Inundation mapping using time series sattelite images

Jung Hyun Choi, Nguyen Van Trung, Joong Sun Won

Research output: Chapter in Book/Report/Conference proceedingConference contribution

1 Citation (Scopus)

Abstract

Flood hazard mapping is a basic tool for flood preparedness and mitigation activities, including flood insurance programs. For natural disaster management, it is necessary to monitor continuously. However, monitoring flood area is very difficult due to poor accessibility and lack of gauge data. Remote sensing can provide large spatial coverage and nonintrusive measurement over the surface. Study area is the Tonle Sap Lake, along with the Tonle Sap River, forms a unique hydrological system due to monsoon climate. The reverse flow of the Tonle Sap River during wet season results in intensive flooding that enlarges the lake over vast floodplain and wetland where covered with forests, shrubs, etc. The aim of this research is to generate inundation map using time series satellite image data (ALOS PALSAR and MODIS). We used InSAR coherence map for analysis of flood areas. And we detected inundation areas using GVMI (Global Vegetation Moisture Index) from MODIS image. The total flooded areas during wet season were effectively mapped by coherence maps and GVMI threshold.

Original languageEnglish
Title of host publication2011 3rd International Asia-Pacific Conference on Synthetic Aperture Radar, APSAR 2011
Pages837-839
Number of pages3
Publication statusPublished - 2011 Dec 22
Event2011 3rd International Asia-Pacific Conference on Synthetic Aperture Radar, APSAR 2011 - Seoul, Korea, Republic of
Duration: 2011 Sep 262011 Sep 30

Other

Other2011 3rd International Asia-Pacific Conference on Synthetic Aperture Radar, APSAR 2011
CountryKorea, Republic of
CitySeoul
Period11/9/2611/9/30

Fingerprint

time series
Time series
natural disaster
Lakes
Flood insurance
Moisture
Rivers
Wetlands
river
Disasters
Gages
Remote sensing
Hazards
Satellites
wetland
insurance
Monitoring
coverage
climate
monitoring

All Science Journal Classification (ASJC) codes

  • Computer Networks and Communications
  • Communication

Cite this

Choi, J. H., Van Trung, N., & Won, J. S. (2011). Inundation mapping using time series sattelite images. In 2011 3rd International Asia-Pacific Conference on Synthetic Aperture Radar, APSAR 2011 (pp. 837-839). [6086940]
Choi, Jung Hyun ; Van Trung, Nguyen ; Won, Joong Sun. / Inundation mapping using time series sattelite images. 2011 3rd International Asia-Pacific Conference on Synthetic Aperture Radar, APSAR 2011. 2011. pp. 837-839
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abstract = "Flood hazard mapping is a basic tool for flood preparedness and mitigation activities, including flood insurance programs. For natural disaster management, it is necessary to monitor continuously. However, monitoring flood area is very difficult due to poor accessibility and lack of gauge data. Remote sensing can provide large spatial coverage and nonintrusive measurement over the surface. Study area is the Tonle Sap Lake, along with the Tonle Sap River, forms a unique hydrological system due to monsoon climate. The reverse flow of the Tonle Sap River during wet season results in intensive flooding that enlarges the lake over vast floodplain and wetland where covered with forests, shrubs, etc. The aim of this research is to generate inundation map using time series satellite image data (ALOS PALSAR and MODIS). We used InSAR coherence map for analysis of flood areas. And we detected inundation areas using GVMI (Global Vegetation Moisture Index) from MODIS image. The total flooded areas during wet season were effectively mapped by coherence maps and GVMI threshold.",
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Choi, JH, Van Trung, N & Won, JS 2011, Inundation mapping using time series sattelite images. in 2011 3rd International Asia-Pacific Conference on Synthetic Aperture Radar, APSAR 2011., 6086940, pp. 837-839, 2011 3rd International Asia-Pacific Conference on Synthetic Aperture Radar, APSAR 2011, Seoul, Korea, Republic of, 11/9/26.

Inundation mapping using time series sattelite images. / Choi, Jung Hyun; Van Trung, Nguyen; Won, Joong Sun.

2011 3rd International Asia-Pacific Conference on Synthetic Aperture Radar, APSAR 2011. 2011. p. 837-839 6086940.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

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N2 - Flood hazard mapping is a basic tool for flood preparedness and mitigation activities, including flood insurance programs. For natural disaster management, it is necessary to monitor continuously. However, monitoring flood area is very difficult due to poor accessibility and lack of gauge data. Remote sensing can provide large spatial coverage and nonintrusive measurement over the surface. Study area is the Tonle Sap Lake, along with the Tonle Sap River, forms a unique hydrological system due to monsoon climate. The reverse flow of the Tonle Sap River during wet season results in intensive flooding that enlarges the lake over vast floodplain and wetland where covered with forests, shrubs, etc. The aim of this research is to generate inundation map using time series satellite image data (ALOS PALSAR and MODIS). We used InSAR coherence map for analysis of flood areas. And we detected inundation areas using GVMI (Global Vegetation Moisture Index) from MODIS image. The total flooded areas during wet season were effectively mapped by coherence maps and GVMI threshold.

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Choi JH, Van Trung N, Won JS. Inundation mapping using time series sattelite images. In 2011 3rd International Asia-Pacific Conference on Synthetic Aperture Radar, APSAR 2011. 2011. p. 837-839. 6086940