Sentences with phrase «atmospheric conditions at»

The weather and atmospheric conditions at high altitudes mean that less mosquitos and flies are likely to thrive there and spread disease from trash.
All the above is not to say that CR have no effect on atmospheric conditions at all, for certain regions, principally at high latitudes and altitudes, there is an effect, however, averaged over the Globe their effect is very small.
Weather is the atmospheric conditions at a certain place at a certain point in time.
The equator is an idealized boundary; the ITCZ is a real physical boundary as defined by atmospheric conditions at any time.
Weather is the total of the atmospheric conditions at any given moment.
Although the excellent atmospheric conditions at Paranal are one of the reasons why the site was chosen, one can not always rely on the weather.
Then they slowly pumped air out of the box, simulating the atmospheric conditions at higher and higher altitudes.

Not exact matches

It will need to study atmospheric and ocean conditions, move around sea beds, and hover at or below the surface.
«Volcanic aerosols in the stratosphere absorb infrared radiation, thereby heating up the stratosphere, and changing the wind conditions subsequently,» said Dr. Matthew Toohey, atmospheric scientist at GEOMAR Helmholtz Centre for Ocean Research Kiel.
People have been fascinated with weather forecasting at least dating back to the ancient Babylonians, who tried to use cloud formations and other atmospheric conditions to predict short - term weather changes.
The team started by looking at the formation of the very small particles — a process called aerosol nucleation — by mimicking atmospheric conditions inside an ultraclean steel «cloud chamber», which Kirkby says is the cleanest ever created.
Since climate in a specific region is affected by the rest of Earth, atmospheric conditions such as temperature and moisture at the region's boundary are estimated by using other sources such as GCMs or reanalysis data.
Because Mars» atmospheric pressure at ground level is comparable to that of Earth's atmosphere at 100,000 feet — a mere 1.4 percent of Earth's air pressure at sea level — an aircraft that can fly in such conditions will help engineers learn how to design aircraft to roam Martian skies.
At the same time the lifetime of atmospheric ozone is short due to the exceptionally warm and moist conditions in the tropical West Pacific.
«When we look at this critical assembly protein, CGL71, it's as if we are looking back in time to the era when photosynthetic apparatus had to gradually adjust to the changing atmospheric conditions of our planet,» Grossman said.
He and Abordo, a mathematics major at the time, jumped at the chance to study how plants adjust their stomata in response to different atmospheric conditions.
Francesco Panerai of Analytical Mechanical Associates Inc., a materials scientist leading a series of X-ray experiments at Berkeley Lab for NASA Ames Research Center, discusses a 3 - D visualization (shown on screens) of a heat shield material's microscopic structure in simulated spacecraft atmospheric entry conditions.
Scientists at the Department of Energy's Lawrence Berkeley National Laboratory (Berkeley Lab) and NASA are using X-rays to explore, via 3 - D visualizations, how the microscopic structures of spacecraft heat shield and parachute materials survive extreme temperatures and pressures, including simulated atmospheric entry conditions on Mars.
NASA Ames Research Center (NASA ARC) in California's Silicon Valley has traditionally used extreme heat tests at its Arc Jet Complex to simulate atmospheric entry conditions.
Despite fresh worries about a new meltdown at the Fukushima Daiichi complex in Japan, the steam that set off this concern is merely a result of atmospheric conditions — and a reactor that is still hot from having melted down in 2011.
You can't repeat the experiment because you'll never have the same atmospheric conditions again,» says Katja Friedrich, an atmospheric scientist at the University of Colorado in Boulder.
At sea level, at a temperature of 21 degrees Celsius (70 degrees Fahrenheit) and under normal atmospheric conditions, the speed of sound is 344 m / s (1238 km / h or 770 mphAt sea level, at a temperature of 21 degrees Celsius (70 degrees Fahrenheit) and under normal atmospheric conditions, the speed of sound is 344 m / s (1238 km / h or 770 mphat a temperature of 21 degrees Celsius (70 degrees Fahrenheit) and under normal atmospheric conditions, the speed of sound is 344 m / s (1238 km / h or 770 mph).
Whereas the South Pole remains protected by differing geographic, atmospheric and oceanic conditions, the North Pole is undergoing rapid change not seen in at least 6,000 years and perhaps as much as 125,000 years, and which may spread to lower latitudes.
Because atmospheric conditions such as wind and temperature can greatly affect particulate - matter measurements, researchers from EPIC - India and the Evidence for Policy Design initiative at Harvard University in Cambridge, Massachusetts, gathered data from air - quality monitors in New Delhi and placed monitors in three adjacent cities as a control.
«Changes in ocean conditions that affect fish stocks, such as temperature and oxygen concentration, are strongly related to atmospheric warming and carbon emissions,» said author Thomas Frölicher, principal investigator at the Nippon Foundation - Nereus Program and senior scientist at ETH Zürich.
The researchers looked at the historical atmospheric observations to document the conditions under which extreme weather patterns form and persist.
«Novel plasma jet offshoot phenomenon explains blue atmospheric jets: Physicists identify mysterious right - angle side - jet occurring off the plasma arc in air at ambient pressure conditions
To simulate the interplay of global climate with regional pollution conditions, the scientists turned to two of the world's leading atmospheric models, both based at NCAR and developed through broad collaborations with the atmospheric science community.
His job, and that of any forensic meteorologist, is to reconstruct the weather conditions that occurred at a specific time and location in question by retrieving and analyzing archived atmospheric data and re-creating a time line of meteorological events.
«We grew teosinte in the conditions that it encountered 10,000 years ago during the early Holocene period: temperatures 2 - 3 degrees Celsius cooler than today's with atmospheric carbon dioxide levels at around 260 parts per million,» said Dolores Piperno, senior scientist and curator of archaeobotany and South American archaeology at the Smithsonian's National Museum of Natural History and the Smithsonian Tropical Research Institute, who led the project.
This site provides the exceptionally dry atmospheric conditions necessary for astronomical observations at millimeter and submillimeter wavelengths (wavelengths between the radio and far - infrared spectral regions).
At supersaturated atmospheric conditions, bare and coated particles had a nearly equivalent predisposition for nucleating ice.
Researchers reconstructing ancient climates delve into the mineral for a record of temperature and atmospheric composition, environmental conditions and the state of the ocean at the time those minerals formed.
The partial phase will begin at about 7:53 pm making the moon appear red or black depending on atmospheric conditions, as the moon travels into the shadow of Earth.
Now, scientists at Rensselaer are turning these atmospheric assumptions on their heads with findings that prove the conditions on early Earth were simply not conducive to the formation of this type of atmosphere, but rather to an atmosphere dominated by the more oxygen - rich compounds found within our current atmosphere — including water, carbon dioxide, and sulfur dioxide.
Scientists in the New York Center for Astrobiology at Rensselaer Polytechnic Institute have used the oldest minerals on Earth to reconstruct the atmospheric conditions present on Earth very soon after its birth.
«As a reference in our research [for the animated globes], we looked at... [nebulae], Northern Lights and various atmospheric types of conditions,» says Lincoln Digital Experience Design Manager Craig Sandvig.
In theory, early mornings are far from ideal in terms of track conditions but the atmospheric pressure at that time of day is conducive to getting the best possible performance out of the engine.
To put this another way, in cruise conditions the intake system is now posing less than zero restriction, and even at maximum flow, the throttle is seeing 99.5 per cent of atmospheric pressure.
In Gallery II, a large, wall - based sculpture of colorful ceramic disks on rotating arms titled, THIS ONE GOES OUT ACROSS THE SEMAPHORE SPECTRUM, simultaneously takes form as a double solar system model or an antiquated signal device used to communicate turbulent atmospheric conditions to pilots in air or at sea.
This is the limit at which twilight illumination is sufficient, under good weather conditions, for terrestrial objects to be clearly distinguished; at the beginning of morning civil twilight, or end of evening civil twilight, the horizon is clearly defined and the brightest stars are visible under good atmospheric conditions in the absence of moonlight or other illumination.
At first glance, they could be riffs on monochome painting, except that the atmospheric conditions relate to rust, chrome, smog and asphalt.
The choice of works is very deliberate with the exhibition broken down into seven themes: Beauty, Power and Space, which looks at each artist's engagement with the sublime, a theme central to English Romantic art but which survived through the modernist movement and is a key feature of Twombly's paintings; Atmosphere, which considers the ways in which the three artists paint land and sea through a filter of atmospheric conditions; Naught so Sweet as Melancholy, named after a phrase in Robert Burton's Anatomy of Melancholy, where the theme of loss and memorialisation are central concerns; The Seasons which reflects upon the passage of time; Fire and Water where all three artists evince the power of the elements; The Vital Force which brings together works of a sensual or erotic nature; and finally A Floating World where each artist contemplates mortality and external events that impact on their lives.
But with atmospheric carbon climbing at an annual rate of 2 ppm and expected to accelerate to 3 ppm, levels could approach 900 ppm by the end of the next century, and conditions that bring about the beginnings of ocean anoxia may be in place.
When GCMs are used to model atmospheric conditions and spatial grid size is reduced is there a scale at which chaotic conditions prevail and make modeling difficult in the same way that weather is harder to model than climate?
In Kiehl and Trenberth 1997, they find a 155 W / m2 total greenhouse effect for approximately present - day Earth conditions (among the approximations: surface is a perfect (isothermal **) blackbody, and the use a representative 1 - dimensional atmospheric column (instead of seperate calculations for each location over the globe at each time over the course of a period of time sufficient to describe a climatic state — but note righthand side of p. 200, just past halfway down the column)... a few other things).
Some other sea ice scientists (Jennifer Francis at Rutgers and Ignatius Rigor at the University of Washington) told me they are not ready to call it a season, noting that atmospheric pressure and some other conditions over the basin could lead to further shrinkage of ice extent in the next week or so.
Meanwhile, experiments aimed at helping corals adapt to changing conditions are under way, such as one that proposes shading to help some coral species recover after bleaching or disease.11 Perhaps the biggest help of all would be lowering atmospheric carbon dioxide below 2010 levels.
3 A) CLIMATE VS. WEATHER Climate is the weather pattern in one place over a long period of time Weather is the current atmospheric conditions, including temperature, rainfall, wind, and humidity at a given place
John Carter August 8, 2014 at 12:58 am chooses to state his position on the greenhouse effect in the following 134 word sentence: «But given the [1] basics of the greenhouse effect, the fact that with just a very small percentage of greenhouse gas molecules in the air this effect keeps the earth about 55 - 60 degrees warmer than it would otherwise be, and the fact that through easily recognizable if [2] inadvertent growing patterns we have at this point probably at least [3] doubled the total collective amount in heat absorption and re-radiation capacity of long lived atmospheric greenhouse gases (nearly doubling total that of the [4] leading one, carbon dioxide, in the modern era), to [5] levels not collectively seen on earth in several million years — levels that well predated the present ice age and extensive earth surface ice conditions — it goes [6] against basic physics and basic geologic science to not be «predisposed» to the idea that this would ultimately impact climate.»
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