Sentences with phrase «global mean temperature»

There is also uncertainty about determining the outcome of the trend of global mean temperature after 20 years.
Recent studies estimate that even for conservative global mean temperature increases, between 11 % and 34 % of species alive today could be threatened with extinction.
This fact proved sufficient to obtain useful estimates for global mean temperature changes.
If species can move freely to new locations then the risk of local extinction decreases from around 25 % to 20 % with a 2 °C global mean temperature rise.
The following is our report on global mean temperature during 2017.
If you look at the increase in global mean temperature over the last fifty years, the vast majority of that is associated with human activity and the burning of fossil fuels.
CO2 emission has nothing to do with global mean temperature as its patterns before and after mid 20th century, before and after wide spread use of fossil fuel, are nearly identical.
The graphs, therefore, give a fair indication of whether global mean temperatures at or near the surface have been rising or falling over the past five or ten years.
For example, with some uncertainty, just about 50 per cent of the coral reefs may remain intact if the increase in global mean temperature does not surpass 1.2 degrees.
A central conclusion of the report is that it is more effective to assess climate stabilization goals using global mean temperature change as a primary metric, rather than atmospheric concentration levels.
But global mean temperature evolution alone can't tell us how climate and weather are changing on the ground, where people live.
Whereas emphasis to date has been on how these climate forcings affect global mean temperature, the report finds that regional variation and climate impacts other than temperature deserve increased attention.
While global mean temperature provides the canvas, the details of future changes will emerge at regional levels.
By every data set I know of, the calculated global mean temperature today is a little warmer than it was 150 years ago.
Because the locations and measurement practices of weather stations change over time, there are uncertainties in the interpretation of specific year - to - year global mean temperature differences.
These weights allow for an objective, statistical prediction of global mean temperature fluctuations arising solely from SST - associated internal variability within a given model.
How do you explain an eight year global mean temperature decline in the face of an increasing human CO2 increase?
This regional inconsistency between models and observations might be a key to understanding the recent hiatus in global mean temperature warming.
«We've had a flat global mean temperature since 1998,» he notes.
If as suggested here, a dynamically driven climate shift has occurred, the duration of similar shifts during the 20th century suggests the new global mean temperature trend may persist for several decades.
Maybe as those adjustments are done that the global basket of vital indicators should include an improved measure of global mean temperature along with other indicators.
I have once before seen a plot of global mean temperature against modeled future temperature increases.
Three of the four global average temperatures indeed are decreasing in their trends (although the actual global mean temperatures are still warmer than the previous decades).
And who got to decide what the optimal global mean temperature (which as I say appears to have no meaning) should be?
For those who question whether the series on global mean temperature are themselves products of a scientific conspiracy, here is yet a further check.
Unless otherwise specified, this chapter refers to global mean temperature change above 1990 - 2000 levels, which reflects the most common metric used in the literature on key vulnerabilities.

Phrases with «global mean temperature»

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