Not exact matches
These Chandra observations
showed that expanding debris from a supernova can accelerate subatomic particles faster than previously thought, and in fact can account for the highest - energy protons that come from outer space and are seen hitting the Earth's
upper atmosphere.
Detailed studies of the images promise to shed light on the weird properties of sprites, which
show how electricity courses through the thin
upper atmosphere.
We conducted experiments
showing that the only way for this excess of 15N15N to occur is by rare reactions in the
upper atmosphere.
New research
shows that this understanding of the
upper atmosphere's response to solar storms — and the resulting satellite drag — may not always hold true.
Now new research
shows that these eruptions on the sun's surface not only send bursts of energetic particles into Earth's
atmosphere causing disturbances in the magnetic field, but they may also significantly decrease the number of free electrons over large areas in the polar region of the ionosphere — the ionized part of the
upper atmosphere.
The Advanced Thin Ionization Calorimeter,
shown here in Antarctica before a 2005 launch, detected cosmic rays in the
upper atmosphere.
Results
showed that additional data collected that year through more frequent observation of meteorological conditions in the Arctic's
upper atmosphere from both land - based research stations and the research vessel Lance plying winter Arctic waters improved the accuracy of cold wave forecasts.
Observations from the Ulysses spacecraft, which launched in 1990
show the stream of charged subatomic particles emitted from the Sun's
upper atmosphere has dropped 20 % since the mid-1990s.
Prof Mats Holmström, of the Swedish Institute of Space Physics, who will present the first results of the encounter from the Mars Express ASPERA - 3 instrument, says: «Our data and modelling
show that the
upper layers of the martian
atmosphere were disturbed by the passing comet.
In their study the researchers
show that, once in the deep tropics, the polluted air is lifted towards the
upper atmosphere.
«The models clearly
show that pollution originating from Asia has an impact on the
upper atmosphere and it appears to make such storms or cyclones even stronger,» Zhang explains.
Observation by the MAVEN spacecraft of the
upper Mars
atmosphere during a CME
showed an enhancement in the escape rate of ions to space during the event, suggesting that ion loss during solar events in early Mars history may have been a major contributor to the long - term evolution of the Mars
atmosphere (Jakosky et al. 2015).
We had one expert on the
show, Dr. Peter Pry who explained that a solar storm, or a hostile nuclear blast in the
upper atmosphere, could crash the grid and most of the electronics behind our civilization.
While Pluto's
upper atmosphere has exhibited little change between 1988 and 2013, its lower
atmosphere has
shown otherwise.
Wind direction on Titan is difficult to measure remotely because Titan's
upper atmosphere consists of an orange haze of hydrocarbons (molecules of hydrogen and carbon) with no global features that
show movement.
This image
shows atomic hydrogen scattering sunlight in the
upper atmosphere of Mars, as seen by the Imaging Ultraviolet Spectrograph on the MAVEN spacecraft.
This animation first
shows Curiosity working to understand Mars as a past habitat, with a cut to MAVEN arriving at Mars to study the
upper Martian
atmosphere.
This simple radiative example (convective transport is not being allowed)
shows that any finite surface temperature Ts can be supported in radiative equilibrium with any arbitrarily cold «
upper atmosphere» temperature Tt, by prescribing the appropriate LW opacity TAU for the atmospheric layer, with the energy required to maintain a fixed Ts adjusted accordingly.
The
upper atmosphere, comprising the stratosphere and mesosphere, is expected to cool during an AGW, as
shown by the GCMs.
«Miskolczi additionally
shows from 61 years of radiosonde data that a long - term decrease in the Earth's greenhouse effect from humidity decreases in the middle and
upper atmosphere have approximately counterbalanced the increase in the greenhouse effect from rising CO2 levels.
If 100 Hiroshima - sized bombs, each as powerful as 15,000 tons of TNT, were exchanged in a war between two developing - world nuclear powers such as India and Pakistan, models
show the resulting fires would send five million metric tons of black carbon into the
upper troposphere - the lowest - altitude layer of the
atmosphere.
The 2009 State of the Climate report gives these top indicators: humans emitted 30 billion tons of of CO2 into the
atmosphere each year from the burning of fossil fuels (oil, coal, and natural gas), less oxygen in the air from the burning of fossil fuels, rising fossil fuel carbon in corals, nights warming faster than days, satellites
show less of the earth's heat escaping into space, cooling of the stratosphere or
upper atmosphere, warming of the troposphere or lower
atmosphere, etc..
The lower
atmosphere, the troposphere, has
shown warming pretty much across all latitude bends, and the
upper atmosphere has
shown cooling over the last 30 to 40 years or so.
It is entirely possible that volcanos
show a transient thermal absorption response before they turn into
upper atmosphere radiation reflectors.
A third example would be the research on how incoming solar irradiance influences China's thermometer temperature records,
showing that over periods of many decades the variations in total solar irradiance in the
upper atmosphere are matched by variations at the surface.
We do have the instruments to measure the temperature of the
upper atmosphere, that varies considerably, and not only due to UV and X-ray variations, as the SABER data
shows.
Ulric Lyons: We do have the instruments to measure the temperature of the
upper atmosphere, that varies considerably, and not only due to UV and X-ray variations, as the SABER data
shows.
In 1952, he
showed that in the
upper atmosphere the saturation of CO2 lines should be weak.
We know the
upper atmosphere is undeveloped, and it
shows smaller changes.
This, combined with the content of the paper he was announcing publication of, clearly indicate that he's lamenting the gaps in our monitoring of the climate system to
show where the energy is being sent if it's not
showing up in the surface /
upper oceans / lower
atmosphere records.
Contrary to the model assumptions, radiosonde humidity data
show declining water vapor in the
upper atmosphere as
shown in this graph.
The past decade has
shown an observed lack of warming, both in the
atmosphere (surface plus troposphere) and the
upper ocean, despite an observed record increase in CO2.
The observations
showed that when the usual shallow cumulus clouds give way to the MJO's towering cumulonimbus storms, radiant heat trapped by clouds and moisture gradually warms a deeper column of the lower
atmosphere while the tops of the storms radiate heat into space, cooling the
upper troposphere.
Suke Manabe and other scientists, when modeling the climate in the 1960's at the Princeton Fluid Dynamics Laboratory,
showed that increased CO2 would cause the lower
atmosphere to warm and the
upper atmosphere to cool (or warm less).
The
upper graph,
showing down - looking readings at the top of the
atmosphere shows that approximately 1/2 of the 15 um radiation is absorbed.
There is still some ambiguity in the tropics, where most measurements
show the surface warming faster than the
upper troposphere, whereas the models predict faster warming of the
atmosphere.
This seems to
show that, especially in the
upper atmosphere.
Those on the ground there may possibly be treated to a «splendid» light
show, as China's space agency put it, as if a large meteor is breaking up in the
upper atmosphere.