Articles | Volume 370
https://doi.org/10.5194/piahs-370-83-2015
https://doi.org/10.5194/piahs-370-83-2015
11 Jun 2015
 | 11 Jun 2015

Effectiveness of Water Infrastructure for River Flood Management: Part 2 – Flood Risk Assessment and Its Changes in Bangladesh

Y. Kwak, M. Gusyev, B. Arifuzzaman, I. Khairul, Y. Iwami, and K. Takeuchi

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Cited articles

BWDB (Bangladesh Water Development Board): Observed river data and reports of 1988, 1998, and 2004 floods, available at: http://www.bwdb.gov.bd, 2014.
Bates, B. C., Kundzewicz, Z. W., Wu, S., and Palutikof, J. P.: Climate Change and Water. Technical. Paper of the Intergovernmental Panel on Climate Change, IPCC Secretariat, Geneva, 210, 2008.
Budhendra, B., Bright, E., Coleman, P., and Urban, M.: the LandScan\textsuperscript\texttrademark USA: a high-resolution geospatial and temporal modeling approach for population distribution and dynamics, GeoJournal, 69, 103–117, https://doi.org/10.1007/s10708-007-9105-9, 2007.
CIESIN (Center for International Earth Science Information Network) Columbia University: Low Elevation Coastal Zone (LECZ) Urban-Rural Population and Land Area Estimates, Version 2. Palisades, NY: NASA Socioeconomic Data and Applications Center (SEDAC), 2013.
Kwak, Y., Takeuchi, K., Fukami, J., and Magome, J.: A new approach to flood risk assessment in Asia-Pacific region based on MRI-AGCM outputs, Hydrol. Res. Lett., 6, 55–60, https://doi.org/10.3178/hrl.6.70, 2012.
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Short summary
This study consists of two parts in the issue of flood change: hazard assessment (Part 1) and risk assessment (Part 2). Part 2 focuses on estimating nationwide flood risk in terms of affected people and rice crop damage due to a 50-year flood hazard and quantifying flood risk changes. The preliminary results show that a tendency of flood risk change strongly depends on the temporal and spatial dynamics of exposure and vulnerability such as distributed population and effectiveness of water infra.