ArticleNature communications2025
Forcing mechanisms of the half-precession cycle in the western equatorial Pacific temperature.
Article in Nature communications, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
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Who cites it
6 citing papers in PubMed.
- Pervasive tropical-forced millennial monsoon variability over the past 3.5 million years.Nature communications · 2026Article
- Insolation-driven northern Atlantic westerly wind patterns shaped the mid-Pleistocene transition in three phases.Nature communications · 2026Article
- Precession-induced millennial climate cycles in greenhouse Cretaceous.Nature communications · 2025Article
- Suborbital- and millennial-scale monsoon variability during Pleistocene interglacials.Proceedings of the National Academy of Sciences of the United States of America · 2025Article
- Orbital-accelerated transient simulations of glacial-interglacial climate cycles for the last 800,000 years.Scientific data · 2025Article
- Forcing mechanisms of the half-precession cycle in the western equatorial Pacific temperature.Nature communications · 2025Article
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Authors and funding
4 authors.
Funding
Abstract
The western equatorial Pacific (WEP) plays an important role on global climate. Many studies have reported the classical orbital cycles in the WEP temperature variations, but the half-precession (~10-kyr) cycle, despite its uniqueness in the equatorial insolation, is paid less attention. Here, a systematic study on the half-precession cycle in the WEP temperature is performed based on the analysis of transient climate simulations covering the past 800,000 years, combined with high-resolution temperature reconstructions. The results show that the half-precession cycle is a significant signal in the WEP temperature. The model simulations show that in response to astronomical forcing, the half-precession cycle in the WEP surface and upper subsurface temperatures is driven by maximum equatorial insolation, while it is driven by bi-hemisphere maximum insolation in the lower subsurface temperature. The different forcing mechanisms at different depths are related to distinct local ocean circulation patterns. The astronomically-induced half-precession cycles are modulated by eccentricity, CO
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