Sentences with phrase «day length»
Specifically, the second based on year length and atomic resonance is shorter than the second based on day length.
discovermagazine.com
The short and long of adolescent sleep: the unique impact of day length.
Cat reproduction is controlled by day length and is strongly seasonal.
Similarly, day length at different times of the year in different latitudes will impact the need for electric lighting.
Wild birds need 4 things to lay: the right season (most often associated with day length), a mate, a nest, and a safe «adequate» environment.
The researchers controlled for variables like day length and weather, which they say confirms that the 8 percent rise in depression diagnoses was not a coincidence.
To avoid tragedy, families should consider the effects of increased day length, temperatures, and snacks - after - the - barbecue on the family pet.
In order to anticipate future temperature, the mosquitoes monitor day length.
Genes with mammoth - specific changes were most strongly linked to fat metabolism (including brown fat regulation), insulin signaling, skin and hair development (including genes associated with lighter hair color), temperature sensation and circadian clock biology — all of which would have been important for adapting to the extreme cold and dramatic seasonal variations in day length in the Arctic.
Objectives Covered: Observe changes across the 4 seasons Observe and describe weather associated with the seasons and how day length varies ALSO ADDED: Individual assessments for ALL science objectives for ALL year groups are available for purchase as are individual year group, KS1, KS2 or complete Primary packs.
Some bird species augment day length cues for migrating and / or breeding with other cues, like temperature changes, which are probably also processed in their brains.
Cultivating a disregard for day length enabled humans to introduce tomatoes to the Mediterranean region.
Dogs with cyclic flank alopecia usually develop signs seasonally during periods of decreasing day length.
Bus schedules need to be considered if school day length changes, more dollars for staff for supervision in the cafeteria for longer meals periods, class schedule changes if the cafeteria is a multi-purpose room... there can be quite a domino effect involved.
For many plants, the cue is a sustained warming trend, but day length also factors into the dormancy equation.
«We artificially try to control and synchronize flowering by altering day length.
In regions with suboptimal weather for solar charging, or in seasons with short day length, the Nomad 7 might take two full days or more to charge the Venture 30.
Similarly, the standard 24 - hour day is slightly shorter than day length as determined by the rate at which Earth turns on its axis.
Scientists have linked the periodic changes in our planet's rotation rate (which determines day length) to various factors, such as tides and interactions between Earth's inner layers, but a good deal of the variation remains unexplained.
Some sources state that because of their long growing season and need for long day length, the pubescens varieties are unsuitable for cultivation in the United States.
Like the currents, day length returned to normal on 20 November (Geophysical Research Letters, DOI: 10.1029 / 2011gl050671).
Even with GPS, predicting changes in day length remains as difficult as forecasting the weather.
That feeling may be psychological, but actual day length really does fluctuate — by a fraction of a millisecond.
Gross says that the most important processes affecting day length are changes in the weather, especially unusual variations in the strength and direction of the winds, which bring on alterations in the global circulation of the atmosphere and ocean.
Especially in October, November, and December, day length keeps decreasing.
Yan suspected this wandering could shift the distribution of ocean mass enough to brake Earth's spinning, thus slightly stretching day length.
Redefining the atomic second to conform to current day length «would alter the value of every physical measurement and render obsolete every instrument related to time,» write Beard and his coauthors in their review.
Chronobiologists have long known that seasonal changes in day length influence the biological rhythms of animals.
Countries at tropical latitudes enjoy warmer temperatures and longer, more constant day lengths, but it's not clear why their maternity wards are more «girl - rich», says Kristen Navara of the University of Georgia in Athens.
This latitude provides the ideal day length for chia to develop the highest levels of omega - 3 oils.
The group did their homework by preparing a position paper that soundly refuted the Mayor's careless misstatements and outright lies about the effectiveness of lengthening the school day and the facts about school day length around the US.
Add to that the mature indoor cat's typical lifestyle, where sheltered from temperature variations and changes in day length disrupts the natural seasonal cycle of fur growth.
Power: Hollow, Fast, Powerful, Ordinary, Fun Normal length: Normal (50 to 150m) Good day length: Long (150 to 300 m) Starts working at: Less than 1m / 3ft Holds up to: 2.5 m + / 8ft + More details Week crowd: Few surfers Week - end crowd: Crowded Dangers Rips / undertow, Rocks, Sharks
As an example, migratory birds respond to cues present based on winter day length, while plants in their summer breeding grounds respond to local environmental cues like temperature.
That's a big energy consumption process, and we need to learn more to be able to predict how they'll cope with temperature and day length cues,» Lee says.
The University of Minnesota's Annie Bracey and her colleagues attached geolocators — small, harmless devices that record a bird's location over time based on day length — to 106 terns from breeding colonies in Manitoba, Ontario, Minnesota, Wisconsin, and New York.
For the most part, flowering happened when it normally would, as flowering tends to be controlled more by day length than temperature.
«Because climate change affects some environmental factors like precipitation and temperature but not others like day length, phenotypic plasticity could allow some species to persist in a habitat despite changing conditions and provide more time for them to evolve and migrate,» says co-author Zachariah Gezon, a Ph.D. student in Ecology and Evolutionary Biology at Dartmouth.
The spring powerpoint covers objectives in the Y1 science curriculum, looking at the season of spring and how the weather and day length varies.
If you are not patient enough, you can use Cheat Engine to manipulate memory locations and alter day length, livestock, craft goods or expand your money.
Jupiter (in astronomy) The solar system's largest planet, it has the shortest day length (10 hours).
When that happens, the processes are reversed, and the rodents emerge from hibernation with a very healthy appetite and high energy, which are further stimulated by the increasing day lengths that occur in late winter and spring.
So, beginning in 1972, another international body agreed to add leap seconds to atomic time to create a civil timescale that was both uniform and consonant with day length.