Articles | Volume 13, issue 6
https://doi.org/10.5194/amt-13-3167-2020
© Author(s) 2020. 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-13-3167-2020
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
16 Jun 2020
Research article |
| 16 Jun 2020
| 16 Jun 2020
Correcting the impact of the isotope composition on the mixing ratio dependency of water vapour isotope measurements with cavity ring-down spectrometers
Geophysical Institute, University of Bergen, and Bjerknes Centre for Climate Research, Bergen, Norway
Alexandra Touzeau
Geophysical Institute, University of Bergen, and Bjerknes Centre for Climate Research, Bergen, Norway
Harald Sodemann
Geophysical Institute, University of Bergen, and Bjerknes Centre for Climate Research, Bergen, Norway
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- Challenges in the Direct Determination of 17Oexcess in Microliter Amount of Water Extracted From Speleothem Fluid Inclusions S. Affolter & M. Leuenberger 10.3389/feart.2021.612436
- Quantifying the Stable Water Isotopologue Exchange Between the Snow Surface and Lower Atmosphere by Direct Flux Measurements S. Wahl et al. 10.1029/2020JD034400
- High-resolution stable isotope signature of a land-falling atmospheric river in southern Norway Y. Weng et al. 10.5194/wcd-2-713-2021
- A dedicated robust instrument for water vapor generation at low humidity for use with a laser water isotope analyzer in cold and dry polar regions C. Leroy-Dos Santos et al. 10.5194/amt-14-2907-2021
- 片上红外气体传感技术的研究进展（特邀） 皮. PI Mingquan et al. 10.3788/gzxb20235203.0352106
- A flexible device to produce a gas stream with a precisely controlled water vapour mixing ratio and isotope composition based on microdrop dispensing technology H. Sodemann et al. 10.5194/amt-16-5181-2023
- Abrupt excursions in water vapor isotopic variability at the Pointe Benedicte observatory on Amsterdam Island A. Landais et al. 10.5194/acp-24-4611-2024
- Influencing Factors and Calibration of the Direct Vapor Equilibration Method for Measuring Soil Water Isotopes Z. Xing et al. 10.3390/w17010116
- A modular field system for near-surface, vertical profiling of the atmospheric composition in harsh environments using cavity ring-down spectroscopy A. Seidl et al. 10.5194/amt-16-769-2023
- Integrating the controlled evaporation mixer with cavity ring-down spectroscopy for enhanced water vapor isotope calibration J. Moon et al. 10.1186/s40543-024-00455-z
27 citations as recorded by crossref.
- Flushing or mixing? Stable water isotopes reveal differences in arctic forest and peatland soil water seasonality F. Muhic et al. 10.1002/hyp.14811
- Characterization and Correction of Evaporative Artifacts in Speleothem Fluid Inclusion Isotope Analyses as Applied to a Stalagmite From Borneo A. Fernandez et al. 10.1029/2023GC010857
- Identifying airborne snow metamorphism with stable water isotopes S. Wahl et al. 10.5194/tc-18-4493-2024
- Characterizing water vapour concentration dependence of commercial cavity ring-down spectrometers for continuous on-site atmospheric water vapour isotope measurements in the tropics S. Komiya et al. 10.5194/amt-14-1439-2021
- FLIIMP - a community software for the processing, calibration, and reporting of liquid water isotope measurements on cavity-ring down spectrometers H. Sodemann et al. 10.1016/j.mex.2023.102297
- Data treatment and corrections for estimating H2O and CO2 isotope fluxes from high-frequency observations R. Moonen et al. 10.5194/amt-16-5787-2023
- Comparison of Mann–Kendall and Şen’s innovative trend method for climatic parameters over Nigeria’s climatic zones E. Agbo et al. 10.1007/s00382-022-06521-9
- The role of sublimation as a driver of climate signals in the water isotope content of surface snow: laboratory and field experimental results A. Hughes et al. 10.5194/tc-15-4949-2021
- The triple oxygen isotope composition of phytoliths, a new proxy of atmospheric relative humidity: controls of soil water isotope composition, temperature, CO2 concentration and relative humidity C. Outrequin et al. 10.5194/cp-17-1881-2021
- A versatile water vapor generation module for vapor isotope calibration and liquid isotope measurements H. Steen-Larsen & D. Zannoni 10.5194/amt-17-4391-2024
- Isotopic measurements in water vapor, precipitation, and seawater during EUREC4A A. Bailey et al. 10.5194/essd-15-465-2023
- 17O‐excess and d‐excess of atmospheric water vapor measured by cavity ring‐down spectrometry: Evidence of a matrix effect and implication for the calibration procedure C. Voigt et al. 10.1002/rcm.9227
- A set of methods to evaluate the below-cloud evaporation effect on local precipitation isotopic composition: a case study for Xi'an, China M. Xing et al. 10.5194/acp-23-9123-2023
- OF–CEAS laser spectroscopy to measure water isotopes in dry environments: example of application in Antarctica T. Lauwers et al. 10.5194/amt-18-1135-2025
- Experimental investigation of the stable water isotope distribution in an Alpine lake environment (L-WAIVE) P. Chazette et al. 10.5194/acp-21-10911-2021
- EUREC4A observations from the SAFIRE ATR42 aircraft S. Bony et al. 10.5194/essd-14-2021-2022
- Reliable water vapour isotopic composition measurements at low humidity using frequency-stabilised cavity ring-down spectroscopy M. Casado et al. 10.5194/amt-17-4599-2024
- Challenges in the Direct Determination of 17Oexcess in Microliter Amount of Water Extracted From Speleothem Fluid Inclusions S. Affolter & M. Leuenberger 10.3389/feart.2021.612436
- Quantifying the Stable Water Isotopologue Exchange Between the Snow Surface and Lower Atmosphere by Direct Flux Measurements S. Wahl et al. 10.1029/2020JD034400
- High-resolution stable isotope signature of a land-falling atmospheric river in southern Norway Y. Weng et al. 10.5194/wcd-2-713-2021
- A dedicated robust instrument for water vapor generation at low humidity for use with a laser water isotope analyzer in cold and dry polar regions C. Leroy-Dos Santos et al. 10.5194/amt-14-2907-2021
- 片上红外气体传感技术的研究进展（特邀） 皮. PI Mingquan et al. 10.3788/gzxb20235203.0352106
- A flexible device to produce a gas stream with a precisely controlled water vapour mixing ratio and isotope composition based on microdrop dispensing technology H. Sodemann et al. 10.5194/amt-16-5181-2023
- Abrupt excursions in water vapor isotopic variability at the Pointe Benedicte observatory on Amsterdam Island A. Landais et al. 10.5194/acp-24-4611-2024
- Influencing Factors and Calibration of the Direct Vapor Equilibration Method for Measuring Soil Water Isotopes Z. Xing et al. 10.3390/w17010116
- A modular field system for near-surface, vertical profiling of the atmospheric composition in harsh environments using cavity ring-down spectroscopy A. Seidl et al. 10.5194/amt-16-769-2023
- Integrating the controlled evaporation mixer with cavity ring-down spectroscopy for enhanced water vapor isotope calibration J. Moon et al. 10.1186/s40543-024-00455-z
Latest update: 09 Apr 2025
Short summary
We find that the known mixing ratio dependence of laser spectrometers for water vapour isotope measurements varies with isotope composition. We have developed a scheme to correct for this isotope-composition-dependent bias. The correction is most substantial at low mixing ratios. Stability tests indicate that the first-order dependency is a constant instrument characteristic. Water vapour isotope measurements at low mixing ratios can now be corrected by following our proposed procedure.
We find that the known mixing ratio dependence of laser spectrometers for water vapour isotope...
