IDENTIFICATION OF INUNDATED AREA USING NORMALIZED DIFFERENCE WATER INDEX (NDWI) ON LOWLAND REGION OF JAVA ISLAND

- Suwarsono (Center for Remote Sensing Application, Indonesian National Institute of Aeronautics and Space (LAPAN))
Jalu Tejo Nugroho (Center for Remote Sensing Application, Indonesian National Institute of Aeronautics and Space (LAPAN))
- Wiweka

International Journal of Remote Sensing and Earth Sciences (IJReSES)
Vol 10, No 2 (2013)

Flood disaster is a major issues due to its frequently events on several areas in Indonesia. Delineation of inundated area caused by flood is needed to support disaster emergency response. The objective of this research was to identify inundated areas using NDWI methos from Landsat TM/ETM+ data on lowland regions of Java island. A pair of the data (before and during the flood) were in each observation areas. Observation areas were selected in several location of lowland regions of Java island where great event of flood occurred during the last decades. The thresholds values of NDWI change were used to separate the flood and non flood areas. The results showed that the extent of inundated area caused by flood on lowland regions can be identifyed and separated based on NDWI variables extracted from Landsat TM/ETM+.