What are five causes of floods?
What Causes a Flood?
- Heavy rainfall.
- Ocean waves coming on shore, such as a storm surge.
- Melting snow and ice, as well as ice jams.
- Dams or levees breaking.
What is causing the heavy rains in Kenya?
The OND 2019 seasonal rains were linked to a positive Indian Ocean Dipole (IOD). This confirms the reason for the normal rainfall that was recorded in several weather stations in Kenya during OND 2019 that recorded the highest IOD index ever observed.
What caused the East Africa floods?
They began when excessive rains began falling in March 2018 following a year of severe drought, leading to massive flooding, landslides, and the failure and overflow of several dams. Record rainfall was recorded in several areas, surpassing various records set during the 1950s and during the 1997–98 El Niño event.
How can floods be prevented?
Floods can be controlled by redirecting excess water to purpose-built canals or floodways, which in turn divert the water to temporary holding ponds or other bodies of water where there is a lower risk or impact to flooding.
What are the man made causes of flood?
What human factors contribute to flooding?
- Land-use activities such as urbanization increase run-off volume and rate,
- Occupation of the flood plain obstructing flows,
- Structural flood control measures such as embankments in the upstream,
What are the impacts of flooding in East Africa?
The effects of recent flash floods have been devastating. People have lost their homes, livelihoods and family members. Ongoing seasonal rainfalls have led to lethal flash floods in Ethiopia, Kenya, and Somalia. This flooding has affected over 1 million people so far.
Where are the floods in Kenya?
By 23 April, over 25,000 people had been didaplced according to the Red Cross. Further heavy rainfall from 08 May has worsened the situation, with flooding reported in Kakamega, Turkana, Homa Bay, Baringo, Busia, Siaya and Kisumu counties.