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SUMMARY:The 18.6-year lunar nodal cycle and its modelled effect on the oce
 ans - Prof. Manoj Joshi
DTSTART:20221205T143000Z
DTEND:20221205T153000Z
UID:TALK193486@talks.cam.ac.uk
CONTACT:104065
DESCRIPTION:The 18.6-year lunar nodal cycle arises from variations in the 
 angle of the Moon’s orbital plane. Previous work has linked the nodal cy
 cle to climate but has been limited\, either by the length of observations
  analysed\, or geographical regions considered in model simulations of the
  pre-industrial period. Here we examine the global effect of the lunar nod
 al cycle in multi-centennial climate model simulations of the pre-industri
 al period. We find cyclic signals in global and regional surface air tempe
 rature having amplitudes of 0.05K or so\, ocean heat uptake and ocean heat
  content. The timing of anomalies of global surface air temperature and he
 at uptake are consistent with the so-called slowdown in global warming in 
 the first decade of the 21st century\, also displaying warmer than average
  Arctic surface temperatures at the same time. We comment on other feature
 s of the response and implications for decadal climate prediction
LOCATION:Unilever Lecture Hall (and zoom https://us02web.zoom.us/j/8431339
 8848?pwd=b1RaNGV5cm1jQ1hIOXBLd1hQRzdGQT09 )
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