Sentences with phrase «global average temperatures only»

I am interested in global average temperatures only in so far as it gives a feel for the severity of the impact at the local level.

Not exact matches

Last week Gavin Schmidt, head of NASA's Goddard Institute of Space Studies, estimated that the average global temperature in 2016 could range from about 1.1 °C above preindustrial to only slightly below 1.5 °C, based on GISS's temperature record and its definition of pre-industrial (other records and definitions vary).
As a result, the climate policy scenario lowered global average temperatures by 0.27 degrees in 2050, which is more than when only short - lived climate forcers were controlled.
A U.N. Environment Program report released last week showed that, taken together, the NDCs only account for a third of the necessary emissions reductions needed to keep global average temperatures from heating 2 degrees C above preindustrial levels.
While average global temperatures in the mid-Pliocene rose only 3.6 to 5.4 F, the Arctic was a totally different world.
For comparison, the global temperature of the most recent Ice Age was only about five degrees C below the current average.
Yet the global average temperature differences corresponding to these radically different climates were only about 5 degrees C in the tropics and 8 degrees C in polar regions.
Land Only: The global land temperature was the fifth highest on record for June - August, at 1.64 °F (0.91 °C) above the 20th century average of 56.9 °F (13.8 °C).
Ocean Only: The August global sea surface temperature was 1.17 °F (0.65 °C) above the 20th century average of 61.4 °F (16.4 °C), the highest on record for August.
Ocean Only: The global ocean surface temperature for the year to date was 0.99 °F (0.55 °C) above average, tying with 2010 as the second warmest such period on record, behind only 1Only: The global ocean surface temperature for the year to date was 0.99 °F (0.55 °C) above average, tying with 2010 as the second warmest such period on record, behind only 1only 1998.
Ocean Only: The June - August global sea surface temperature was 1.13 °F (0.63 °C), above the 20th century average of 61.5 °F (16.4 °C), the highest for June - August on record.
Land Only: The August global land temperature was the second highest for August on record, behind only 1998, at 1.78 °F (0.99 °C) above the 20th century average of 56.9 °F (13.8 °C), with a margin of error of + / - 0.43 °F (0.24 Only: The August global land temperature was the second highest for August on record, behind only 1998, at 1.78 °F (0.99 °C) above the 20th century average of 56.9 °F (13.8 °C), with a margin of error of + / - 0.43 °F (0.24 only 1998, at 1.78 °F (0.99 °C) above the 20th century average of 56.9 °F (13.8 °C), with a margin of error of + / - 0.43 °F (0.24 °C).
Considering all these factors, Smith and Mizrahi suggest that targeting methane and soot will cause global average temperatures to be only 0.16 °C lower by 2050 than they would have been otherwise, the researchers report today in the Proceedings of the National Academy of Sciences.
In scenarios in which the average global temperature rises less than 2 degrees above pre-industrial levels, short - term measures to reduce SLCF had only a minor effect on the long - term rise in temperature.
But global average temperatures tell only a fraction of the story.
But even with such policies in place — not only in the U.S. but across the globe — climate change is a foregone conclusion; global average temperatures have already risen by at least 1.1 degrees Fahrenheit (0.6 degree C) and further warming of at least 0.7 degree F (0.4 degree C) is virtually certain, according to the IPCC.
For example, the global temperature change when we recovered from the last ice age averaged only about 0.1 C per century (and descent into an ice age tended to be even slower)... whereas we are now looking at changes greater than that happening in one decade.
In order correctly argue that an increase in the «global average» temperature is the only dominant phenomena requires the following.
You are only looking at regional temperatures (England, the Eastern US, etc.) as opposed to * global * averages.
If one accepts that the «global average» temperature is the one and only important correlating parameter, it seems that one would have to conclude that an increase in the «global average» temperature results in an increase in the mass of glaciers.
[Response I'm not sure what point you are trying to make here, but if you feel that you can only assess whether temperatures are changing by looking at 30 - year averages, consider the following: Global mean temperature anomalies (in degrees C, relative to 1961 - 90 reference period): 1885 - 1914: -0.35; 1915 - 1944: -0.18; 1945 - 1974: -0.07; 1975 - 2004: +0.21.
The C.R.U. is only one of several groups who are analyzing the long term global average surface temperature trends drawing from mostly the same raw observed data.
Global average temperature is lower during glacial periods for two primary reasons: 1) there was only about 190 ppm CO2 in the atmosphere, and other major greenhouse gases (CH4 and N2O) were also lower 2) the earth surface was more reflective, due to the presence of lots of ice and snow on land, and lots more sea ice than today (that is, the albedo was higher).
Only 908 stations used for the October 2008 GISS analysis whereas some 40 yerars ago there were double the number of stations used to derive an average global temperature.
The most severe impacts of climate change — damaging and often deadly drought, sea - level rise, and extreme weather — can only be avoided by keeping average global temperatures within 2 degrees C (3.6 degrees F) of pre-industrial levels.
As noted above, 1997 - 98 saw an exceptionally strong El Nino, producing a consequent temperature high that has only in recent years been equalled - hence it being a popular start - point for the «global average temperature has now been flat for the past 15 years» talking - point.
The average global temperature now is only some 9 C warmer than during the depths of the last ice age, and the planet took some two millennia to emerge from that.
But «in order to explain the drop in atmospheric growth rate of CO2, we would need an average drop in global temperatures of about 3.6 degrees Fahrenheit (2 ° C), but the temperatures only dropped by about one degree (0.9) Fahrenheit (0.5 °C) globally.»
The second is that the «average» absolute global mean «surface» temperature is only accurate to about + / - 2 C degrees, includes «sub-surface temperatures averaged with above surface temperatures at varying altitudes.
Monthly and 12 - month average global temperature development, showing (with only December data still missing) 2017 will likely rank as the third hottest year on record, despite a developing La Niña.
Temperatures often rise sharply in May before the onset of torrential monsoon rains but scientists say average temperatures are only likely to rise in the years ahead as a result of global warming, with damaging effects on health and pTemperatures often rise sharply in May before the onset of torrential monsoon rains but scientists say average temperatures are only likely to rise in the years ahead as a result of global warming, with damaging effects on health and ptemperatures are only likely to rise in the years ahead as a result of global warming, with damaging effects on health and productivity.
To understand why that doesn't make sense, one need only look at the average global temperatures.
*** The table below shows the global average temperature anomalies for the last 20 years (2014 only includes data from Jan to Oct, so may change).
«Many other important impacts of climate change are difficult to quantify for a given change in global average temperature, in part because temperature is not the only driver of change for some impacts; multiple environmental and other human factors come into play.»
in average global temperature puts the 2012 - 2100 increase at 1 degree C or more, yet from 1979 to 2012 CO2 increased by only about one - sixth.
Suppose the output of the sun were to suddenly increase by 6 %, we would expect global average temperature to increase by only about ~ 0.5 degrees.
Proof that CO2 has no effect on climate and identification of the two factors that do cause reported climate change (sunspot number is the only independent variable) are at http://agwunveiled.blogspot.com (now with 5 - year running - average smoothing of measured average global temperature (AGT), the near - perfect explanation of AGT since before 1900; R ^ 2 = 0.97 +).
It's been carefully crafted to create a certain impression: There are more factors than only CO2 that influence global average temperature
The seasonal variation in the earth's global average sea surface temperature is only about 0.5 degrees Kelvin, being hotter in April and colder in October (see e.g. http://discover.itsc.uah.edu/amsutemps/execute.csh?amsutemps).
For example, during the «Holocene thermal maximum,» the warmest period of the past 10,000 years, the Arctic average temperature was two to three degrees warmer than it is today, while the global average was only a degree or so warmer.
Figure 1, above: Global mean annual average temperature in the simulations with time - varying long - lived species only (top) and due to short - lived species (bottom).
The Commonwealth declaration avoided setting a numerical limit to global temperature rise, saying only, «We stress our common conviction that urgent and substantial action to reduce global emissions is needed and have a range of views as to whether average global temperature increase should be constrained to below 1.5 degrees or to no more than 2 degrees Celsius above pre-industrial levels.»
This stability in TSI has 2 effects: (i) as you say it makes global average temperatures remarkably stable (but I suggest the temperature stability is principally down to the TSI stability) and (ii) estimating the effect of a TSI forcing on global average temperatures is difficult when you have only a 0.3 % forcing range.
That only works out to a global average temperature for a massless superconducting sphere.
If CO2 is a forcing, the temperature could only increase (unless compensated for by an as - yet - undiscovered forcing which magically disappeared as soon as credible average global temperature measurements became available).
Identification of the two factors that do explain (R ^ 2 = 0.97 since before 1900) reported average global temperature trajectory (sunspot number is the only independent variable) are at http://agwunveiled.blogspot.com
The interesting thing from a scientific perspective is that specifying the surface temperature in this region seems to anchor the coupled atmosphere / ocean circulations in a way that not only gives a better simulation of global average surface temperature, but also provides better simulations of the variability of key regional circulation features.
The global average temperature calculations cover 97 - 98 percent of the earth's surface, excluding only the most extreme polar latitudes.
As a geologist, I am highly frustrated by the asymmetry of research effort concentrated not only on the rather abstract notion of global average temperature almost to the exclusion of the other important climatic variables, but further obsessive and myopic self - flagellation over the human influence on trace CO2 levels.
Now, the only way that a business recession could cause a temporary rise in average global temperatures is for the reduced industrial activity to result in a reduction in the amount of SO2 aerosol emissions into the troposphere.
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