A Phase Separation Inlet for Droplets, Ice Residuals, and Interstitial Aerosols
- 1Department of Earth, Atmospheric and Planetary Sciences, Massachusetts Institute of Technology, Cambridge, MA 02139, USA
- 2Department of Civil Environmental Engineering, Massachusetts Institute of Technology, Cambridge, MA 02139, USA
- 3Ramboll, San Francisco, CA 94111, USA
- 4Department of Environmental Systems Science, Swiss Federal Institute of Technology, ETH Zurich, Zurich, 8092, Switzerland
- 5Department of Atmospheric and Oceanic Sciences, Peking University, 100871, Beijing, China
- 6Department of Atmospheric Sciences, University of Utah, Salt Lake City, UT 84112
- 7Storm Peak Laboratory, Desert Research Institute, Steamboat Springs, CO 8048
- 8Department of Earth, Atmospheric and Planetary Sciences, Purdue University, West Lafayette, IN 47907 USA
- 1Department of Earth, Atmospheric and Planetary Sciences, Massachusetts Institute of Technology, Cambridge, MA 02139, USA
- 2Department of Civil Environmental Engineering, Massachusetts Institute of Technology, Cambridge, MA 02139, USA
- 3Ramboll, San Francisco, CA 94111, USA
- 4Department of Environmental Systems Science, Swiss Federal Institute of Technology, ETH Zurich, Zurich, 8092, Switzerland
- 5Department of Atmospheric and Oceanic Sciences, Peking University, 100871, Beijing, China
- 6Department of Atmospheric Sciences, University of Utah, Salt Lake City, UT 84112
- 7Storm Peak Laboratory, Desert Research Institute, Steamboat Springs, CO 8048
- 8Department of Earth, Atmospheric and Planetary Sciences, Purdue University, West Lafayette, IN 47907 USA
Abstract. A new inlet for studying the aerosols and hydrometeor residuals that compose mixed-phase clouds – the phaSe seParation Inlet for Droplets icE residuals and inteRstitial aerosols (SPIDER) – is described here. SPIDER combines an omni-directional inlet, a Large-Pumped Counterflow Virtual Impactor (L-PCVI), a flow tube evaporation chamber, and a Pumped Counterflow Virtual Impactor (PCVI) to separate droplets, ice crystals, and interstitial aerosols for simultaneous sampling. Laboratory verification tests of each individual component and the composite SPIDER system were conducted. SPIDER was deployed to Storm Peak Laboratory (SPL), a mountain-top research facility at 3210 m a.s.l. in the Rocky Mountains, for a three-week field campaign. SPIDER performance as a field instrument is presented with data that demonstrates its capability of separating distinct cloud elements and interstitial aerosol. Possible design improvements of SPIDER are also suggested.
Libby Koolik et al.


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RC1: 'Review of "A Phase Separation Inlet for Droplets, Ice Residuals, and Interstitial Aerosols" by Koolik et al.', Anonymous Referee #3, 28 Apr 2020
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AC1: 'Response to Referee #3', Daniel J. Cziczo, 03 Aug 2020
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AC1: 'Response to Referee #3', Daniel J. Cziczo, 03 Aug 2020
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RC2: 'Review of the paper „A Phase Separation Inlet for Droplets, Ice Residuals, and Interstitial Aerosols“ by L. Koolik et al.', Anonymous Referee #1, 13 May 2020
-
AC2: 'Response to Referee #1', Daniel J. Cziczo, 03 Aug 2020
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AC2: 'Response to Referee #1', Daniel J. Cziczo, 03 Aug 2020


-
RC1: 'Review of "A Phase Separation Inlet for Droplets, Ice Residuals, and Interstitial Aerosols" by Koolik et al.', Anonymous Referee #3, 28 Apr 2020
-
AC1: 'Response to Referee #3', Daniel J. Cziczo, 03 Aug 2020
-
AC1: 'Response to Referee #3', Daniel J. Cziczo, 03 Aug 2020
-
RC2: 'Review of the paper „A Phase Separation Inlet for Droplets, Ice Residuals, and Interstitial Aerosols“ by L. Koolik et al.', Anonymous Referee #1, 13 May 2020
-
AC2: 'Response to Referee #1', Daniel J. Cziczo, 03 Aug 2020
-
AC2: 'Response to Referee #1', Daniel J. Cziczo, 03 Aug 2020
Libby Koolik et al.
Libby Koolik et al.
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