On the maintenance of high tropical cirrus

Matthew T. Boehm, Johannes Verlinde, Thomas P. Ackerman

Research output: Contribution to journalArticle

42 Scopus citations

Abstract

Observations reveal that cirrus clouds are ubiquitous in the tropics and therefore significantly impact the radiation budget in this region. Here numerical studies are conducted using a two-dimensional cloud-resolving model with explicit microphysics to study the processes that lead to the maintenance of tropical cirrus. It is found that despite significant differences in the cloud dynamics among the simulations performed, the model is unable to maintain a cloud against the processes of sedimentation and evaporation under the assumed environmental conditions. It is hypothesized that a source of large-scale upward motion must be present to maintain tropical cirrus.

Original languageEnglish (US)
Article number1999JD900798
Pages (from-to)24423-24433
Number of pages11
JournalJournal of Geophysical Research Atmospheres
Volume104
Issue numberD20
DOIs
StatePublished - Oct 27 1999

All Science Journal Classification (ASJC) codes

  • Geophysics
  • Forestry
  • Oceanography
  • Aquatic Science
  • Ecology
  • Water Science and Technology
  • Soil Science
  • Geochemistry and Petrology
  • Earth-Surface Processes
  • Atmospheric Science
  • Earth and Planetary Sciences (miscellaneous)
  • Space and Planetary Science
  • Palaeontology

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