A Universal Multifractal-based approach to Model Pore Size Distribution, Water Retention and Hydraulic Conductivity of Granular Green Roof Substrates

Arun Ramanathan S1, Pierre-Antoine Versini1, Daniel J M Schertzer2, Ioulia Tchiguirinskaia1, Remi Perrin3 and Lionel Sindt3, (1)Ecole Nationale des Ponts et Chaussées, Hydrologie Météorologie et Complexité (HM&Co), Champs-sur-Marne, France, (2)U. Paris-Est, Marne La Vallee Cx 2, France, (3)SOPREMA, Strasbourg, France