EntityQ2151066· pop 7· linked from 29 articlesRichards equationSign in to savenon-linear partial differential equation that represents the movement of water in unsaturated soilsConnectionsdifferential equationEntitydigital object identifierEntityInternational Standard Serial NumberEntityconservation of massEntitybibcodeEntitytensorEntityaquiferEntitypartial differential equationEntitydivergenceEntityisotropyEntitychain ruleEntityQ22908627EntityLewis Fry RichardsonEntityinfiltrationEntityvadose zoneEntitywater contentEntitysoil typeEntityhydraulic conductivityEntityaspect ratioEntitydiscretizationEntityCategoriesHydrologyPartial differential equationsSoil physics