Trends of Hydro-Meteorological Disaster in Uttarakhand, India

Vinay Kumar Pandey; Ajai Mishra

Vinay Kumar Pandey Consultant Geotechnical Engineer, Mumbai, Maharashtra, India.
Ajai Mishra Professor, Department of Geology, University of Lucknow, Lucknow, Uttar Pradesh, India.

Keywords: Hydro-meteorological Disaster, Precipitation, Cloudburst, landslide, flash flood, Greater Himalaya

Abstract

Hydro–Meteorological Disaster (HMD) referred the meteorological as well as geological disaster those happens due to meteorological disaster such as landslide happened due to rainfall, flash flood, cloud burst etc. Peak of disaster always measured in terms of intensity, time duration of event, social-economical losses and losses of human life. As Uttarakhand is a Himalayan state and having different geological setup and climatic condition. Minor change in climatic condition, affected the weather condition in higher altitude of Himalayan region and HMD may take place. Human population & haphazard infrastructure development is also increasing every year at higher altitude of Uttarakhand. To find out the trend of HMD in Uttarakhand, we have done interpretation of last 50 years available HMD in state of Uttarakhand and also tried to get the hazard prone area. Total 10 major HMD was reported in Uttarakhand from 1969 to year 1998 but after that HMD event drastically increases and total 30 events have been observed only in last 10 years 2009 to July 2018. For better understand the trend of HMD, all district of Uttarakhand have been divided into 3 zones according to altitude of Himalaya and with the help of bar chart between HMD event, location zone and time of HMD event in 10 years’ interval. After interpretation concluded the trend of HMD, also find out the badly affected districts of Uttarakhand.

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