Sentences with phrase «atmospheric transport»

The product uncertainty mainly comes from the limited coverage of the measurement network and from errors in atmospheric transport modelling.

This pulse comes in the form of a pressure pulse within the normal seasonal atmospheric transport.

And because the comb measurements can be averaged over the entire path length rather than relying on a few spot measurements, the comb method is better matched to the scale of atmospheric transport models.

While these multiple observational platforms provide a significant potential for the monitoring of GHG emissions, more and more uncertainties are coming to light regarding our understanding of the global and regional budgets of GHGs, errors due to deficiency in atmospheric transport modeling (especially related to convection and vertical mixing), and identification and quantification of climate feedback sensitivities.

Storms help replenish warm water next to the ice, and help carry addtional heat into the melting region via atmospheric transport of warmer moist air.

ARM launched the Layered Atlantic Smoke with Interactions (LASIC) field campaign on Ascension Island to gather data on how smoke properties change after long - range atmospheric transport, as well as the smoke's effect on clouds.

Here we assess the capability of ground - based observations and a high - resolution (1.3 km) mesoscale atmospheric transport model to determine a change in greenhouse gas emissions over time from a metropolitan region.

To determine the magnitude of European emissions from the lead pollution levels measured in the Greenland ice, the team used state - of - the - art atmospheric transport model simulations.

AER scientists contributed atmospheric transport modeling and research expertise to the new study by Harvard University, which is «the first of its kind to quantify methane emissions from natural gas leaks in an urban area».

Greenhouse gases have a cooling effect on the stratosphere, and climate change is likely to also alter atmospheric transport and circulation patterns.

Results of analyses for the 1980s and 1990 to 1996, carried out by eight modelling groups using different atmospheric transport models, observational data, constraints and mathematical procedures, are summarised in Figure 3.5.

In conclusion, the present atmospheric measurement network, current information on air - sea fluxes and current understanding of vertical atmospheric transport are not sufficient to allow full use of the potential of inverse modelling techniques to infer geographically detailed source - sink distributions of anthropogenic CO2.

Demonstrated understanding of the concepts involved with atmospheric transport, dispersion models and air quality studies.

Could the polar regions be so cold as to suck down 43 % of the above - ocean global warming between now and 2100, via atmospheric transport in the poles» role as the planet's refrigerator?

Using a simple model to account for the effects of atmospheric transport, the authors calculated the methane emissions released from each formation over time.

Black carbon is the soot - like byproduct of wildfires and fossil fuel consumption, able to be carried long distances via atmospheric transport.

The group then integrated four different models for industrial and agricultural emissions, production and consumption patterns, the atmospheric transport of pollution, and the number of premature deaths likely caused by air pollution in different regions.

«We used a UK Met Office computer model of atmospheric transport to look back in time, at where the air samples we collected had travelled from.»

Atmospheric scientists measure the amount of CH4 gas in the atmosphere and use these data, along with models of atmospheric transport, to estimate the amount of CH4 released at Earth's surface.

Since what goes north must eventually go south (after taking into account the very small amounts of atmospheric transport and the amount of flow through the Bering Strait), all of the other changes will balance.

In GCMs, the global mean evaporation changes closely balance the precipitation change, but not locally because of changes in the atmospheric transport of water vapour.

Badgley J. E., S. Jeong, X. Cui, S. Newman, J. Zhang, C. Priest, M. Campos - Pineda, A. E. Andrews, L. Bianco, M. Lloyd, N. Lareau, C. Clements and M. L. Fischer (February 2017): Assessment of an atmospheric transport model for annual inverse estimates of California greenhouse gas emissions.

For Europe specifically, it is estimated that the CO2 flux from land vegetation contributes to reduce the global net flux associated with atmospheric growth of CO2, but the relative magnitude of this sink has been decreasing since the 1990s (from capturing 40 % of the global growth previously, to about 20 % now), likely further to changes in the atmospheric transport of heat and humidity over Europe.

Here we quantify the processes that controlled variations in methane emissions between 1984 and 2003 using an inversion model of atmospheric transport and chemistry.