 and the sampling day | ||
| 18 | Aragonite saturation state | Omega Arg | Schneider, Julieta | Calculated using CO2SYS | calculated from TA and pH using CO2SYS | |
| 19 | Comment | Comment | Suitner, Niels |
License:
Creative Commons Attribution 4.0 International (CC-BY-4.0) (License comes into effect after moratorium ends)
Status:
Curation Level: Enhanced curation (CurationLevelC)
Size:
2709 data points
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