Articles | Volume 17, issue 1
https://doi.org/10.5194/amt-17-235-2024
https://doi.org/10.5194/amt-17-235-2024
Research article
 | 
15 Jan 2024
Research article |  | 15 Jan 2024

A new power-law model for μ–Λ relationships in convective and stratiform rainfall

Christos Gatidis, Marc Schleiss, and Christine Unal

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Cited articles

Bringi, V. N. and Chandrasekar, V.: Polarimetric Doppler Weather Radar: Principles and Applications, Cambridge University Press, https://doi.org/10.1017/CBO9780511541094, 2001. a
Bringi, V. N., Chandrasekar, V., Hubbert, J., Gorgucci, E., Randeu, W. L., and Schoenhuber, M.: Raindrop Size Distribution in Different Climatic Regimes from Disdrometer and Dual-Polarized Radar Analysis, J. Atmos. Sci., 60, 354–365, https://doi.org/10.1175/1520-0469(2003)060<0354:RSDIDC>2.0.CO;2, 2003. a, b, c, d
Chen, B., Wang, J., and Gong, D.: Raindrop Size Distribution in a Midlatitude Continental Squall Line Measured by Thies Optical Disdrometers over East China, J. Appl. Meteorol. Clim., 55, 621–634, https://doi.org/10.1175/JAMC-D-15-0127.1, 2016. a
Chu, Y.-H. and Su, C.-L.: An Investigation of the Slope–Shape Relation for Gamma Raindrop Size Distribution, J. Appl. Meteorol. Clim., 47, 2531–2544, https://doi.org/10.1175/2008JAMC1755.1, 2008. a
Friedrich, K., Higgins, S., Masters, F. J., and Lopez, C. R.: Articulating and Stationary PARSIVEL Disdrometer Measurements in Conditions with Strong Winds and Heavy Rainfall, J. Atmos. Ocean. Tech., 30, 2063–2080, https://doi.org/10.1175/JTECH-D-12-00254.1, 2013a. a
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 provides a better physical interpretation of the relationship coefficients.