Sentences with phrase «on decades of observation»

Not exact matches

Based on my own observations from more than two decades in the field of business brokerage and mergers and acquisitions, many small businesses that survived the economic downtown are now seeing renewed strength in their top - line revenues, and solid or growing bottom - lines.

These general observations on the universal dilemma is not a wonder or thunder of a day but a simmering trend slowly hotting up, with lucent forces of life and darker forces of death clashing over the decades.

Thus the annual Human Rights Report of the U.S. State Department, mute the previous decade on discrimination and the occasional acts of violence against Christians, included in its January 1990 report the observation that «Christians have had difficulty in getting permission to build new churches» and that «Christians complain that there are barriers to Christians rising to high positions in public service, public corporations, universities and the military.»

Three extreme weather events in the Amazon Basin in the last decade are giving scientists an opportunity to make observations that will allow them to predict the impacts of climate change and deforestation on some of the most important ecological processes and ecosystem services of the Amazon River wetlands.

When the ban on human dissections was lifted for a few decades, a doctor named Herophilus opened up hundreds of bodies and made detailed observations, all of which were lost when fire destroyed the famed Library of Alexandria.

The team initially focused on Cape Cod — the biggest hot spot in the United States — and sifted through nearly two decades of IFAW stranding observations alongside both ground - and space - based NASA space weather data.

AT (N) nomenclature represents a conceptual framework that is based on the past decade's observations of relationships between markers of amyloid, tau, and neurodegeneration.

«Our primary question is how the Amundsen Sea sector of West Antarctica will contribute to sea level rise in the future, particularly following our observations of massive changes in the area over the last two decades,» said UCI's Bernd Scheuchl, lead author on the first of the two studies, published in the journal Geophysical Research Letters in August.

«Our observation of gravitational waves accomplishes an ambitious goal set out over 5 decades ago to directly detect this elusive phenomenon and better understand the universe, and, fittingly, fulfills Einstein's legacy on the 100th anniversary of his general theory of relativity,» says Caltech's David H. Reitze, executive director of the LIGO Laboratory.

Decades of research and clinical observations have established that declarative memory, the ability to remember recently experienced facts and events, depends on the hippocampus and associated structures in the medial temporal lobe, including the entorhinal, perirhinal, and parahippocampal cortexes.1

If bighead and silver carp were to establish in Lake Erie, local fish biomass is not likely to change beyond observations recorded in the last three decades, according to a study published in the journal Conservation Biology on Thursday (Aug. 6) by a group of scientists from the University of Notre Dame, Resources for the Future, U.S. Forest Service, University of Michigan and the NOAA Great Lakes Environmental Laboratory.

MAUNA KEA, Hawaii — An international team of researchers analyzing decades of observations from many facilities — including the W. M. Keck Observatory on Mauna Kea, the Pan-STARRS1 telescope on Haleakala and NASA's Swift satellite — has discovered what appears to be a black hole booted from its host galaxy.

In another recent paper, Clement et al. (2009) analyzed several decades of ship - based observations of cloud cover along with more recent satellite observations, with a focus on the northeastern Pacific.

Over the last decade, I have been dedicating myself to the cellular and molecular background of the observation I made in 2004, that the cephalic neural crest (CNC), exerts an autonomous and prominent control on forebrain development.

Depending on the time of the observation correction approach chosen, the resulting temperature trends between 1979 and 2016 ranged from as low as 0.13 C per decade to as high as 0.22 C per decade.

This implies that large - scale observations — for example, of global mean sea - level change or of the change mass of the Antarctic ice sheet — will not on their own significantly narrow the range of late - century sea - level projections for decades to come.

«Our observation of gravitational waves accomplishes an ambitious goal set out over five decades ago to directly detect this elusive phenomenon and better understand the universe, and, fittingly, fulfills Einstein's legacy on the 100th anniversary of his general theory of relativity,» says Caltech's David H. Reitze, executive director of the LIGO Laboratory.

Building on past observations of the white dwarf called SDSSJ1043 +0855 (the dead core of a star that originally was a few times the mass of the Sun), which has been known to be gobbling up rocky material in its orbit for almost a decade, the team used Keck Observatory's HIRES instrument fitted to the 10 - meter Keck I telescope as well as data from the Hubble Space Telescope to measure and characterize the material being accreted by the star.

Based on observations of the previous storms decades ago it was suspected that the storms may dredge up gas that is of different composition than the molecular hydrogen that dominates Saturn's upper atmosphere.

One of the most exciting scientific observations in decades is that eating the right food, with a focus on fruits and vegetables, can have a positive...

After decades of relying on often - perfunctory classroom observations to assess teacher performance, districts from Washington, D.C., to Los Angeles now evaluate many of their teachers based in part on VA measures and, in some cases, use these measures as a basis for differences in compensation.

Despite decades inside schools, Elmore himself has never taught in the K — 12 system, but derives his ideas from research, interviews, observations, and reflection on the day - to - day life of schools.

A decade ago, the art historian James Elkins published On the Strange Place of Religion in Contemporary Art, a book that offered a highly suggestive observation.

Heavily influenced by Italian Renaissance masters such as Leonardo da Vinci, Panzera has spent many decades building a body of work based on careful observation.

Over the past four decades, Apostolos Georgiou lived in reclusion to focus on painting and drawing, his works are inspired by everyday observations from life, replete of tension, these works depict the scenarios of conflict, anxiety or absurdity.

Right, and based on past observations (see Dalton, Maunder, Spoerer, etc. minima), the relationship of planetary orbits to periods of increased or decreased solar output, and the recent geometry of the various planets, and the solar barycenter, odds are pretty good that we're due for a decade or more period of reduced solar output.

A 2007 NASA sponsored satellite - based study sheds light on the puzzling observations by other scientists that the amount of sunlight reaching Earth's surface had been steadily declining in recent decades, began to reverse around 1990.

Pursuing this last point, it is clear that in the coming few decades we are going to be continually confronted with observations of trends or events of just this type — relatively short records; much larger magnitudes than our models suggest — raising the question of whether, on the one hand, models / theories are underestimating the rapidity of the response or missing something fundamental or, conversely, whether it is internal variability.

I hope to be completely wrong, but my observation of world politics, the UN in particular, over the past several decades, is that just when you are certain that the Intergovernmental Panel on Chicken Chit has finaly died, it will be reborn as the World Wide Focus on Poultry Excrement (WWF - PE) and it will take ten years before anyone realizes that its all the same people just with different titles and brand new evidence much stronger than the previous evidence because they have learned from their mistakes.

Third, because the maximum warming lags emissions of carbons by about a decade, budgets based on ESMs (or combined observations / ESMs) do not fully account for emissions over the final decade before the 1.5 C threshold is exceeded.

Which is another topic I have commented on, when some made the observation that once oil is exhausted, it will be hundreds of millions of years before any more is available... but I pointed out that some wells capped a few decades ago are already able to produce again... and some wells seem to recharge as fast as the oil is pumped out.

Fernando, the right question on the significance of the hiatus is to ask is to what extent a single decade's observations constrain or bound climate sensitivity.

Sylvain, one of the main challenges of verifying climate models on a time scale of 1 - 2 decades is that natural forcing (solar and volcanic) is unknown plus the decadal ocean cycles are not deterministic and will not be simulated in a way that matches observations unless a very large ensemble is used.

Finds that observations over the past decade continue to support the finding that the area experiencing much above - normal maximum and minimum temperatures in recent years has been on the rise, with infrequent occurrence of much below - normal mean maximum and minimum temperatures

So, Thoman says, the sea - ice uptick is more of a statistical hiccup than a departure from this winter's consistently below - average Arctic sea - ice cover, based on more than three decades of observations.

Look on the bright side, in a couple of decades all your hypotheses will be completely obliterated from scientific observations and the angst will be gone and you will have seen the light.

There have been many studies aiming to test this hypothesis since AR4, 50 which fall in two categories: i) studies that seek to establish a causal relationship between cosmic rays and 51 aerosols / clouds by looking at correlations between the two quantities on timescales of days to decades, and 52 ii) studies that test through observations or modelling one of the physical mechanisms that have been put 53 forward.

There have been many studies aiming to test this hypothesis since AR4, which fall in two categories: i) studies that seek to establish a causal relationship between cosmic rays and aerosols / clouds by looking at correlations between the two quantities on timescales of days to decades, and studies that test through observations or modeling one of the physical mechanisms that have been put forward.

The relationships between the NAO and deep water production are discussed by R. Dickson, «Observations of DecCen climate variability in convection and water mass formation in the northern hemisphere,» in the CLIVAR Villefranche workshop summary at http://www.dkrz.de/clivar/villesum.html. More generally, see the Climate Research Committee, National Research Council, Natural Climate Variability on Decade - to - Century Time Scales (National Academy Press 1995).

Again you may go back to scientific papers of past decades when the issue of land based observations was studied by the scientists as there was not yet much knowledge on the suitability of the available data for calculating averages of the temperature change.

Scientists have high confidence about global temperature trends over recent decades because those observations are based on a massive amount of data.

According to AGW theory and IPCC claims, warming should be steadily accelerating... Actually this is formally falsified by observations showing quite a constant back - ground trend of +0.05 °C per decade, on top of which cooling and warming periods are alternating.

Using a dataset of long - term (1958 — 2009) observations on 1,680 permanent sample plots from undisturbed natural forests in western Canada, we found that tree demographic rates have changed markedly over the last five decades.

For the first six decades to 1720 the figures are printed in italics as an indication that they must be considered less reliable, based as they are on extrapolation from the results of readings of highly imperfect instruments in uncertain exposures at a considerable distance, generally in south - east England; or on estimates based on interpretations of daily observations of wind and weather.

It presently is not possible to place exact probabilities on the added contribution of climate change to extinction, but the observations noted above indicate substantial risk that impacts from climate change could, within just a few decades, drop the populations in many species below sustainable levels, which in turn would commit the species to extinction.

«So we are very reluctant,» she said, «to make projections into the future» based on only two or three decades of observations.

A homogeneous monthly data set of sea surface temperature (SST) and pseudo wind stress based on in situ observations is used to investigate the climatic trends over the tropical Atlantic during the last five decades (1964 — 2012).

None of these could have been caused by an increase in atmospheric CO2, Model projections of warming during recent decades have greatly exceeded what has been observed, The modelling community has openly acknowledged that the ability of existing models to simulate past climates is due to numerous arbitrary tuning adjustments, Observations show no statistically valid trends in flooding or drought, and no meaningful acceleration whatsoever of pre-existing long term sea level rise (about 6 inches per century) worldwide, Current carbon dioxide levels, around 400 parts per million are still very small compared to the averages over geological history, when thousands of parts per million prevailed, and when life flourished on land and in the oceans.

I value Nick's practical perspectives for two reasons: [1] they are grounded in his astute observations based on decades of hands - on experience of working in and with law firms, and [2] in using How in the subtitle for Remaking Law Firms: Why & How, Imme Kaschner and I focused on the practicalities of what needs to change in the BigLaw business model.

His ability comes from decades of scientific observation, resulting in Dr. Gottman being the author on marriage most often quoted by other authors on marriage.