Sentences with phrase «winds at altitude»

The winds at altitude would disperse the particles very quickly.

Winds at an altitude of 30,000 feet carry 20 times as much energy as those near the ground, representing a source of power that could be a fraction of the cost of coal.

When we talk of extracting wind energy, it's mainly from wind at an altitude of about 100 metres.

During the first period the stratospheric polar vortex, a system of strong westerly winds at altitudes 10 - 50 km, is projected to weaken, and this weakening slows down westerly winds all the way down to the surface, cancelling out the effect of the increasing temperature difference between the Tropics and the Pole», explains researcher Alexey Karpechko from FMI.

Not exact matches

A member of the brassica family, maca is grown at altitudes of 14,000 feet in an extreme climate of freezing cold, fierce winds and intense sunlight, where no other crops can survive.

The report by the National Transportation Safety Board said the unidentified camper watched the plane struggle at an altitude of about 11,500 feet against strong winds.

The benefits of height are the powerful and more consistent winds found at high altitude.

Those high - altitude winds zip along at more than 300 miles per hour and generate electrical currents that surround the Earth.

Wind speed rises with altitude, and available power rises at the cube of wind spWind speed rises with altitude, and available power rises at the cube of wind spwind speed.

Over several sleepless nights he calculated how much power a wind turbine at altitude could gather.

«Finding a resource so large is like finding an oil field in your garden,» says Cristina Archer, an environmental engineer at the University of California, Chico, and lead author of a global survey on high - altitude winds.

We know that there need to be certain conditions of temperature, relative humidity, and wind speeds at different altitudes.

Early results show Titan's high - altitude winds bluster westerly at 250 miles per hour.

According to Archer and Jacobson's bottom - up estimates, which unlike Kleidon's are based on actual measurements of wind speeds, there is 1700 TW of wind power at an altitude of 100 metres over land and sea.

Forecasting — uses weather models (i.e., Doppler radar) to predict wind speeds and patterns at various altitudes.

Still, at altitudes above roughly 80 kilometers (50 miles) lunar tides have been detected in winds, temperature, airglow emissions and a number of ionospheric parameters.

Planes were flown directly into the Greenland jet, collecting real - time information on its structure, the wind speeds at different altitudes, and the interactions between the jet and sea surface.

According to the study, appearing in Nature Communications, the temperature drop in the Arctic and in the mid-latitudes of the northern hemisphere weakened strong winds at high altitudes over Africa, the so - called Tropical Easterly Jet.

But this «wall of wind» is a weaker feature at lower altitudes so volcanic aerosol was able to penetrate at altitudes below 13 kilometres.

Material from both eruptions was unable to penetrate the Antarctic stratosphere at high altitudes last year because the eruptions occurred after the establishment of the winter vortex of circumpolar winds, which cuts off the upper stratosphere above Antarctica.

Scientific balloons have already flown at much higher altitudes, but they must follow the wind, Austin adds, whereas a pilot can steer and circle a glider.

They are typically generated at high altitudes by stratospheric mountain waves — when strong winds that blow over the tops of high mountains are driven up towards space.

From these observations, scientists speculated that wind speeds at lower - to - middle cloud altitudes are horizontally uniform and have few temporal variations.

The smoke - induced increase in wind speed at an altitude of 1 km enhanced a phenomenon called wind shear, the difference in wind velocity between one layer of the atmosphere and another.

As the trees» seeds get dispersed, either via animals or by wind, those that land above the tree line are now apparently able to survive at these higher altitudes.

They're able to do so thanks to the larger surface area of their wings, which enables them to ride the prevailing winds, often at altitudes of more than 1000 km, while dining on aerial plankton and small insects.

To do this, the group operates a wind tunnel that enables experiments under subfreezing temperatures because it's in an unheated facility located in the Swiss Alps at an altitude of 1,670 meters (5,479 feet).

Changing wind forces at different altitudes determines weather systems, PNNL researchers found

Buffeting winds at these high altitudes can also shut down a telescope.

Imagery from the former can tell scientists how winds on Mars circulate at such high altitudes.

Although their reflectors are exposed to extreme conditions at an altitude of 5,000 meters above sea level in the Chajnantor Plateau, facing gusty winds and temperatures that vary from 20 to -20 degrees Celsius, and even snow, the antennas are designed to withstand these conditions.

«At those altitudes, there is no planetary boundary - layer friction with the surface (meaning, the surface terrain does not exert a frictional drag on the wind moving above it), so high - speed winds might be possible.

Ellie, Abie, Georgia and Ben wanted specialised kites attached to generators to be sent into the jet stream, capturing energy created by the high speed winds that occur at high altitudes.

Is there more wind at higher altitudes?

The winds will continue to push the cloud layer onshore until they encounter mountains at or above the altitude of the clouds themselves, with the mountains then preventing any further inland progress of the marine layer.

The highest point along the route is the 6,669 ft Oberalp Pass, and due to the altitude of the mountains it winds through, the train travels at an average of around 24 miles an hour.

As for the notion that you need to put up wind turbines at a greater height to capture the increased wind speeds, Dabiri notes that wind speeds at lower altitudes are sufficient to supply several times the world's electricity demand.

McNoldy said the conditions are ripe because we're precisely in the middle of hurricane season and there's little wind shear, a condition in which layers of air at different altitudes move at different speeds and which tends to break up hurricanes.

Any system that doesn't take this into account winds up over representing changes at high latitude, high altitude and winter seasons, and under representing changes in low latitude, low altitude and summer seasons.

The winds spiraling around this central core create the eye of the tropical cyclone and eventually spread out at high altitudes.

To measure the thermal winds, they studied data on the motion of weather balloons at different altitudes in the atmosphere.

Wind shear is the difference between the wind speed and direction at different altituWind shear is the difference between the wind speed and direction at different altituwind speed and direction at different altitudes.

The sea ice in the Siberian Arctic is peaking, its effect on the meridional temperature gradient strong, promoting increased zonal flow of large - scale winds, which advect warm air and moisture over the Eurasian continent from the Atlantic and disrupt vertical stratification near the surface and promote high cloudiness, both of which lead to increasing temperatures — greatest at low altitudes and high latitudes.

Modern radiosondes measure or calculate the following variables: altitude, pressure, temperature, relative humidity, wind (both wind speed and wind direction), cosmic ray readings at high altitude and geographical position (latitude / longitude).

Since warm air is being moved poleward at low altitudes, the wind flow is no longer associated with the direct heat engine of the Hadley cell.

Nighttime winds in temperate and tropical latitudes tend to «decouple» at night, meaning that near - surface winds lose much of their connection with higher - altitude winds.

Stratospheric temperature (purple line) and west - to - east winds (gray line) from July 2017 - March 2018 at about 20 miles altitude (10 hPa) and 60 ° N.

However the proximity to the ground (much drag between the wind and the ground) would greatly reduce this effect compared to the efficacy of the jet stream at altitude where there's much less drag.

One can expect higher wind speed at altitude due to less resistance from the surface.

This project will deploy two buoys equipped with Light Detection and Ranging (LiDAR) system (s), remote sensing equipment that uses pulsed laser light to determine wind speeds at altitude.