Sentences with phrase «direct global measurements»

We obtained direct global measurements of the lunar surface using multispectral thermal emission mapping with the Lunar Reconnaissance Orbiter Diviner Lunar Radiometer Experiment.

Not exact matches

The study, published online today in Environmental Science & Technology, provides the most comprehensive set yet of direct measurements of emissions from the distribution system and, with a series of partner studies, is helping to determine the natural gas industry's contribution to U.S. greenhouse gas emissions and to global warming.

Holgerson and co-author Peter Raymond, professor of ecosystem ecology at Yale, conducted their analysis by combining recent estimates on the global number of lakes and ponds with a compilation of direct measurements of CO2 and CH4 concentrations from 427 lakes and ponds.

The work included data from a variety of sources, including national emissions inventories kept by the United Nations, global estimates of energy use and direct measurements of atmospheric CO2 concentrations, and involved dozens of authors from institutes around the world.

[T] he idea that the sun is currently driving climate change is strongly rejected by the world's leading authority on climate science, the U.N.'s Intergovernmental Panel on Climate Change, which found in its latest (2013) report that «There is high confidence that changes in total solar irradiance have not contributed to the increase in global mean surface temperature over the period 1986 to 2008, based on direct satellite measurements of total solar irradiance.»

As far as this historic period is concerned, the reconstruction of past temperatures based on deep boreholes in deep permafrost is one of the best past temperature proxies we have (for the global regions with permafrost — polar regions and mountainous regions)-- as a signal of average temperatures it's even more accurate than historic direct measurements of the air temperature, since the earth's upper crust acts as a near perfect conservator of past temperatures — given that no water circulation takes place, which is precisely the case in permafrost where by definition the water is frozen.

Lawrence Cathles at Cornell said he had confidence that more observation, from direct measurements to global tracking of methane concentrations, would allow gas development to proceed while limiting climate impacts.

Refining the model to obtain «better» results can only be directed by prejudice concerning what is «better» because there is no measurement standard for global temperature.

Figures A and B show past variations in the global mean temperature inferred from direct measurements (A) and from the analysis of ice - cores (B).

These climate - related land storage effects could be significant for global sea - levels, though unfortunately there seem to be very few direct experimental measurements of the factors involved, and so the only studies of these effects seem to have been from computer modelling of data from weather data «reanalysis» models (e.g., ERA - 40).

The use of even more recently computer - reconstructed total solar irradiance data (whatever have large uncertainties) for the period prior to 1976 would not change any of the conclusions in my paper, where quantitative analyses were emphasized on the influences of humans and the Sun on global surface temperature after 1970 when direct measurements became available.

The evidence comes from direct measurements of rising surface air temperatures and subsurface ocean temperatures and, indirectly, from increases in average global sea levels, retreating glaciers, and changes in many physical and biological systems.

Also, I don't see how you can pass over the fact that, 1) the atmosphere in any ice core is locally derived, not global, and 2) the ice - bubble gas is a proxy for the originating atmosphere, not a direct measurement of that atmosphere.

If one completely ignores any of the above data sets (whether they be direct measurements or proxies), there exist many disparate observations of global warming ranging from the rise in sea level which threatens various nations» lands... which has been either minimal or non-detectable, as opposed to what the AGW fans have been telling us.

Direct satellite measurements since the late 1970s show no net increase in the Sun's output, while at the same time global surface temperatures have increased (see Figure 2).

Recommended by the Earth science decadal survey, SMAP, an active and passive L - band mission to directly measure soil moisture, would provide direct global soil moisture measurements with greater penetration depth.

The study is the first to provide a global estimate of maritime shipping's total contribution to air particle pollution based on direct emission measurements.

Direct measurements of air - sea fluxes are too few to contribute directly to the compilation of the flux field on the global - scale.