Sentences with phrase «globally averaged surface temperature»

Recent model results, by contrast, suggest that significant impacts will persist for hundreds of thousands of years after emissions cease;» Matthews and Caldeira (2008): «We show first that a single pulse of carbon released into the atmosphere increases globally averaged surface temperature by an amount that remains approximately constant for several centuries, even in the absence of additional emissions.»

Temperatures measured on land and at sea for more than a century show that Earth's globally averaged surface temperature is experiencing a long - term warming trend.

These feedbacks are the primary source of uncertainty in how much the earth will warm (side note: the question that most climate scientists who study the forcing due to CO2 try to answer is, how much will the long - term globally averaged surface temperature of the earth rise due to an rapid rise of CO2 to twice its industrial level, that is, 270 ppm to 540 ppm; it is currently about 380 last time I checked, and rising at ~ 3ppm / year, although this rate of change appears to be accelerating).

Our present approach of dealing with climate as completely specified by a single number, globally averaged surface temperature anomaly, that is forced by another single number, atmospheric CO2 levels, for example, clearly limits real understanding; so does the replacement of theory by model simulation.

What they found is that the globally averaged surface temperature trend over 15 - year periods is closely related to the trend of the sea surface temperature in a small region of the planet, the Nino3.4 region, statistically.

What's so hard to get about a globally averaged surface temperature?

Isaac Held here looks at how the simple two - box models relating the globally averaged energy imbalance at the TOA to the globally averaged surface temperature and concludes that a linear formulation deviates substantially from the behavior of GCM's.

It is worth noting that, in the absence of convection, pure greenhouse warming would lead to a globally averaged surface temperature of 72 °C given current conditions.

«all of the coupled climate models used in the IPCC AR4 reproduce the time series for the 20th century of globally averaged surface temperature anomalies; yet they have different feedbacks and sensitivities and produce markedly different simulations of the 21st century climate.»

And that's because globally averaged surface temperature responds to a lot of different factors.

From the paper: «In this model, it is assumed that the total radiative feedback can be described by a constant feedback coefficient λ multiplied by the globally averaged surface temperature anomaly.»

Simplistically, the globally averaged surface temperature clocks in at 288 K.

3 Atmospheric Scientists: Greenhouse Effect Based On «Physically Irrelevant Assumptions» Yet another new scientific paper has been published that questions the current understanding of the Earth's globally averaged surface temperature and its relation to the theoretical greenhouse effect.

That there are more things in heaven and earth and a forced component to natural variation in globally averaged surface temperatures is one of them.

«The correspondence between atmospheric CO2 concentrations and globally averaged surface temperatures in the recent past suggests that this coupling may be of great antiquity.

Not exact matches

According to NOAA scientists, the globally averaged temperature over land and ocean surfaces for August 2014 was the highest for August since record keeping began in 1880.

The study found that after the initial decrease of solar radiation in 2020, globally averaged surface air temperature cooled by up to several tenths of a degree Celsius.

The June 2013 globally - averaged temperature across ocean surfaces was the 10th highest in the 134 - year period of record, at 0.48 °C (0.86 °F) above the 20th century average.

The globally averaged temperature over land and ocean surfaces for February 2017 was the second highest for the month.

Figure 1: Globally averaged surface air temperature.

The globally averaged temperature over land and ocean surfaces for March 2017 was the second highest for the month.

The December 2015 globally - averaged temperature across land and ocean surfaces was 1.11 °C (2.00 °F) above the 20th century average of 12.2 °C (54.0 °F), the highest for any month since records began in 1880, surpassing the previous all - time record set two months ago in October by 0.12 °C (0.21 °F).

The year - to - date globally averaged sea surface temperature was 1.46 °F above the 20th century average.

The globally averaged land surface temperature for March — May 2016 was 3.24 °F above the 20th century average of 46.4 °F.

The March — May globally averaged sea surface temperature was 1.40 °F above the 20th century average of 61.0 °F — the highest for March — May in the 1880 — 2016 record, surpassing the previous record of 2015 by 0.20 °F.

The June globally averaged sea surface temperature was 1.39 °F above the 20th century monthly average of 61.5 °F — the highest global ocean temperature for June in the 1880 — 2016 record, surpassing the previous record set in 2015 by 0.05 °F.

The June — August globally averaged sea surface temperature was 1.39 °F above the 20th century average of 61.5 °F the highest for June — August in the 1880 — 2016 record, surpassing the previous record of 2015 by 0.02 °F.

The May globally averaged sea surface temperature was 1.37 °F above the 20th century monthly average of 61.3 °F — the highest global ocean temperature for May in the 1880 — 2016 record, surpassing the previous record set in 2015 by 0.09 °F.

The July globally averaged land surface temperature was 1.98 °F above the 20th century average of 57.8 °F.

The August globally averaged land surface temperature was 2.32 °F above the 20th century average of 56.9 °F.

The April globally averaged sea surface temperature was 1.44 °F above the 20th century monthly average of 60.9 °F — the highest global ocean temperature for April in the 1880 — 2016 record, surpassing the previous record set in 2015 by 0.25 °F and besting 1998, the last time a similar strength El Niño occurred, by 0.43 °F.

The year - to - date globally averaged sea surface temperature was 1.42 °F above the 20th century average of 60.9 °F.

The April globally averaged land surface temperature was 3.47 °F above the 20th century average of 46.5 °F.

The July globally averaged sea surface temperature was 1.42 °F above the 20th century monthly average of 61.5 °F — the highest global ocean temperature for July in the 1880 — 2016 record, surpassing the previous record set in 2015 by 0.07 °F.

The year - to - date globally averaged land surface temperature was 3.67 °F above the 20th century average.

The globally averaged temperature over land and ocean surfaces for 2015 was the highest among all years since record keeping began in 1880.

The September globally averaged sea surface temperature was 1.33 °F above the 20th century monthly average of 61.1 °F, tying with 2014 as the second highest global ocean temperature for September in the 1880 — 2016 record, behind 2015 by 0.16 °F.

The September — November globally averaged land surface temperature was 1.75 °F above the 20th century average of 48.3 °F.

The November globally averaged sea surface temperature was 1.17 °F above the 20th century monthly average of 60.4 °F.

The October globally averaged sea surface temperature was 1.30 °F above the 20th century monthly average of 60.6 °F.

... Polar amplification explains in part why Greenland Ice Sheet and the West Antarctic Ice Sheet appear to be highly sensitive to relatively small increases in CO2 concentration and global mean temperature... Polar amplification occurs if the magnitude of zonally averaged surface temperature change at high latitudes exceeds the globally averaged temperature change, in response to climate forcings and on time scales greater than the annual cycle.

We have estimated that air temperature near the surface, globally averaged, was 3 - 4 degrees C. (5 - 7 degrees F.) cooler than today.

«We show that the climate over the 21st century can and likely will produce periods of a decade or two where the globally averaged surface air temperature shows no trend or even slight cooling in the presence of longer - term warming,» the paper says, adding that, «It is easy to «cherry pick» a period to reinforce a point of view.»

I bet you $ 100 that you can not produce any official MET publication in which they predict next year's globally and time averaged surface temperature to four significant figures with no error bars.

There have been decades, such as 2000 — 2009, when the observed globally averaged surface - temperature time series shows little increase or even a slightly negative trend1 (a hiatus period).

-- Sea surface temperatures increased: Four independent datasets indicate that the globally averaged sea surface temperature for 2013 was among the 10 warmest on record.

Since 1850, CO2 levels rose, as did the «globally and annually averaged land and sea surface temperature anomaly» (for what it's worth), but nobody knows whether or not the increase in CO2 had anything whatsoever to do with the warming.

In our analysis we use eight well - known datasets: 1) globally averaged well - mixed marine boundary layer CO2 data, 2) HadCRUT3 surface air temperature data, 3) GISS surface air temperature data, 4) NCDC surface air temperature data, 5) HadSST2 sea surface temperature data, 6) UAH lower troposphere temperature data series, 7) CDIAC data on release of anthropogene CO2, and 8) GWP data on volcanic eruptions.

The heat that humans generate globally via fossil fuels is not nearly enough to make much difference in average surface temperatures.

The crux of Bates» claim is that NOAA, the federal government's top agency in charge of climate science, published a poorly - researched but widely praised study with the political goal of disproving the controversial global warming hiatus theory, which suggests that global warming slowed down from 1998 until 2012 with little change in globally - averaged surface temperatures — a direct contrast to global warming advocates» claim that the earth's temperature has been constantly increasing.