The DOI matches its Crossref record; 2 of the 2 references it cites were found in a registry or an index.
Atmospheric carbon dioxide at Mauna Loa Observatory: 2. Analysis of the NOAA GMCC data, 1974–1985
Abstract
The first 12 years (1974–1985) of continuous atmospheric CO 2 measurements from the NOAA GMCC program at the Mauna Loa Observatory in Hawaii are analyzed. Hourly and daily variations in the concentration of CO 2 due to local sources and sinks are described, with subsequent selection of data representing background concentrations. A digital filtering technique using the fast Fourier transform and low‐pass filters was used to smooth the selected data and to separate the seasonal cycle from the long‐term increase in CO 2 . The amplitude of the seasonal cycle was found to be increasing at a rate of 0.05±0.02 ppm yr −1 . The average growth rate of CO 2 was 1.42±0.02 ppm yr −1 , and the fraction of CO 2 remaining in the atmosphere from fossil fuel combustion was 59%. A comparison between the Mauna Loa continuous CO 2 data and the CO 2 flask sample data from the sea level site at Cape Kumukahi, Hawaii, showed that the amplitude of the seasonal cycle at Cape Kumukahi was 23% larger than at Mauna Loa, with the phase of the cycle at Mauna Loa lagging the cycle at Cape Kumukahi by about 1–2 weeks.
Overview
The claims and statistics of this paper haven’t been checked yet.
Run the check — free, no account needed. It reads the open-access text and checks the sources it cites.
Integrity signals
Registry
Cites
Statistics
Verification
Claims the paper makes
The claims and statistics of this paper haven’t been checked yet.
Run the check — free, no account needed. It reads the open-access text and checks the sources it cites.
Self-check
Percentages, sums and reported differences re-computed from the paper’s own numbers.
The self-check needs the paper’s full text.
Citations
Cites
Atmospheric carbon dioxide variations at Mauna Loa Observatory, Hawaii
Keeling, C. D., Bacastow, R. B., Bainbridge, A. E., Ekdahl, C. A., Guenther, P. R., Waterman, L. S., & Chin, J. F. S. (1976) · Tellus · doi:10.1111/j.2153-3490.1976.tb00701.x · Cited by 794
Seasonal amplitude increase in atmospheric CO 2 concentration at Mauna Loa, Hawaii, 1959–1982
Bacastow, R. B., Keeling, C. D., & Whorf, T. P. (1985) · Journal of Geophysical Research: Atmospheres · doi:10.1029/jd090id06p10529 · Cited by 250
Cited by
A global crisis for seagrass ecosystems
ORTH, R. J., CARRUTHERS, T. J. B., DENNISON, W. C., DUARTE, C. M., FOURQUREAN, J. W., HECK, K. L., HUGHES, A. R., KENDRICK, G. A., KENWORTHY, W. J., OLYARNIK, S., et al. (2006) · BioScience · doi:10.1641/0006-3568(2006)56[987:agcfse]2.0.co;2 · Cited by 3,100
The Global Methane Budget 2000–2017
Saunois, M., Stavert, A. R., Poulter, B., Bousquet, P., Canadell, J. G., Jackson, R. B., Raymond, P. A., Dlugokencky, E. J., Houweling, S., Patra, P. K., et al. (2019) · doi:10.5194/essd-2019-128 · Cited by 2,760
The Global Methane Budget 2000–2017
Saunois, M., Stavert, A. R., Poulter, B., Bousquet, P., Canadell, J. G., Jackson, R. B., Raymond, P. A., Dlugokencky, E. J., Houweling, S., Patra, P. K., et al. (2020) · Earth System Science Data · doi:10.5194/essd-12-1561-2020 · Cited by 2,711
Net carbon dioxide losses of northern ecosystems in response to autumn warming
Piao, S., Ciais, P., Friedlingstein, P., Peylin, P., Reichstein, M., Luyssaert, S., Margolis, H., Fang, J., Barr, A., Chen, A., et al. (2008) · Nature · doi:10.1038/nature06444 · Cited by 1,157
Anthropogenic emissions of methane in the United States
Miller, S. M., Wofsy, S. C., Michalak, A. M., Kort, E. A., Andrews, A. E., Biraud, S. C., Dlugokencky, E. J., Eluszkiewicz, J., Fischer, M. L., Janssens-Maenhout, G., et al. (2013) · Proceedings of the National Academy of Sciences · doi:10.1073/pnas.1314392110 · Cited by 538
Metadata
- Authors
- Thoning, K. W., Tans, P. P., & Komhyr, W. D.
- Venue
- Journal of Geophysical Research: Atmospheres
- Publisher
- American Geophysical Union (AGU)
- Published
- 1989-06-20
- Volume
- 94
- Issue
- D6
- Pages
- 8549-8565
- ISSN
- 0148-0227 (ISSN-L)
- OpenAlex
- W2039731403
- Cited by
- 923
- References
- 2
- FWCI
- 12.33
- Type
- journal article
- Language
- en
- Open access
- closed
About these checks
Registry, retraction, Cites and statistics results are computed, not judged, with one exception: a printed reference that no index lists is read once by a model before it counts as a citation error. Claims are extracted by a model and kept only when their quote appears verbatim in the text; each cited source is then checked, with a model’s help, for whether it says what the claim relies on. Those verdicts can be wrong — read the claim’s quote and the cited source before relying on one.
Statistics and arithmetic are recomputed, not judged.
Confidence bands are shown only for fields calibrated on our annotated test set. None is calibrated yet, so no band is shown.
What counts as a claim ›How we measure confidence ›How we check this ›
Are you an author, or do you see a problem with this page? Request a review
How to cite
Cite CoChat for the checks on this page, and the paper for its own findings.
- This page
- CoChat. (2026). Citation check: Atmospheric carbon dioxide at Mauna Loa Observatory: 2. Analysis of the NOAA GMCC data, 1974–1985. https://app.cochat.ai/papers/10.1029/jd094id06p08549
- The paper
- Thoning, K. W., Tans, P. P., & Komhyr, W. D. (1989). Atmospheric carbon dioxide at Mauna Loa Observatory: 2. Analysis of the NOAA GMCC data, 1974–1985. Journal of Geophysical Research: Atmospheres. https://doi.org/10.1029/jd094id06p08549
Data sources
Bibliographic data: Semantic Scholar, OpenAlex, Crossref.
Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.