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Here, we synthesize data across climate zones and land use types to show, for the first time, that global ditches emit notable amounts of carbon dioxide (CO\n                    <jats:sub>2<\/jats:sub>\n                    ) and nitrous oxide (N\n                    <jats:sub>2<\/jats:sub>\n                    O). Ditches had higher per\u2010area emissions of CO\n                    <jats:sub>2<\/jats:sub>\n                    and N\n                    <jats:sub>2<\/jats:sub>\n                    O than ponds, lakes, and reservoirs, likely due to high nutrient inputs. Preliminary upscaling showed that the inclusion of ditches would increase global inland water CO\n                    <jats:sub>2<\/jats:sub>\n                    emissions by 0.6%\u20131% and N\n                    <jats:sub>2<\/jats:sub>\n                    O emissions by 3%\u20139%. Trophic state and climate influenced N\n                    <jats:sub>2<\/jats:sub>\n                    O emissions, while CO\n                    <jats:sub>2<\/jats:sub>\n                    emissions had complex drivers difficult to disentangle at the global scale. This research highlights the importance of including ditches in global inland water GHG budgets and informs more accurate reporting of anthropogenic emissions in national inventories.\n                  <\/jats:p>","DOI":"10.1111\/gcb.70079","type":"journal-article","created":{"date-parts":[[2025,3,12]],"date-time":"2025-03-12T01:02:36Z","timestamp":1741741356000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":28,"title":["The Importance of Ditches and Canals in Global Inland Water\n                    <scp>\n                      CO\n                      <sub>2<\/sub>\n                    <\/scp>\n                    and\n                    <scp>\n                      N\n                      <sub>2<\/sub>\n                      O\n                    <\/scp>\n                    Budgets"],"prefix":"10.1111","volume":"31","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-6152-6573","authenticated-orcid":false,"given":"Teresa","family":"Silverthorn","sequence":"first","affiliation":[{"name":"Department of Geography and Planning, School of Environmental Sciences University of Liverpool  Liverpool UK"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-5839-8793","authenticated-orcid":false,"given":"Joachim","family":"Audet","sequence":"additional","affiliation":[{"name":"Department of Ecoscience Aarhus University  Aarhus Denmark"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-7052-354X","authenticated-orcid":false,"given":"Chris D.","family":"Evans","sequence":"additional","affiliation":[{"name":"UK Centre for Ecology &amp; Hydrology  Bangor 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Environmental Sciences Radboud University  Nijmegen the Netherlands"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-7404-6963","authenticated-orcid":false,"given":"Quinten","family":"Struik","sequence":"additional","affiliation":[{"name":"Department of Ecology, Radboud Institute for Biological and Environmental Sciences Radboud University  Nijmegen the Netherlands"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-1274-363X","authenticated-orcid":false,"given":"Jackie","family":"Webb","sequence":"additional","affiliation":[{"name":"School of Agriculture and Environmental Science University of Southern Queensland  Toowoomba Queensland Australia"},{"name":"Centre for Sustainable Agricultural Systems University of Southern Queensland  Toowoomba Queensland Australia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0009-0004-5551-2801","authenticated-orcid":false,"given":"Wenxin","family":"Wu","sequence":"additional","affiliation":[{"name":"Ecohydrology Research Group, Department of Earth and Environmental Sciences University of Waterloo  Ontario Canada"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Zhifeng","family":"Yan","sequence":"additional","affiliation":[{"name":"Institute of Surface Earth System Science, School of Earth System Science Tianjin University  Tianjin China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-3086-2854","authenticated-orcid":false,"given":"Mike","family":"Peacock","sequence":"additional","affiliation":[{"name":"Department of Geography and Planning, School of Environmental Sciences University of Liverpool  Liverpool UK"},{"name":"Department of Aquatic Sciences and Assessment Swedish University of 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