Delineation of Flood Risk Zones in Hyderabad City: GHMC-West Zone
P. Neeharika Reddi1, Mahesh Ravindranathan2, M. Viswanadham3

1P. Neeharika Reddi, Centre for Spatial Information Technology, JNTU, Hyderabad, India.
2Mr. Mahesh Ravindranathan, Indian Institute of Surveying And Mapping, Survey of India, Uppal, Hyderabad, India.
3Dr.M.Viswanadham, Department of Civil Engineering, JNTU, Hyderabad, India.
Manuscript received on 22 August 2019. | Revised Manuscript received on 05 September 2019. | Manuscript published on 30 September 2019. | PP: 3348-3351 | Volume-8 Issue-11, September 2019. | Retrieval Number: K24600981119/2019©BEIESP | DOI: 10.35940/ijitee.K2460.0981119
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Abstract: Increase in urbanization leading to climate changes and human activities have resulted in flash flood scenarios with varying intensity rainfalls in the city. The uneven distribution of rain fall coupled with Mindless urbanization, encroaching upon and filling up of natural drainage channels and lakes to use the high-value urban land for buildings are the main causes of urban flooding. The built environment of urban areas transforms the natural pervious environment into impervious ground surfaces, inhibiting infiltration. Since water cannot infiltrate into the ground in these urban impervious surfaces, it runs across the surface when it rains and as the surfaces become larger and steeper the speed and quantity of runoff increases.
Keywords: Change detection flash floods, Flood vulnerability, Urbanization
Scope of the Article: Simulation Optimization and Risk Management.