{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,15]],"date-time":"2026-10-15T04:53:53Z","timestamp":1792040033368,"version":"4.4.0"},"reference-count":44,"publisher":"Elsevier BV","license":[{"start":{"date-parts":[[2025,4,1]],"date-time":"2025-04-01T00:00:00Z","timestamp":1743465600000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.elsevier.com\/tdm\/userlicense\/1.0\/"},{"start":{"date-parts":[[2025,4,1]],"date-time":"2025-04-01T00:00:00Z","timestamp":1743465600000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.elsevier.com\/legal\/tdmrep-license"},{"start":{"date-parts":[[2025,4,1]],"date-time":"2025-04-01T00:00:00Z","timestamp":1743465600000},"content-version":"stm-asf","delay-in-days":0,"URL":"https:\/\/doi.org\/10.15223\/policy-017"},{"start":{"date-parts":[[2025,4,1]],"date-time":"2025-04-01T00:00:00Z","timestamp":1743465600000},"content-version":"stm-asf","delay-in-days":0,"URL":"https:\/\/doi.org\/10.15223\/policy-037"},{"start":{"date-parts":[[2025,4,1]],"date-time":"2025-04-01T00:00:00Z","timestamp":1743465600000},"content-version":"stm-asf","delay-in-days":0,"URL":"https:\/\/doi.org\/10.15223\/policy-012"},{"start":{"date-parts":[[2025,4,1]],"date-time":"2025-04-01T00:00:00Z","timestamp":1743465600000},"content-version":"stm-asf","delay-in-days":0,"URL":"https:\/\/doi.org\/10.15223\/policy-029"},{"start":{"date-parts":[[2025,4,1]],"date-time":"2025-04-01T00:00:00Z","timestamp":1743465600000},"content-version":"stm-asf","delay-in-days":0,"URL":"https:\/\/doi.org\/10.15223\/policy-004"}],"funder":[{"DOI":"10.13039\/501100012166","name":"National Key Research and Development Program of China","doi-asserted-by":"publisher","award":["2020YFA0607501"],"award-info":[{"award-number":["2020YFA0607501"]}],"id":[{"id":"10.13039\/501100012166","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100012166","name":"National Key Research and Development Program of China","doi-asserted-by":"publisher","award":["2019YFA0607202"],"award-info":[{"award-number":["2019YFA0607202"]}],"id":[{"id":"10.13039\/501100012166","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100001809","name":"National Natural Science Foundation of China","doi-asserted-by":"publisher","award":["42105117"],"award-info":[{"award-number":["42105117"]}],"id":[{"id":"10.13039\/501100001809","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100001809","name":"National Natural Science Foundation of China","doi-asserted-by":"publisher","award":["41975143"],"award-info":[{"award-number":["41975143"]}],"id":[{"id":"10.13039\/501100001809","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100001809","name":"National Natural Science Foundation of China","doi-asserted-by":"publisher","award":["42475125"],"award-info":[{"award-number":["42475125"]}],"id":[{"id":"10.13039\/501100001809","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100001809","name":"National Natural Science Foundation of China","doi-asserted-by":"publisher","award":["42021004"],"award-info":[{"award-number":["42021004"]}],"id":[{"id":"10.13039\/501100001809","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100017534","name":"Project 333 of Jiangsu Province","doi-asserted-by":"publisher","award":["BRA2017402"],"award-info":[{"award-number":["BRA2017402"]}],"id":[{"id":"10.13039\/501100017534","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["elsevier.com","sciencedirect.com"],"crossmark-restriction":true},"short-container-title":["Science of The Total Environment"],"published-print":{"date-parts":[[2025,4]]},"DOI":"10.1016\/j.scitotenv.2025.178884","type":"journal-article","created":{"date-parts":[[2025,3,24]],"date-time":"2025-03-24T12:09:37Z","timestamp":1742818177000},"page":"178884","update-policy":"https:\/\/doi.org\/10.1016\/elsevier_cm_policy","source":"Crossref","is-referenced-by-count":3,"special_numbering":"C","title":["Observed CO2 concentration reveals steep decrease of anthropogenic emissions in winters of 2021 and 2022 in Hangzhou and Yangtze River Delta region, China"],"prefix":"10.1016","volume":"974","author":[{"given":"Cheng","family":"Hu","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Huili","family":"Liu","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yifan","family":"Zhang","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yu","family":"Cui","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Fan","family":"Sun","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Xuejing","family":"Shi","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Junqing","family":"Zhang","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yanrong","family":"Yang","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Leying","family":"Zhang","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Bing","family":"Qi","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Qitao","family":"Xiao","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ning","family":"Hu","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Timothy J.","family":"Griffis","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Wei","family":"Xiao","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"78","reference":[{"issue":"11","key":"10.1016\/j.scitotenv.2025.178884_bb0005","doi-asserted-by":"crossref","first-page":"7347","DOI":"10.5194\/acp-19-7347-2019","article-title":"Modelling CO2 weather\u2013why horizontal resolution matters[J]","volume":"19","author":"Agust\u00ed-Panareda","year":"2019","journal-title":"Atmospheric Chemistry and Physics"},{"issue":"5","key":"10.1016\/j.scitotenv.2025.178884_bb0010","doi-asserted-by":"crossref","first-page":"412","DOI":"10.1038\/s41558-022-01332-6","article-title":"Emissions rebound from the COVID-19 pandemic[J]","volume":"12","author":"Davis","year":"2022","journal-title":"Nature Climate Change"},{"key":"10.1016\/j.scitotenv.2025.178884_bb0015","doi-asserted-by":"crossref","DOI":"10.1016\/j.atmosres.2021.105884","article-title":"Variation of carbon dioxide mole fraction at a typical urban area in the Yangtze River Delta, China[J]","volume":"265","author":"Fang","year":"2022","journal-title":"Atmos. Res."},{"issue":"5","key":"10.1016\/j.scitotenv.2025.178884_bb0020","doi-asserted-by":"crossref","first-page":"2541","DOI":"10.5194\/acp-14-2541-2014","article-title":"In situ measurement of atmospheric CO2 at the four WMO\/GAW stations in China[J]","volume":"14","author":"Fang","year":"2014","journal-title":"Atmospheric Chemistry and Physics"},{"key":"10.1016\/j.scitotenv.2025.178884_bb0025","doi-asserted-by":"crossref","first-page":"1192","DOI":"10.1016\/j.scitotenv.2018.03.126","article-title":"Spatiotemporal variability of the near-surface CO2 concentration across an industrial-urban-rural transect, Nanjing, China[J]","volume":"631","author":"Gao","year":"2018","journal-title":"Sci. Total Environ."},{"issue":"35","key":"10.1016\/j.scitotenv.2025.178884_bb0030","doi-asserted-by":"crossref","first-page":"7654","DOI":"10.1016\/j.atmosenv.2007.08.018","article-title":"Elevated atmospheric CO2 concentration and temperature across an urban\u2013rural transect[J]","volume":"41","author":"George","year":"2007","journal-title":"Atmos. Environ."},{"key":"10.1016\/j.scitotenv.2025.178884_bb0035","doi-asserted-by":"crossref","DOI":"10.1016\/j.scitotenv.2020.141688","article-title":"Assessing the recent impact of COVID-19 on carbon emissions from China using domestic economic data[J]","volume":"750","author":"Han","year":"2021","journal-title":"Sci. Total Environ."},{"key":"10.1016\/j.scitotenv.2025.178884_bb0040","doi-asserted-by":"crossref","first-page":"23157","DOI":"10.1007\/s11356-018-2325-3","article-title":"Anthropogenic CO2 emissions from a megacity in the Yangtze River Delta of China[J]","volume":"25","author":"Hu","year":"2018","journal-title":"Environ. Sci. Pollut. Res."},{"issue":"13","key":"10.1016\/j.scitotenv.2025.178884_bb0045","doi-asserted-by":"crossref","first-page":"10015","DOI":"10.5194\/acp-21-10015-2021","article-title":"Anthropogenic and natural controls on atmospheric \u03b413C-CO2 variations in the Yangtze River delta: insights from a carbon isotope modeling framework","volume":"21","author":"Hu","year":"2021","journal-title":"Atmospheric Chemistry and Physics"},{"key":"10.1016\/j.scitotenv.2025.178884_bb0050","doi-asserted-by":"crossref","DOI":"10.1016\/j.envpol.2022.119767","article-title":"Anthropogenic CO2 emission reduction during the COVID-19 pandemic in Nanchang City, China[J]","volume":"309","author":"Hu","year":"2022","journal-title":"Environ. Pollut."},{"issue":"7","key":"10.1016\/j.scitotenv.2025.178884_bb0055","doi-asserted-by":"crossref","first-page":"4501","DOI":"10.5194\/acp-23-4501-2023","article-title":"Global warming will largely increase waste treatment CH4 emissions in Chinese megacities: insight from the first city-scale CH4 concentration observation network in Hangzhou, China[J]","volume":"23","author":"Hu","year":"2023","journal-title":"Atmospheric Chemistry and Physics"},{"issue":"8","key":"10.1016\/j.scitotenv.2025.178884_bb0060","doi-asserted-by":"crossref","DOI":"10.1029\/2022JD037915","article-title":"Estimation of anthropogenic CH4 and CO2 emissions in Taiyuan-Jinzhong region: one of the World\u2019s largest emission hotspots[J]","volume":"128","author":"Hu","year":"2023","journal-title":"J. Geophys. Res. Atmos."},{"issue":"10","key":"10.1016\/j.scitotenv.2025.178884_bb0065","doi-asserted-by":"crossref","first-page":"853","DOI":"10.1021\/acs.estlett.1c00600","article-title":"Highly resolved dynamic emissions of air pollutants and greenhouse gas CO2 during COVID-19 pandemic in East China[J]","volume":"8","author":"Huang","year":"2021","journal-title":"Environ. Sci. Technol. Lett."},{"issue":"2","key":"10.1016\/j.scitotenv.2025.178884_bb0070","doi-asserted-by":"crossref","first-page":"95","DOI":"10.1080\/02723646.1998.10642642","article-title":"The urban CO2 dome of Phoenix, Arizona[J]","volume":"19","author":"Idso","year":"1998","journal-title":"Phys. Geogr."},{"issue":"10","key":"10.1016\/j.scitotenv.2025.178884_bb0075","doi-asserted-by":"crossref","first-page":"1655","DOI":"10.1016\/S1352-2310(02)00159-0","article-title":"Seasonal and diurnal variations of near-surface atmospheric CO2 concentration within a residential sector of the urban CO2 dome of Phoenix, AZ, USA[J]","volume":"36","author":"Idso","year":"2002","journal-title":"Atmos. Environ."},{"issue":"7","key":"10.1016\/j.scitotenv.2025.178884_bb0080","doi-asserted-by":"crossref","first-page":"647","DOI":"10.1038\/s41558-020-0797-x","article-title":"Temporary reduction in daily global CO2 emissions during the COVID-19 forced confinement[J]","volume":"10","author":"Le Qu\u00e9r\u00e9","year":"2020","journal-title":"Nat. Clim. Chang."},{"issue":"3","key":"10.1016\/j.scitotenv.2025.178884_bb0085","doi-asserted-by":"crossref","first-page":"197","DOI":"10.1038\/s41558-021-01001-0","article-title":"Fossil CO2 emissions in the post-COVID-19 era[J]","volume":"11","author":"Le Qu\u00e9r\u00e9","year":"2021","journal-title":"Nat. Clim. Chang."},{"issue":"29","key":"10.1016\/j.scitotenv.2025.178884_bb0090","doi-asserted-by":"crossref","first-page":"eadg7429","DOI":"10.1126\/sciadv.adg7429","article-title":"Satellite reveals a steep decline in China\u2019s CO2 emissions in early 2022[J]","volume":"9","author":"Li","year":"2023","journal-title":"Sci. Adv."},{"key":"10.1016\/j.scitotenv.2025.178884_bb0095","doi-asserted-by":"crossref","first-page":"517","DOI":"10.3390\/rs11050517","article-title":"A global, 0.05-degree product of solar-induced chlorophyll fluorescence derived from OCO-2,MODIS, and reanalysis data","volume":"11","author":"Li","year":"2019","journal-title":"Remote Sens. (Basel)"},{"issue":"4","key":"10.1016\/j.scitotenv.2025.178884_bb0100","doi-asserted-by":"crossref","first-page":"2153","DOI":"10.1021\/acs.est.1c04973","article-title":"Assessing the effectiveness of an urban CO2 monitoring network over the Paris region through the COVID-19 lockdown natural experiment[J]","volume":"56","author":"Lian","year":"2022","journal-title":"Environ. Sci. Technol."},{"key":"10.1016\/j.scitotenv.2025.178884_bb0105","first-page":"1","article-title":"Can we use atmospheric CO2 measurements to verify emission trends reported by cities? Lessons from a six-year atmospheric inversion over Paris[J]","volume":"2023","author":"Lian","year":"2023","journal-title":"EGUsphere"},{"issue":"1","key":"10.1016\/j.scitotenv.2025.178884_bb0110","doi-asserted-by":"crossref","first-page":"5172","DOI":"10.1038\/s41467-020-18922-7","article-title":"Near-real-time monitoring of global CO2 emissions reveals the effects of the COVID-19 pandemic[J]","volume":"11","author":"Liu","year":"2020","journal-title":"Nat. Commun."},{"issue":"8","key":"10.1016\/j.scitotenv.2025.178884_bb0115","doi-asserted-by":"crossref","first-page":"615","DOI":"10.1038\/s41561-022-00965-8","article-title":"Global patterns of daily CO2 emissions reductions in the first year of COVID-19[J]","volume":"15","author":"Liu","year":"2022","journal-title":"Nat. Geosci."},{"issue":"4","key":"10.1016\/j.scitotenv.2025.178884_bb0120","doi-asserted-by":"crossref","first-page":"205","DOI":"10.1038\/s43017-023-00406-z","article-title":"Monitoring global carbon emissions in 2022[J]","volume":"4","author":"Liu","year":"2023","journal-title":"Nature Reviews Earth & Environment"},{"issue":"5","key":"10.1016\/j.scitotenv.2025.178884_bb0125","doi-asserted-by":"crossref","first-page":"2606","DOI":"10.1021\/acs.est.9b06619","article-title":"Wintertime CO2, CH4, and CO emissions estimation for the Washington, DC\u2013Baltimore metropolitan area using an inverse modeling technique[J]","volume":"54","author":"Lopez-Coto","year":"2020","journal-title":"Environ. Sci. Technol."},{"key":"10.1016\/j.scitotenv.2025.178884_bb0130","doi-asserted-by":"crossref","first-page":"27","DOI":"10.1525\/elementa.127","article-title":"Quantification of urban atmospheric boundary layer greenhouse gas dry mole fraction enhancements in the dormant season: results from the Indianapolis flux experiment (INFLUX)[J]","volume":"5","author":"Miles","year":"2017","journal-title":"Elem Sci Anth"},{"key":"10.1016\/j.scitotenv.2025.178884_bb0135","unstructured":"National Bureau of Statistics of China (NBSC), 2020. Available online: http:\/\/www.stats.gov.cn\/english\/PressRelease\/202004\/t20200428_1742015.html. (Accessed 13 November 2023)."},{"issue":"2","key":"10.1016\/j.scitotenv.2025.178884_bb0140","doi-asserted-by":"crossref","first-page":"107","DOI":"10.3354\/cr01394","article-title":"Spatial variability of daytime CO2 concentration with landscape structure across urbanization gradients, Shanghai, China[J]","volume":"69","author":"Pan","year":"2016","journal-title":"Climate Res."},{"issue":"48","key":"10.1016\/j.scitotenv.2025.178884_bb0145","doi-asserted-by":"crossref","first-page":"18925","DOI":"10.1073\/pnas.0708986104","article-title":"An atmospheric perspective on North American carbon dioxide exchange: CarbonTracker[J]","volume":"104","author":"Peters","year":"2007","journal-title":"Proc. Natl. Acad. Sci."},{"key":"10.1016\/j.scitotenv.2025.178884_bb0150","article-title":"Using urban-suburban difference of atmospheric CO2 to evaluate carbon neutrality capacity in Hangzhou, China[J]","author":"Qi","year":"2024","journal-title":"J. Environ. Sci."},{"issue":"3","key":"10.1016\/j.scitotenv.2025.178884_bb0155","doi-asserted-by":"crossref","first-page":"200","DOI":"10.1038\/s41558-020-00977-5","article-title":"Impacts of COVID-19 and fiscal stimuli on global emissions and the Paris agreement[J]","volume":"11","author":"Shan","year":"2021","journal-title":"Nature Climate Change"},{"issue":"22","key":"10.1016\/j.scitotenv.2025.178884_bb0160","doi-asserted-by":"crossref","first-page":"14703","DOI":"10.5194\/acp-16-14703-2016","article-title":"The first 1-year-long estimate of the Paris region fossil fuel CO2 emissions based on atmospheric inversion[J]","volume":"16","author":"Staufer","year":"2016","journal-title":"Atmospheric Chemistry and Physics"},{"issue":"1","key":"10.1016\/j.scitotenv.2025.178884_bb0165","doi-asserted-by":"crossref","first-page":"18688","DOI":"10.1038\/s41598-020-75763-6","article-title":"Detection of fossil-fuel CO2 plummet in China due to COVID-19 by observation at Hateruma[J]","volume":"10","author":"Tohjima","year":"2020","journal-title":"Sci. Rep."},{"issue":"1","key":"10.1016\/j.scitotenv.2025.178884_bb0170","doi-asserted-by":"crossref","first-page":"10","DOI":"10.1186\/s40645-023-00542-6","article-title":"Near-real-time estimation of fossil fuel CO2 emissions from China based on atmospheric observations on Hateruma and Yonaguni Islands, Japan[J]","volume":"10","author":"Tohjima","year":"2023","journal-title":"Prog Earth Planet Sci"},{"issue":"22","key":"10.1016\/j.scitotenv.2025.178884_bb0175","doi-asserted-by":"crossref","DOI":"10.1029\/2020GL090037","article-title":"Observed impacts of COVID-19 on urban CO2 emissions[J]","volume":"47","author":"Turner","year":"2020","journal-title":"Geophys. Res. Lett."},{"issue":"13","key":"10.1016\/j.scitotenv.2025.178884_bb0180","doi-asserted-by":"crossref","first-page":"8313","DOI":"10.5194\/acp-17-8313-2017","article-title":"Carbon dioxide and methane measurements from the Los Angeles Megacity Carbon Project\u2013part 1: calibration, urban enhancements, and uncertainty estimates[J]","volume":"17","author":"Verhulst","year":"2017","journal-title":"Atmos. Chem. Phys."},{"key":"10.1016\/j.scitotenv.2025.178884_bb0185","doi-asserted-by":"crossref","first-page":"E7","DOI":"10.1038\/s41586-021-04255-y","article-title":"The size of the land carbon sink in China","volume":"603","author":"Wang","year":"2022","journal-title":"Nature"},{"issue":"45","key":"10.1016\/j.scitotenv.2025.178884_bb0190","doi-asserted-by":"crossref","first-page":"eabf9415","DOI":"10.1126\/sciadv.abf9415","article-title":"Regional impacts of COVID-19 on carbon dioxide detected worldwide from space[J]","volume":"7","author":"Weir","year":"2021","journal-title":"Sci. Adv."},{"key":"10.1016\/j.scitotenv.2025.178884_bb0195","doi-asserted-by":"crossref","DOI":"10.1016\/j.envres.2021.111208","article-title":"The impact of COVID-19 lockdown on atmospheric CO2 in Xi\u2019an, China[J]","volume":"197","author":"Wu","year":"2021","journal-title":"Environ. Res."},{"key":"10.1016\/j.scitotenv.2025.178884_bb0200","article-title":"Analysis of atmospheric CO2 variability in the Marseille city area and the north-west Mediterranean basin at different time scales[J]","volume":"17","author":"Xueref-Remy","year":"2023","journal-title":"Atmospheric environment: X"},{"key":"10.1016\/j.scitotenv.2025.178884_bb0205","series-title":"Global to Local Impacts on Atmospheric CO2 From the COVID-19 Lockdown, Biosphere and Weather Variabilities[J]","author":"Zeng","year":"2021"},{"key":"10.1016\/j.scitotenv.2025.178884_bb0210","doi-asserted-by":"crossref","first-page":"276","DOI":"10.1016\/j.rse.2017.12.009","article-title":"On the relationship between sub-daily instantaneous and daily total gross primary production: implications for interpreting satellite-based SIF retrievals","volume":"205","author":"Zhang","year":"2018","journal-title":"Remote Sens. Environ."},{"issue":"49","key":"10.1016\/j.scitotenv.2025.178884_bb0215","doi-asserted-by":"crossref","first-page":"eabd4998","DOI":"10.1126\/sciadv.abd4998","article-title":"Satellite-based estimates of decline and rebound in China\u2019s CO2 emissions during COVID-19 pandemic[J]","volume":"6","author":"Zheng","year":"2020","journal-title":"Sci. Adv."},{"issue":"6","key":"10.1016\/j.scitotenv.2025.178884_bb0220","doi-asserted-by":"crossref","first-page":"2895","DOI":"10.5194\/essd-13-2895-2021","article-title":"Changes in China\u2019s anthropogenic emissions and air quality during the COVID-19 pandemic in 2020[J]","volume":"13","author":"Zheng","year":"2021","journal-title":"Earth System Science Data"}],"container-title":["Science of The Total Environment"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S0048969725005194?httpAccept=text\/xml","content-type":"text\/xml","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S0048969725005194?httpAccept=text\/plain","content-type":"text\/plain","content-version":"vor","intended-application":"text-mining"}],"deposited":{"date-parts":[[2025,11,4]],"date-time":"2025-11-04T03:45:58Z","timestamp":1762227958000},"score":1,"resource":{"primary":{"URL":"https:\/\/linkinghub.elsevier.com\/retrieve\/pii\/S0048969725005194"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2025,4]]},"references-count":44,"alternative-id":["S0048969725005194"],"URL":"https:\/\/doi.org\/10.1016\/j.scitotenv.2025.178884","relation":{},"ISSN":["0048-9697"],"issn-type":[{"value":"0048-9697","type":"print"}],"subject":[],"published":{"date-parts":[[2025,4]]},"assertion":[{"value":"Elsevier","name":"publisher","label":"This article is maintained by"},{"value":"Observed CO2 concentration reveals steep decrease of anthropogenic emissions in winters of 2021 and 2022 in Hangzhou and Yangtze River Delta region, China","name":"articletitle","label":"Article Title"},{"value":"Science of The Total Environment","name":"journaltitle","label":"Journal Title"},{"value":"https:\/\/doi.org\/10.1016\/j.scitotenv.2025.178884","name":"articlelink","label":"CrossRef DOI link to publisher maintained version"},{"value":"article","name":"content_type","label":"Content Type"},{"value":"\u00a9 2025 Published by Elsevier B.V.","name":"copyright","label":"Copyright"}],"article-number":"178884"}}