2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/131823The Dupree-Weinstock renormalization is used to prove that a reactive closure exists for drift wave turbulence in magnetized plasmas. The result is used to explain recent results in gyrokinetic simulations and is also related to the Mattor-Parker closure. The level of closure is found in terms of applied external sources.Nine pages, 2 figuresPlasma Physicstext