Triple oxygen isotope reveals insolation-forced tropical moisture cycles-Reference-Cited by-同舟云学术

Triple oxygen isotope reveals insolation-forced tropical moisture cycles

Published:2024-09-13 Issue:37 Volume:10 Page:
ISSN:2375-2548
Container-title:Science Advances
language:en
Short-container-title:Sci. Adv.

Author:

Sha Lijuan¹^ORCID,Dang Haowen²^ORCID,Wang Yue²^ORCID,Wassenburg Jasper A.³⁴^ORCID,Baker Jonathan L.¹⁵^ORCID,Li Hanying¹^ORCID,Sinha Ashish⁶^ORCID,Ait Brahim Yassine⁷^ORCID,Wu Nanping⁸⁹^ORCID,Lu Zhengyao¹⁰^ORCID,Yang Ce¹¹^ORCID,Dong Xiyu¹^ORCID,Lu Jiayu¹²,Zhang Haiwei¹^ORCID,Mahata Sasadhar¹,Cai Yanjun¹^ORCID,Jian Zhimin²^ORCID,Cheng Hai¹¹³^ORCID

Affiliation:

1. Institute of Global Environmental Change, Xi’an Jiaotong University, Xi’an, China.

2. State Key Laboratory of Marine Geology, Tongji University, Shanghai, China.

3. Center for Climate Physics, Institute for Basic Science, Busan, Republic of Korea.

4. Pusan National University, Busan, Republic of Korea.

5. Institute of Geology, University of Innsbruck, Innrain 52, Innsbruck 6020, Austria.

6. Department of Earth Sciences, California State University Dominguez Hills, Carson, CA, USA.

7. International Water Research Institute, Mohammed VI Polytechnic University, Ben Guerir, Morocco.

8. Institute of Deep-Sea Science and Engineering, Chinese Academy of Sciences, Hainan, China.

9. School of Earth, Atmosphere and Environment, Monash University, Clayton, VIC 3800, Australia.

10. Department of Physical Geography and Ecosystem Science, Lund University, Lund, Sweden.

11. State Key Laboratory of Continental Dynamics, Department of Geology, Northwest University, Xi’an, China.

12. Jiangsu Coastal Development Research Institute, Yancheng Teachers University, Yancheng, China.

13. State Key Laboratory of Loess and Quaternary Geology, Institute of Earth Environment, Chinese Academy of Sciences, Xi’an, China.

Abstract

Tropical oceans are the main global water vapor and latent heat sources, but their responses to radiative forcing remain unclear. Here, we investigate oceanic moisture dynamics of the western tropical Pacific (WTP) over the past 210,000 years through an approach of planktonic foraminiferal triple oxygen isotope (Δ′ 17 O). The Δ′ 17 O record is dominated by the precession cycles (~23,000 years), with lower values reflecting higher humidity in concert with higher Northern Hemisphere summer insolation. Our empirical and modeling results, combined with other geological archives, suggest that the enhanced moisture convergence over the WTP largely intensifies changes in the meridional and zonal hydrological cycles, affecting rainfall patterns in East Asia and northern South America. We propose that the insolation-driven WTP moisture dynamics play a pivotal role in regulating tropical hydroclimate.

Publisher

American Association for the Advancement of Science (AAAS)

Link

https://www.science.org/doi/pdf/10.1126/sciadv.adp7855

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