ANALISIS KEJADIAN CURAH HUJAN EKSTREM DI PULAU SUMATERA BERBASIS DATA SATELIT TRMM DAN OBSERVASI PERMUKAAN [ANALYSIS OF EXTREME RAINFALL EVENTS OVER THE SUMATERA ISLAND BASED ON TRMM SATELLITE DATA AND SURFACE OBSERVATION] - Marpaung, Sartono (Lembaga Penerbangan dan Antariksa Nasional, 2013)