Preprints
https://doi.org/10.5194/amt-2023-155
https://doi.org/10.5194/amt-2023-155
03 Aug 2023
 | 03 Aug 2023
Status: a revised version of this preprint was accepted for the journal AMT and is expected to appear here in due course.

μ-Λ relationships for convective and stratiform rainfall in the Netherlands

Christos Gatidis, Marc Schleiss, and Christine Unal

Abstract. In this study, we take a closer look at the important issue of μ-Λ relationships in raindrop size distributions (DSD) by conducting a systematic analysis of twenty months of rainfall data in the Netherlands. A new power-law model for representing μ-Λ relationships based on double normalization framework is proposed and used to derive separate μ-Λ relationships for stratiform and convective rain events. The sensitivity of the obtained relationships to measurement uncertainty is studied by applying two different quality control filters based on the mass-weighted mean drop diameter (Dm) and liquid water content (LWC). Our results show that there are significant differences in μ-Λ relationships between convective and stratiform rainfall types. However, the retrieved relationships appear to be quite robust to measurement noise and there is a good agreement with other reference relations for similar climatological conditions.

Christos Gatidis et al.

Status: closed

Comment types: AC – author | RC – referee | CC – community | EC – editor | CEC – chief editor | : Report abuse
  • RC1: 'Comment on amt-2023-155', Anonymous Referee #1, 20 Sep 2023
    • AC1: 'Reply on RC1', Christos Gatidis, 10 Nov 2023
  • RC2: 'Comment on amt-2023-155', Anonymous Referee #2, 14 Oct 2023
    • AC2: 'Reply on RC2', Christos Gatidis, 10 Nov 2023

Status: closed

Comment types: AC – author | RC – referee | CC – community | EC – editor | CEC – chief editor | : Report abuse
  • RC1: 'Comment on amt-2023-155', Anonymous Referee #1, 20 Sep 2023
    • AC1: 'Reply on RC1', Christos Gatidis, 10 Nov 2023
  • RC2: 'Comment on amt-2023-155', Anonymous Referee #2, 14 Oct 2023
    • AC2: 'Reply on RC2', Christos Gatidis, 10 Nov 2023

Christos Gatidis et al.

Christos Gatidis et al.

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Short summary
A common method to retrieve important information about the microphysical structure of rain (DSD retrievals) requires a constrained relationship between the drop size distribution parameters. The most widely accepted empirical relationship is between μ and Λ. The relationship shows variability across the different types of rainfall (convective or stratiform). The new proposed power-law model to represent the μ-Λ relation provide a better physical interpretation of the relationship coefficients.