{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,15]],"date-time":"2026-10-15T11:00:39Z","timestamp":1792062039981,"version":"4.4.0"},"reference-count":71,"publisher":"American Association for the Advancement of Science (AAAS)","issue":"38","license":[{"start":{"date-parts":[[2025,9,17]],"date-time":"2025-09-17T00:00:00Z","timestamp":1758067200000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/www.science.org\/content\/page\/science-licenses-journal-article-reuse"}],"content-domain":{"domain":["www.science.org"],"crossmark-restriction":true},"short-container-title":["Sci. Adv."],"published-print":{"date-parts":[[2025,9,19]]},"abstract":"<jats:p>\n            Whether greenhouse gas (GHG) emissions from permafrost will trigger positive climate feedbacks under warming remains unknown. Here, we synthesized the response of growing season carbon dioxide (CO\n            <jats:sub>2<\/jats:sub>\n            ), methane (CH\n            <jats:sub>4<\/jats:sub>\n            ), and nitrous oxide (N\n            <jats:sub>2<\/jats:sub>\n            O) emissions to experimentally manipulated warming of ~2\u00b0C for permafrost in alpine and Arctic regions. Warming weakened the GHG sink of alpine permafrost, thereby increasing (13%) its global warming potential, but strengthened the GHG sink of Arctic permafrost and decreased (\u221210%) its global warming potential. When warming caused drying of alpine permafrost soils, the CO\n            <jats:sub>2<\/jats:sub>\n            sink weakened but the CH\n            <jats:sub>4<\/jats:sub>\n            sink increased. In contrast, warming of relatively wet Arctic permafrost increased the CO\n            <jats:sub>2<\/jats:sub>\n            sink and CH\n            <jats:sub>4<\/jats:sub>\n            source. Warming led to much stronger increases of the N\n            <jats:sub>2<\/jats:sub>\n            O source in alpine than Arctic permafrost. Although keeping additional warming below 2\u00b0C in permafrost regions can avoid the positive permafrost-climate feedback, measures are needed to maintain fragile carbon sink of alpine permafrost ecosystems.\n          <\/jats:p>","DOI":"10.1126\/sciadv.adt8366","type":"journal-article","created":{"date-parts":[[2025,9,17]],"date-time":"2025-09-17T17:59:22Z","timestamp":1758131962000},"update-policy":"https:\/\/doi.org\/10.34133\/aaas_crossmark","source":"Crossref","is-referenced-by-count":11,"title":["Climate-carbon feedback tradeoff between Arctic and alpine permafrost under warming"],"prefix":"10.1126","volume":"11","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-0262-6333","authenticated-orcid":true,"given":"Tao","family":"Bao","sequence":"first","affiliation":[{"name":"State Key Laboratory of Earth System Numerical Modeling and Application, Institute of Atmospheric Physics, Chinese Academy of Sciences, Beijing 100029, 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