59 datasets found

International audience

This thesis focused on the southern Indian Ocean area and contributed to improve our scientific knowledge on the origin of polluted air masses, on their spatial...

We investigated in rat the effects of ozone exposure (0.7ppm) for 5h on the catecholamine biosynthesis and turnover in sympathetic efferents and various brain areas....

The ozone isotopic anomaly observed in early 1980s has been the first occurance of mass independent fractionation of chemical origin. Assigned first, essentially to...

Nitrate ions (NO3-) found in Antarctic snows stem from the degradation of nitrogen oxydes (NOx = NO + NO2) in the atmosphere. At sites with low snow accumulation rates...

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Tropospheric ozone is a major secondary pollutant. In addition to its role in greenhouse effect gas, ozone is one of the most toxic air pollutants, and its pollution...

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The important increase in worldwide population identified during the last century led to a human migration toward urban areas. As a consequence, 50 high populated...

The aim of this study is to analyse the vertical structure of the low troposphere during the ESCOMPTE campaign in relation with transport and diffusion of pollutants....

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Accurate determination of absolute absorption cross sections for molecules of atmospheric interest is crucial for retrieving molecular concentrations from remote...

Optical measurements of atmospheric minor constituents are carried using spectrometers working in different spectral ranges by ground, air or satellite instruments....

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Cette coupole abrite un spectro-photomètre Dobson mis en oeuvre au Centre de Recherches Atmosphériques (CRA) de Lannemezan, chaque fois que les conditions...

photo de la plateforme d'Aérologie du Pic du Midi

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