Sentences with phrase «observed global average surface temperature»
The figure shows (with colored circles) the value of the trend in observed global average surface temperatures in lengths ranging from 10 to 64 years and in all cases ending in 2014 (the so - called «warmest year on record»).
https://www.cato.org/ Not exact matches
(1) The warm sea surface temperatures are not just some short - term anomaly but are part of a long - term observed warming trend, in which ocean temperatures off the US east coast are warming faster than global average temperatures.
It is extremely likely that more than half of the observed increase in global average surface temperature from 1951 to 2010 was caused by the anthropogenic increase in greenhouse gas concentrations and other anthropogenic forcings together.
AR5: It is extremely likely that more than half of the observed increase in global average surface temperature from 1951 to 2010 was caused by the anthropogenic increase in greenhouse gas concentrations and other anthropogenic forcings together.
Item 8 could be confusing in having so many messages: «It is extremely likely that more than half of the observed increase in global average surface temperature from 1951 to 2010 was caused by the anthropogenic increase in greenhouse gas... The best estimate of the human - induced contribution to warming is similar to the observed warming over this period....
The net effect of these anomalous winds is a cooling in the 2012 global average surface air temperature of 0.1 — 0.2 °C, which can account for much of the hiatus in surface warming observed since 2001.
It is extremely likely * that human activities have caused more than half of the observed increase in global average surface temperature since the 1950s.
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.
In the entirely subjective opinion of a particular group of IPCC authors, it's «extremely likely» (95 % certain) that «more than half of the observed increase in global average surface temperature from 1951 to 2010» was caused by human - generated greenhouse gas emissions (see the bottom of p. 13 here).
In 2013, the Intergovernmental Panel on Climate Change Fifth Assessment Report stated a clear expert consensus that: «It is extremely likely [defined as 95 - 100 % certainty] that more than half of the observed increase in global average surface temperature from 1951 to 2010 was caused by the anthropogenic [human - caused] increase in greenhouse gas concentrations and other anthropogenic forcings together.»
Figure 6: Easterbrook's two global temperature projections A (green) and B (blue) vs. the IPCC TAR simple model projection tuned to seven global climate models for emissions scenario A2 (the closest scenario to reality thus far)(red) and observed global surface temperature change (the average of NASA GISS, NOAA, and HadCRUT4)(black) over the period 2000 through 2011.
If you read it closely, you will see that there is nothing in the NASA link you cited that refutes the observed fact that global average surface temperature has stopped warming since 2001 or 1998.
It seemsthe observed increase in trade winds lead to the surfacing of cooler waters in the Eastern Pacific ocean and this phenomenon is found by models to cause global average temperatures to cool.
This backs up the IPCC attribution statement «It is extremely likely [95 percent confidence] more than half of the observed increase in global average surface temperature from 1951 to 2010 was caused by the anthropogenic increase in greenhouse gas concentrations and other anthropogenic forcings together.»
Again IPCC attribution statement: «It is extremely likely [95 percent confidence] more than half of the observed increase in global average surface temperature from 1951 to 2010 was caused by the anthropogenic increase in greenhouse gas concentrations and other anthropogenic forcings together.»
Observed (black) and predicted (blue) global average annual surface temperature difference relative to 1981 - 2010.
Temporary slowdown in global average surface temperature warming observed between 1998 and 2013 represented a redistribution of energy within the Earth system, new research shows.
There are a number of papers by Samuel S. Shen looking at the design of observing networks for estimating spherical harmonics with idealised surface temperature distributions, but I'm not aware of the technique having been used to reconstruct global average temperature using the real distribution of stations and data.
A new study of the temporary slowdown in the global average surface temperature warming trend observed between 1998 and 2013 concludes the phenomenon represented a redistribution of energy within the Earth system, with Earth's ocean absorbing the extra heat.
«Global warming, which is a part of climate change, is the observed increase in average temperature of the Earth's surface and atmosphere.
«It is extremely likely -LCB- 95 % + certainty -RCB- that more than half of the observed increase in global average surface temperature from 1951 to 2010 was caused by the anthropogenic increase in greenhouse gas concentrations and other anthropogenic forcings together.»
According to the BBC, «The panel states that it is 95 percent certain that the «human influence on climate caused more than half the observed increase in global average surface temperatures from 1951 - 2010.»»
England and his colleagues calculated that the stronger trade winds have reduced the global average surface temperature by 0.1 - 0.2 degrees Celsius (0.18 - 0.36 degrees Fahrenheit)-- enough, they write, «to account for much of the hiatus in surface warming observed since 2001.»
Observed changes in (a) global average surface temperature; (b) global average sea level rise from tide gauge (blue) and satellite (red) data and (c) Northern Hemisphere snow cover for March - April.
Parker (2004) segmented observed surface temperature data into lighter and stronger wind terciles in order to assess whether the reported large - scale global - averaged temperature increases are attributable to urban warming.
that more than half of the observed increase in global average surface temperature from 1951 to 2010 was caused by the anthropogenic increase in greenhouse gas concentrations and other anthropogenic forcings together.»
«It is extremely likely that human influence on climate caused more than half of the observed increase in global average surface temperature from 1951 − 2010.»
It is extremely likely [95 percent confidence] all of the observed increase in global average surface temperature from 1951 to 2010 was caused by the anthropogenic increase in greenhouse gas concentrations and other anthropogenic forcings together.
It also follows using the same semantics that: «It is more likely than not that more than the entire observed increase in global average surface temperature from 1951 to 2010 was caused by the anthropogenic increase in greenhouse gas concentrations and other anthropogenic forcings together.»
The phrase «It is extremely likely that more than half of the observed increase in global average surface temperature from 1951 to 2010 was caused by the anthropogenic increase in greenhouse gas concentrations and other anthropogenic forcings together.»
If there is deep - water formation in the final steady state as in the present day, the ocean will eventually warm up fairly uniformly by the amount of the global average surface temperature change (Stouffer and Manabe, 2003), which would result in about 0.5 m of thermal expansion per degree celsius of warming, calculated from observed climatology; the EMICs in Figure 10.34 indicate 0.2 to 0.6 m °C — 1 for their final steady state (year 3000) relative to 2000.
(1) The warm sea surface temperatures are not just some short - term anomaly but are part of a long - term observed warming trend, in which ocean temperatures off the US east coast are warming faster than global average temperatures.
The gradual rise in the global surface temperature from 1978 to 1998 appeared to confirm the statement in IPCC2007 p. 10 that, «Most of the observed increase in global average temperatures since the mid-20th century is very likely due to the observed increase in anthropogenic greenhouse gas concentrations».
Over at RealClimate, on this topic they claim» It is extremely likely that more than half of the observed increase in global average surface temperature from 1951 to 2010 was caused by the anthropogenic increase in greenhouse gas concentrations and other anthropogenic forcings together.
In it, they documented how a change in observing practices before and after World War II produced a cold bias in the sea surface temperatures that were incorporated into the compilations of global average temperatures (see here and here for more details).
I should also have made the point that using the same Figures 4.4 and 4.5 from the referenced report, that one can conclude most of the HadCRUT4 global average surface temperature warming observed from 1970 — present was due to NATURAL causes, as 0.3 C of the approx. 0.55 C warming was due to the 62 year natural cycle with amplitude of + / - 0.15 C.
Figure 1: Observed and predicted global average annual surface temperature difference relative to 1971 - 2000.
And as Judith Curry points out about the current climate, there are many problems with the claim that «more than half of the observed increase in global average surface temperature from 1951 to 2010 was caused by the anthropogenic increase in greenhouse gas concentrations and other anthropogenic forcings together» — far from speaking for itself, the statement needs unpacking and its premises interrogating.
«The net effect of these anomalous winds is a cooling in the 2012 global average surface air temperature of 0.1 — 0.2 degree Celsius, which can account for much of the hiatus in surface warming observed since 2001,» wrote Australian researcher led by Matthew England of the University of New South Wales.
The IPCC says (in the AR5 SPM), «It is extremely likely [defined as 95 - 100 % certainty] that more than half of the observed increase in global average surface temperature from 1951 to 2010 was caused by the anthropogenic [human - caused] increase in greenhouse gas concentrations and other anthropogenic forcings together.»
The pattern, however, appeared to have temporarily changed in the 21st century with scientists observing that regardless of greenhouse gases continuing to trap extra heat, the average global surface temperature appeared to stop climbing and even slightly cooled for about 10 years.
«Despite a wide range of climate sensitivity (i.e. the amount of surface temperature increase due to a change in radiative forcing, such as an increase of CO2) exhibited by the models, they all yield a global average temperature change very similar to that observed over the past century.
The IPCC has already concluded that it is «virtually certain that human influence has warmed the global climate system» and that it is «extremely likely that more than half of the observed increase in global average surface temperature from 1951 to 2010» is anthropogenic.1 Its new report outlines the future threats of further global warming: increased scarcity of food and fresh water; extreme weather events; rise in sea level; loss of biodiversity; areas becoming uninhabitable; and mass human migration, conflict and violence.
In a statement to the British House of Lords, Lord Hunt of King's Heath said «Observations collated at the Met Office Hadley Centre and the University of East Anglia Climate Research Unit indicate that the rate of increase in global average surface temperature between 1975 and 1998 was similar to the rates of increase observed between 1860 and 1880 and between 1910 and 1940 (approximately 0.16 C ° per decade).»
Global surface temperature (anomaly from 1960 - 1990 average) reconstructions for the past 9000 years (Marcott et al. 2013), for the past 2,000 years (PAGES 2k), and observed for the past 150 yrs (Instrumental data from HadCRUT4) and the last 30 years (star).