Sentences with phrase «in global air temperature»

There has been no increase in global air temperature since 1998, which was affected by the oceanographic El Niño event.

We propose that the recent disproportionate rise and fall in CO2 growth rate were caused mainly by interannual variations in global air temperature (which altered both the terrestrial biospheric and the oceanic carbon sinks), and possibly also by precipitation.

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.

Not exact matches

The Tibetan Plateau in China experiences the strongest monsoon system on Earth, with powerful winds — and accompanying intense rains in the summer months — caused by a complex system of global air circulation patterns and differences in surface temperatures between land and oceans.

Meanwhile, average air temperatures in the region rose 1.5 °C over the past 5 decades, nearly twice the global average.

They estimate that, across about 60 % of the global vegetated area, greening has buffered warming by about 14 %; for the remaining areas, which mostly include boreal zones, LAI trends have amplified the raise in air temperatures, leading to an additional warming of about 10 %.

The map below shows the observed change in global near - surface air temperature since 1900.

First, sea - surface temperatures in the Gulf of Mexico have been higher than normal in the past couple of months, due to global warming, which means the air that flowed north would have been warmer to start with.

But climate models predict reductions in dissolved oxygen in all oceans as average global air and sea temperatures rise, and this may be the main driver of what is happening there, she says.

Because air temperature significantly alters atmospheric dynamics, which in turn affects moisture transport, scientists speculate that this increase of high altitude moisture may be tied to global warming.

The second examines what can be done to strengthen commitments between now and 2020 to increase the chance of limiting global warming to a target of 2 °C above pre-industrial temperatures (see «Emissions up in the air?»).

With more than 70 percent of China's energy coming from coal, a power source that contributes heavily to air pollution and global warming, the nation's bad or good energy practices in buildings will be reflected in the color of the sky and the temperature of the Earth.

In the quest to head off rising global temperatures, some scientists have argued for steep curbs in how much soot and methane are released into the aiIn the quest to head off rising global temperatures, some scientists have argued for steep curbs in how much soot and methane are released into the aiin how much soot and methane are released into the air.

By analyzing global water vapor and temperature satellite data for the lower atmosphere, Texas A&M University atmospheric scientist Andrew Dessler and his colleagues found that warming driven by carbon dioxide and other gases allowed the air to hold more moisture, increasing the amount of water vapor in the atmosphere.

To remove this difference in magnitude and focus instead on the patterns of change, the authors scaled the vertical profiles of ocean temperature (area - weighted with respect to each vertical ocean layer) with the global surface air temperature trend of each period.

included in the model projections and is there a potential for a more rapid global temperature increase after hypothetical stopping of air pollution and subsequent cleaning of air?

Note that the temperature profiles have been scaled relative to the global surface air temperature (SAT) trend in each simulation.

Figure 4 - Spatial variability of the sea surface temperature (SST) trends scaled with the global surface air temperature (SAT) trend for each simulation used in the study.

Figure 1 - Sea surface temperature trends scaled with global surface air temperature trends for half the climate models used in the study.

In the case of the global temperature change caused by El Nino, there's still a «reason» for climate change, to be found in the coupled air - sea interactionIn the case of the global temperature change caused by El Nino, there's still a «reason» for climate change, to be found in the coupled air - sea interactionin the coupled air - sea interaction..

Not surprisingly, given that the surface ocean is responsible for much of atmospheric warming, ocean warming and global surface air temperatures vary largely in phase with one another.

In the central United States, for example, observational data indicate that rainfall increased, surface air temperature decreased, and surface humidity increased during the summer over the course of the 20th century concurrently with increases in both agricultural production and global GHG emissionIn the central United States, for example, observational data indicate that rainfall increased, surface air temperature decreased, and surface humidity increased during the summer over the course of the 20th century concurrently with increases in both agricultural production and global GHG emissionin both agricultural production and global GHG emissions.

http://journals.ametsoc.org/doi/abs/10.1175/JCLI-D-11-00148.1 Global satellite observations show the sea surface temperature (SST) increasing since the 1970s in all ocean basins, while the net air — sea heat flux Q decreases.

global warming The increase in Earth's surface air temperatures, on average, across the globe and over decades.

If the temperature record does plainly show a level line of global mean air temperature for the period in question it apparently won't be «seen» by those who are dubious about my remarks.

For example, the global - mean near - surface air temperature was more than 1 K lower than in the experiment assuming spherical snow grains.

This animation shows how the same temperature data (green) that is used to determine the long - term global surface air warming trend of 0.16 °C per decade (red) can be used inappropriately to «cherrypick» short time periods that show a cooling trend simply because the endpoints are carefully chosen and the trend is dominated by short - term noise in the data (blue steps).

The Fourth Assessment Report finds that «Warming of the climate system is unequivocal, as is now evident from observations of increases in global average air and ocean temperatures, widespread melting of snow and ice, and rising mean sea level.

In other research around atmospheric dynamics of tidally locked exoplanets, there could be a situation where the world has efficient «air conditioning» — hot air from one hemisphere is distributed about the planet in such a way to balance global temperatureIn other research around atmospheric dynamics of tidally locked exoplanets, there could be a situation where the world has efficient «air conditioning» — hot air from one hemisphere is distributed about the planet in such a way to balance global temperaturein such a way to balance global temperatures.

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Our modelled values are consistent with current rates of Antarctic ice loss and sea - level rise, and imply that accelerated mass loss from marine - based portions of Antarctic ice sheets may ensue when an increase in global mean air temperature of only 1.4 - 2.0 deg.

The ocean temperature history is obviously a big part of the global surface air temperature history and these new estimates will be used eventually in updates of the HadCRUT3 product.

The study puts a widely reported «hiatus» in global surface air temperatures since 1998 into context.

This was one of the motivations for our study out this week in Nature Climate Change (England et al., 2014) With the global - average surface air temperature (SAT) more - or-less steady since 2001, scientists have been seeking to explain the climate mechanics of the slowdown in warming seen in the observations during 2001 - 2013.

As far as this historic period is concerned, the reconstruction of past temperatures based on deep boreholes in deep permafrost is one of the best past temperature proxies we have (for the global regions with permafrost — polar regions and mountainous regions)-- as a signal of average temperatures it's even more accurate than historic direct measurements of the air temperature, since the earth's upper crust acts as a near perfect conservator of past temperatures — given that no water circulation takes place, which is precisely the case in permafrost where by definition the water is frozen.

Lou Grinzo (12)-- I am under the impression that HadCRUTv3 uses air temperatures on land and sea surface temperatures in the oceans to produce their global mean.

From the abstract: «Despite ongoing increases in atmospheric greenhouse gases, the Earth's global average surface air temperature has remained more or less steady since 2001.»

So, if you have two identical glass greenhouses with thermally isolated mercury thermometers at equilibrium in the sunlight [One with Air at Press =P, and the 2nd w / CO2 at Press =P], and you close the blinds — you will see the thermometer in the CO2 greenhouse retain its temperature longer — not because of any «global warming» type effect, but simply because Air conducts heat to the walls of the greenhouse better than Air does.

Brown, P. T., W. Li, and S. P. Xie (2015), Regions of significant influence on unforced global mean surface air temperature variability in climate models, J. Geophys.

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.

http://climate.nasa.gov/news/1141/: «Norman Loeb, an atmospheric scientist at NASA's Langley Research Center, recently gave a talk on the «global warming hiatus,» a slowdown in the rise of the global mean surface air temperature.

The rate and magnitude of 20th century warming are thus unknowable, and suggestions of an unprecedented trend in 20th century global air temperature are unsustainable.

While the rise in global mean surface air temperature has continued, between 1998 and 2012 the increase was approximately one third of that from 1951 to 2012.»

Thus, small changes of global average air temperature are associated with very large changes in some regions, particularly over land, at mid - to high latitudes, in mountain regions.

Correcting this failure is, to my mind, about quantifying the climate impacts» damages in a scale which plainly does not relate geometrically to average global surface air temperature.

Uncertainty in the Global Average Surface Air Temperature Index: A Representative Lower Limit

ie does a slightly lower density of air mean a slightly lower ground level temperature (temperature normally decreases with height at the lower air density), so that in reality adding CO2 and subtracting more O2 actually causes miniscule or trivial global COOLING, and the (unused) ability of the changed atmosphere to absorb radiation energy and transmit it to the rest of the air is overruled or limited by the ideal gas law?

Sensor measurement uncertainty has never been fully considered in prior appraisals of global average surface air temperature.

So, if you have two identical glass greenhouses with thermally isolated mercury thermometers at equilibrium in the sunlight [One with Air at Press =P, and the 2nd w / CO2 at Press =P], and you close the blinds — you will see the thermometer in the CO2 greenhouse retain its temperature longer — not because of any «global warming» type effect, but simply because Air conducts heat to the walls of the greenhouse better than CO2 does.

In 1998 there was a very strong El Nino and the global annual surface air temperature surged enough to equal the upper bound of the GCM model ensemble.