Sentences with phrase «as changes in the frequency»

Today, evolution is defined as the change in the frequency of alleles in populations over time.

This metric was examined to identify global and regional patterns in fire weather season length changes as well as changes in the frequency of, and the area affected by, long fire weather seasons (defined as > 1.0 σ above historical mean) over the last 35 years.

Recent work (e.g., Hurrell 1995, 1996; Thompson and Wallace 1998; Corti et al., 1999) has suggested that the observed warming over the last few decades may be manifest as a change in frequency of these naturally preferred patterns (Chapters 2 and 7) and there is now considerable interest in testing the ability of climate models to simulate such weather regimes (Chapter 8) and to see whether the greenhouse gas forced runs suggest shifts in the residence time or transitions between such regimes on long time - scales.

If emission analyses consider empirical data reflecting the progressive degradation that occurs (often over decades) before and independently of agriculture market signals for land use, as well as changes in the frequency and extent of fire in areas that biofuels help bring into more stable market economies, then the resulting carbon emission estimates would be worlds apart.

Not exact matches

The main challenges in developing this application was the integration with multiple systems, some of which were legacy systems; and the update frequency of the application, as products and promotions had to be created on the go, prices change on a continuous basis and new products are added every hour.

BlackBerry's ability to manage inventory and asset risk; BlackBerry's reliance on suppliers of functional components for its products and risks relating to its supply chain; BlackBerry's ability to obtain rights to use software or components supplied by third parties; BlackBerry's ability to successfully maintain and enhance its brand; risks related to government regulations, including regulations relating to encryption technology; BlackBerry's ability to continue to adapt to recent board and management changes and headcount reductions; reliance on strategic alliances with third - party network infrastructure developers, software platform vendors and service platform vendors; BlackBerry's reliance on third - party manufacturers; potential defects and vulnerabilities in BlackBerry's products; risks related to litigation, including litigation claims arising from BlackBerry's practice of providing forward - looking guidance; potential charges relating to the impairment of intangible assets recorded on BlackBerry's balance sheet; risks as a result of actions of activist shareholders; government regulation of wireless spectrum and radio frequencies; risks related to economic and geopolitical conditions; risks associated with acquisitions; foreign exchange risks; and difficulties in forecasting BlackBerry's financial results given the rapid technological changes, evolving industry standards, intense competition and short product life cycles that characterize the wireless communications industry, and the company's previously disclosed review of strategic alternatives.

Many factors could cause BlackBerry's actual results, performance or achievements to differ materially from those expressed or implied by the forward - looking statements, including, without limitation: BlackBerry's ability to enhance its current products and services, or develop new products and services in a timely manner or at competitive prices, including risks related to new product introductions; risks related to BlackBerry's ability to mitigate the impact of the anticipated decline in BlackBerry's infrastructure access fees on its consolidated revenue by developing an integrated services and software offering; intense competition, rapid change and significant strategic alliances within BlackBerry's industry; BlackBerry's reliance on carrier partners and distributors; risks associated with BlackBerry's foreign operations, including risks related to recent political and economic developments in Venezuela and the impact of foreign currency restrictions; risks relating to network disruptions and other business interruptions, including costs, potential liabilities, lost revenues and reputational damage associated with service interruptions; risks related to BlackBerry's ability to implement and to realize the anticipated benefits of its CORE program; BlackBerry's ability to maintain or increase its cash balance; security risks; BlackBerry's ability to attract and retain key personnel; risks related to intellectual property rights; BlackBerry's ability to expand and manage BlackBerry ® World ™; risks related to the collection, storage, transmission, use and disclosure of confidential and personal information; BlackBerry's ability to manage inventory and asset risk; BlackBerry's reliance on suppliers of functional components for its products and risks relating to its supply chain; BlackBerry's ability to obtain rights to use software or components supplied by third parties; BlackBerry's ability to successfully maintain and enhance its brand; risks related to government regulations, including regulations relating to encryption technology; BlackBerry's ability to continue to adapt to recent board and management changes and headcount reductions; reliance on strategic alliances with third - party network infrastructure developers, software platform vendors and service platform vendors; BlackBerry's reliance on third - party manufacturers; potential defects and vulnerabilities in BlackBerry's products; risks related to litigation, including litigation claims arising from BlackBerry's practice of providing forward - looking guidance; potential charges relating to the impairment of intangible assets recorded on BlackBerry's balance sheet; risks as a result of actions of activist shareholders; government regulation of wireless spectrum and radio frequencies; risks related to economic and geopolitical conditions; risks associated with acquisitions; foreign exchange risks; and difficulties in forecasting BlackBerry's financial results given the rapid technological changes, evolving industry standards, intense competition and short product life cycles that characterize the wireless communications industry.

As a result of changes adopted by the NYSE to its broker voting rules, including changes mandated by the Dodd - Frank Act in connection with stockholder votes on executive compensation matters, the NYSE does not consider the election of directors (Item 1), the advisory resolution regarding named executives» compensation (Item 2), and the advisory proposal on the frequency of future advisory votes regarding named executives» compensation (Item 3) to be routine.

Evolution the fact is defined as a change in allele frequency in a population over time.

If there are any changes to the amount, date or frequency of your Direct Debit, Motor Sport Magazine will notify you 10 working days in advance of your account being debited or as otherwise agreed.

As you introduce solid foods and cereals in the diet of a baby you will notice the dramatic change in frequency, consistency, odor and color of bowel movements.

In general, asthma is thought to be a lifelong condition, although the frequency and severity of symptoms may change as your baby grows.

After days of diaper changes, it appears as though your baby's poop color and poop frequency is in the range where it needs to be.

The color, texture, and odor of newborn poop is not only different from what you're used to, but can seem to change — in frequency, hue, and consistency — as often as your post-baby moods.

At six months, in addition to breastmilk, complementary foods with increased feeding frequency and changes in food consistency, quantity, and diversity as the child ages.

Most healthy adults experience diarrhea or constipation at some point, but a consistent change in your normal bowel habits (such as color, frequency, or consistency) should be discussed with your physician.

The copied whistles changed frequency in the same way as real signature whistles, but either started from a higher frequency or didn't last as long, suggesting Dave was not merely imitating Alan.

«We conclude that coastal communities are facing a looming crisis due to climate change related sea - level rise, one that will manifest itself as increased frequency of Sandy - like inundation disasters in the coming decades along the mid-Atlantic and elsewhere, from storms with less intensity and lower storm surge than Sandy,» Sweet said.

«We saw strong changes in the electromagnetic wave frequency while they were interacting with the electrons and strong changes in the electrons» activity as well,» Konstantinov said.

Scientists in northern Spain tracking populations of Drosophila subobscura, a type of fly, observed reversible changes in the frequency of genetic mutations, or «chromosomal inversions» in the flies» genomes — essentially, parts of the chromosome get flipped around with the seasons, as the weather changes from hot to cold.

Rainstorms increased in frequency over the study period, and the authors suggest that this, as well as the synchronization between rainstorms and chick vulnerable periods, is likely to increase with climate change.

As a result, their findings identified a greater sensitivity to changes in the underlying frequency of flooding.

As climate change is increasing the duration, frequency and severity of extreme weather events, it has become increasingly urgent to identify their effects and provide early warnings, in order to ensure market stability and global food security.

As the climate changes, studies have pointed to the idea that dry spells increase in frequency and wet spells increase in intensity, although there is not a consensus about what will happen to the Indian monsoon, Singh said.

The study refutes the notion that climate change will increase the frequency of civil war in Africa as a result of food scarcity triggered by rising temperatures and drought.

As smoking habits have changed, the pressure to weed out the allele has ceased, and its frequency is unchanged in younger men, Pickrell explains.

Because alleles carry neighboring DNA with them as they circulate, the number of singletons on nearby DNA can be used as a rough molecular clock, indicating how quickly that allele has changed in frequency.

In this new, unbiased, «trend - in - trend» design, researchers monitor changes in frequency of outcomes as they relate to changes in an exposure to a drug across groups that adopt the drug at different rateIn this new, unbiased, «trend - in - trend» design, researchers monitor changes in frequency of outcomes as they relate to changes in an exposure to a drug across groups that adopt the drug at different ratein - trend» design, researchers monitor changes in frequency of outcomes as they relate to changes in an exposure to a drug across groups that adopt the drug at different ratein frequency of outcomes as they relate to changes in an exposure to a drug across groups that adopt the drug at different ratein an exposure to a drug across groups that adopt the drug at different rates.

A spectrogram is a graphic representation of the frequencies of the voice spectrum, as they change in time while a word or sound is produced.

Second, they use a new technique developed in the group to allow the coherent detection of an rf field with a changing frequency - as is used, for example, in an FM radio broadcast.

«As for barley, the dehydrin genes seem to be very plastic, some of them changing at a high frequency over generations, and we intend to look into this plasticity in more detail now that we have the genome knowledge that we lacked before.

By aiming at the atoms from opposite directions simultaneously, the laser arrangement cancels a major source of measurement error — the Doppler shift, or the change in the atoms» apparent resonant frequency as they interact and move with the laser light.

In collaboration with doctoral candidate Paul Phamduy and NYU - Poly research scholar Giovanni Polverino, Porfiri designed an experiment to examine the interplay of visual cues and flow cues — changes in the water current as a result of tail - beat frequency — in triggering a live golden shiner fish to either approach or ignore a robotic fisIn collaboration with doctoral candidate Paul Phamduy and NYU - Poly research scholar Giovanni Polverino, Porfiri designed an experiment to examine the interplay of visual cues and flow cues — changes in the water current as a result of tail - beat frequency — in triggering a live golden shiner fish to either approach or ignore a robotic fisin the water current as a result of tail - beat frequency — in triggering a live golden shiner fish to either approach or ignore a robotic fisin triggering a live golden shiner fish to either approach or ignore a robotic fish.

By affecting both feeding and breeding behavior, the researchers say, the changes in call frequency can create new species as effectively as any physical barrier.

Some of the effects are related to erosional processes such as a decrease in sediment supply, changes in the intensity and frequency of extreme events (storms and cyclones, among others), and changes in sea levels and in the wave climate.

They caution that additional research is needed to track changes in fitness and brain structure over time, as well as clarify the impact of specific exercise programs (such as strength, aerobic or combined training) or dose of exercise (frequency, intensity, duration) on white matter microstructure.

This means that even relatively small marine - protected areas could be effective in protecting the top - level predators and allowing coral reefs to more fully recover from coral bleaching or large cyclones which are increasing in frequency due to the warming of the oceans as a result of climate change.

Leveraging this Doppler shift — the change in the frequency observed by the transmitter and the receiver as disturbed waves move relative to those locations — the researchers designed the WiSee receiver to understand signal disturbances created by different motions of a person's arm, leg or entire body.

They point to direct effects resulting from rising temperatures and changes in the frequency and strength of storms, floods, droughts, and heat - waves — as well as to less direct impacts, such as changes in crop yields, the burden and distribution of infectious disease, and climate - induced population displacement and violent conflict.

However, in a subsequent analysis based on version 3 of the Hadley Model (HadCM3), Collins found that he could not detect a change in magnitude or frequency of ENSO as greenhouse gases increased, thus contradicting the results of his earlier study.

Daniel Swain and colleagues model how the frequency of these rapid, year - to - year transitions from extreme dry to wet conditions — which they dub «precipitation whiplash events» — may change in California's future as a consequence of man - made warming.

That is a situation that may well change as the climate warms further, in particular with an increase in the frequency of extreme weather, such as droughts, the authors note.

There is increasing concern that extreme events may be changing in frequency and intensity as a result of human influences on climate.

Second, we examined the change in frequency of occurrence of unusually hot, dry or windy conditions by comparing the number of years that maximum temperature, rain - free days or wind speed was > 1 s.d. above the mean or when minimum relative humidity was < 1 s.d. from the mean in 1996 — 2013, as compared with the number of similar events observed in 1979 — 1996.

indirect effect A secondary impact to a system from a change that was caused by shifting climate conditions, such as increased fire frequency, which is a result of drier conditions caused by an increase in temperature.

Specifically, in this series of works it is demonstrated that the behavioral response of zebrafish individuals and small shoals varies as the aspect ratio, color pattern, and tail - beat frequency of a robotic fish is changed.

Human behavioral changes, such as installing solar panels or investing in public transportation, alter greenhouse gas emissions, which change the global temperature and thus the frequency of extreme events, leading to new behaviors, and the cycle continues.

For this application the frequency stability of the etalon is critical, as its transmission spectrum is susceptible to frequency fluctuations due to changes in cavity temperature, optical power and input polarization.

The study tracked changes in the sun by looking at previous solar cycles of change, such as Cycle 22 which lasted from the years 1986 to 1996, and found that the oscillation frequencies were confined to a thinner layer than those previous cycles.

Changes in the frequency and magnitude of climate extremes, of both moisture and temperature, are affected by climate trends as well as changing variability.