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Long term measurements of sulfur dioxide, nitrogen dioxide, ammonia, nitric acid and ozone in Africa using passive samplers
sulfur dioxide nitrogen dioxide ammonia nitric acid ozone Africa passive samplers
2010/8/16
In this paper we present the long term monitoring of ambient gaseous concentrations within the framework of the IDAF (IGAC-DEBITS-AFRICA) program. This study proposes for the first time an analysis of...
Improvements in the profiles and distributions of nitric acid and nitrogen dioxide with the LIMS version 6 dataset
nitric acid nitrogen dioxide the LIMS version 6 dataset
2010/8/13
The quality of the Nimbus 7 Limb Infrared Monitor of the Stratosphere (LIMS) nitric acid (HNO3) and nitrogen dioxide (NO2) profiles and distributions of 1978/1979 are described after their processing ...
Retrieval of nitrogen dioxide stratospheric profiles from ground-based zenith-sky UV-visible observations: validation of the technique through correlative comparisons
nitrogen dioxide zenith-sky UV-visible
2009/3/9
A retrieval algorithm based on the Optimal Estimation Method (OEM) has been developed in order to provide vertical distributions of NO2 in the stratosphere from ground-based (GB) zenith-sky UV-visibl...
Evaluation of nitrogen dioxide chemiluminescence monitors in a polluted urban environment
nitrogen dioxide chemiluminescence monitors polluted urban environment
2008/12/10
Data from a recent field campaign in Mexico City are used to evaluate the performance of the EPA Federal Reference Method for monitoring the ambient concentrations of NO2. Measurements of NO2 from st...