WITH open green space of only one-fifteenth of the total land area, Jakarta is often inundated by rain. Meanwhile the volume of water flooding in from the south of the city is also growing. Because open areas have a variety of functions, it is not just floods that have become a ritual of disasters in the capital city.

Yosep Suprayogi

RATU JAYA UPSTREAM DAM

Threat from the South AS a result of the destruction of water catchment areas, 75 per