| Mao Kebiao (毛克彪)* **,Xu Longhao**,Sayed M. Bateni*** ****,Yuan Zijin*.[J].高技术通讯(英文),2026,32(2):217~220 |
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| Revisiting orbital variations: new insights into Earth’s climate and ecosystem dynamics |
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| DOI：10. 3772 / j. issn. 1006-6748. 2026. 02. 010 |
| 中文关键词: |
| 英文关键词: orbital variations, Pleistocene glacial cycles, climate change |
| 基金项目: |
| Author Name | Affiliation | | Mao Kebiao (毛克彪)* ** | (* State Key Laboratory of Efficient Utilization of Arid and Semi-arid Arable Land in Northern China,Institute of Agricultural Resources and Regional Planning, Chinese Academy of Agricultural Sciences, Beijing 100081,P. R. China)
(** School of Civil and Hydraulic Engineering, Ningxia University, Yinchuan 750021, P. R. China)
(*** Department of Civil and Environmental Engineering and Water Resources Research Center,University of Hawaii at Manoa, Honolulu HI 96822, USA)
(**** UNESCO-UNISA Africa Chair in Nanoscience and Nanotechnology College of Graduates Studies,University of South Africa, Muckleneuk Ridge, Pretoria 392, South Africa) | | Xu Longhao** | | | Sayed M. Bateni*** **** | | | Yuan Zijin* | |
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| 中文摘要: |
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| 英文摘要: |
| This commentary synthesizes recent advancements in understanding Earth’ s orbital variations and their influence on climate and ecosystem dynamics. Barker et al.[1] elucidated the distinct roles of precession, obliquity, and eccentricity in driving 100 000-year glacial cycles over the past 900 000 years. Cao et al.[2]quantified the contribution of orbital forcings to contemporary warming (approximately 11. 50% since 1837) and projected a short-term warming phase followed by a cooling trend up to 2050, though this trend is insufficient to offset anthropogenic greenhouse gas effects.Building on Mao et al.[3 - 4], we propose the theory that climate (weather) and ecosystem changes at different scales within Earth’ s interior represent intrinsic responses of Earth’ s internal systems to external orbital dynamic changes. Although orbital influences are subtle, they persistently regulate solar radiation distribution, seasonal rhythms, and extreme events, thereby impacting agriculture,biodiversity, and climate policy. We advocate for interdisciplinary coupled models that integrate orbital parameters with other forcings to enhance multi-scale predictions and support global environmental governance. |
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