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dc.contributor.author박인홍-
dc.date.accessioned2024-05-13T23:46:26Z-
dc.date.available2024-05-13T23:46:26Z-
dc.date.issued2023-02-23-
dc.identifier.citationSCIENCE OF THE TOTAL ENVIRONMENT, v. 876, Article NO 162377, Page. 1-11en_US
dc.identifier.issn0048-9697en_US
dc.identifier.urihttps://information.hanyang.ac.kr/#/eds/detail?an=S0048969723009932&dbId=edselpen_US
dc.identifier.urihttps://repository.hanyang.ac.kr/handle/20.500.11754/190269-
dc.description.abstractThe climatological seasonal maximum and minimum CO2 concentrations in East Asia for 1987-2020 have been re-corded at April and August, respectively. We found that the CO2 concentration in East Asia during July, August, and September (JAS) is lower than normal before the late 1990s and after the early 2010s (Low_CO2 period), and higher than normal from the late 1990s to the early 2010s (High_CO2 period). The low-frequency variability of CO2 concen-tration in East Asia during JAS correlates with both Pacific Decadal Oscillation (PDO) and Atlantic Multi-decadal Os-cillation (AMO)-related sea surface temperatures (SSTs). We analyzed atmospheric and oceanic conditions during JAS between the two periods, finding that precipitation in East Asia decreased during JAS in High_CO2 period than that in Low_CO2 period, possibly due to PDO and AMO-related SST forcing, which decreases vegetation's photosynthetic ac-tivity. This may lead to a higher CO2 concentration than normal in East Asia in High_CO2 period through reduced up-take of CO2 from the atmosphere. This implies that terrestrial vegetation activity influenced by remote SST forcings should be monitored to better understand regional carbon cycles in East Asia.en_US
dc.description.sponsorshipWe acknowledge the World Data Center for Greenhouse Gases (WDCGG) which provided the monthly CO2 data. The WDCGG is a World Data Centre operated by the Japan Meteorological Agency under the Global Atmosphere Watch programme of the World Meteorological Organization. SWY, SJM, IHP and JSK is supported by the Research Program for the carbon cycle between oceans, land, and atmosphere of the NRF funded by the Ministry of Science and ICT (2021M3I6A1086803).en_US
dc.languageen_USen_US
dc.publisherELSEVIERen_US
dc.relation.ispartofseriesv. 876, Article NO 162377;1-11-
dc.subjectCO2 concentrationen_US
dc.subjectLow-frequency variabilityen_US
dc.subjectSea surface temperaturesen_US
dc.subjectTerrestrial vegetation activityen_US
dc.subjectPrecipitationen_US
dc.titleLow frequency changes in CO2 concentration in East Asia related to Pacific decadal oscillation and Atlantic multi-decadal oscillation for mid-summer and early fallen_US
dc.typeArticleen_US
dc.relation.volume876-
dc.identifier.doi10.1016/j.scitotenv.2023.162377en_US
dc.relation.page1-11-
dc.relation.journalSCIENCE OF THE TOTAL ENVIRONMENT-
dc.contributor.googleauthorYeh, Sang-Wook-
dc.contributor.googleauthorMa, Seung-Joo-
dc.contributor.googleauthorPark, In-Hong-
dc.contributor.googleauthorPark, Hee-Jeong-
dc.contributor.googleauthorKug, Jong-Seong-
dc.relation.code2023033873-
dc.sector.campusE-
dc.sector.daehakRESEARCH INSTITUTE[E]-
dc.sector.departmentINSTITUTE OF OCENA AND ATMOSPHERIC SCIENCES-
dc.identifier.pidboxps-
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