Sentences with phrase «ice clouds»

Researchers created ice crystals with a near - perfect cubic arrangement of water molecules, in order to better understand how high - altitude ice clouds interact with sunlight and the atmosphere.

We invite studies representing the full range of cloud and absorbing aerosol regimes, including ice clouds, and from recent field experiments.

These special ice clouds then set the stage for some undesirable atmospheric chemistry.

Yang, P., M.G. Mlynczak, H. Wei, D.P. Kratz, B.A. Baum, Y.X. Hu, W.J. Wiscombe, A. Heidinger, and M.I. Mishchenko, 2003: Spectral signature of ice clouds in the far - infrared region: Single - scattering calculations and radiative sensitivity study.

«Information content of visible and midinfrared radiances for retrieving tropical ice cloud properties.»

This composite of 7.5 km (4.7 mi) per pixel daily global images, acquired by the Mars Global Surveyor (MGS) Mars Orbiter Camera (MOC), shows water ice clouds over and to the east (right) of the Mars Exploration Rover (MER - B), Opportunity, landing site in Meridiani Planum.

Here, bluish - white water ice clouds hang above the Tharsis volcanoes.

These plumes carry ammonia upward to form ice clouds.

On the other hand, if some of the anthropogenic aerosols act as ice nuclei, supercooled clouds could be converted into ice clouds by the glaciation indirect effect (Lohmann, 2002), resulting in more efficient precipitation formation.

(In this statement, I'm putting aside exotic cases like the scattering greenhouse effect on Early Mars from dry ice clouds, which can indeed work in the absence of a lapse rate).

So far, researchers have used the presence of cold cubic ice clouds high above Earth's surface to explain interesting halos observed around the sun, as well as the presence of triangular ice crystals in the atmosphere.

As 100hPa temperature falls it promotes ice cloud formation reflecting solar radiation and cooling the surface Remember that drop in Ap index in 2005, as pointed out by Anthony?

Together with colleagues from Berlin and Geneva, climate researchers from Karlsruhe Institute of Technology (KIT) have been investigating the interactions of laser light and ice clouds using the unique AIDA aerosol and cloud chamber on KIT's Campus North.

That rover has stayed close to one spot for the last nine months, where among other observations, it spotted the first water - ice clouds identified from the surface of Mars.

abstract postscript pdf Pierrehumbert, RT and Erlick C 1997: On the scattering greenhouse effect of CO2 ice clouds.

Periodic change in 200hPa temperature in response to changing ozone content and changing short wave radiation change ice cloud density and prevalence.

Comparisons of a sequence of the fifth - generation Pennsylvania State University — National Center for Atmospheric Research Mesoscale Model (MM5) predictions and GOES level - 2B retrievals of ice cloud tops for the convectively active second mission period showed that the MM5 cirrus areal extent was somewhat greater than the GOES depictions.

With high altitude ice clouds their infrared heat trapping exceeds their solar shading effect.

These bands, with alternating wind motions, are created by differences in the thickness and height of the ammonia ice clouds; the lighter bands rise higher and have thicker clouds than the darker bands.

The white puffs are ice clouds hanging over the Tharsis volcanoes, which you see on the left side of of the image at the top of this story.

During aphelion water ice clouds form in the atmosphere, interacting with the dust particles and affecting the temperature of the planet.

It is conceivable that anthropogenic aerosols emitted at the surface and transported to the upper troposphere affect the formation and properties of ice clouds.

Maybe it's a momentary fogging of the congregation with a dry - ice cloud of vapor on Transfiguration Sunday, bringing home the mountaintop text in a whole new way.

Ice clouds, on the other hand, are a feature more common to the southeast coast of Greenland, where they face a unique obstacle: To reach Summit Station from the North Atlantic, they must overcome a steep ridge.

The second type, ice clouds, contain only ice crystals and no cloud liquid water.

Surface winds from the Summit NOAA meteorological data are shown in a-c: (a) shows all surface winds from 2010 - 2016 for all times; (b) shows surface winds for the ice cloud snow cases; and (c) shows surface winds for the mixed phase cloud snow cases.

On the basis of its intended flight route, the Perlan glider might be able to provide the first direct observations of polar stratospheric clouds, a unique type of ice cloud that forms in the polar stratosphere and helps to deplete ozone, Gong adds.

Recent research has suggested that the ice clouds contained in contrails cause greenhouse effects and contribute to global warming as part of the insulating blanket of moisture and gases in the atmosphere.

The pink areas are high - altitude methane - ice clouds.

«Some of the observed features included ancient river beds, craters, massive extinct volcanoes, canyons, layered polar deposits, evidence of wind - driven deposition and erosion of sediments, weather fronts, ice clouds, localized dust storms, morning fogs and more,» NASA wrote in a summary of the mission.

«This imaging was part of an experiment checking the opacity of the atmosphere at night in Curiosity's location on Mars, where water - ice clouds and hazes develop during this season,» Mark Lemmon of Texas A&M University and a member of the camera team, said in a statement.

The study confirmed that ice clouds are sensitive to the aged dust particles.

For example, the instrument was part of a massive field campaign in northern Alaska aimed to improve our understanding of the relationship between particle size and composition and their ability to form warm and ice clouds.

If in fact the volcanic plume broke through the ice a cloud would immediately form and not disperse until the ocean refroze.

Ice cloud is lost as soon as the upper troposphere warms.