A global atmospheric methane record from a tropical ice core
Nature, Published online: 19 August 2026; doi:10.1038/s41586-026-10938-1A 2,000-year Peruvian ice core record of atmospheric CH4 concentrations contains the first historical global CH4 record from the low latitudes, and implementation of a four-box model indicates higher equatorial CH4 strength than previous estimates from polar-only records.
Nature, Published online: 19 August 2026; doi:10.1038/s41586-026-10938-1A 2,000-year Peruvian ice core record of atmospheric CH4 concentrations contains the first historical global CH4 record from the low latitudes, and implementation of a four-box model indicates higher equatorial CH4 strength than previous estimates from polar-only records.
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