Thread SRTM DEM image and using Landsat 8, a number of thematic maps as data to ArcGIS 10.1 software. From the application of modeling methods floodplain, the project has developed inundation maps NBD in Hai Phong, and the results of calculation shows flooded area in the city was only moderate compared to country . Hai Phong is a metropolis in the whole country with the largest population density, and much agricultural land should though not large flooded area but would also cause a significant impact on people as well as properties.
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