snvecR (Q159717)
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Calculate Earth’s Obliquity and Precession in the Past
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | snvecR |
Calculate Earth’s Obliquity and Precession in the Past |
Statements
26 January 2024
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Easily calculate precession and obliquity from an orbital solution (defaults to ZB18a from Zeebe and Lourens (2019) <doi:10.1126/science.aax0612>) and assumed or reconstructed values for tidal dissipation (Td) and dynamical ellipticity (Ed). This is a translation and adaptation of the C-code in the supplementary material to Zeebe and Lourens (2022) <doi:10.1029/2021PA004349>, with further details on the methodology described in Zeebe (2022) <doi:10.3847/1538-3881/ac80f8>. The name of the C-routine is snvec, which refers to the key units of computation: spin vector s and orbit normal vector n.
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