Preprints
https://doi.org/10.5194/amt-2020-42
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/amt-2020-42
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
27 Mar 2020
Status: this preprint was under review for the journal AMT but the revision was not accepted.
A Phase Separation Inlet for Droplets, Ice Residuals, and Interstitial Aerosols
Libby Koolik
Department of Earth, Atmospheric and Planetary Sciences, Massachusetts Institute of Technology, Cambridge, MA 02139, USA
Department of Civil Environmental Engineering, Massachusetts Institute of Technology, Cambridge, MA 02139, USA
Ramboll, San Francisco, CA 94111, USA
Michael Roesch
Department of Earth, Atmospheric and Planetary Sciences, Massachusetts Institute of Technology, Cambridge, MA 02139, USA
Department of Environmental Systems Science, Swiss Federal Institute of Technology, ETH Zurich, Zurich, 8092, Switzerland
Lesly J. Franco Deloya
Department of Earth, Atmospheric and Planetary Sciences, Massachusetts Institute of Technology, Cambridge, MA 02139, USA
Chuanyang Shen
Department of Earth, Atmospheric and Planetary Sciences, Massachusetts Institute of Technology, Cambridge, MA 02139, USA
Department of Atmospheric and Oceanic Sciences, Peking University, 100871, Beijing, China
A. Gannet Hallar
Department of Atmospheric Sciences, University of Utah, Salt Lake City, UT 84112
Storm Peak Laboratory, Desert Research Institute, Steamboat Springs, CO 8048
Ian B. McCubbin
Storm Peak Laboratory, Desert Research Institute, Steamboat Springs, CO 8048
Daniel J. Cziczo
Department of Earth, Atmospheric and Planetary Sciences, Massachusetts Institute of Technology, Cambridge, MA 02139, USA
Department of Civil Environmental Engineering, Massachusetts Institute of Technology, Cambridge, MA 02139, USA
Department 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.
How to cite. Koolik, L., Roesch, M., Deloya, L. J. F., Shen, C., Hallar, A. G., McCubbin, I. B., and Cziczo, D. J.: A Phase Separation Inlet for Droplets, Ice Residuals, and Interstitial Aerosols, Atmos. Meas. Tech. Discuss. [preprint], https://doi.org/10.5194/amt-2020-42, 2020.
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Libby Koolik et al.
Status: closed
Status: closed
AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment
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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
-
AC2: 'Response to Referee #1', Daniel J. Cziczo, 03 Aug 2020
Status: closed
Status: closed
AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment
- Printer-friendly version
- Supplement
-
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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Short summary
The phaSe seParation Inlet for Droplets icE residuals and inteRstitial aerosols (SPIDER) combines an omni-directional inlet, a Large-Pumped Counterflow Virtual Impactor, a flow tube evaporation chamber, and a Pumped Counterflow Virtual Impactor to separate droplets, ice crystals, and interstitial aerosols for simultaneous sampling. This new inlet for studying mixed-phase clouds is described here, with laboratory verification tests and a deployment at a mountain-top research facility.
The phaSe seParation Inlet for Droplets icE residuals and inteRstitial aerosols (SPIDER)...