Exact(8)
The uncertainty is significantly lower for in situ observations at mountainous sites than that for satellites.
Moreover, direct sampling for the analysis of ultra-trace components such as isotopes is possible at mountainous sites.
Herein, we summarized the findings from past and ongoing field measurements and analyses of atmospheric constituents conducted at mountainous sites across the globe.
Although NMHC concentration ratios are useful indicators of the degree of photochemical processing or aging (e.g., Helmig et al. 2008), such studies have been rarely conducted at mountainous sites.
When using measurements at mountainous sites, it is necessary to consider upslope flow, which often imposes pollution from local anthropogenic sources located in the foothills.
In the Northern Hemisphere, the CO levels observed at mountainous sites increase from the 1950s until the 1980s, and then decrease beginning in the late 1980s.
Similar(52)
The ease of which portable ultrasound machines can be carried almost anywhere allows LUS to be used as a unique assessment tool in respiratory emergencies both at sea, mountainous terrain and even in outer space [114, 116, 207, 208, 209].
Rather, the new destinations are more likely to be in states like West Virginia, Tennessee and Arkansas, landlocked and mountainous, at least in part, but with more temperate climates than the traditional mountain retreats in the northeastern United States and the Rockies.
O'Neal appeared at the door, mountainous as ever, wearing a checkered blazer and a black beret.
The combination of the scope of both Uber's potential impact, and the extent of the engineering hurdles it faces in achieving its aims were what drew Singhal in; he is, after all, a true engineer at heart, and mountainous technical challenges attract skilled engineers like nothing else.
The island is small at only, but mountainous.
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