The intraseasonal oscillation of pCO2 over the southeast coast of Vietnam in boreal summer

The intraseasonal oscillation (ISO) of the oceanic surface partial pressure of carbon dioxide ( p CO _2 ) is one of the primary subsequent effects of the monsoon-driven upwelling along the southeast coast of Vietnam (SCV) in boreal summer. The intraseasonal variability of p CO _2 is confirmed by num...

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Main Authors: Miaoyin Zhang, Xueming Zhu, Xuanliang Ji
Format: Article
Language:English
Published: IOP Publishing 2025-01-01
Series:Environmental Research Communications
Subjects:
Online Access:https://doi.org/10.1088/2515-7620/add990
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author Miaoyin Zhang
Xueming Zhu
Xuanliang Ji
author_facet Miaoyin Zhang
Xueming Zhu
Xuanliang Ji
author_sort Miaoyin Zhang
collection DOAJ
description The intraseasonal oscillation (ISO) of the oceanic surface partial pressure of carbon dioxide ( p CO _2 ) is one of the primary subsequent effects of the monsoon-driven upwelling along the southeast coast of Vietnam (SCV) in boreal summer. The intraseasonal variability of p CO _2 is confirmed by numerical simulations over 2011–2020 based on a high-resolution physical-biogeochemical model, which is manifested with upwelling feature in spatial pattern, and featured with a clear intraseasonal signal that peaks at 45-day. Sea surface temperature (SST) and Chlorophyll- a (Chl- a ) in the 20–90-day band have significant regulatory effects on the intraseasonal variation of p CO _2 , and the regulations are with certain delays for about 1–3 weeks. A distinct spatiotemporal correspondence is observed between the formation and relaxation of upwelling and the net ISO of p CO _2 . On average, the ISO of p CO _2 makes a major contribution of 61% of the boreal summer variability. The cumulative effect of oscillations changes the mean variation background, and affects the seasonal to interannual variability of p CO _2 .
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spelling doaj-art-08a7ac5ec54d47eb8ae4e09af0ec00682025-08-20T03:48:27ZengIOP PublishingEnvironmental Research Communications2515-76202025-01-017505502810.1088/2515-7620/add990The intraseasonal oscillation of pCO2 over the southeast coast of Vietnam in boreal summerMiaoyin Zhang0https://orcid.org/0009-0003-5023-1798Xueming Zhu1https://orcid.org/0000-0002-4087-8884Xuanliang Ji2https://orcid.org/0000-0002-0718-7504State Key Laboratory of Satellite Ocean Environment Dynamics, National Marine Environmental Forecasting Center , Beijing, 100081, People’s Republic of China; Key Laboratory of Research on Marine Hazards Forecasting, Ministry of Natural Resources, Beijing, 100081, People’s Republic of ChinaSouthern Marine Science and Engineering Guangdong Laboratory (Zhuhai) , Zhuhai, 519000, People’s Republic of ChinaState Key Laboratory of Satellite Ocean Environment Dynamics, National Marine Environmental Forecasting Center , Beijing, 100081, People’s Republic of China; Key Laboratory of Research on Marine Hazards Forecasting, Ministry of Natural Resources, Beijing, 100081, People’s Republic of ChinaThe intraseasonal oscillation (ISO) of the oceanic surface partial pressure of carbon dioxide ( p CO _2 ) is one of the primary subsequent effects of the monsoon-driven upwelling along the southeast coast of Vietnam (SCV) in boreal summer. The intraseasonal variability of p CO _2 is confirmed by numerical simulations over 2011–2020 based on a high-resolution physical-biogeochemical model, which is manifested with upwelling feature in spatial pattern, and featured with a clear intraseasonal signal that peaks at 45-day. Sea surface temperature (SST) and Chlorophyll- a (Chl- a ) in the 20–90-day band have significant regulatory effects on the intraseasonal variation of p CO _2 , and the regulations are with certain delays for about 1–3 weeks. A distinct spatiotemporal correspondence is observed between the formation and relaxation of upwelling and the net ISO of p CO _2 . On average, the ISO of p CO _2 makes a major contribution of 61% of the boreal summer variability. The cumulative effect of oscillations changes the mean variation background, and affects the seasonal to interannual variability of p CO _2 .https://doi.org/10.1088/2515-7620/add990intraseasonal oscillationoceanic surface pCO2coastal upwellingphysical-biogeochemical model
spellingShingle Miaoyin Zhang
Xueming Zhu
Xuanliang Ji
The intraseasonal oscillation of pCO2 over the southeast coast of Vietnam in boreal summer
Environmental Research Communications
intraseasonal oscillation
oceanic surface pCO2
coastal upwelling
physical-biogeochemical model
title The intraseasonal oscillation of pCO2 over the southeast coast of Vietnam in boreal summer
title_full The intraseasonal oscillation of pCO2 over the southeast coast of Vietnam in boreal summer
title_fullStr The intraseasonal oscillation of pCO2 over the southeast coast of Vietnam in boreal summer
title_full_unstemmed The intraseasonal oscillation of pCO2 over the southeast coast of Vietnam in boreal summer
title_short The intraseasonal oscillation of pCO2 over the southeast coast of Vietnam in boreal summer
title_sort intraseasonal oscillation of pco2 over the southeast coast of vietnam in boreal summer
topic intraseasonal oscillation
oceanic surface pCO2
coastal upwelling
physical-biogeochemical model
url https://doi.org/10.1088/2515-7620/add990
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