Sentences with phrase «average mean surface»

Not exact matches

With an El Niño now under way — meaning warm surface waters in the Pacific are releasing heat into the atmosphere — and predicted to intensify, it looks as if the global average surface temperature could jump by around 0.1 °C in just one year.

Maps of median TAE averaged across 23 model simulations for (a) and (b) mean surface air temperature, (c) and (d) highest daily maximum temperature, (e) and (f) lowest daily minimum temperature, (g) and (h) total precipitation, and (i), (j) maximum 1 - d precipitation for (a), (c), (e), (g) and (i) June - August and (b), (d), (f), (h) and (j) December - February.

This means that the atoms have a measurable c - boundary surface that varies in radius around and average size of 10 to the minus 8 cm.

These convective surface motions average only a few centimeters a year — about as fast as your fingernails grow — which means cells recycle their surfaces every 500,000 years or so.

This «means that the average surface conditions are changing.

As New Scientist has previously reported, this means we are passing an ominous milestone, with global surface temperatures now more than 1 °C above the pre-industrial average.

Annual average GCR counts per minute (blue - note that numbers decrease going up the left vertical axis, because lower GCRs should mean higher temperatures) from the Neutron Monitor Database vs. annual average global surface temperature (red, right vertical axis) from NOAA NCDC, both with second order polynomial fits.

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.

«Global mean time series of surface - and satellite - observed low - level and total cloud cover exhibit very large discrepancies, however, implying that artifacts exist in one or both data sets... The surface - observed low - level cloud cover time series averaged over the global ocean appears suspicious because it reports a very large 5 % - sky - cover increase between 1952 and 1997.

[9] Temperature changes Global mean surface temperature difference from the average for 1880 — 2009.

Ray, I think Lee Grable's point is important: The fact that we use the term «global temperature» to mean the average temperature on a two - dimensional surface rather than the three - dimensional ocean plus land plus atmosphere system of the earth has the potential to allow confusion.

* However, the same panel then concluded that «the warming trend in global - mean surface temperature observations during the past 20 years is undoubtedly real and is substantially greater than the average rate of warming during the twentieth century.

... 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.

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.

Global warming does not mean no winter, it means winter start later, summer hotter, as Gary Peters said «The global average surface temperature has risen between 0.6 °C and 0.7 °C since the start of the twentieth century, and the rate of increase since 1976 has been approximately three times faster than the century - scale trend.»

Surface temperatures in parts of Europe appear to have have averaged nearly 1 °C below the 20th century mean during multidecadal intervals of the late 16th and late 17th century (and with even more extreme coolness for individual years), though most reconstructions indicate less than 0.5 °C cooling relative to 20th century mean conditions for the Northern Hemisphere as a whole.

«The average global temperature anomaly for combined land and ocean surfaces for July (based on preliminary data) was 1.1 degrees F (0.6 degrees C) above the 1880 - 2004 long - term mean.

This February's sea surface temperatures were 1.46 degrees above average, which means the past nine months have been the nine highest monthly global ocean temperature departures on record.

But the models do not represent the earth by every square mm of land surface albedo, but by grid - scale averages — but note that the 4th power radiation from a mean albedo will almost never equal the radiation from the detailed actual surface.

During the drought years of 2012 — 2015, mean monthly water temperatures in the freshwater regions of the Delta from April to July were on average higher than between 1995 and 2011 (two - factor ANOVA, Bonferroni corrected P < 0.01), demonstrating the effects of drought on surface water temperatures (Fig. 1B).

What I mean is simply that we have as much actual empirical evidence for the existence of even one unicorn in this world as we have for the basic AGW claim that more CO2 in the atmosphere can, will and does cause a net rise in Earth's average global surface temperature, i.e. NONE whatsoever!

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.

Should the veracity of the GH theory not have to answer to these far more detailed predictions then to a simple estimation of increased surface temperature, and using whichever of the various means of arriving at a global average best matches that one parameter?

From such a temperature distribution one may derive a mean global surface temperature and may compare it with the globally average near - surface temperature for the real Earth - atmosphere system of about 288 K.

Dataset Output Times and Time Averaging: 3 - hourly for surface and upper air fields, Monthly means of selected variables

We might expect «global warming» (i.e., an increase in average surface air temperatures over a few decades) to lead to a rise in global mean sea levels.

The challenge will be settled using the NASA GISS mean global land surface temperatures for the conventional climate averaging period (defined by the World Meteorological Organization as 30 years) ending on December 31, 2016.

Indeed, things do seem to be warming up as the Earth's average surface temperature climbed to a record high in 1995, continuing a pattern of hotter mean temperatures for our planet.

Even the standard radiative GHG effect of 33 or something K is on very shaky ground, i mean the explanation for higher than black - body temperature of the surface (the average) using only radiative «forcing».

Monthly averages of global mean surface temperature (GMST) include natural variability, and they are influenced by the differing heat capacities of the oceans and land masses.

And, of course, we do not need to global climate models to run impact models with an annual average increase in the mean surface air temperature of +1 C and +2 C prescribed for the Netherlands.

Running twelve - month averages of global - mean and European - mean surface air temperature anomalies relative to 1981 - 2010, based on monthly values from January 1979 to March 2018.

Running twelve - month averages of global - mean and European - mean surface air temperature anomalies relative to 1981 - 2010, based on monthly values from January 1979 to April 2018.

Running twelve - month averages of global - mean and European - mean surface air temperature anomalies relative to 1981 - 2010, based on monthly values from January 1979 to February 2018.

2) The fractal nature of the earth's surface means that averaging anything over that surface will give different answers based on how far apart your measurements are taken — and the answers will not converge to a single «correct» answer the closer together you make them.

Current «cool» phase of the PDO began in late 1998 / early 1999 (certainly not 2008), and when it flipped it generally meant cooler sea surface temperatures along the west coast of N. America but warmer temperatures on average over other other broad regions of the Pacific.

Besides I strongly oppose (like R.Pielke and many others) the idea that the «global time average of the surface temperature» has any physical meaning or is a valid metrics to measure the «climate» and I can't see the beginning of a valid reason why it should correlate to any relevant dynamical parameter.

The solid blue line is the average temperature of the world's oceans between the surface and 1900m depth — the dashed line is a 13 - month running mean.

The fact this is seemingly not fully recognized — or here integrated — by Curry goes to the same reason Curry does not recognize why the so called «pause» is a fiction, why the «slowing» of the «rate» of increase in average ambient global land and ocean surface air temperatures over a shorter term period from the larger spike beyond the longer term mean of the 90s is also meaningless in terms of the basic issue, and why the average ambient increase in global air temperatures over such a short term is by far the least important empirical indicia of the issue.

In the opinion of the panel, the warming trend in global - mean surface temperature observations during the past 20 years is undoubtedly real and is substantially greater than the average rate of warming during the twentieth century.

The Summary for Policy Makers at the beginning of AR5 defines «the past» by referencing temperatures to the global mean surface temperature averaged over 1985 - 2005.

Hemispheric or global averages of mean surface air temperature are, therefore, largely determined by the temperature of the continents (Fig. 4 and Fig. 7).

That means the average surface temperature is suspect.

PAGES 2k Consortium [2013] reconstructed mean surface temperatures averaged over continental - scale regions.

The 43 % increase of SW energy thermalised at the surface means its average temperature is 4 to 5 deg C.

This means that if you are younger than 38 years old, you've never experienced a year in which the global average surface temperature was below average.

Time series of seasonally averaged global surface temperature (December 1879 — August 1999) based on the Quayle et al. (1999) data set, computed as differences from the 1880 — 1998 mean.

Figure 3: Global mean sea level variations (light line) computed from the TOPEX / POSEIDON satellite altimeter data compared with the global averaged sea surface temperature variations (dark line) for 1993 to 1998.

When someone talks about climate change and warming in particular it would only make sense if they meant that the average temperature accross the earths surface is warmer than it used to be at some point in the past.

While the trend is not statistically significant, the central value is positive, meaning the average surface temperature has most likely warmed over this period.