"Impact of the variability of O2 and CO2 biosphere exchange on modeled O2-based fossil fuel CO2 emission estimates" - Interactive discussion https://egusphere.copernicus.org/preprints/2026/egusphere-2026-4491/ 2026-10-06T16:59:56+02:00 Copernicus Publicationshttps://egusphere.copernicus.org/preprints/2026/egusphere-2026-4491/egusphere-2026-4491-RC1.pdfRC1: 'Comment on egusphere-2026-4491', Anonymous Referee #1, 06 Oct 2026RC1: 'Comment on egusphere-2026-4491', Anonymous Referee #1, 06 Oct 2026Anonymous Referee #12026-10-06T16:59:56+02:002026-10-06T16:59:56+02:00