Sentences with phrase «range of linear trends»

Not exact matches

The standard deviation of the residuals from a linear regression to annual averages 1975 - 2007 is 0.472, so we expect a range of variation of roughly + / - 0.94 deg.C from the long - term trend.

12 - month running averages are shown as well as linear trend lines, and compared to the scenarios of the IPCC (blue range and lines from the 2001 report, green from the 2007 report).

In our 2007 paper we found trends in the upper part of the TAR range (both GISS and Hadley give 0.22 ºC per decade linear trends for 1990 - 2006) and proposed that «the first candidate reason for this is intrinsic variability in the climate system».

Without a validated model there is no justification for fitting a linear trend and extrapolation way outside the range of the data.

Figure 2.2 a presents both - LOD and dT ranges, with the linear trends removed by fitting of linear regression and using a «detrending» procedure (Statgraphics 1988).

But I do know the difference between a simple linear interpolation and principal component analysis, and I can calculate the two standard deviations range of uncertainty on a white noise linear trend.