Sentences with phrase «of cirrus cloud»

Eleftheratos, K., C.S. Zerefos, P. Zanis, D.S. Balis, G. Tselioudis, K. Gierens, and R. Sausen, 2007: A study on natural and manmade global interannual fluctuations of cirrus cloud cover for the period 1984 - 2004.

Francis, P.N., P. Hignett, and A. Macke, 1998: The retrieval of cirrus cloud properties from aircraft multi-spectral reflectance measurements during EUCREX» 93.

«Only after these questions are addressed could one move further to explore the costs and feasibility of cirrus cloud thinning.»

The 27 - 28 October 1986 FIRE IFO cirrus case study: spectral properties of cirrus cloud in the 8 - 12 um window.

As a result, the area of cirrus cloud is reduced.»

Analyzing data collected over a 20 - month period, scientists from NASA's Goddard Space Flight center in Greenbelt, Md., and the Massachusetts Institute of Technology found that the number of cirrus clouds above the Pacific Ocean declines with warmer sea surface temperatures.

According to Beat in his nomination letter, «She is an excellent scientist whose research has greatly increased our knowledge of the radiative impact of cirrus clouds on the tropics.

For example, they will use data from the ARM field campaign SPARTICUS (Small Particles in Cirrus) between November 2009 and March 2010, which will focus specifically on measuring properties of cirrus clouds.

The sky was stark blue save for a distant smudge of cirrus clouds.

The overall heat - trapping effect of cirrus clouds is so large that it exceeds that of human - released CO2, says Prof Ulrike Lohmann, an atmospheric scientist from ETH Zurich who recently published a review on cloud thinning in Science.

So, lots of cumulus clouds and few cirrus clouds cool the earth while lots of cirrus clouds and fewer cumulus clouds warm the earth.

This study examines the horizontal distribution of cirrus clouds by means of satellite imagery analyses and numerical weather prediction model forecasts.

Emissions, they discovered, increased the fraction of cirrus clouds where vapor trails were most prevalent but decreased the fraction in some areas by increasing the temperature and consequently decreasing the relative humidity in the lower atmosphere.

Macke, A., P.N. Francis, G.M. McFarquhar, and S. Kinne, 1998: The role of ice particle shapes and size distributions in the single scattering properties of cirrus clouds.

Is this neglect of cirrus clouds and long wavelengths due to advice given by James Lovelock or Richard Lindzen?

Also, note that aerosol droplets from volcanic eruptions are much more dispersed than those from say aircraft exhaust plumes that do produce a form of cirrus clouds under certain conditions.

Not exact matches

Now no longer a child, I know that clouds are of various types — cirrus, cumulus, cirrocumulus,...

Now no longer a child, I know that clouds are of various types — cirrus, cumulus, cirrocumulus, cirrocumulus castellanus — and that they portend rain or merely reflect the summer - day idleness that I have no time for.

Besides SSCE, scientists have also been investigating stratospheric sulfur injections — firing sun - reflecting aerosols into the air, similar to the cooling effect after a volcanic eruption — and cirrus cloud thinning, where you thin the top level of clouds, which have a warming effect on the planet.

In high cirrus clouds, which consist purely of ice crystals, the researchers, however, came across a surprisingly strong reaction to laser irradiation: As described in PNAS, the laser pulses increase the number of ice particles by up to a factor of 100 within only a few seconds.

Intense laser light pulses increase the brightness of high cirrus clouds.

Some of the loveliest sights result from the high, wispy cirrus clouds that often precede storms.

In addition, around the tropopause the air is close to saturation with water and a small increase of vapour from aircraft can create wide expanses of thin cirrus clouds that cause even stronger warming.

Four other instruments on board the aircraft measure the physical properties of droplets and ice crystals in high monsoon and cirrus clouds.

Ulrike Lohmann and Blaž Gasparini, both researchers at the Institute of Atmospheric and Climate Scienceat ETH Zurich inSwitzerland, proposed a counterintuitive plan: Seed the upper atmosphere with tiny particles of desert dust to reduce cirrus clouds.

Students will also learn about these different kinds of clouds: nimbus, cirrus, cumulus.

For Horizon Zero Dawn, Guerrilla need a solution that can fill a sky with evolving and realistic results that closely match highly detailed reference images which represent high altitude cirrus clouds and all of the major low level cloud types, including thick billowy cumulus clouds.

Small details, like the tiny knobs of yellow popping out of the mist in «Profile (Orb)» (2015), seem to blossom into revelations, enticing you to peer more deeply into the surface, as if the picture plane were an aerial view high above cirrus clouds, offering hazy glimpses of the Earth below.

There are two main aspects of a living earth, the cirrus cloud part, and the ocean part.

Even more, the Davies paper only looks at 10 years of data (with sampling times at just one time in the local morning) and doesn't capture some clouds such as thin cirrus that may also be important.

At the recent European Geophysical Union conference, there were posters on banner clouds on the Zugspitze, the role of cubic ice crystals in high cirrus formation, and the role of global cooling in the fall of the Neanderthals.

The function of the DNA was not to produce proteins or regulate or translate them, but rather the nucleotide function was simply to provide an electrical feedback to convection processes that occur w / cirrus clouds that can trap heat, compress air and cause rain over ambient, lifeless winds and climate inputs.

«While low clouds have a predominantly cooling effect due to their shading of sunlight, most cirrus clouds have a net warming effect on the Earth,» Spencer said.

In the tropics most cirrus - type clouds flow out of the upper reaches of thunderstorm clouds.

In contrast, an increase in the intensity of sub-tropical anticyclones observed in ECHAM4 results from a tropospheric warming promoted by excessive cirrus clouds attributed to a scale - dependent response in the relevant parametrization (Stendel and Roeckner, 1998).

The premise of Lindzen's hypothesis was that as the climate warms, the area in the atmosphere covered by high cirrus clouds will contract to allow more heat to escape into outer space, similar to the iris in a human eye contracting to allow less light to pass through the pupil in a brightly lit environment.

The iris hypothesis and the tropical upper tropospheric water vapor and cirrus cloud feedbacks, while arguably still open to debate, are not by any stretch of the imagination a major driver in global climate feedback.

As the tops of cirrus uncinus clouds blow ahead of the lower parts, the tails of the clouds point towards the west

The report considers all the gases and particles emitted by aircraft into the upper atmosphere and the role that they play in modifying the chemical properties of the atmosphere and initiating the formation of condensation trails (contrails) and cirrus clouds.

If the Sun is close to the horizon and feathery cirrus clouds sit high in the sky, «ghost» images of the Sun will sometimes materialize on either side of it, giving the appearance of three Suns shining in the sky.

Jackson, R.C., G.M. McFarquhar, A. Fridlind, and R. Atlas, 2015: The dependence of cirrus gamma size distributions expressed as volumes in N0 - λ - μ phase space and bulk cloud properties on environmental conditions: Results from Small Ice Particles in Cirrus Experiment (SPARTICUS).

NASA's recent Cirrus Regional Study of Tropical Anvils and Cirrus Layers - Florida Area Cirrus Experiment focused on anvil cirrus clouds, an important but poorly understood element of our climate system.

The meeting will mainly cover the following themes, but can include other topics related to understanding and modelling the atmosphere: ● Surface drag and momentum transport: orographic drag, convective momentum transport ● Processes relevant for polar prediction: stable boundary layers, mixed - phase clouds ● Shallow and deep convection: stochasticity, scale - awareness, organization, grey zone issues ● Clouds and circulation feedbacks: boundary - layer clouds, CFMIP, cirrus ● Microphysics and aerosol - cloud interactions: microphysical observations, parameterization, process studies on aerosol - cloud interactions ● Radiation: circulation coupling; interaction between radiation and clouds ● Land - atmosphere interactions: Role of land processes (snow, soil moisture, soil temperature, and vegetation) in sub-seasonal to seasonal (S2S) prediction ● Physics - dynamics coupling: numerical methods, scale - separation and grey - zone, thermodynamic consistency ● Next generation model development: the challenge of exascale, dynamical core developments, regional refinement, super-parametrization ● High Impact and Extreme Weather: role of convective scale models; ensembles; relevant challenges for model development

You also left out key cloud types, such as marine layer stratus and cirrus, which provide much different types of response to daily insulation.

The overall effect of the high thin cirrus clouds then is to enhance atmospheric greenhouse warming.

«Derivation of physical and optical properties of mid-latitude cirrus ice crystals for a size - resolved cloud microphysics model.»

At the moment, Lindzen is pursuing a theory that says increased amounts of water vapor — from warming surface temperatures — will reduce heat - trapping high - cirrus clouds, which will help balance the planet's temperature.

Meteorologists here still falsely reporting SRM trails as «high cirrus clouds» Lots of MORONS around these days and not just in White House.

Rather than magnifying whatever warming takes place, the response of tropical cirrus cloud cover is to reduce it.

The ONLY greenhouse type of effect occurs as a result of the effects of clouds, especially the large and reflective type which are generally cumulous (low) clouds and to some extent cirrus and stratos, but mostly the low clouds.