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Observation of nitrate coatings on atmospheric mineral dust particles
nitrate coatings atmospheric mineral dust particles
2009/3/31
Nitrate compounds have received much attention because of their ability to alter the hygroscopic properties and cloud condensation nuclei (CCN) activity of mineral dust particles in the atmosphere. Ho...
Ice nucleation by surrogates for atmospheric mineral dust and mineral dust/sulfate particles at cirrus temperatures
Ice nucleation atmospheric mineral dust mineral dust/sulfate particles cirrus temperatures
2009/2/18
This study examines the potential role of some types of mineral dust and mineral dust with sulfuric acid coatings as heterogeneous ice nuclei at cirrus temperatures. Commercially-available nanoscale p...
The heterogeneous chemical kinetics of N2O5 on CaCO3 and other atmospheric mineral dust surrogates
heterogeneous chemical kinetics N2O5 CaCO3 atmospheric mineral dust surrogates
2009/1/6
Uptake experiments of N2O5 on several mineral dust powder samples were carried out under continuous molecular flow conditions at 298±2 K. At [N2O5]0=(4.0±1.0)×1011 cm−3 we have found γss values ...
Alignment of atmospheric mineral dust due to electric field
Alignment of atmospheric mineral dust electric field
2008/12/29
Optical polarimetry observations on La Palma, Canary Islands, during a Saharan dust episode show dichroic extinction indicating the presence of vertically aligned particles in the atmosphere. Modellin...