Sentences with phrase «warming early last century»

It doesn't change the fact that lack of volcanic activity contributed to warming early last century, because warming is only what a thermometer measures, and this volcanic activity thing is the thing you are denying.

They can explain some warming early last century, but can not explain total 20th century warming.

You have already shown a complete inability or unwillingness to grasp the incredibly obvious causes of warming early last century, so I'm not going to waste my time with someone like that.»

Not exact matches

The temperature records showed a warming spike after the 1970s, and the ice records documented that river ice is breaking up about nine days earlier now than last century.

«We are still sort of at the early stages of the global warming phenomenon, and CO2 is rising much faster this century than the last century.»

Late - summer water temperatures near the Florida Keys were warmer by nearly 2 degrees Fahrenheit in the last several decades compared to a century earlier, according to a new study by the U.S. Geological Survey.

This conclusion is confirmed by many studies finding that while the sun contributed to warming in the early 20th Century, it has had little contribution (most likely negative) in the last few decades:

SAT observations and model simulations indicate that the nature of the arctic warming in the last two decades is distinct from the early twentieth - century warm period.

Victor @ 244 complains about people trying to allegedly minimise the warming period early last century.

-- Lyu et al., 2016 Within the last 1,000 years, global - scale surface temperatures underwent a warm period during Medieval times, centennial - scale cooling during the 14th to 19th centuries, and another warm period since the early 20th century.

Back in the MWP a solar increase could cause that couple of tenths of a degree of warming that they infer from paleo records, as it could early in the 20th century too when the sun strengthened, but that didn't last till today.

In this last century, the solar increase in the early part may have helped the warming before 1940.

In early 2006, James Hansen, director of NASA GISS, pointed out that five of the warmest years over the last century were in the previous eight years: 1998, 2002, 2003, 2004, and 2005.

If the warming trend of the early 20th century had continued (it didn't) until the end of the 21st century (2099), global temperatures would have increased by +1.92 °C; yet despite the huge modern era CO2 spike, if the warming trend represented by the last 3 decades continued (it won't), the increase by 2099 would only be +1.72 °C.

Following a warming trend early in the 20th century and mid-century cooling, surface air temperatures in the Arctic have shown a strong increase over the last few decades, warming at about twice the global average.

Which is essentially what BEST has done with their early temperatures with an exception: BEST imply that the global temperature of 1750 CAN NOT have been as warm as it has been for the last few centuries.

Last night he told The Mail on Sunday: «A significant share of the warming we saw from 1980 to 2000 and at earlier periods in the 20th Century was due to these cycles — perhaps as much as 50 per cent.

As I discussed previously, the Arctic has warmed rapidly over the last century but this warming has occurred in two phases with an early century warm period (1910 - 1950) and a late - century warm period (1975 - present).

The increasing power of computer reconstructions since MBH98 and 99 resulted in the more sophisticated «spaghetti graphs» using multiple proxies, which somewhat modified the findings of the earlier hockey stick, but reinforced the notion of a world rapidly warming over the last century, in a manner unprecedented for at least a thousand years.

If there was any truth to the claims that global warming stopped in the last 10 years, or since 1998, or since 1995, or whatever the latest claim is, then we can see from the earlier 20th Century example that we would already be seeing clear signs of that in declining trends over the last several 30 - year periods.

You aren't thinking about the warming period early last century, because we know it was a relatively brief period, and so lacked huge significance, and was caused by a combination of CO2 emissions, high solar activity and low volcanic activity and the later two factors haven't been apparent since the 1970's modern warming period.

In this paper, Broecker correctly predicted «that the present cooling trend will, within a decade or so, give way to a pronounced warming induced by carbon dioxide», and that «by early in the next century [carbon dioxide] will have driven the mean planetary temperature beyond the limits experienced during the last 1000 years».

They found that the sun contributed only about 10 % of surface warming in the last century and a negligible amount in the last quarter century, less than in earlier assessments.»