Relationships among the climate-relevant gases during the Southern Ocean bloom season
Copyright © 2024 Elsevier B.V. All rights reserved..
The ocean plays an essential role in regulating the sources and sinks of climate-relevant gases, like CO2, N2O and dimethyl sulfide (DMS), thus influencing global climate change. Although the Southern Ocean is known to be a strong carbon sink, a significant DMS source and possibly a large source of N2O, our understanding of the interaction among these climate-relevant gases and their potential impacts on climate change is still insufficient in the Southern Ocean. Herein, we analyzed parameters, including surface water pCO2, dissolved inorganic carbon (DIC), alkalinity (TA), DMS and N2O in the water column, collected during the austral summer of 2015-2016 in the 32nd Chinese Antarctic Research Expedition (CHINARE) at the tip of Antarctic Peninsula. A positive correlation between DMS and pCO2 (indicated by deficit of DIC, ∆DIC, refer to values in 100 m) was observed in waters above 75 m, whereas no correlation between N2O saturation anomaly (SA) and DMS, ∆DIC was found. In the area with stable stratification with phytoplankton bloom, significant DMS source and strong CO2 uptake with weak N2O emission were observed. Conversely, strong mixing or upwelling area was shown to be a strong marine CO2 source and significant N2O release with weak DMS source.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2024 |
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| Erschienen: |
2024 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:914 |
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| Enthalten in: |
The Science of the total environment - 914(2024) vom: 01. Jan., Seite 169887 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Miming, Zhang [VerfasserIn] |
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| Links: |
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| Themen: |
CO(2) |
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| Anmerkungen: |
Date Revised 25.01.2024 published: Print-Electronic Citation Status PubMed-not-MEDLINE |
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| doi: |
10.1016/j.scitotenv.2024.169887 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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NLM366757881 |
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| 500 | |a published: Print-Electronic | ||
| 500 | |a Citation Status PubMed-not-MEDLINE | ||
| 520 | |a Copyright © 2024 Elsevier B.V. All rights reserved. | ||
| 520 | |a The ocean plays an essential role in regulating the sources and sinks of climate-relevant gases, like CO2, N2O and dimethyl sulfide (DMS), thus influencing global climate change. Although the Southern Ocean is known to be a strong carbon sink, a significant DMS source and possibly a large source of N2O, our understanding of the interaction among these climate-relevant gases and their potential impacts on climate change is still insufficient in the Southern Ocean. Herein, we analyzed parameters, including surface water pCO2, dissolved inorganic carbon (DIC), alkalinity (TA), DMS and N2O in the water column, collected during the austral summer of 2015-2016 in the 32nd Chinese Antarctic Research Expedition (CHINARE) at the tip of Antarctic Peninsula. A positive correlation between DMS and pCO2 (indicated by deficit of DIC, ∆DIC, refer to values in 100 m) was observed in waters above 75 m, whereas no correlation between N2O saturation anomaly (SA) and DMS, ∆DIC was found. In the area with stable stratification with phytoplankton bloom, significant DMS source and strong CO2 uptake with weak N2O emission were observed. Conversely, strong mixing or upwelling area was shown to be a strong marine CO2 source and significant N2O release with weak DMS source | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a CO(2) | |
| 650 | 4 | |a Climate-relevant gases | |
| 650 | 4 | |a DMS | |
| 650 | 4 | |a N(2)O | |
| 650 | 4 | |a Relationship | |
| 650 | 4 | |a The Southern Ocean | |
| 700 | 1 | |a Sun, Heng |e verfasserin |4 aut | |
| 700 | 1 | |a Zhang, Jiexia |e verfasserin |4 aut | |
| 700 | 1 | |a Wu, Yanfang |e verfasserin |4 aut | |
| 700 | 1 | |a Gao, Zhongyong |e verfasserin |4 aut | |
| 700 | 1 | |a Zhan, Liyang |e verfasserin |4 aut | |
| 700 | 1 | |a Yan, Jinpei |e verfasserin |4 aut | |
| 700 | 1 | |a Li, Jing |e verfasserin |4 aut | |
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