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Photolysis frequencies for NO2 are modeled for the conditions in urban streets, which are taken into account as canyons with variable height and width. The effect of a street canyon is presented with ...
Actinic flux and O1D photolysis frequencies retrieved from spectral measurements of irradiance at Thessaloniki，Greece
Actinic flux O1D photolysis frequencies irradiance Thessaloniki Greece
2009/3/9
The results of two methods retrieving actinic flux and ozone photolysis frequencies (JO1D), from measurements of irradiance with a Brewer MKIII spectroradiometer are investigated in this paper. The fi...
NO2 and HCHO photolysis frequencies from irradiance measurements in Thessaloniki, Greece
NO2 HCHO photolysis frequencies Thessaloniki
2009/2/11
An empirical approach for the retrieval of nitrogen dioxide (NO2) and formaldehyde (HCHO) photolysis frequencies from measurements of global irradiance is presented in this work. Four months of synchr...
Actinometric measurements of NO2 photolysis frequencies in the atmosphere simulation chamber SAPHIR
Actinometric measurements NO2 photolysis frequencies atmosphere simulation chamber SAPHIR
2009/2/6
The simulation chamber SAPHIR at Forschungszentrum Jülich has UV permeable teflon walls facilitating atmospheric photochemistry studies under the influence of natural sunlight. Because the internal ra...
Model-aided radiometric determination of photolysis frequencies in a sunlit atmosphere simulation chamber
Model-aided radiometric determination photolysis frequencies sunlit atmosphere simulation chamber
2009/1/23
In this work diurnal and seasonal variations of mean photolysis frequencies for the atmosphere simulation chamber SAPHIR at Forschungszentrum Jülich are calculated. SAPHIR has a complex construction w...