Sentences with phrase «about twentieth century temperatures»

They concluded that few of the records showed anything particularly unusual about twentieth century temperatures, especially when compared with the so - called «Medieval Warm Period» a thousand years ago.

Not exact matches

seems to be incompatible with the statement from his Annual review paper from 2000 (see abstract below) that: «The average surface temperature of the continents has increased by about 1.0 K over the past 5 centuries; half of this increase has occurred in the twentieth century alone.»

seems to be incompatible with the statement from his Annual review paper from 2000 (see abstract below) that: «The average surface temperature of the continents has increased by about 1.0 K over the past 5 centuries; half of this increase has occurred in the twentieth century alone.»

Here we show that the hemispheric differences in temperature trends in the middle of the twentieth century stem largely from a rapid drop in Northern Hemisphere sea surface temperatures of about 0.3 6C between about 1968 and 1972.

The reason you don't know about it is that it was covered up in official temperature curves by a fake warming called «late twentieth century warming.»

Meehl et al., 2004 found that «By far the largest temperature response is to the GHGs in Fig. 1e, with slow warming occurring in the first half of the twentieth century up to about.

«Excluding Antarctica, the twentieth - century average temperature among the six regions was about 0.4 °C higher than the averaged temperatures of the preceding five centuries»

«The advances can not be reconciled with a climate similar to that of the twentieth century» says nothing about temperature.

On the time - varying trend in global - mean surface temperature ``... we showed that the rapidity of the warming in the late twentieth century was a result of concurrence of a secular warming trend and the warming phase of a multidecadal (~ 65 - year period) oscillatory variation and we estimated the contribution of the former to be about 0.08 deg C per decade since ~ 1980.»

You are in the dark about all this because in official IPCC temperature curves it was covered up and over-written by a phony warming called the «late twentieth century warming.»

He was right about so many things — the background nineteenth - century CO2 concentration level and its increase over the twentieth century; the importance of high - quality temperature data and the warming trend observed over much of his lifetime; the infrared spectroscopy of CO2 and its effect on «sky radiation»; and more.

All this and global temperatures have only risen about 0.8 degrees Celsius (1.44 degrees Fahrenheit) since the early Twentieth Century.