Sentences with phrase «produce multidecadal»

In addition, free - running models have produced this multidecadal cycles in their control runs (i.e. without anthropogenic forcing), although the latest batch of models have problems getting the period right.

The entire idea of higher - frequency components (the power spectrum of the Nino3.4 record peaks at ~ 5.5 a periods) producing multidecadal oscillations upon integration is mathematically impossible.

sky, How can you say «producing multidecadal oscillations upon integration is mathematically impossible» when the integration is clearly showing multidecadal oscillations?

Ipso facto, it is incapable of producing multidecadal oscillations that are not there in the record.

Not exact matches

Have a competition to produce independent models of the natural and artificial components of multidecadal HadCRUT3 and evaluate them according to (a) how reasonable each is separately, and (b) how well their combination fits the data.

«Bias might be introduced in cases where the spatial coverage is not uniform (e.g., of the 24 original chronologies with data back to 1500, half are concentrated in eastern Siberia) but this can be reduced by prior averaging of the chronologies into regional series (as was done in the previous section)... Eight different methods have been used... They produce very similar results for the post-1700 period... They exhibit fairly dramatic differences, however, in the magnitude of multidecadal variability prior to 1700... highlighting the sensitivity of the reconstruction to the methodology used, once the number of regions with data, and the reliability of each regional reconstruction, begin to decrease.

Furthermore, planned soil moisture missions (ESA / SMOS, NASA / SMAP) at the L - band, while emphasizing a product technically superior to the product that could be derived from a 6.9 GHz channel, are experimental in nature and are not alone intended to produce long - term, multidecadal CDRs.