Article

Abstract

• This paper analyzes the temperature, cloud type, and life stage dependencies of phase partitioning in mixed-phase clouds spanning tropics, midlatitudes, and the Arctic, using data from ground-based remote sensing measurements in Alaska and aircraft measurements from three field campaigns. The results show: (1) The liquid fraction in Arctic stratiform clouds decreased from 1 to 0.6 between 0 °C and −30 °C and was lower in spring because of the higher dust occurrence in Barrow, Alaska; (2) In wintertime orographic clouds, the liquid fraction was greater than 0.8; (3) Phase partitioning in convective clouds varied significantly with life stages. In the developing stage, it decreased from 1 to 0.3 between −5 °C and −15 °C, indicating rapid ice generation, while at the mature and dissipating stages, the liquid fractions were lower; (4) The stratiform regions of mesoscale convective systems were dominated by ice, with liquid fractions lower than 0.2; and (5) The variability of phase partitioning varied for different cloud types. In stratiform clouds, liquid dominated at warm temperatures. As the temperature decreased, an ice-dominated region was more frequently observed, while the occurrence of the mixed-phase region remained low. For convective clouds, the variability of phase partitioning was controlled by continuous glaciation with decreasing temperature and life cycle.

Creator

• Zhang, Damao
• Zhang, Yue
• Wang, Zhien
• Yang, Jing

Date Issued

• 2022

Academic Affiliation

• Atmospheric and Oceanic Sciences (ATOC)

Journal Title

• Remote Sensing Journal

Journal Issue/Number

• 6

Journal Volume

• 14

Last Modified

• 2024-11-23

Resource Type

• Article

Rights Statement

• In Copyright

DOI

•  https://doi.org/10.3390/rs14061431

ISSN

• 2072-4292

Language

• English [eng]

License

• Creative Commons BY Attribution 4.0 International

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