Chemistry and microphysics of polar stratospheric clouds and cirrus clouds

Mark A. Zondlo, Paula K. Hudson, Anthony J. Prenni, Margaret A. Tolbert

Research output: Contribution to journalArticlepeer-review

104 Scopus citations

Abstract

Ice particles found within polar stratospheric clouds (PSCs) and upper tropospheric cirrus clouds can dramatically impact the chemistry and climate of the Earth's atmosphere. The formation of PSCs and the subsequent chemical reactions that occur on their surfaces are key components of the massive ozone hole observed each spring over Antarctica. Cirrus clouds also provide surfaces for heterogeneous reactions and significantly modify the Earth's climate by changing the visible and infrared radiation fluxes. Although the role of ice particles in climate and chemistry is well recognized, the exact mechanisms of cloud formation are still unknown, and thus it is difficult to predict how anthropogenic activities will change cloud abundances in the future. This article focuses on the nucleation, chemistry, and microphysical properties of ice particles composing PSCs and cirrus clouds. A general overview of the current state of research is presented along with some unresolved issues facing scientists in the future.

Original languageEnglish (US)
Pages (from-to)473-499
Number of pages27
JournalAnnual Review of Physical Chemistry
Volume51
DOIs
StatePublished - 2000
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • General Medicine

Keywords

  • Aerosol particle
  • Atmosphere
  • Ice
  • Ozone
  • PSC

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