Tsunami attenuation by coastal vegetation was examined under laboratory conditions for mature mangroves <i>Rhizophora</i> sp. The developed novel tree parameterization concept. accounting for both bio-mechanical and structural tree properties. allowed to substitute the complex tree structure by a simplified tree model of identical hydraulic resistance. https://www.roneverhart.com/Ryukyu-Kobujutsu-Buki-Jutsu-Vol-2-DVD-with-Kiyoshi-Yogi/