{"refrec":{"BRefID":449301,"RR":"<b>Wu, Z.; Yin, Q.; Berger, A.; Guo, Z.</b> (2025). Forcing mechanisms of the half-precession cycle in the western equatorial Pacific temperature. <i>Nature Comm. 16(1)</i>: 1841. <a href=\"https://dx.doi.org/10.1038/s41467-025-57076-2\" target=\"_blank\">https://dx.doi.org/10.1038/s41467-025-57076-2</a>","BEntID":447139,"PublicFlag":1,"CheckedFlag":1,"wosflag":1,"vabbflag":1,"RefStringPartII":". <i>Nature Comm. 16(1)</i>: 1841. <a href=\"https://dx.doi.org/10.1038/s41467-025-57076-2\" target=\"_blank\">https://dx.doi.org/10.1038/s41467-025-57076-2</a>","DocTypID":8,"DocType":"Journal article","MarineFlag":0,"FreshFlag":0,"BrackishFlag":0,"TerrestrialFlag":0,"Authorstring":"Wu, Z.; Yin, Q.; Berger, A.; Guo, Z.","OrigTitleTranslFlag":0,"Authorstringtrunc":"Wu, Z. <i>et al.</i>","Englishabstract":"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 (similar to 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, CO2 and ice sheets. Given the importance of WEP on global climate, the half-precession cycle in the WEP temperature may contribute to the half-precession signal recorded in other regions.","AbstractOtherLang":null,"BibLvlCode":"AS","StandardTitle":"Forcing mechanisms of the half-precession cycle in the western equatorial Pacific temperature","OrigTitleLangCode":"en","OrigTitleLangCodeExtended":"eng","OrigTitleLangID":15,"DateLastModified":{"date":"2026-11-04 01:36:57.257222","timezone_type":1,"timezone":"+01:00"},"AuthorKeywords":"warm pool;sea-surface;carbon-dioxide;insolation;climate;record;loess","OtherDescriptors":null,"Notes":null,"AnaPub":2025,"MonPub":null,"DateUpdate":"2026-09-28","DateCreate":"2026-09-28","SecASFANote":null,"ConfID":null,"PeerRev":1,"VlizCoreFlag":1,"WoScode":"WOS:001428315400034","VABBcode":null,"OpenAcc":0,"DOI":"10.1038/s41467-025-57076-2"},"refs":null,"anarec":{"AnaID":449301,"PubliDate":2025,"Pagination":"1841","XtraPublOfAnaID":null,"ISBN":null,"Volume":"16","Issue":"1","BRefMon":null,"BRefMonRR":null,"BRefXtra":null,"BRefXtraRR":null,"SerBRefID":198717,"SerRR":"Nature Communications. 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