Flash Flood in Himalayan Region of Uttrakhand (A Case Study of Kedarnath Flood 2013 and Rishi Ganga Flash Flood, Reini Village 2021)

Abstract

The climate change significantly affect the glacial of Himalayan region. The flash floods are one of the most perilous climate-related disastrous events in the Himalayan region. Such floods grow under six hours after the rainfall that prompted risky circumstances for individuals and cause loss of life, property and environment. Just about seven years after such flash floods attacked the Kedarnath valley in Uttarakhand, around 5000 individuals were killed, and the scientists have cautioned that conditions were creating for a comparative misfortune going to happen in the district again. The cloudburst situation on every next day had occurred mainly in the Uttarakhand caused decimating floods and landslides turning into the nation’s most exceedingly awful natural disaster event since the tsunami in the year of 2004, which was about 375% more than the benchmark rainfall during an ordinary rainstorm. Aside from the social, political, and affordable misfortunes, such natural disasters adjust the prior landscape of Kedarnath region. This paper provided the satellite data for the year 2007, 2013, and 2019. The information and data are compared with before the event of the flash flood and after the flash flood and its impact caused alongside. The comparative analysis have also been carried out by using the GIS and Remote Sensing techniques by comparing before and after flash flood event.