Thran E V et al.Neutral air turbulence in the upper atmosphere observed during the Energy BudgetCampaign. Journal of Atmospheric and Terrestrial Physics . 1985Thrane, E. V., O. Andreassen, T. Blix, B. Grandal, A. Brekke, C. R. Philbrick, F. J. Schmidlin, H. U. Widdel, U. von...
1. Cloud cover affects carbon exchange between biota and the atmosphere. Recent studies have demonstrated that an increase in the diffuse radiation fractio... O Urban,K Klem,A Ač,... - 《Functional Ecology》 被引量: 101发表: 2012年 Particulate Organic Carbon Flux to the Arctic Ocean Sea...
In the stratosphere (upper atmosphere), a band of ozone ("the ozone layer") protects us by screening out harmful ultraviolet radiation (high-energy blue light) beaming down from the Sun. At ground level, it's a toxic pollutant that can damage health. It forms when sunlight strikes a ...
THE resistance of the air to a moving object like a satellite causes a steady decrease of the semi-major axis and eccentricity of the orbit. The motion of the satellite grows faster and the satellite itself submerges deeper and deeper into the atmosphere at every revolution. When the satellite...
In this case, above the stratum of S.W. wind there was a layer of N.W. winds, whilst above this a S.W. current was again entered.doi:10.1038/076637a0B. F. E. KEELINGNatureKeeling, B. F. E.: 1907, `Upper Air Research in Egypt', Nature 76, 637....
With the continuous growth of air traffic flow, the hazard of aircraft encountering wake vortex at high altitude is increasing. To identify the hazard area
is that air-density varies with height according to the relation: Open image in new window where 蟻 00 is the density of the air at the height h 00 , H 1 is the scale-height in the case of an isothermal atmosphere and H 2 enables us to take account of the variation of atmospheric...
The evidence to date supports a strong link between the risk of cardiovascular events and all-cause mortality with PM2.5 across a range of exposure levels, including to levels below current regulatory standards, with no ‘safe’ lower exposure levels at the population level. In this comprehensive...
Emissions of greenhouse gases (GHG) that contribute to climate change are often associated with air pollutant emissions that lead to formation of fine particulate matter (PM2.5). PM2.5causes upwards of ~200,000 premature deaths in the U.S. annually and disproportionally harms U.S. racial/ethnic...
created a tool called the Air Quality Index (AQI) to inform the public of the level of air pollution and the risks it can pose to our health. Air quality can change very quickly, and the AQI allows people to stay on top of current air conditions in their area, just like the weather...