The DOI matches its Crossref record; 27 of the 28 references it cites were found in a registry or an index.
Unexpected Changes to the Global Methane Budget over the Past 2000 Years
Open accessAbstract
We report a 2000-year Antarctic ice-core record of stable carbon isotope measurements in atmospheric methane (δ 13 CH 4 ). Large δ 13 CH 4 variations indicate that the methane budget varied unexpectedly during the late preindustrial Holocene (circa 0 to 1700 A.D.). During the first thousand years (0 to 1000 A.D.), δ 13 CH 4 was at least 2 per mil enriched compared to expected values, and during the following 700 years, an about 2 per mil depletion occurred. Our modeled methane source partitioning implies that biomass burning emissions were high from 0 to 1000 A.D. but reduced by almost ∼40% over the next 700 years. We suggest that both human activities and natural climate change influenced preindustrial biomass burning emissions and that these emissions have been previously understated in late preindustrial Holocene methane budget research.
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In the citing paper
“The δ 13 C curve for CH4 shows a marked decrease of ~1.5 ‰ from ~1500 -1700 C.E.”
From The Anthropocene is functionally and stratigraphically distinct from the Holocene (2016) · cites this paper as [72]
In the citing paper
“perhaps a response to reduced biomass burning ( 72 )”
From The Anthropocene is functionally and stratigraphically distinct from the Holocene (2016) · cites this paper as [72]
In the citing paper
“Then, there is unprecedented increase to 1700 ppb by 2004 C.E. ( 72 )”
From The Anthropocene is functionally and stratigraphically distinct from the Holocene (2016) · cites this paper as [72]
In the citing paper
“Ice core records show atmospheric methane (CH4) concentrations range from 590 -760 ppb through much of the Holocene ( 71-75 ) up to 1700 C.E.”
From The Anthropocene is functionally and stratigraphically distinct from the Holocene (2016) · cites this paper as [72]
In the citing paper
“and subsequent abrupt rise from ~1875 C.E. to present of ~2.5 ‰”
From The Anthropocene is functionally and stratigraphically distinct from the Holocene (2016) · cites this paper as [72]
Citations
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Metadata
- Authors
- Ferretti, D. F., Miller, J. B., White, J. W. C., Etheridge, D. M., Lassey, K. R., Lowe, D. C., Meure, C. M. M., Dreier, M. F., Trudinger, C. M., van Ommen, T. D., & Langenfelds, R. L.
- Affiliations
- Commonwealth Scientific and Industrial Research Organisation (AU)
- Institute of Arctic and Alpine Research, University of Colorado, Boulder, CO 80309, USA.
- Corresponding author
- Ferretti, D. F.
- ORCID
- Venue
- Science
- Published
- 2005-09-09
- Volume
- 309
- Issue
- 5741
- Pages
- 1714-1717
- ISSN
- 0036-8075 (ISSN-L)
- 1095-9203
- OpenAlex
- W2168755153
- Cited by
- 335
- References
- 28
- Citations by year
- 2026: 7 · 2025: 11 · 2024: 16 · 2023: 12 · 2022: 10 · 2021: 13 · 2020: 10 · 2019: 25 · 2018: 12 · 2017: 13 · 2016: 14 · 2015: 14 · 2014: 15 · 2013: 22 · 2012: 12
- FWCI
- 24.43
- Type
- journal article
- Language
- en
- Open access
- green
- figshare.com
- Licence
- cc-by
- Locations
- Science (publishedVersion)
- PubMed (publishedVersion)
- eCite Digital Repository (University of Tasmania) (submittedVersion)
- Figshare (submittedVersion, cc-by)
- Topics
- Physical Sciences › Environmental Science › Global and Planetary Change › Atmospheric and Environmental Gas Dynamics
- Physical Sciences › Earth and Planetary Sciences › Atmospheric Science › Geology and Paleoclimatology Research
- Physical Sciences › Environmental Science › Environmental Chemistry › Methane Hydrates and Related Phenomena
- Keywords
- atmospheric methane, methane isotopes, carbon-13, Holocene, Antarctic ice cores, methane budget, biomass burning emissions, paleoclimate, natural climate change
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 ›
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