Sentences with phrase «with atmospheric observations»

We're seeing a lot of energy both with atmospheric observations and new observations of the land's surface and I hope we're going to continue to see progress.

Not exact matches

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.

«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.

Even more new atmospheric «species» may turn up with future observations from satellites or the International Space Station, says Yair.

«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.

EWeLiNE combines these data with other atmospheric observations — from ground - based weather stations, radar and satellites — and sophisticated computer models predict power generation over the next 48 hours or so.

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

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.

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.

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

We argue that KELT - 18b's high temperature and low surface gravity, which yield an estimated ~ 600 km atmospheric scale height, combined with its hot, bright host make it an excellent candidate for observations aimed at atmospheric characterization.

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.

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

«With continued follow - up observations, we can use it as a laboratory to test theoretical atmospheric models.

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 ARM Aerosol Measurement Science Group (AMSG) coordinates ARM Climate Research Facility observations of aerosols and atmospheric trace gases with user needs to ensure advanced, well - characterized observational measurements and data products — at the spatial and temporal scales necessary — for improving climate science and model forecasts.

It's something of an abstract concept, but with real world implications, and the universality of such physical models, based on things like radiative balance, atmospheric composition and density, distance from the local Sun, etc., is a very strong argument in favor of general acceptance of the results of climate models and observations on Earth.

For the first time, simultaneous global observations of the ERB and a multitude of cloud, aerosol, and surface properties and atmospheric state data are available with a high degree of precision.»

A paper discussing the difficulty of getting from nm sized nucleation mode to a size that can generate cloud particles is: Erupe, M. E., et al. (2010), Correlation of aerosol nucleation rate with sulfuric acid and ammonia in Kent, Ohio: An atmospheric observation, J. Geophys.

With that said, our ability to estimate greenhouse gas emissions is only as good as our atmospheric observation network.

The combination of observation - based estimates... with NCAR CSM1.4 - carbon model projection indicates that 10 % of the surface water along the investigated Arctic transect will become undersaturated for at least one month of the year when atmospheric CO2 exceeds 409 ppm.

This essay is an attempt to link real world observations (the failure of surface temperatures to rise in tandem with atmospheric CO2) to basic physics and thereby show why the radiative characteristics of Greenhouse Gases can not increase the surface temperature of a planet when atmospheric mass, the strength of the gravitational field and the power of insolation at the top of the atmosphere remain the same.

Evaluating ocean and atmospheric observations with advanced modeling tools, scientists from NOAA and CIRES found that about 60 percent of 2016's record warmth was caused by record - low sea ice observed that year, and the ensuing transfer of ocean heat to the atmosphere across wide expanses of ice - free or barely frozen Arctic Ocean.

Evidence that extreme precipitation is increasing is based primarily on analysis1, 2,3 of hourly and daily precipitation observations from the U.S. Cooperative Observer Network, and is supported by observed increases in atmospheric water vapor.4 Recent publications have projected an increase in extreme precipitation events, 1,5 with some areas getting larger increases6 and some getting decreases.7, 2

The method combines the results of long - term atmospheric reanalyses downscaled with a stochastic statistical method and homogenized station observations to derive the meteorological forcing needed for hydrological modeling.

The underlying integrated assessment model outputs for land use, atmospheric emissions and concentration data were harmonized across models and scenarios to ensure consistency with historical observations while preserving individual scenario trends.

«Analysis of observations indicate that this heat wave was mainly due to internal atmospheric dynamical processes that produced and maintained a strong and long - lived blocking event, and that similar atmospheric patterns have occurred with prior heat waves in this region.

Morison and Untersteiner (University of Washington); 5.6 Million Square Kilometers; Heuristic Estimate is based on recent observations, including the previous winter Arctic Oscillation (AO), ice concentrations observed during North Pole Environmental Observatory (NPEO) hydro surveys, atmospheric and ice surface conditions observed with NPEO buoys and Web Cams, and recent ice trajectories.

Working with a total of 2,196 globally - distributed databases containing observations of NPP, as well as the five environmental variables thought to most impact NPP trends (precipitation, air temperature, leaf area index, fraction of photosynthetically active radiation, and atmospheric CO2 concentration), Li et al. analyzed the spatiotemporal patterns of global NPP over the past half century (1961 — 2010).

«Coupled models are becoming increasingly reliable tools for understanding climate and climate change, and the best models are now capable of simulating present - day climate with accuracy approaching conventional atmospheric observations,» said Reichler.

A shift in atmospheric circulation in response to changes in solar activity is broadly consistent with atmospheric circulation patterns in long - term climate model simulations, and in reanalysis data that assimilate observations from recent solar minima into a climate model.

The relationship between N2O fluxes and NO3 — concentrations is consistent with observations from small streams (Baulch et al. 2011) as well as observed positive relationships between concentrations of N2O and NO3 — in reservoirs (Beaulieu et al. 2015) and in lakes receiving atmospheric nitrogen deposition (McCrackin and Elser 2011).

«The authors write that North Pacific Decadal Variability (NPDV) «is a key component in predictability studies of both regional and global climate change,»... they emphasize that given the links between both the PDO and the NPGO with global climate, the accurate characterization and the degree of predictability of these two modes in coupled climate models is an important «open question in climate dynamics» that needs to be addressed... report that model - derived «temporal and spatial statistics of the North Pacific Ocean modes exhibit significant discrepancies from observations in their twentieth - century climate... conclude that «for implications on future climate change, the coupled climate models show no consensus on projected future changes in frequency of either the first or second leading pattern of North Pacific SST anomalies,» and they say that «the lack of a consensus in changes in either mode also affects confidence in projected changes in the overlying atmospheric circulation.»»

The method is a sea ice - ocean model ensemble run (without and with assimilation of sea - ice / ocean observations); the coupled ice - ocean model NAOSIM has been forced with atmospheric surface data from January 1948 to 7 July 2015.

«Weather observations confirm indisputably that global temperatures are rising together with atmospheric CO2 levels,» said co-author Antti Lipponen of the Finnish Meteorological Institute, in a statement.

The behaviour of temperature, along with a lot of other observations, is all backing up the general picture of the planet shifting climate to get into balance with the new atmospheric composition.

The paper gives some basic formulae for getting the forcings from the concentrations, so to pick the right scenario it's okay to compare atmospheric compospition with subsequent observations and slightly better to compare the forcings.

«Our approach facilitates comparisons and produces results that agree more closely with real - world observations than previous approaches,» said Dr. Po - Lun Ma, PNNL atmospheric scientist and lead author of the paper.

Simultaneous observations of atmospheric ethane, compared with the ethane - to - methane ratio in the pipeline gas delivered to the region, demonstrate that natural gas accounted for ∼ 60 — 100 % of methane emissions, depending on season.

In both GOGA and TOGA simulations, the surface temperature over sea ice can respond to both prescribed sea ice and simulated atmospheric circulation changes, which explains differences with observations

However, a confident assessment of human influence on hurricanes will require further studies using models and observations, with emphasis on distinguishing natural from human - induced changes in hurricane activity through their influence on factors such as historical sea surface temperatures, wind shear, and atmospheric vertical stability.

Compared with observed atmospheric and ocean warming, the hindcasts tracked the observations best in both atmosphere and ocean for a pCO2 - doubling, climate sensitivity of 2.5 K.

Quan, C. S. Frederiksen and M. Li (October 2016): Predictable signals in seasonal mean soil moisture simulated with observation - based atmospheric forcing over China.

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.

This conversion facilitates comparison with estimates of the atmospheric growth rate based on in situ observations (e.g. from Mauna Loa, Hawaii).

The emails showed David Parker (Lead author of ch 3 of AR4) to be concerned with giving the impression of warming: 05/01/2005: There is a preference in the atmospheric observations chapter of IPCC AR4 to stay with the 1961 - 1990 normals.

CO; 2 Observations of the Infrared Radiative Properties of the Ocean «[I] t is necessary to understand the physical variables contributing to sea surface emitted and reflected radiation to space.The emissivity of the ocean surface varies with view angle and sea state, the reflection of sky radiation also depends on view angle and sea state, and the absorption of atmospheric constituents such as water vapor, aerosols, and subdivisible clouds affect transmittance.»

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.

Current observations are, I believe, consistent with these principles, in that as the climate has warmed, atmospheric water has increased, but continues to play «catch up» in that relative humidity has tended to decline slightly.