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Development of flood hazard maps of Bangladesh using NOAA-AVHRR images with GIS

Development of flood hazard maps of Bangladesh using NOAA-AVHRR images with GIS Abstract Flood hazard maps were developed using remote sensing (RS) data for the historical event of the 1988 flood with data of elevation height, and geological and physiographic divisions. Flood damage depends on the hydraulic factors which include characteristics of the flood such as the depth of flooding, rate of the rise in water level, propagation of a flood wave, duration and frequency of flooding, sediment load, and timing. In this study flood depth and “flood-affected frequency” within one flood event were considered for the evaluation of flood hazard assessment, where the depth and frequency of the flooding were assumed to be the major determinant in estimating the total damage function. Different combinations of thematic maps among physiography, geology, land cover and elevation were evaluated for flood hazard maps and a best combination for the event of the 1988 flood was proposed. Finally, the flood hazard map for Bangladesh and a flood risk map for the administrative districts of Bangladesh were proposed. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Hydrological Sciences Journal Taylor & Francis

Development of flood hazard maps of Bangladesh using NOAA-AVHRR images with GIS

ISLAM, MD MONIRUL; SADO, KIMITERU
Hydrological Sciences Journal , Volume 45 (3): 19 – Jun 1, 2000
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References (36)

Publisher
Taylor & Francis
Copyright
Copyright Taylor & Francis Group, LLC
ISSN
2150-3435
eISSN
0262-6667
DOI
10.1080/02626660009492334
Publisher site
See Article on Publisher Site

Abstract

Abstract Flood hazard maps were developed using remote sensing (RS) data for the historical event of the 1988 flood with data of elevation height, and geological and physiographic divisions. Flood damage depends on the hydraulic factors which include characteristics of the flood such as the depth of flooding, rate of the rise in water level, propagation of a flood wave, duration and frequency of flooding, sediment load, and timing. In this study flood depth and “flood-affected frequency” within one flood event were considered for the evaluation of flood hazard assessment, where the depth and frequency of the flooding were assumed to be the major determinant in estimating the total damage function. Different combinations of thematic maps among physiography, geology, land cover and elevation were evaluated for flood hazard maps and a best combination for the event of the 1988 flood was proposed. Finally, the flood hazard map for Bangladesh and a flood risk map for the administrative districts of Bangladesh were proposed.

Journal

Hydrological Sciences Journal – Taylor & Francis

Published: Jun 1, 2000

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