Sentences with phrase «ice core data»

Ice core data from the poles clearly show dramatic swings in average global temperatures, but researchers still don't know how local ecosystems reacted to the change.

Consequently, atmospheric CO2 is increasing ten times faster than any rate detected in ice core data over the last 22,000 years.

His personal contribution to these programmes encompasses a very large spectrum of topics from a direct involvement in deep drilling activities to the more theoretical aspects of the interpretation of ice core data.

The graph includes ice core data for CO2 levels before 1950.

Also, we do not use the past as an analogue, comparing the present with ice core data to draw conclusions.

Ice core data also show that CO2 concentrations did not naturally rise over about 300 ppm over the last million years.

There have been a variety of discussions in the past week about what ice core data tells us.

I also need to put together an article on the mechanisms of what ice core data gives.

It includes ice core data for CO2 levels before 1950.

Of course, no one is trying to make a prediction based on global ice core data.

A combination of historical ice core data and air monitoring instruments reveals a consistent trend: global atmospheric methane concentrations have risen sharply in the past 2000 years.

(In fact, atmospheric CO2 is increasing ten times faster than any rate detected in ice core data over the last 22,000 years).

If the CO2 curve is extended with ice core data, the rise in the peaks follows the carbon dioxide rise for 160 years.

There is a misconception that ice core data tells the local temperature record.

Of course, no one is trying to make a prediction based on global ice core data.

Also, the Greenland ice core data do agree pretty good with sulfate emissions estimates, but Greenland is located downwind of the US and Canada and does not represent global trends impacted by developing countries.

An early attempt to use the Vostok ice core data in a regression analysis (Lorius et al., 1990) resulted in a climate sensitivity of 3 - 4ºC.

Until 2012, Antarctic ice core data suggested CO2 may have lagged behind the warming trend by hundreds of years.

Greenland ice core data suggest that the Greenland ice sheet response to Eemian warmth was limited [91], but the fifth IPCC assessment [14] concludes that Greenland very likely contributed between 1.4 and 4.3 m to the higher sea level of the Eemian.

This follows a pattern that, supported by ice core data, C02 levels follow temperature changes.

Remember at the time, there was only AR1 and the presumed sensitivity was based on the most current interpretation of ice core data which at the time seemed to indicate that temperature tracked CO2 concentrations.

A 2015 study using regional ice core data reveals no unusual temperature changes but an exceptional 30 % increase in snow accumulation during the twentieth century, again supporting Zwally's analysis of mass gain in interior west Antarctica.

The highly accurate ice core data sets rathr precise dates for three major (and tropical) eruptions for which previous studies by traditional methods of paleogeology gave only poorer approximations.

al conducted an extensive study on the Vostok ice core data examining centennial events.

-LSB-...] including the use of tree rings to overwrite the much more accurate ice core data.

Will look at the Dome C ice core data in detail once I finish with the solar influence papers.