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Flood management methods can be structural or non-structural: Structural flood management (i.e: flood control) is the reduction of the effects of a flood using physical solutions, such as reservoirs, levees, dredging and diversions. Non-structural flood management includes land
Flood mitigation is a related but separate concept describing a broader set of strategies taken to reduce flood risk and potential impact while improving resilience against flood events. As climate change has led to increased flood risk an intensity, flood management is an important part of climate change adaptation and climate resilience.
Encroachment along the rivulet and its floodplains has obstructed natural water flow and flood management, worsening the impact of the floods. Key factors contributing to the disaster include the heavy rainfall, which exceeded expected levels, and climate change, which has led to increasingly severe weather events.
An expert panel chaired by senior geoscientist John Matthai of the National Centre for Geosciences (NCG) appointed by the State Disaster Management Authority (SDMA) visited the villages in the impacted area and reported that an uphill heavy rainfall–induced "Dam burst effect" caused the landslide that destroyed the three villages.
A mobile emergency operations center, in this case operated by the Air National Guard. Emergency management (also disaster management) is a science and a system charged with creating the framework within which communities reduce vulnerability to hazards and cope with disasters. [1]
According to the U.S Federal Emergency Management Agency (FEMA), almost 40% of small businesses never reopen their doors following a flooding disaster. [14] In the UK, urban flooding is estimated to cost £270 million a year in England and Wales; 80,000 homes are at risk. [15]
Flood forecasting is the process of predicting the occurrence, magnitude, timing, and duration of floods in a specific area, often by analysing various hydrological, meteorological, and environmental factors. The primary goal of flood forecasting is to deliver timely and accurate information to decision-makers, empowering them to take ...
The 2021 Uttarakhand flood, also known as the Chamoli disaster, [1] began on 7 February 2021 in the environs of the Nanda Devi National Park, a UNESCO World Heritage Site [2] in the outer Garhwal Himalayas in Uttarakhand state, India (Maps 1 and 2). [3] It was caused by a large rock and ice avalanche consisting of material dislodged from Ronti ...