Articles | Volume 14, issue 4
https://doi.org/10.5194/amt-14-3015-2021
© Author(s) 2021. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/amt-14-3015-2021
© Author(s) 2021. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| Highlight paper
| 
26 Apr 2021
Research article | Highlight paper |
| 26 Apr 2021
| 26 Apr 2021
Revision of the World Meteorological Organization Global Atmosphere Watch (WMO/GAW) CO2 calibration scale
Bradley D. Hall
CORRESPONDING AUTHOR
National Oceanic and Atmospheric Administration, Global Monitoring
Laboratory, Boulder, CO, USA
Andrew M. Crotwell
National Oceanic and Atmospheric Administration, Global Monitoring
Laboratory, Boulder, CO, USA
Cooperative Institute for Research in Environmental Sciences,
University of Colorado, Boulder, CO, USA
Duane R. Kitzis
National Oceanic and Atmospheric Administration, Global Monitoring
Laboratory, Boulder, CO, USA
Cooperative Institute for Research in Environmental Sciences,
University of Colorado, Boulder, CO, USA
Thomas Mefford
National Oceanic and Atmospheric Administration, Global Monitoring
Laboratory, Boulder, CO, USA
Cooperative Institute for Research in Environmental Sciences,
University of Colorado, Boulder, CO, USA
Benjamin R. Miller
Cooperative Institute for Research in Environmental Sciences,
University of Colorado, Boulder, CO, USA
retired
Michael F. Schibig
Climate and Environmental Physics, University of Bern, Bern,
Switzerland
Oeschger Centre for Climate Change Research, University of Bern,
Bern, Switzerland
Pieter P. Tans
National Oceanic and Atmospheric Administration, Global Monitoring
Laboratory, Boulder, CO, USA
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- Exploring the discrepancy between top-down and bottom-up approaches of fine spatio-temporal vehicular CO2 emission in an urban road network P. Fung et al. 10.1016/j.scitotenv.2023.165827
- Hydrogen-Based Reduction Technologies in Low-Carbon Sustainable Ironmaking and Steelmaking: A Review M. Sun et al. 10.1007/s40831-023-00772-4
- Evaluating consistency between total column CO<sub>2</sub> retrievals from OCO-2 and the in situ network over North America: implications for carbon flux estimation B. Rastogi et al. 10.5194/acp-21-14385-2021
- Assessing the bias and uncertainties in the aircraft mass balance technique for the determination of carbon dioxide emission rates K. Hajny et al. 10.1525/elementa.2022.00135
- Indicators of Global Climate Change 2022: annual update of large-scale indicators of the state of the climate system and human influence P. Forster et al. 10.5194/essd-15-2295-2023
- The Driving Factors of Italy’s CO2 Emissions Based on the STIRPAT Model: ARDL, FMOLS, DOLS, and CCR Approaches D. Pattak et al. 10.3390/en16155845
- A high accuracy reference facility for ongoing comparisons of CO2 in air standards J. Viallon et al. 10.1088/1681-7575/ad0abe
- Global Carbon Budget 2021 P. Friedlingstein et al. 10.5194/essd-14-1917-2022
- Determination of discrete sampling locations minimizing both the number of samples and the maximum interpolation error: Application to measurements of carbonate chemistry in surface ocean V. Guglielmi et al. 10.1016/j.seares.2023.102336
- Year-round trace gas measurements in the central Arctic during the MOSAiC expedition H. Angot et al. 10.1038/s41597-022-01769-6
- REMINISCING ON THE USE AND ABUSE OF 14C AND 13C IN ATMOSPHERIC CO2 P. Tans 10.1017/RDC.2022.7
- Global Carbon Budget 2023 P. Friedlingstein et al. 10.5194/essd-15-5301-2023
- An open-path observatory for greenhouse gases based on near-infrared Fourier transform spectroscopy T. Schmitt et al. 10.5194/amt-16-6097-2023
- Breath detection algorithms affect multiple-breath washout outcomes in pre-school and school age children M. Oestreich et al. 10.1371/journal.pone.0275866
- Two decades of flask observations of atmospheric <i>δ</i>(O<sub>2</sub>∕N<sub>2</sub>), CO<sub>2</sub>, and APO at stations Lutjewad (the Netherlands) and Mace Head (Ireland), and 3 years from Halley station (Antarctica) L. Nguyen et al. 10.5194/essd-14-991-2022
- 12 years of continuous atmospheric O2, CO2 and APO data from Weybourne Atmospheric Observatory in the United Kingdom K. Adcock et al. 10.5194/essd-15-5183-2023
- Can we use atmospheric CO2 measurements to verify emission trends reported by cities? Lessons from a 6-year atmospheric inversion over Paris J. Lian et al. 10.5194/acp-23-8823-2023
- National CO2budgets (2015–2020) inferred from atmospheric CO2observations in support of the global stocktake B. Byrne et al. 10.5194/essd-15-963-2023
- Investigating the differences in calculating global mean surface CO2 abundance: the impact of analysis methodologies and site selection Z. Wu et al. 10.5194/acp-24-1249-2024
- The asymmetric and long-run effect of environmental innovation and CO2 intensity of GDP on consumption-based CO2 emissions in Denmark D. Kirikkaleli et al. 10.1007/s11356-023-25811-1
- A new algorithm to generate a priori trace gas profiles for the GGG2020 retrieval algorithm J. Laughner et al. 10.5194/amt-16-1121-2023
- Commercial forest carbon protocol over-credit bias delimited by zero-threshold carbon accounting B. Marino & N. Bautista 10.1016/j.tfp.2021.100171
- Understanding the Research Interlinkages Between Anthropocene, Millennium and Sustainable Development Goals: A Global Bibliometric Analysis N. Garai et al. 10.1007/s44177-023-00055-3
- Chronostratigraphy of the Larsen blue-ice area in northern Victoria Land, East Antarctica, and its implications for paleoclimate G. Lee et al. 10.5194/tc-16-2301-2022
- Assessing progress toward the Paris climate agreement from space B. Weir et al. 10.1088/1748-9326/ac998c
- Global Carbon Budget 2022 P. Friedlingstein et al. 10.5194/essd-14-4811-2022
- Impacto do aumento de CO2 nas Precipitações do estado de Pernambuco J. Galvíncio 10.26848/rbgf.v14.3.p1828-1839
- Seasonal and Diurnal Variations in XCO2 Characteristics in China as Observed by OCO‐2/3 Satellites: Effects of Land Cover and Local Meteorology H. Zhao et al. 10.1029/2023JD038841
Latest update: 25 Apr 2024
Short summary
We have recently revised the carbon dioxide calibration scale used by numerous laboratories that measure atmospheric CO2. The revision follows from an improved understanding of the manometric method used to determine the absolute amount of CO2 in an atmospheric air sample. The new scale is 0.18 μmol mol−1 (ppm) greater than the previous scale at 400 ppm CO2. While this difference is small in relative terms (0.045 %), it is significant in terms of atmospheric monitoring.
We have recently revised the carbon dioxide calibration scale used by numerous laboratories that...
