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Atmospheric aerosol particle samples were collected using an Ambient Eight Stage (Non-Viable) Cascade Impactor Sampler in a typical urban area of Beijing from 27th Sep. to 5th Oct., 2009. The surface chemistry of these aerosol particles was analyzed using Static Time of Flight-Secondary Ion Mass Spectrometry (Static TOF-SIMS). The factors influencing surface compositions were evaluated in conjunction...
Slant water vapor (SWV) measurements from a ground-based global positioning system (GPS) instrument can provide accurate, high temporal-resolution and multi-directional water vapor information for moisture variation analysis. In this study, the preliminary comparison for GPS SWV measurements against water vapor radiometer (WVR) shows that GPS SWV measurements are accurate. We compared vertical SWV...
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