Sentences with phrase «on atmospheric water»

I'm here in Kailua Kona for the AGU Chapman conference on atmospheric water vapor and its role in climate.

Ryan Maue, if we assume that Kevin Trenbreth has the seminal paper on atmospheric water vapor products in the paper: «Trends and variability in column - integrated atmospheric water vapor», then I have the distinct view that we only have water vapor data that would pass muster with Trenberth for the period 1988 forward and only over the oceans in the form of the RSS SSM / I measurements / reanalysis.

Kapsch et al, 4.75 (4.13 - 5.37), Statistical For the prediction of the September sea - ice extent we use a simple linear regression model that is only based on the atmospheric water vapor in spring (April / May).

I meant this one: Makarieva, A. M., Gorshkov, V. G., and Li, B. - L.: Revisiting forest impact on atmospheric water vapor transport and precipitation, Theor.

Kapsch et al., 4.1 (± 0.5), Statistical (same as June) For the prediction of the September sea - ice extent we use a simple linear regression model that is only based on the atmospheric water vapor in spring (April / May).

Kapsch et al, 4.66 (± 0.59), Statistical For the prediction of the September sea - ice extent we use a simple linear regression model that is only based on the atmospheric water vapor in spring (April / May).

Not exact matches

Taken together, Palumbo says, the results offer a potential means of reconciling the geological evidence for flowing water on early Mars with the atmospheric evidence for a cold and icy planet.

If a planet consists of a lot of gas, the atmospheric pressure on the surface may be so high that water is not able to keep its liquid form.

«To date, most methods used to identify atmospheric rivers are based on their water vapor flux or wind speed,» Perez - Munuzuri said.

Prospects for Venusian life have been dismissed because of harsh conditions on the planet's surface: there is no water, temperatures reach 477 °C and the atmospheric pressure is 92 times that on Earth's surface.

But although some evidence points to past water oceans on Mars, only small amounts of carbonates have been found there — in Martian meteorites that landed on Earth and in atmospheric dust and bright soils on the planet.

Schulz and his colleagues suspect that an atmospheric low tide releases a tiny amount of pressure on the air and water in the soil at the surface.

Experiments carried out in the OU Mars Simulation Chamber — specialised equipment, which is able to simulate the atmospheric conditions on Mars — reveal that Mars» thin atmosphere (about 7 mbar — compared to 1,000 mbar on Earth) combined with periods of relatively warm surface temperatures causes water flowing on the surface to violently boil.

Bringing together observed and simulated measurements on ocean temperatures, atmospheric pressure, water soil and wildfire occurrences, the researchers have a powerful tool in their hands, which they are willing to test in other regions of the world: «Using the same climate model configuration, we will also study the soil water and fire risk predictability in other parts of our world, such as the Mediterranean, Australia or parts of Asia,» concludes Timmermann.

Lead author, Dr Michael Singer from School of Earth and Ocean Sciences at Cardiff University, said: «In drylands, convective (or short, intense) rainfall controls water supply, flood risk and soil moisture but we have had little information on how atmospheric warming will affect the characteristics of such rainstorms, given the limited moisture in these areas.»

The presence of atmospheric water was reported previously on a few exoplanets orbiting stars beyond our solar system, but this is the first study to conclusively measure and compare the profiles and intensities of these signatures on multiple worlds.

As a result of atmospheric patterns that both warmed the air and reduced cloud cover as well as increased residual heat in newly exposed ocean waters, such melting helped open the fabled Northwest Passage for the first time [see photo] this summer and presaged tough times for polar bears and other Arctic animals that rely on sea ice to survive, according to the U.S. Geological Survey.

20 Snow is near - pure crystallized water, but when it collects on the ground it acts as a reservoir for atmospheric pollutants such as mercury and soot.

«Cloudy days on exoplanets may hide atmospheric water.»

Predicting how increasing atmospheric CO2 will affect the hydrologic cycle, from extreme weather forecasts to long - term projections on agriculture and water resources, is critical both to daily life and to the future of the planet.

«Our finding that vegetation plays a key role future in terrestrial hydrologic response and water stress is of utmost importance to properly predict future dryness and water resources,» says Gentine, whose research focuses on the relationship between hydrology and atmospheric science, land / atmosphere interaction, and its impact on climate change.

«Maybe others might be inspired and look at the geochemistry or atmospheric chemistry implications, such as how these water cluster structures on atmospheric dust nanoparticles could affect cloud formation, rain and acid rain,» Mavrikakis says.

«Even a weak electric wind could still play a role in water and atmospheric loss at any planet,» said Dr Alex Glocer of NASA Goddard, a co-author on the paper.

«Even a weak electric wind could still play a role in water and atmospheric loss at any planet,» said Alex Glocer of NASA Goddard, a co-author on the paper.

Qian pointed to a Proceedings of the National Academy of Sciences report last year on haze, or «atmospheric brown clouds,» in South Asia that implicated air pollution in disrupting the water cycle.

On March 19, 2008, astronomers using the Hubble Space Telescope announced confirmation of the presence of water and the detection of more methane in the atmosphere of the planet than would be predicted by conventional atmospheric models for «hot Jupiters» (Hubble news release and videos; ESA news release and videos; and Swain et al, 2008 — more below).

Although atmospheric oxygen soon recovered again as photosynthesis and weathering reached a new balance, at about 10 per cent of present - day levels, the oxidative weathering of sulphides on land filled the oceans with sulphate which created abundant food for a group of bacteria that filled the oceans with sewer gas (hydrogen sulphide) toxic to oxygen - loving lifeforms (delaying the development of eukaryotic plants and animals) and turned them «into stinking, stagnant waters almost entirely devoid of oxygen.»

At present, the surface of the planet Mars is too cold and has too little atmospheric pressure to permit the pooling of liquid water on its surface.

Scientists at Pacific Northwest National Laboratory showed that global climate models are not accurately depicting the true depth and strength of tropical clouds that have a strong hold on the general circulation of atmospheric heat and the global water balance.

A 2015 USDA report (Brown et al. 2015) on how climate affects agriculture delineates the sensitivities of specialty crops to many climate components (e.g., temperatures, atmospheric CO2 levels, water supply, cloud and light conditions, high winds and other extreme conditions).

In 2003, astronomers at the University of Texas at Arlington performed refined calculations to determine that the habitable zone around 47 Ursae Majoris, where an inner rocky planet (with suitable mass and atmospheric gas composition and density) can have liquid water on its surface, lies between 1.05 and 1.83 AUs of the star.

A NOAA website on atmospheric rivers contains this fascinating statistic that illustrates just how much moisture can be transported by winds in the mid-to-upper atmosphere: «A strong atmospheric river transports an amount of water vapor roughly equivalent to 7.5 - 15 times the average flow of liquid water at the mouth of the Mississippi River.»

In them a planet might still be able to support liquid water on its surface if more exotic atmospheric compositions are allowed.

«People had considered whether you could get a subsurface layer of water somewhere on Pluto» states New Horizons co-investigator Richard Binzel, professor of earth, atmospheric and planetary sciences at MIT.

The Arctic Monitoring and Assessment Program (AMAP) carbon assessment published in 2009 highlighted the disparity in methane emissions estimated by extrapolating data from wetlands, lakes, and coastal waters underlain by permafrost (32 to 112 Tg CH4 yr - 1) and estimates based on spatial and temporal variability of atmospheric methane concentrations (15 to 50 Tg CH4 yr - 1).

Global positioning satellites (GPS); remote sensing for water, minerals, and crop and land management; weather satellites, arms treaty verifications; high - temperature, light - weight materials; revolutionary medical procedures and equipment; pagers, beepers, and television and internet to remote areas of the world; geographic information systems (GIS) and algorithms used to handle huge, complex data sets; physiologic monitoring and miniaturization; atmospheric and ecological monitoring; and insight into our planet's geological history and future — the list goes on and on.

In July, the Office of Naval Research made a survey in the waters off Virginia Beach, Virginia using ScanEagle UAVs to study the effect of oceanic and atmospheric changes on radar and radio waves, with the aim of improving military communications and the ability of radar to detect hostile craft..

His current research is mainly focused on the application of efficient computational methods to understand the structure and dynamics of hydrogen - bonded systems ranging from water clusters to atmospheric aerosols.

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.

Because the average surface temperature of Mars is colder than -80 °F and the atmospheric pressure is 6 — 10 mbar, liquid water would quickly freeze on Mars.

Using atmospheric devices on a 150 - foot tower in the Morgan - Monroe State Forest, IU researchers measured how much water vapor and gases were being absorbed and released by the forest.

If you like music, O'Donoghues on Merrion Square is an atmospheric watering hole.

And just when you thought the visuals couldn't possibly look any more eye - watering, Evolution have taken the time to enhance the atmospheric effects; «improving heathaze and introducing mirages, which are visible on the road when light is refracted by hot air.»

Acrylic bands of blue and white curving out from the wall represent water in motion; glass beads covering a dune - shaped form create the shimmering effect of light on sand; hundreds of acrylic cubes in varying hues of violet are points of color that capture the light or atmospheric condition of a particular moment.

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.

For example, a biogeochemical model can be used to show that dumping iron in the oceans will have no effect on atmospheric CO2, as any increase in algal growth will be accompanied by increases in remineralization of algal biomass in the water column.

Do you really think the fact that waters are warmer and atmospheric moisture content is higher now due to man - made global warming (not to mention the «blocking high» over Greenland due to Arctic climate change) may be less of an influence on Hurricane Sandy than some other currently unobserved changes to our climate that occurred 3000 years ago?

On the other hand, decreasing stratospheric ozone (above 25 km), increasing stratospheric water vapor, and increasing atmospheric CO2 uniformly with height) will produce global surface and tropospheric warming along with stratospheric cooling.

Beyond atmospheric chemistry, this process depends on the color of sea water, and the organisms that bloom in it, and as long as that water is left dark, this harbinger of Anthopocene climate change may be expected to grow.

Re: # 19 — excellent points: that both (a) CaCO3 dissolution occurs above pH 7 (it depends on the H2C03, HCO3 -LRB--), and CO3 (2 --RRB- equilibrium which determines the saturation state of seawater), AND (b) that biogenic calcification is made increasingly difficult when the saturation state of surface waters declines, which is what happens as rising atmospheric CO2 influences the chemistry of surface waters.