Sentences with phrase «atmospheric observations of»

I was at an international conference on aerosol in September and I made a comment that we're getting to the stage with CLOUD where we will understand the processes extremely well, but we still won't be able to reduce the errors because we don't have good enough atmospheric observations of what the concentrations of these vapors are in the atmosphere versus altitude.

GLOBALVIEW data products are designed to enhance the spatial and temporal distribution of atmospheric observations of CO2, CH4 and other related atmospheric measurements.

The researchers hope that their technique may prove especially useful when upcoming space missions such as NASA's James Webb Space Telescope and the European Space Agency's Ariel Space Mission start providing more detailed atmospheric observations of potentially habitable exoplanets.

Not exact matches

Trapped beneath Earth's ocean of air, ground - based observatories will be stymied by starlight - warping turbulence, and by airglow — faint light emitted by atmospheric chemical reactions that can corrupt delicate observations.

Combining observations from satellites and ground stations with climate models, they evaluated different factors that affect telescope vision, such as the amount of water vapour, wind speeds and atmospheric turbulence.

Trapped below Earth's ocean of air, even the largest ground - based observatories will be stymied by starlight - warping turbulence and by airglow, faint light emitted by atmospheric chemical reactions that can corrupt delicate observations.

«Although a direct causal link has not been established between the atmospheric phenomena observed in late October 2012 and the record - breaking sea - ice loss observed during the preceding summer months, all of the observations are consistent with such an interpretation,» states the Oceanography article.

Observations obtained a month later by members of the Planetary Sciences Group using the PlanetCam camera developed by this team and fitted to the 2.2 - m telescope at the Calar Alto Observatory in Almería (Spain) enabled the speed of this atmospheric structure to be confirmed.

Mission leaders were relieved and eager to begin their studies of cloud and haze effects, which «constitute the largest uncertainties in our models of future climate — that's no exaggeration,» says Jens Redemann, an atmospheric scientist at NASA's Ames Research Center in Mountain View, California, and the principal investigator for ObseRvations of Aerosols above CLouds and their IntEractionS (ORACLES).

This global biological recordbased on daily observations of ocean algae and land plants from NASAs Sea - viewing Wide Field - of - View Sensor (SeaWiFS) missionwill enable scientists to study the fate of atmospheric carbon, terrestrial plant productivity and the health of the oceans food web.

«Advances in global climate models and high quality ocean, atmospheric and land observations are helping us push the frontiers of snowpack prediction.»

What is more, because Jupiter's microwave emissions vary in wavelength based on the pressure (as well as temperature) of the atmospheric layers where they originate, observations at multiple wavelengths allow researchers to create a cross-section through the atmosphere.

«But no one has had a comprehensive set of observations of what really happens after you seed a cloud,» says Jeff French, an atmospheric scientist at the University of Wyoming (UW) and SNOWIE principal investigator.

Using published data from the circumpolar arctic, their own new field observations of Siberian permafrost and thermokarsts, radiocarbon dating, atmospheric modeling, and spatial analyses, the research team studied how thawing permafrost is affecting climate change and greenhouse gas emissions.

Other than in previous publications, optical rogue waves in this system are clearly ruled by atmospheric turbulence in a gas cell, effectively enabling the observation of a storm in a test tube.

«It may even be possible to predict sea ice cover a year in advance with high - quality observations of sea ice thickness and snow cover over the whole Arctic,» said Cecilia Bitz, co-author and professor of atmospheric sciences at the University of Washington.

Observations of atmospheric carbon dioxide made by aircraft at altitudes between 3 and 6 kilometers (10,000 - 20,000 feet) show that seasonal carbon dioxide variations have substantially changed during the last 50 years.

The findings come from a multi-year airborne survey of atmospheric chemistry called HIAPER Pole - to - Pole Observations, or HIPPO.

This discovery, and other observations made by the Penn State team, provide insight into the complexity of weather and atmospheric composition on exoplanets, and may someday be useful for gauging the habitability of Earth - size planets.

Hubble observations of the planet's atmospheric temperature profile represent the first time astronomers have detected this precipitation process, called a «cold trap,» on an exoplanet.

«The atmospheric carbon dioxide observations are important because they show the combined effect of ecological changes over large regions,» says Graven.

In addition, satellite observations of the ocean surface and atmospheric data were included.

The UM Rosenstiel School researchers used historical observations of cloud cover as a proxy for wind velocity in climate models to analyze the Walker circulation, the atmospheric air flow and heat distribution in the tropic Pacific region that affects patterns of tropical rainfall.

To arrive at their results, the researchers combined observations from the past century with climate simulations of the atmospheric response to the AMO.

The study authors based their analysis on a combination of satellite observations of rainfall and vegetation and an atmospheric circulation model to track the movement of air masses.

MAGIC has been designed to be the most suitable instrument among imaging atmospheric Cherenkov telescopes to perform this kind of observations.»

Roe and his U.W. co-author, atmospheric physicist Marcia Baker, argue in Science that, because of this inherent climate effect, certainty is a near impossibility, no matter what kind of improvements are made in understanding physical processes or the timescale of observations.

The model is supported by observations from satellites, ground - based networks that measure ozone - depleting chemicals in the real world, and by observations from two decades of NASA aircraft field campaigns, including the most recent Airborne Tropical Tropopause Experiment (ATTREX) in 2013 and the Atmospheric Tomography (ATom) global atmospheric survey, which has made three deployments since 2016.

The ARM Facility has provided the world's atmospheric scientists with continuous observations of cloud and aerosol properties and their impacts on the Earth's energy balance for more than 20 years.

Your statement that «Thus it is natural to look at the real world and see whether there is evidence that it behaves in the same way (and it appears to, since model hindcasts of past changes match observations very well)» seems to indicate that you think there will be no changes in ocean circulation or land use trends, nor any subsequent changes in cloud responses thereto or other atmospheric circulation.

I am excited about our results because they open a new window on very fundamental processes in brown dwarfs (atmospheric circulation, heat exchanges, and cloud formation) and, at the same time, they also explain a number of past observations that puzzled brown dwarf experts.

The Aerosol Measurement Science Group (AMSG) coordinates ARM Facility observations of aerosols and atmospheric trace gases with user needs.

In combinations with numerical simulations, these observations can help constrain the properties of the waves, as well as the background states for wave propagation, for instance, the atmospheric stratification.

«These unexpected observations remind us keenly of how little we understand about atmospheric dynamics in outer planet atmospheres,» the authors wrote in their paper.

Eclipse observations, where Jupiter eclipses Io for a few hours approximately every two days, also offer another way of testing atmospheric support.

With HST - Spitzer transit and eclipse observations we constrain the compositions and atmospheric thermal structure of twenty of the brightest exoplanets.

These observations represent the first constraints on the atmospheric dynamics of a highly irradiated brown dwarf, and the atmospheres of irradiated giant planets at high surface gravity.

The observations are best described by atmospheric models for which most of the incident energy is re-radiated away from the day side.

Satellite observations indicate that the iron - fertilised phytoplankton blooms north of South Georgia are amongst the most intense south of the Polar Front and form the largest seasonal sink of atmospheric CO2 in the Southern Ocean.

Previous proofs have relied on complex climate models, but this proof doesn't need such models — just careful observations of the land, ocean and atmospheric gases.»

Therefore, what Hansen's models and the real - world observations tell us is that climate sensitivity is about 40 % below 4.2 °C, or once again, right around 3 °C for a doubling of atmospheric CO2.

Miller, S. M., et al. (2016), A multiyear estimate of methane fluxes in Alaska from CARVE atmospheric observations, Global Biogeochem.

Many of the planets discovered by EDEN around nearby stars will be suitable for in - depth atmospheric characterization, mass, radius, and bulk density measurements through follow - up observations with large ground - and space - based telescopes, such as NASA's James Webb Space Telescope.

The Finnish Meteorological Institute started meteorological observations on the island in 1881, and atmospheric trace gas and aerosol measurements as member of the EMEP - network in 1980.

Other types of atmospheric pollution can interfere with astronomic observations as well.

This high frequency observation was made possible by the combination of ideal atmospheric condition (dryness) of the Atacama Desert, high surface accuracy of the antenna, and proper functions of all components as an entire array system including the Band 10 receiver.

Scientists are using airborne observations of atmospheric trace gases, aerosols, and cloud properties from the North Slopes of Alaska to improve their understanding of global climate, with the goal of reducing the uncertainty in global and regional climate simulations and projections.

The biogeochemical impacts of this «fertilization» remain unclear, as direct oceanic observations of atmospheric deposition are limited and models often can not resolve the important processes.

This method tries to maximize using pure observations to find the temperature change and the forcing (you might need a model to constrain some of the forcings, but there's a lot of uncertainty about how the surface and atmospheric albedo changed during glacial times... a lot of studies only look at dust and not other aerosols, there is a lot of uncertainty about vegetation change, etc).

LASSO will enhance ARM observations by using large - eddy simulation (LES) modeling to provide context and a self - consistent representation of the atmosphere surrounding the Southern Great Plains (SGP) atmospheric observatory.