قارن الطرق

	الفيزياء المجهرية الطيفية	نظرية كولر	نموذج WRF
المجال	علم الأرصاد الجوية	علم الأرصاد الجوية	علم الأرصاد الجوية
العائلة	Process / pipeline	Process / pipeline	Process / pipeline
سنة النشأة	1999	1936	2000
صاحب الطريقة	Khain, Ovtchinnikov	Hilding Kohler	Skamarock and Klemp
النوع	Explicit particle size distribution model	Thermodynamic equilibrium framework	Atmospheric simulation system
المصدر التأسيسي	Khain, A. P., Ovtchinnikov, M., Pinsky, M., Pokrovsky, A., & Krugliak, H. (2000). Notes on the state-of-the-art numerical modeling of cloud microphysics. Atmospheric Research, 55(3–4), 159-224.	Köhler, H. (1936). The nucleus in and the growth of hygroscopic droplets. Transactions of the Faraday Society, 32, 1152-1161.	Skamarock, W. C., Klemp, J. B., Dudhia, J., et al. (2008). A Description of the Advanced Research WRF Version 3. NCAR Technical Note NCAR/TN-475+STR.
الأسماء البديلة	Bin microphysics, Spectral microphysics, Explicit microphysics	Kohler theory, Kohler equilibrium, Cloud droplet nucleation	Weather Research and Forecasting, WRF, ARW, NMM
ذات صلة	3	3	4
الملخص	Spectral bin microphysics is a detailed cloud microphysical modeling approach that explicitly represents the particle size distribution (PSD) by dividing particles into discrete size bins. Rather than assuming a fixed shape for the PSD, bin models track the number and mass of particles in each size category, allowing detailed simulation of cloud and precipitation processes.	Köhler theory is a foundational framework in cloud microphysics that predicts the equilibrium supersaturation required for an aerosol particle of given size and composition to grow into a cloud droplet. Published in 1936 by Hilding Köhler, it combines the Kelvin effect (vapor pressure enhancement over curved surfaces) with the Raoult effect (vapor pressure depression from dissolved solute) to explain cloud droplet formation.	The Weather Research and Forecasting (WRF) model is a mesoscale atmospheric simulation system used for weather forecasting, research, and climate applications. Developed cooperatively by NCAR, NOAA, and academic institutions, WRF became operational in 2004 and has become one of the most widely used atmospheric models worldwide.