Sentences with phrase «twentieth century temperature rise»

The feedback issue is just such a question as is the allocation of the late twentieth century temperature rise between its plausible causes.

nope Rate of recent temperature rise significantly exceeds the early twentieth century temperature rise?

Not exact matches

If the GHCN's collection is treated as a more or less complete accounting of the available instrumental temperature record, then the number of stations rose steadily during the first half of the twentieth century, surged in the 1940s - 1970s, and then sharply declined afterward.

The global average surface temperature has risen between 0.6 °C and 0.7 °C since the start of the twentieth century, and the rate of increase since 1976 has been approximately three times faster than the century - scale trend.»

Global warming does not mean no winter, it means winter start later, summer hotter, as Gary Peters said «The global average surface temperature has risen between 0.6 °C and 0.7 °C since the start of the twentieth century, and the rate of increase since 1976 has been approximately three times faster than the century - scale trend.»

If the GHCN's collection is treated as a more or less complete accounting of the available instrumental temperature record, then the number of stations rose steadily during the first half of the twentieth century, surged in the 1940s - 1970s, and then sharply declined afterward.

The data clearly shows a rise in temperature to mid twentieth century, a fall, then a rise again, details that are missing from your graph.

The paper featured an emblematic graph known as the «hockey - stick» that showed temperature rise in the twentieth century was unprecedented in recent history.

According to them the eighties and the nineties were a warming period called the «late twentieth century warming» where temperature rose at the rate of 0.1 degrees Celsius per decade.

However, temperatures in Namibia have been rising at three times the global average rate for the twentieth century.9 A warmer, drier climate could threaten the country's valuable tourism sector.10

The PDO has more or less averaged out over the twentieth century as the temperature has risen.

''... Central England temperature rose by almost 1 °C during the twentieth century and the 1990's was the warmest decade in central England since records began in the 1600's.

In the hundred years of the twentieth century, global air temperatures rose 0.74 OC (33OF).

Third, and probably of some importance, if we conclude (as I believe is warranted) that most or almost all of the twentieth century CO2 rise is the direct result of anthropogenic emissions and anthropogenic deforestation, what are we to make of a temperature effect on CO2 increases?

(Its most recent report, in 2007, concluded that most of the twentieth - century increase in global average temperatures was «very likely» due to human activities, and that world temperatures could rise between 1.1 and 6.4 °C during the twenty - first century.)

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