16 Aug 2021

16 Aug 2021

Review status: this preprint is currently under review for the journal ACP.

Constant Flux Layers with Gravitational Settling: with links to aerosols, fog and deposition velocities over water

Peter Allan Taylor Peter Allan Taylor
  • Centre for Research in Earth and Space Science, York University, Toronto, M3J 1P3, Canada

Abstract. Turbulent boundary layer concepts of constant flux layers and surface roughness lengths are extended to include the effects of gravitational settling. These impact vertical profiles and surface deposition of aerosols, including fog droplets, especially over water. Simple profile solutions are possible in neutral and stably stratified atmospheric surface boundary layers.

Peter Allan Taylor

Status: final response (author comments only)

Comment types: AC – author | RC – referee | CC – community | EC – editor | CEC – chief editor | : Report abuse
  • RC1: 'Comment on acp-2021-594', Anton Beljaars, 03 Sep 2021
    • AC1: 'Reply on RC1', Peter A. Taylor, 11 Oct 2021
  • RC2: 'Comment on acp-2021-594', Anonymous Referee #2, 28 Sep 2021
    • AC2: 'Reply on RC2', Peter A. Taylor, 11 Oct 2021

Peter Allan Taylor

Peter Allan Taylor


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Short summary
Atmospheric aerosols including fog droplets can deposit on the ground or on water surfaces. This is due to both gravitational settling and turbulent impaction. A simple model of this combined process is developed based on conventional atmospheric boundary later ideas.