[Response: From the Supporting Online Information: The 14 proxy series were each smoothed to remove variations
on time scales shorter than 20 years by the application of a Gaussian - weighted filter that reduces the amplitude of 20 - year cycles by 50 % and shorter cycles by more than this.
If current coal reserves are burned
on a time scale short compared to time scales for carbon storage, then CO2 concentrations will go over 400 ppm rather easily.
Whether the the changes in Earth rotation have any significant influence in the opposite direction
on any time scale shorter than thousands of years is less obvious.
Not exact matches
It's not measured
on years anymore; you can actually see it in a
shorter time scale.
Now, our proprietary signals are finally indicating it is
time to start tightening protective stops and
scaling out of winning trades (selling partial share size), although I should clarify we have NOT yet received the necessary signals to become bearish and start initiating trades
on the
short side of the market.
Just
on the
time -
scale for historical documents — decades is an incredibly
short period of
time for * secondary * documents.
In
short, a rider's
time is measured against the world record for the distance and category and the rider is awarded points
on a sliding
scale: the closer they get to their corresponding world best, the more points they get.
What is happening now is that the rate of technological innovation which induces changes in the jobs market is happening
on time scales that are
shorter than the
time scale on which the job market can adjust itself
on.
What we're now seeing in certain sectors is that entire classes of jobs become obsolete
on short time scales (say a decade), making the retraining needed more like going back to school for several years.
That is the unimaginably
short time scale on which processes such as the motion of an electron in an atom can be studied.
And so, that implies that there are limits that constrain how flexible your brain is, at least
on these
short time scales.»
While the atmosphere is mainly causing climate variations
on shorter time scales, from months to years, the longer - term fluctuations, such as those
on decadal
time scales, are primarily determined by the ocean.
In this way, fast calculations can be made using superconducting circuits; however storage is only possible
on very
short time scales.
This approach complements traditional forecast simulations, which are very accurate for a
short period of
time but lose their reliability
on timescales that are required to understand the fate of the spill
on the
scale from days to weeks.»
Yeakel created a timeline based
on existing records from paleontology, archaeology, and art, which picks up about where the fossils leave off and zooms in
on a much
shorter time scale.
«
On short time scales, we can have variable responses to the loss of sea ice among subpopulations of polar bears,» Laidre said.
The scientists were now able to experimentally investigate the dynamics of these structures
on short time scales for the first
time.
«This shows that there are internal responses within the climate system that can make glaciers grow and shrink
on very
short time scales.
To understand these effects and exploit them for novel, e.g., acoustooptical, devices, one needs to image the delicate interplay of nuclear and electronic motions
on a
time scale much
shorter than 1 ps.
Nevertheless, the vibrational motions act back
on the electrons, modulate their spatial distribution and change the electric and optical properties of the crystal
on a
time scale which is
shorter than 1 ps (10 - 12 s).
«It can be used for testing potential candidates
on the atomic
scale within a
short space of
time.»
If the ionization states of silicon can not only be sampled
on such a
short time scale, but can also be set — as the first experiments with krypton suggest — scientists might one day be able to use this to develop novel and even faster computer technologies.
«Other researchers use x-rays to capture atomic motions, so no one thought we could ever develop a bright enough source based
on electrons as they undergo electron - electron repulsion and would blow up without being able to capture an image
on the incredibly
short time scale required,» says Miller.
You have to keep current, because practices and priorities change —
on time scales much
shorter than 40 years, especially with the donor sources that are in the private sector.
By reading and analyzing this current, FAU researchers have found that quantum mechanical interference of electron waves can be used to control current
on extremely
short time scales.
The researchers believe that at least 40 billion Type Ia supernovae must have exploded within a relatively
short period
on cosmological
time scales in order to release that much iron and have the force to drive it out of the galaxies.
«What this tells us is over a relatively
short time on an evolutionary
time scale,
on the order of five million years, you get tremendous variation in the DNA of two similar organisms,» Perna notes.
Most major animal groups appear for the first
time in the fossil record some 545 million years ago
on the geological
time scale in a relatively
short period of
time known as the Cambrian explosion.
Their luminosity varies
on time scales of a few months to as
short as a few days.
On this latter scale teleconnections manifest as a response of middle - latitude weather to the dominant modes of variability of the tropics (the Madden - Julian Oscillation and the Boreal Summer Intra-seasonal Oscillations, which similar to El Niño and La Niña characterize variations of climate but on shorter time scales
On this latter
scale teleconnections manifest as a response of middle - latitude weather to the dominant modes of variability of the tropics (the Madden - Julian Oscillation and the Boreal Summer Intra-seasonal Oscillations, which similar to El Niño and La Niña characterize variations of climate but
on shorter time scales
on shorter time scales).
Certainly, there is no reason to believe that CO2 as a climate driver has been undermined in any way, especially
on shorter time scales.
Those early results are very positive, and strongly indicate that the nanoparticles could be useful for assessing how effective a therapy is
on a much
shorter time scale than current treatments, which usually rely
on observing the size of the tumor.
«If the stain is only a thin, colored veneer
on the icy soil, exposure to the space environment at Tethys» surface might erase them
on relatively
short time scales.»
Here we aimed to identify electrophysiological correlates of intrinsic BOLD FC in canonical cortical networks and to clarify how electrophysiological FC within those networks fluctuates across frequencies
on short time scales.
The data is
on atmospheric absorption during occultations, indicating
short time scale variability.
On shorter time scales, and layered on top of Pacific Decadal Oscillation variation, the Pacific North American pattern and the El Niño - Southern Oscillation cycles (see Climate chapter) can also affect variation in snowpac
On shorter time scales, and layered
on top of Pacific Decadal Oscillation variation, the Pacific North American pattern and the El Niño - Southern Oscillation cycles (see Climate chapter) can also affect variation in snowpac
on top of Pacific Decadal Oscillation variation, the Pacific North American pattern and the El Niño - Southern Oscillation cycles (see Climate chapter) can also affect variation in snowpack.
Thus, if a molecule has a high GWP
on a
short time scale (say 20 years) but has only a
short lifetime, it will have a large GWP
on a 20 year
scale but a small one
on a 100 year
scale.
The increased risk of further heat waves (intensive heat over relatively
short time scales) as well as exposure to warmer temperatures over the longer term, suggest that recovery will depend
on thermally - resistant individuals that may trade - off high temperature tolerance with other important attributes such as nutritional value or rapid growth.
Molecular interactions
on the millisecond
time scale are very common, and single - molecule force spectroscopy of such
short - lived molecular complexes requires sub-millisecond resolution and control of the applied load.
[34] The light curve of B varies
on a
short time scale and there has been at least one observed flare.
On shorter time scales, however, changes in heat storage (i.e., ocean heat uptake or release) can affect global mean temperature.
Varga's research focuses
on the interaction of lasers and matter at the atomic
scale and is part of the new field of attosecond science — an attosecond is a billion billionths of a second — that is allowing scientists to study extremely
short - lived phenomena such as the making and breaking of chemical bonds and tracking the real -
time motion of electrons within semiconductors by probing them with attosecond pulses of laser light.
This lets us follow chemical reactions
on a very
short time scale.
The dynamics of solar processes can be captured
on shorter time scales, and the improved light - gathering capacity of the new telescopes allows us to extract more information from spectral lines with higher fidelity and accuracy, especially with respect to magnetic field measurements.
1) the atmosphere (which can also be subdivided into northern and southern hemispheres, and even into Hadley Cells) all with fairly
short time constants 2) the upper ocean —
time constant
on the order of years to decades 2a) the biosphere —
time scale from 1 year to decades and even centuries and millennia for some processes 3) abyssal ocean (timescale of many decades to ~ a century or more) 5) the geosphere — timescale of millennia to eons.
Because they can deploy new technology
on relatively
short time scales or move rapidly to follow up
on recent discoveries, newly conceived missions of moderate cost can at
times scientifically outperform the large missions
on particular problems.
Simple biogeochemical flux modeling suggests that, if the Archean Earth was kept warm by a methane greenhouse, then the evolution of oxygenic photosynthesis could have triggered a Snowball Earth event
on a
time scale as
short as about a million years (Kopp et al., 2005).
These opportunities include the use of
short - pulsed X-ray sources for extracting
time - dependent structural information from proteins; and the revolutionary new possibilities created by X-ray Free Electron Lasers, which combine ultrafast X-ray pulses with high brilliance focussing capabilities to create an entirely new regime of pre-damage
time - resolved serial femtosecond crystallography
on unprecedented
time -
scales.
Researchers who have traditionally focused
on seasonal or
shorter time scales talk about things like vertical shear, ITCZ latitude and African wave characteristics as centrally important.
If more heat is transferred to the oceans than is accounted for by the models, that «is a negative atmospheric feedback, at least
on shorter time scales.»