Sentences with phrase «relatively high ozone»

At the root of the problem is reduced night jet activity and relatively high ozone levels (yes high) over Antarctica.

Not exact matches

The reflectance is normalized to one; the relatively high continuum and the presence of water vapor, oxygen, and ozone at visible wavelengths are relevant.

Because the active region of convective clouds is located relatively in the eastern Pacific sector during El Niño events, it is suggested that the stronger upwelling and the higher tropopause associated with the convective cloud activity bring about less total ozone.»

The positive SAM trend, implying lower pressures over the polar latitudes and relatively higher pressures over mid-latitudes, has been most pronounced in the austral summer and autumn, and has been attributed to forcing by stratospheric ozone depletion, and to a lesser extent, increases in greenhouse gasses (e.g. Arblaster and Meehl 2006).

The spatial patterns of RFs for non-LLGHGs (ozone, aerosol direct and cloud albedo effects, and land use changes) have considerable uncertainties, in contrast to the relatively high confidence in that of the LLGHGs.

In several cities with relatively low ground level ozone, the increase in premature death was greater than the premature mortality of cities with high levels of ground level ozone.

Not surprisingly, highly populated regions such as the Los Angeles, Riverside and Houston areas, where the climate is sunny for much of the year and the air mass is relatively stable, had the highest average concentrations of ozone, ranging from 62.5 to 104 ppb.