Earth's elliptical orbit has a measurable effect on its climate
the verdict
SUPPORTED
the evidence backs this
confidence 81/100
Earth's elliptical orbit and associated orbital parameters such as eccentricity, obliquity, and precession exert a well-documented, measurable effect on global climate, ice volumes, and oceanic circulation.
Evidence for · 6
Equatorial insolation: from precession harmonics to eccentricity frequencies
2006 · cited by 7
Paper 1 demonstrates that orbital eccentricity and precession cycles drive measurable components of equatorial insolation and climate variance.
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More for · 5
The role of orbital forcing, carbon dioxide and regolith in 100 kyr glacial cycles
2011 · cited by 5
Paper 2 shows that Earth's orbital eccentricity successfully simulates 100-kyr glacial cycles and ice volume variations.
Extremely poleward shift of Antarctic Circumpolar Current by eccentricity during the Last Interglacial.
2025 · cited by 3
Paper 3 establishes that eccentricity-driven orbital forcing controls low-frequency shifts in oceanic currents and regional climate.
Orbital eccentricity and internal feedbacks drove the Triassic megamonsoon variability.
2025 · cited by 1
Paper 5 uses data-model synthesis to link Earth's orbital variations and eccentricity to megamonsoon climate variability.
Glacial cycles: exogenous orbital changes vs. endogenous climate dynamics
2010 · cited by 1
Paper 8 concludes that variations in Earth's orbit and solar insolation are necessary to accurately simulate late Quaternary glacial cycles.
Astronomical calibration of the middle Cambrian in Baltica: global carbon cycle synchronization and climate dynamics.
2026 · cited by 0
Paper 9 highlights that orbital eccentricity-driven climate oscillations modulate sea-level and dust fluxes in geological climate records.