Atmospheric carbon dioxide variations at Mauna Loa Observatory, Hawaii
Abstract
The concentration of atmospheric carbon dioxide at Mauna Loa Observatory, Hawaii is reported for eight years (1964-1971) of a long term program to document the effects of the combustion of coal, petroleum, and natural gas on the distribution of CO, in the atmosphere. The new data, when combined with earlier data, indicate that the annual average CO, concentration rose 3.4 '% between 1959 and 1971. The rate of rise, however, has not been steady. In the mid-1960's it declined. Recently it has accelerated. Similar changes in rate have been observed at the South Pole and are evidently a global phenomenon.
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- Authors
- Keeling, C. D., Bacastow, R. B., Bainbridge, A. E., Ekdahl, C. A., Guenther, P. R., Waterman, L. S., & Chin, J. F. S.
- Venue
- Tellus
- Publisher
- Stockholm University Press
- Published
- 1976-12
- Volume
- 28
- Issue
- 6
- Pages
- 538-551
- ISSN
- 0040-2826 (ISSN-L)
- 2153-3490
- OpenAlex
- W2162066053
- Cited by
- 794
- References
- 20
- Citations by year
- 2026: 26 · 2025: 32 · 2024: 47 · 2023: 33 · 2022: 40 · 2021: 30 · 2020: 28 · 2019: 19 · 2018: 28 · 2017: 32 · 2016: 23 · 2015: 29 · 2014: 25 · 2013: 30 · 2012: 14
- FWCI
- 38.01
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- Tellus (publishedVersion)
- Topics
- Physical Sciences › Environmental Science › Global and Planetary Change › Atmospheric and Environmental Gas Dynamics
- Physical Sciences › Environmental Science › Global and Planetary Change › Climate variability and models
- Physical Sciences › Environmental Science › Global and Planetary Change › Climate Change and Environmental Impact
- Keywords
- atmospheric CO2, Mauna Loa Observatory, fossil fuel combustion, anthropogenic CO2 emissions, CO2 concentration increase
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.
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