Sentences with phrase «linear trend line»

The 2009 observed extent is approaching the 30 - year linear trend line of previous September minima (5.5 million square kilometers).
Note that the smoothing has been changed from m = 11 years to m = 15 years compared to our 2007 publication in order to obtain an approximately linear trend line from 1990, the start year of the TAR projections.
Because of that El Nino bulge, the calculated trend will remain slight positive for quite a while (highlighting the problem of using linear trend lines on «event» driven data)
Fig. 2 Global sea level from tide gauges (red) and satellite altimeter data (blue, with linear trend line).
Also, the charts» purple linear trend lines indicate that the extremes are shrinking (getting smaller, if you prefer) over time.
It means the value of the 30 year linear trend line at the current month.)
In this figure, Nielsen - Gammon has added linear trend lines to each ENSO category, and he notes that they all correspond to warming trends of about 0.16 °C per decade.
Kowatsch and Kämpfe have plotted the January data over the past 31 years along with the computed linear trend line:
Since we mainly use it here to estimate post-1990 linear trends, any other filter with this capability would have done just as well - or indeed simple linear trend lines.
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).
Only three of the Outlook contributions give a value equal to or above the long - term linear trend line (5.6 and 5.7 million square kilometers, respectively).
Bob Tisdale, you wrote, «You've stated that there are no trends but the majority of the graphs you've shown do not have linear trend lines on them and the one with a trend line is significantly positive.»
and the combination, leaving all other factors aside, gives (nearly) a linear trend line.
I went to the trouble of fitting a linear trend line to the A2 model input line from 2002 - 2009 and obtained a correlation coefficient (R2) of 0.99967.
If one is looking for a «something changed here» year, one would do better to find the year where the linear trend lines for the before and after segment intersect, that is, a inflection point rather than a step break.
This Figure is similar to Fig. 5 in the main text, but includes the linear trend lines
That is to say that there will be one EU - wide cap on the number of emission allowances and this cap will decrease annually along a linear trend line, which will continue beyond the end of the third trading period (2013 - 2020).
Projections are aligned in the graph so that they start (in 1990 and 2000, respectively) on the linear trend line of the (adjusted) observational data.
John Christy has commented that one way of observing a linear trend line with the sat data, is to balance a trend line on 1998.
Both these Outlook projections are substantially lower and nearer to the observed September 2008 monthly average value than to the 1979 — 2000 mean value (7.1 million square kilometers) or to the linear trend line of previous September minima (5.6 million square kilometers).
The chart's red and grey curves are 3 - year averages and a linear trend line has been added (dark green).
Both Outlook estimates are well below the 1979 - 2000 mean and below the linear trend line.
You've stated that there are no trends but the majority of the graphs you've shown do not have linear trend lines on them and the one with a trend line is significantly positive.
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