| From September 25 - 26、2009、Typhoon #16 (Ondoy) struck southwest Luzon in the Philippines. Flood disasters caused by this heavy rainfall affected 872、097 people hroughout the entire metropolitan area、causing 241 fatalities、394 injuries、and damaging 65、521 buildings (of which 12、563 were completely destroyed). Infrastructure d a m a g e s ( n o t i n c l u d i n g a g r i c u l t u r a l l o s s e s ) a m o u n t e d t o 5 7 0 、1 8 7 、5 8 7 P h i l i p p i n e p e s o s ( N D C C 、2 0 0 9 a ) . We investigated the great urban flood disaster that occurred in the megacities of the developing country、which are expected to grow to a population of 25 million by 2015. The conditions caused by runoff、flooding、and damages as well as mitigation measures relating to the hydrological conditions、land environments、and social economic onditions in the Philippines are reported based on field investigations and interviews with related parties. |
