scholarly journals Semi‐decadal and decadal signals in atmospheric excitation of length‐of‐day

2020 ◽  
Vol 7 (2) ◽  
Author(s):  
Nan Yu. ◽  
Gang Chen ◽  
Jim Ray ◽  
Wei Chen ◽  
Nengfang Chao
Keyword(s):  
Length Of Day ◽  
Atmospheric Excitation

scholarly journals Effect of global warming on the length-of-day

2002 ◽  
Vol 29 (7) ◽  
Author(s):  
Olivier de Viron ◽  
Véronique Dehant ◽  
Hugues Goosse ◽  
Michel Crucifix ◽  
Keyword(s):  
Global Warming ◽  
Length Of Day

scholarly journals Air Temperature and Anthropogenic Forcing: Insights from the Solid Earth

2011 ◽  
Vol 24 (2) ◽  
pp. 569-574 ◽  
Author(s):  
Jean O. Dickey ◽  
Steven L. Marcus ◽  
Olivier de Viron
Keyword(s):  
Air Temperature ◽  
Decadal Variability ◽  
Surface Air Temperature ◽  
Radiation Budget ◽  
Cloud Formation ◽  
Length Of Day ◽  
Anthropogenic Forcing ◽  
The Core ◽  
Earth’S Radiation Budget ◽  
Gas Effect

Abstract Earth’s rotation rate [i.e., length of day (LOD)], the angular momentum of the core (CAM), and surface air temperature (SAT) all have decadal variability. Previous investigators have found that the LOD fluctuations are largely attributed to core–mantle interactions and that the SAT is strongly anticorrelated with the decadal LOD. It is shown here that 1) the correlation among these three quantities exists until 1930, at which time anthropogenic forcing becomes highly significant; 2) correcting for anthropogenic effects, the correlation is present for the full span with a broadband variability centered at 78 yr; and 3) this result underscores the reality of anthropogenic temperature change, its size, and its temporal growth. The cause of this common variability needs to be further investigated and studied. Since temperature cannot affect the CAM or LOD to a sufficient extent, the results favor either a direct effect of Earth’s core-generated magnetic field (e.g., through the modulation of charged-particle fluxes, which may impact cloud formation) or a more indirect effect of some other core process on the climate—or yet another process that affects both. In all three cases, their signals would be much smaller than the anthropogenic greenhouse gas effect on Earth’s radiation budget during the coming century.

Length of Day and Temperature Effects in Rudbeckia

1940 ◽  
Vol 102 (2) ◽  
pp. 269-279 ◽  
Author(s):  
A. E. Murneek
Keyword(s):  
Temperature Effects ◽  
Length Of Day

Changed length of day speeds Russian cotton

1929 ◽  
Vol 6 (5) ◽  
pp. 885
Author(s):  
Science Service
Keyword(s):  
Length Of Day
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