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Perspectives on the Future of Ice Nucleation Research: Research Needs and Unanswered Questions Identified from Two International Workshops

  • Ivan Coluzza
  • , Jessie Creamean
  • , Michel J. Rossi
  • , Heike Wex
  • , Peter Aaron Alpert
  • , Valentino Bianco
  • , Yvonne Boose
  • , Christoph Dellago
  • , Laura Felgitsch
  • , Janine Froehlich-Nowoisky
  • , Hartmut Herrmann
  • , Swetlana Jungblut
  • , Zamin A. Kanji
  • , Georg Menzl
  • , Bruce Moffett
  • , Clemens Moritz
  • , Anke Mutzel
  • , Ulrich Poeschl
  • , Michael Schauperl
  • , Jan Scheel
  • Emiliano Stopelli, Frank Stratmann, Hinrich Grothe (Corresponding author), David G. Schmale (Corresponding author)

Publications: Contribution to journalArticlePeer Reviewed

Abstract

There has been increasing interest in ice nucleation research in the last decade. To identify important gaps in our knowledge of ice nucleation processes and their impacts, two international workshops on ice nucleation were held in Vienna, Austria in 2015 and 2016. Experts from these workshops identified the following research needs: (1) uncovering the molecular identity of active sites for ice nucleation; (2) the importance of modeling for the understanding of heterogeneous ice nucleation; (3) identifying and quantifying contributions of biological ice nuclei from natural and managed environments; (4) examining the role of aging in ice nuclei; (5) conducting targeted sampling campaigns in clouds; and (6) designing lab and field experiments to increase our understanding of the role of ice-nucleating particles in the atmosphere. Interdisciplinary teams of scientists should work together to establish and maintain a common, unified language for ice nucleation research. A number of commercial applications benefit from ice nucleation research, including the production of artificial snow, the freezing and preservation of water-containing food products, and the potential modulation of weather. Additional work is needed to increase our understanding of ice nucleation processes and potential impacts on precipitation, water availability, climate change, crop health, and feedback cycles. 2017 by the authors. Licensee MDPI, Basel, Switzerland.

Original languageEnglish
Article number138
Number of pages28
JournalAtmosphere
Volume8
Issue number8
DOIs
Publication statusPublished - 29 Jul 2017

Funding

The authors thank the many workshop participants for their ideas and constructive criticisms in the development of this document. We also like to thank the Italian Cultural Institute in Vienna (Ernst Kanitz) for hosting both workshops. The workshops were supported in part by contributions to H. Grothe from the ESF research networking Programme on the Micro-Dynamics of Ice (http://microdice.eu/) and the DFG funded Ice Nuclei research UnIT (INUIT, FOR 1525), WE 4722/1-2 (http://www.ice-nuclei.de/the-inuit-project/), and small grants from a number of companies (LH Vakuum Technik-Oerlikon Leybold Vaccum, Pfeiffer Vacuum Austria GmbH, Bruker Austria GmbH, and Droplet Measurement Technologies). Additional support for the workshops was provided to H. Grothe in the form of travel grants through the EGU. I. Coluzza and V. Bianco were supported in part from the Austrian Science Fund (FWF) project P26253-N27. Writing of this manuscript was supported in part by grants to D.G. Schmale through the National Science Foundation (NSF) under Grant Numbers DEB-1241068 (Dimensions: Collaborative Research: Research on Airborne Ice-Nucleating Species (RAINS)) and DGE-0966125 (IGERT: MultiScale Transport in Environmental and Physiological Systems (MultiSTEPS)) and to H. Grothe by the Austrian Research Fund FWF under grant number P26040 (The Ice Nucleation Activity of Carbonaceous Particles). J. Frohlich-Nowoisky and U.Poschl acknowledge support from the Deutsche Forschungsgemeinschaft (DFG, FR3641/1-2, FOR 1525 INUIT). Any opinions, findings, and conclusions or recommendations expressed in this material are those of the authors and do not necessarily reflect the views of the sponsors.

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

  1. SDG 13 - Climate Action
    SDG 13 Climate Action

Austrian Fields of Science 2012

  • 104011 Materials chemistry
  • 103039 Aerosol physics
  • 105208 Atmospheric chemistry

Keywords

  • water
  • ice nucleation
  • precipitation
  • INP
  • IN
  • INM
  • crystal
  • cloud glaciation
  • nucleation sites
  • aging
  • SECONDARY ORGANIC AEROSOL
  • MINERAL DUST PARTICLES
  • IMMERSION FREEZING BEHAVIOR
  • COUNTERFLOW VIRTUAL IMPACTOR
  • MARITIME CUMULIFORM CLOUDS
  • MIXED-PHASE CLOUDS
  • SEA SPRAY AEROSOL
  • PSEUDOMONAS-SYRINGAE
  • ALPHA-PINENE
  • PHYSICOCHEMICAL CHARACTERIZATION
  • Water
  • Precipitation
  • Aging
  • Cloud glaciation
  • Nucleation sites
  • Ice nucleation
  • Crystal

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