Sentences with phrase «average surface temperature over»

Global warming is the unusually rapid increase in Earth's average surface temperature over the past century primarily due to the greenhouse gases released by people burning fossil fuels.
Otherwise we are locking the world into as much as a 9 degrees Fahrenheit increase in average surface temperature over the next century, which could well destabilize our climate.
Independent evidence shows that the attribution to humans of the large signal, 1ºC rise in Earth's global average surface temperature over the last century is erroneous, and confirms the non-existence of AGW.
Global warming is the unusually rapid increase in Earth's average surface temperature over the past century primarily due to the greenhouse gases released as people burn fossil fuels.
Regardless, claims that «Global warming is the unusually rapid increase in Earth's average surface temperature over the past century» are erroneous and indicative of either ignorance or duplicity on the part of NASA's Earth Observatory, NASA's Climate Consensus page, The Daily Mail, the EPA and many others.
As I see it there are two separate but related question here — what has happened to the average surface temperature over the last 16 years or so, and what can we conclude from that.
«claims that «Global warming is the unusually rapid increase in Earth's average surface temperature over the past century» are erroneous and indicative of either ignorance or duplicity on the part of NASA's Earth Observatory, NASA's Climate Consensus page, The Daily Mail, the EPA and many others.»
I found that the general belief is that the average surface temperature over the whole earth for a whole year has increased from ~ 288 K to 288.8 K in roughly 150 years, i.e. 0.3 % and that it is due to increased CO2.
If I remember correctly, models spin up to stable values at different average surface temperatures over a range of ~ 4 C.

Not exact matches

However, the average surface temperature of the planet seems to have increased far more slowly over this period than it did over the previous decades.
Land and Ocean Combined: The combined average temperature over global land and ocean surfaces for August 2014 was the record highest for the month, at 61.45 °F (16.35 °C), or 1.35 °F (0.75 °C) above the 20th century average of 60.1 °F (15.6 °C).
The global average temperature over land and ocean surfaces for January to October 2014 was the highest on record, according to the U.S. National Oceanic and Atmospheric Administration (NOAA).
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.
Warmer than average temperatures were evident over most of the global land surface, except for parts of western Europe, northern Siberia, parts of eastern Asia and much of central Australia stretching north.
In the latter half of the decade, La Niña conditions persisted in the eastern and central tropical Pacific, keeping global surface temperatures about 0.1 degree C colder than average — a small effect compared with long - term global warming but a substantial one over a decade.
Warmer than average temperatures were evident over most of the global land surfaces, except for parts of the United States and western Europe, northern Siberia, parts of eastern Asia and much of central Australia stretching north.
Global warming, the phenomenon of increasing average air temperatures near the surface of Earth over...
Expressed as a global average, surface temperatures have increased by about 0.74 °C over the past hundred years (between 1906 and 2005; see Figure 1).
seems to be incompatible with the statement from his Annual review paper from 2000 (see abstract below) that: «The average surface temperature of the continents has increased by about 1.0 K over the past 5 centuries; half of this increase has occurred in the twentieth century alone.»
Global mean temperatures averaged over land and ocean surfaces, from three different estimates, each of which has been independently adjusted for various homogeneity issues, are consistent within uncertainty estimates over the period 1901 to 2005 and show similar rates of increase in recent decades.
Each layer of water can have drastically different temperatures, so determining the average over the entirety of the ocean's surface and depths presents a challenge.
The globally averaged temperature over land and ocean surfaces for February 2017 was the second highest for the month.
The globally averaged temperature over land and ocean surfaces for March 2017 was the second highest for the month.
global warming The increase in Earth's surface air temperatures, on average, across the globe and over decades.
The globally averaged temperature over land and ocean surfaces for 2015 was the highest among all years since record keeping began in 1880.
Analysing surface temperature data for 1979 - 2015, they link a warm Arctic during March to colder - than - average temperatures over northern regions of North America and dry conditions in central southern areas between March and May.
Surface air temperatures over the Barents and Kara seas during winter, compared to the 1979 - 2013 average.
Cooling sea - surface temperatures over the tropical Pacific Ocean — part of a natural warm and cold cycle — may explain why global average temperatures have stabilized in recent years, even as greenhouse gas emissions have been warming the planet.
Fig. 4 The «Cold Sun» forecast of Vahrenholt and Lüning compared with global surface temperatures of the British Meteorological Service (HadCRUT data), moving average over 23 months to end of October 2016.
Global average surface temperatures increased on average by about 0.6 degrees Celsius over the period 1956 - 2006.
Fig. 5 The «Cold Sun» forecast of Vahrenholt and Lüning compared with global surface temperatures of the British Meteorological Service (HadCRUT data), running average over 37 months.
These four channels measure the atmospheric temperature in four thick layers spanning the surface through the stratosphere...... The brightness temperature for each channel corresponds to an average temperature of the atmosphere averaged over that channel's weighting function.
Jacob (and many, many others) seem to think that if model A, when run from 1900 to present, predicts the relatively flat, global average surface temperature record over the past decade, is a better match to reality than model B which does not.
More than 95 % of the 5 yr running mean of the surface temperature change since 1850 can be replicated by an integration of the sunspot data (as a proxy for ocean heat content), departing from the average value over the period of the sunspot record (~ 40SSN), plus the superimposition of a ~ 60 yr sinusoid representing the observed oceanic oscillations.
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....
What I find most interesting is that the models are not normally distributed in calculated average surface temperature; there is a relatively tight cluster of models (22 data points) around 14.7 + / - 0.15 C absolute temperature and the rest spread out over 12.3 C to 14.1 C; perhaps the clustered models are based on common assumptions an / or strategies which lead to a relatively consistent calculated average surface temperature.
El Niño: A phenomenon in the equatorial Pacific Ocean characterized by a positive sea surface temperature departure from normal (for the 1971 - 2000 base period) in the Niño 3.4 region greater than or equal in magnitude to 0.5 degrees C (0.9 degrees Fahrenheit), averaged over three consecutive months.
«The combined average temperature over global land and ocean surfaces tied with 2010 as the highest on record for April, at 58.09 °F (14.47 °C) or 1.39 °F (0.77 °C) above the 20th century average
WRT water vapor amplification, I suspect that the basic (radiative only) amplifying effect of water vapor, which is something less than a factor of 2 over the CO2 - only effect of ~ 1.2 C, IIRC, will be close to the same across a range of average surface temperatures.
«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.»
The record - breaking year of 2005 had below - average dust over the Atlantic, very warm sea surface temperatures, and an unprecedented four hurricanes that reached category 5, the highest classification.
The 2007 IPCC report highlights surface temperature projections for the period 2090 - 2099 under a business - as - ususal scenario that reveals +5 °C to +7 °C warming warming of annually average temperatures over much of Eurasia under an aggressive A2 scenario.
Given all the independent lines of evidence pointing to average surface warming over the last few decades (satellite measurements, ocean temperatures, sea - level rise, retreating glaciers, phenological changes, shifts in the ranges of temperature - sensitive species), it is highly implausible that it would lead to more than very minor refinements to the current overall picture.
seems to be incompatible with the statement from his Annual review paper from 2000 (see abstract below) that: «The average surface temperature of the continents has increased by about 1.0 K over the past 5 centuries; half of this increase has occurred in the twentieth century alone.»
The current average surface temperature is ~ 16C, an increase of ~ 1C over the past century.
However their predictions are about much more than just the average near - surface air temperature, they are mainly focused on how heat mixes into the ocean and how that affects the rise in surface temperature as CO2 is doubled over 100 years.
For instance, Keigwin's NOV ’96 Science paper which showed 4 - 5 occurences higher sustained sea - surface temperatures oscillations over 3 milleniums of core sample averages, vs. our last 100 + years?
Preliminary calculations * show that surface temperatures ** averaged over the globe in 2004 were the fourth highest (and the past decade was the warmest) since measurements began in 1861.
It is likely that there has been a substantial anthropogenic contribution to surface temperature increases averaged over each continent except Antarctica since the middle of the 20th century (Hegerl et al., 2007, Section 9.4.2).
The global temperature record represents an average over the entire surface of the planet.
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