| Retention of CO₂ after transit from downstream measurement point to the river mouth | 1.000000 | Reported | — |
| Retention of CO₂ after re-equilibration of DIC on ocean discharge | 0.618627 | Reported | — |
| Mass of alkaline feedstock added | 1,749.319 t | Reported | — |
| Carbon mass fraction in feedstock | 116,044.60 mg/kg | Reported | — |
| Project launch trip | 3,936.00 km | Reported | StaffTravel_FlightDistance.png |
| Air passenger, Economy class, International to/from non-UK, WTW | 0.1512 kgCO₂e/km | Standard Published Value | UK Government Greenhouse gas reporting: conversion factors 2024 |
| Additional Sensors | 120 kgCO₂e | Reported | EPD_Sensors.pdf |
| Electricity Use (20250610-20250915) | 7,356.09 kWh | Reported | 20250501-20250801_ElectricityConsumption.png |
| Electricity supplied from grid, Norway, 2017 (EEA) | 0.02 kgCO₂e/kWh | Reported | 2017_CO2_IntensEL_EEA.csv |
| Mass Slurry (June 10th to Sept 15th, 2025) | 2,070.192 t | Reported | — |
| Distance (Stavanger to Nyland Doser) | 53.86 km | Reported | Feedstock_Transport_Distance.xlsx |
| WTW HGV (all diesel), Articulated (> 33 t), 50% Laden, UK GHG 2025 | 0.12 kgCO₂e/(km⋅t) | Reported | ghg-conversion-factors-2025-full-set.xlsx |
| Biokalk 75 | 0.01 kgCO₂e/kg | Reported | EPD_Omya_Biokalk.pdf |
| Grab Sample Shipping Emissions | 69 kgCO₂e | Reported | ghg-conversion-factors-2025-condensed-set.xlsx |
| Grab Sample Processing Emissions | 76 kgCO₂e | Reported | GrabSample_Emissions_Assumptions.docx |
| Field trip length | 567.84 km | Reported | LCA_CalculationsEvidence.xlsx |
| Passenger vehicle, large petrol (average), UK GHG Conversion Factors, 2025 | 0.2683 kgCO₂e/km | Reported | FieldTeam_Vehicle.png |
| Retention of CO₂ after transit from downstream measurement point to the river mouth | 100.00 % | Reported | — |
| Retention of CO₂ after re-equilibration of DIC on ocean discharge | 35.26 % | Reported | — |
| Mass of alkaline feedstock added | 269.132 t | Reported | Nyland, Kvina, 30.09.2025 00 - 15.05.2025 00 COMPLETE PROJECT DATA.xlsx |
| Carbon mass fraction in feedstock | 116,044.60 mg/kg | Reported | — |
| Proportion of additional feedstock dissolved in counterfactual scenario | 22.10 % | Reported | — |
| Mass Additional Feedstock Dosed (June 10th to Sept 15th, 2025) | 1,480.187 t | Reported | — |
| Efficiency of air-sea CO₂ uptake due to alkalinity addition from dissolved feedstock in counterfactual scenario | 72.00 % | Reported | — |
| CDR potential of feedstock | 424.92 kgCO₂e/t | Reported | — |
| Average DIC concentration at downstream measurement location | Multiple values | — | 98 measurements |
| Average density at downstream measurement location | Multiple values | — | 98 measurements |
| Average flow rate at downstream measurement location | Multiple values | — | 98 measurements |
| Duration of time interval | Multiple values | — | 98 measurements |
| Average DIC concentration at downstream measurement location | Multiple values | — | 98 measurements |
| Average density at downstream measurement location | Multiple values | — | 98 measurements |
| Average flow rate at downstream measurement location | Multiple values | — | 98 measurements |
| Duration of time interval | Multiple values | — | 98 measurements |
