Articles | Volume 14, issue 2
https://doi.org/10.5194/esd-14-443-2023
https://doi.org/10.5194/esd-14-443-2023
Research article
 | 
18 Apr 2023
Research article |  | 18 Apr 2023

The modelled climatic response to the 18.6-year lunar nodal cycle and its role in decadal temperature trends

Manoj Joshi, Robert A. Hall, David P. Stevens, and Ed Hawkins

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Cited articles

Agosta, E. A.: The 18.6-year nodal tidal cycle and the bi-decadal precipitation oscillation over the plains to the east of subtropical Andes, South America, Int. J. Climatol., 34, 1606–1614, https://doi.org/10.1002/joc.3787, 2013. 
Årthun, M., Wills, R. C. J., Johnson, H. L., Chafik, L., and Langehaug, H. R.: Mechanisms of Decadal North Atlantic Climate Variability and Implications for the Recent Cold Anomaly, J. Climate, 34, 3421–3439, 2021. 
Baart, F., van Gelder, P. H. A. J. M., de Ronde, J., van Konginsveld, M., and Wouters C.: The Effect of the 18.6-Year Lunar Nodal Cycle on Regional Sea-Level Rise Estimates, J. Coastal Res., 28, 511–516, 2012. 
Blaker, A. T., Joshi, M., Sinha, B., Stevens, D. P., Smith, R. S., and Hirschi, J. J.-M.: FORTE 2.0: a fast, parallel and flexible coupled climate model, Geosci. Model Dev., 14, 275–293, https://doi.org/10.5194/gmd-14-275-2021, 2021. 
Currie, R.: Evidence for 18.6-year lunar nodal drought in western North America during the past millennium, J. Geophys. Res., 89, 1247–1476, 1984. 
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Short summary
The 18.6-year lunar nodal cycle arises from variations in the angle of the Moon's orbital plane and affects ocean tides. In this work we use a climate model to examine the effect of this cycle on the ocean, surface, and atmosphere. The timing of anomalies is consistent with the so-called slowdown in global warming and has implications for when global temperatures will exceed 1.5 ℃ above pre-industrial levels. Regional anomalies have implications for seasonal climate areas such as Europe.
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