Sentences with phrase «oscillation over»

This may be related to an ongoing shift in the Pacific Decadal Oscillation over spring and early summer this year.

And you can come up with your five or six technical points till you are blue in the face, but the average guy in the Dog and Duck doesn't care about whether the PDO oscillation over the aerosols (weren't they banned?)

One has been a long - term natural climate oscillation over the Pacific Ocean that has steered storms away from the western United States.

We noticed some slight oscillation over bumps and overall got the feeling the dampers had a small amount of travel in which there was actually little damping control.

The ride quality is very nice, although prone to oscillation over wavy roads.

But while the Arctic oscillation over the past three months was remarkable, he said, the cold temperatures were relatively benign compared to the late 1970s.

The article, «Extreme rainfall activity in the Australian tropics reflects changes in the El Niño / Southern Oscillation over the last two millennia,» presents a precisely dated stalagmite record of cave flooding events that are tied to tropical cyclones, which include storms such as hurricanes and typhoons.

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?

In any case, proper accounting of the dominance of oscillations over at least the short - term course of surface temperatures means that the solar explanation can not be easily dismissed.

There has been no sudden increase but a series of well documented oscillations over the centuries with the current rise dating to around 1700 or so.

Here we show that climate oscillations over the past four million years can be explained by a single mechanism: the synchronization of nonlinear internal climate oscillations and the 413,000 - year eccentricity cycle.»

It argues that the incline is from coming from the ending of the LIA (that is what happens after ice ages, after all), and that we have natural oscillations over approximately 20 - 30 years since its end about 1800 — the very start (and low point) of the BEST land graph.

phil said: «It is beyond any doubt that a large dissipative open system with obvious chaotic dynamics such as the climate, is subject to internally driven nonlinear oscillations over a wide range of time scales.»

Not exact matches

The «aha» spot: At moments of insight, the brain experiences 40Hz oscillations (gamma waves) over the right anterior temporal lobe and just above the right ear.

Due to potentially - large oscillations in the desire to hold cash and to the fact that changes in the money supply can take years to impact the cost of living, this theoretical rate of purchasing - power change will tend to be inaccurate over periods of two years or less but should approximate the actual rate of purchasing - power change over periods of five years or more.

For an investor who plans to be in the market for years to come, fretting over daily oscillations in the market is a recipe for disaster.

For given values of system parameters (temperature, reactant concentration, etc.), each oscillation will be a duplicate of the previous one, once an initial «warm - up» period is over.

The Madden - Julian Oscillation is a cluster of rainstorms that moves east along the Equator over 30 to 60 days.

So climatologist James Elsner of Florida State University in Tallahassee and his colleagues looked for ties between hurricane tracks and the North Atlantic Oscillation (NAO), a seesaw shift in atmospheric pressures over the ocean (Science, 12 February 1999, p. 948).

But these severe winters may be a temporary phase within longer term warming: By the end of the century, the researchers report, the Arctic Oscillation could overpower the cooling effect from WACE — and winter temperatures over Eurasia will gradually increase.

«In winter, a positive North Atlantic Oscillation (NAO) is linked with a more northward, vigorous jet and mild, wet, stormy weather over the UK, while a negative NAO tends to be associated with a more southerly - positioned jet and relatively cold and dry but sometimes snowy conditions.

Over the next three years, MicroBooNE will search for additional sources of neutrino oscillation beyond those already known.

This is what happens in the case of the more familiar Cepheids and RR Lyrae stars, which have oscillation periods that extend over a few hours to hundreds of days.

A string of such beautiful, interventionist mice experiments over the past several years has revealed specific circuit elements involved in a variety of normal and pathological behaviors: depression, behavioral conditioning, Parkinson's disease and cortical oscillations critical for attention, among others.

Professor Aneta Stefanovska from Lancaster University, who has been studying the physics of biological oscillations for over 20 years, said: «Combining the technique to noninvasively record the fluctuation corresponding to cerebrospinal fluid and our sophisticated methods to analyse oscillations which are not clock - like but rather vary in time around their natural values, we have come to an interesting and non-invasive method that can be used to study aging and changes due to various neurodegenerative brain aging may begin earlier than expected.»

Preliminary results showed evidence of a decline in the coherence between these oscillations in participants over the age of 25, indicating that brain aging may begin earlier than expected.

So, we average over an enormous number of thermal oscillations and an enormous numbers of atoms — the laser beam does that automatically.

Over time this can produce vocal nodes, calluslike knobs that grow on the vocal cords and prevent them from closing completely during their oscillation.

By the time the learning period was over, cells were phase locked to the oscillation and a large portion of the cells responded specifically to one or the other of the smell - odor pairs.

With the latest - generation laser sources, which allow full control over the electromagnetic field even down to a single oscillation, the newly published method will allow deep insights into the materials of the future.

During each of the oscillation cycles a wave travels over the vocal folds from the lungs to the mouth, which keeps the oscillations going.

«For various periods over the last 60 years, we have been able to combine important processes: atmospheric variability, such as the North Atlantic Oscillation, water and air temperatures, the occurrence of fresh surface water, and the duration of convection,» explains Dr. Marilena Oltmanns from GEOMAR, lead author of the study.

If light excites part of the molecule into oscillation, the state of the molecule moves upward, energetically speaking, perhaps even up over a pass or a peak.

Researchers from the University of California Irvine have shown that a phenomenon known as the Atlantic Multidecadal Oscillation (AMO)-- a natural pattern of variation in North Atlantic sea surface temperatures that switches between a positive and negative phase every 60 - 70 years — can affect an atmospheric circulation pattern, known as the North Atlantic Oscillation (NAO), that influences the temperature and precipitation over the Northern Hemisphere in winter.

But the period of time over which the team analysed the long - term trend in warming was the past 50 years, in which this oscillation hasn't changed significantly — so almost all the warming looks to have been the result of anthropogenic climate change.

I coined the term in an interview with Richard Kerr [a writer for Science] in 2000 over a paper with Tom Delworth of the Geophysical Fluid Dynamics Laboratory and the NOAA Laboratory in Princeton, where we actually were the ones to articulate the existence of this oscillation.

«Sustained monitoring is required over the next decade to find out if what we're seeing is an actual shift, or if it's part of a larger oscillation,» says Condon.

Cloud changes are dominated by the El Niño - Southern Oscillation and appear to be opposite over land and ocean.

Indeed, the dampened late 20th century winter warming over a substantial part of Greenland, particularly the western and southern regions emphasized by the network of stations analyzed by Vinther et al, is known (see e.g. this NOAA page) to be associated with a trend toward the positive phase of the Arctic Oscillation («AO») pattern.

The records document that the Laschamp Excursion was characterized locally by (1) declination changes of ± 120 °, (2) inclination changes of more than 140 °, (3) ~ 1200 - year oscillations in both inclination and declination, (4) near 90 ° out - of - phase relationships between inclinations and declinations that produced two clockwise loops in directions and virtual geomagnetic poles (VGPs) followed by a counterclockwise loop, (5) excursional VGPs during both intervals of clockwise looping, (6) magnetic field intensities less than 10 % of normal that persisted for almost 2000 years, (7) marked similarity in excursional directions over ~ 5000 km spatial scale length, and (8) secular variation rates comparable to historic field behavior but persisting in sign for hundreds of years.

If it is true, as some studies suggest for example, that El Nino events become more frequent and greater in magnitude due to anthropogenic forcing (this is not yet a settled issue), then, given the established relationship between the El Nino / Southern Oscillation (ENSO) and the extratropical Pacific / North American atmospheric circulation, we might expect increased baroclinicity and greater storminess over a substantial region of the mid-latitude North Pacific ocean and neighboring western U.S..

Similarly, if as a number of recent studies suggest, anthropogenic climate forcing leads to a greater tendency for the positive phase of the North Atlantic Oscillation (NAO)[or related «Arctic Oscillation» (AO)-RSB- pattern, we would expect increased baroclinicity and storminess over a substantial region of the mid-latitude North Atlantic ocean and neighboring western Europe..

The El Nino Southern Oscillation shows close correlation to global temperatures over the short term.

A recent study of instrumental time series revealed NAO [North Atlantic Oscillation] as main factor for a strong relation between winter temperature, precipitation and river discharge in central Norway over the past 50 years.

Results from a multiregression analysis of the global and sea surface temperature anomalies for the period 1950 — 2011 are presented where among the independent variables multidecade oscillation signals over various oceanic areas are included.

... On decadal to multidecadal timescales, the Pacific Decadal Oscillation (PDO), the Atlantic Multidecadal Oscillation, and the Atlantic tripole mode determine the variability of rainfall over India (Sen Roy et al., 2003; Lu et al., 2006; Zhang and Delworth, 2006; Li et al., 2008; Sen Roy, 2011; Krishnamurthy and Krishnamurthy, 2014a, 2014b, 2016b).

Specifically, they want to find out if neutrino oscillations occur over short distances (less than 65 feet).

Over the last six centuries that variability correlates with components of the Atlantic climate system such as the North Atlantic Oscillation (NAO) and Atlantic Multi-decadal Oscillation (AMO).

Over the last 30 years of direct satellite observation of the Earth's climate, many natural influences including orbital variations, solar and volcanic activity, and oceanic conditions like El Nino (ENSO) and the Pacific Decadal Oscillation (PDO) have either had no effect or promoted cooling conditions.

Again the difficulty lies in detecting small exoplanets at far orbits, since giant exoplanets and close orbits exert much larger gravitational pulls over the star and create easily visible oscillations.