The counterflow virtual impactor (CVI) inlet separates out and samples particle residuals inside cloud and fog droplets via inertial impaction for in-cabin aerosol instrumentation to measure. The cut size for the Gulfstream-159 CVI inlet is 13 microns. During flight, the AAF on-board scientist determines when to switch between the isokinetic inlet (designed for clear air sampling) and the CVI inlet based on real time cloud sampling information. This dataset contains house keeping data relating to the performance of the inlet as well as a sampling flag for the user to determine what inlet cabin instrumentation were sampling from during the flight. CVI inlet data from campaigns prior to 2016 can be found as ARM data-sources with the name CVI-AIR or CVI.
inletcvi-air > Inlet for Counterflow Virtual Impactor aboard aircraftInstrument Type(s) > Baseline • Guest
Primary Derived Measurements
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Zawadowicz M, K Suski, J Liu, M Pekour, J Fast, F Mei, A Sedlacek, S Springston, Y Wang, R Zaveri, R Wood, J Wang, and J Shilling. 2021. "Aircraft measurements of aerosol and trace gas chemistry in the eastern North Atlantic." Atmospheric Chemistry and Physics, 21(10), 10.5194/acp-21-7983-2021.
Varble A, S Nesbitt, P Salio, J Hardin, N Bharadwaj, P Borque, P DeMott, Z Feng, T Hill, J Marquis, A Matthews, F Mei, R Öktem, V Castro, L Goldberger, A Hunzinger, K Barry, S Kreidenweis, G McFarquhar, L McMurdie, M Pekour, H Powers, D Romps, C Saulo, B Schmid, J Tomlinson, S van den Heever, A Zelenyuk, Z Zhang, and E Zipser. 2021. "Utilizing a Storm-Generating Hotspot to Study Convective Cloud Transitions: The CACTI Experiment." Bulletin of the American Meteorological Society, 102(8), 10.1175/BAMS-D-20-0030.1.
Goldberger LA, F Mei, J Hubbe, and CD Kluzek. 2020. Navigation and Meteorological Data from Multiple Sensors on Airborne Platform (NAVMET-AIR) Value-Added Product Report. Ed. by Robert Stafford, ARM user facility. DOE/SC-ARM-TR-255. 10.2172/1671342.
Goldberger LA, MS Pekour, and JM Hubbe. 2020. Counterflow Virtual Impactor (CVI) Inlet Aboard Aircraft (INLETCVI-AIR) Instrument Handbook. Ed. by Robert Stafford, ARM user facility. DOE/SC-ARM-TR-254. 10.2172/1671315.
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