Natural ocean iron fertilization and climate variability over geological periods

© 2023 John Wiley & Sons Ltd.

Bibliographische Detailangaben
Veröffentlicht in:Global change biology. - 1999. - 29(2023), 24 vom: 19. Dez., Seite 6856-6866
1. Verfasser: Jiang, Hai-Bo (VerfasserIn)
Weitere Verfasser: Hutchins, David A, Ma, Wentao, Zhang, Rui-Feng, Wells, Mark, Jiao, Nianzhi, Wang, Yuntao, Chai, Fei
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2023
Zugriff auf das übergeordnete Werk:Global change biology
Schlagworte:Journal Article Review atmospheric carbon dioxide climate change geological periods marine primary producers ocean iron fertilization Iron E1UOL152H7 Carbon Dioxide 142M471B3J
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520 |a Marine primary producers are largely dependent on and shape the Earth's climate, although their relationship with climate varies over space and time. The growth of phytoplankton and associated marine primary productivity in most of the modern global ocean is limited by the supply of nutrients, including the micronutrient iron. The addition of iron via episodic and frequent events drives the biological carbon pump and promotes the sequestration of atmospheric carbon dioxide (CO2 ) into the ocean. However, the dependence between iron and marine primary producers adaptively changes over different geological periods due to the variation in global climate and environment. In this review, we examined the role and importance of iron in modulating marine primary production during some specific geological periods, that is, the Great Oxidation Event (GOE) during the Huronian glaciation, the Snowball Earth Event during the Cryogenian, the glacial-interglacial cycles during the Pleistocene, and the period from the last glacial maximum to the late Holocene. Only the change trend of iron bioavailability and climate in the glacial-interglacial cycles is consistent with the Iron Hypothesis. During the GOE and the Snowball Earth periods, although the bioavailability of iron in the ocean and the climate changed dramatically, the changing trend of many factors contradicted the Iron Hypothesis. By detangling the relationship among marine primary productivity, iron availability and oceanic environments in different geological periods, this review can offer some new insights for evaluating the impact of ocean iron fertilization on removing CO2 from the atmosphere and regulating the climate 
650 4 |a Journal Article 
650 4 |a Review 
650 4 |a atmospheric carbon dioxide 
650 4 |a climate change 
650 4 |a geological periods 
650 4 |a marine primary producers 
650 4 |a ocean iron fertilization 
650 7 |a Iron  |2 NLM 
650 7 |a E1UOL152H7  |2 NLM 
650 7 |a Carbon Dioxide  |2 NLM 
650 7 |a 142M471B3J  |2 NLM 
700 1 |a Hutchins, David A  |e verfasserin  |4 aut 
700 1 |a Ma, Wentao  |e verfasserin  |4 aut 
700 1 |a Zhang, Rui-Feng  |e verfasserin  |4 aut 
700 1 |a Wells, Mark  |e verfasserin  |4 aut 
700 1 |a Jiao, Nianzhi  |e verfasserin  |4 aut 
700 1 |a Wang, Yuntao  |e verfasserin  |4 aut 
700 1 |a Chai, Fei  |e verfasserin  |4 aut 
773 0 8 |i Enthalten in  |t Global change biology  |d 1999  |g 29(2023), 24 vom: 19. Dez., Seite 6856-6866  |w (DE-627)NLM098239996  |x 1365-2486  |7 nnns 
773 1 8 |g volume:29  |g year:2023  |g number:24  |g day:19  |g month:12  |g pages:6856-6866 
856 4 0 |u http://dx.doi.org/10.1111/gcb.16990  |3 Volltext 
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