Yet then after that you say, with apparent complete confidence, that on a (multi)-
decadal scale instrumental records show a positive trend.
Not exact matches
Method 1: «The composite - plus -
scale (CPS) method, «a dozen proxy series, each of which is assumed to represent a linear combination of local temperature variations and an additive «noise» component, are composited (typically at
decadal resolution;...) and
scaled against an
instrumental hemispheric mean temperature series during an overlapping «calibration» interval to form a hemispheric reconstruction.
While the correlation displays
decadal -
scale variability similar to changes in the interdecadal Pacific oscillation (IPO), the LDSSS record suggests rainfall in the modern
instrumental era (1910 — 2009 ad) is below the long - term average.»
Likewise, an annual or
decadal observation from the modern
instrumental record can not be compared against values from their reconstruction, if their reconstruction is not capable of resolving events at that time
scale.