Floods

• Rivers overflow their banks during flooding.
• Flooding can be caused by heavy rainfall, snowmelt, or storm surges.
• The flood season is from June to September.
• A floodplain is an area adjacent to a river or stream where there has been regular flooding.
• The water level rises above the normal river bed, causing it to spill over onto the surrounding land.
• Floodplains are areas that flood when rivers overflow their banks.
• Typhoon Ketsana (Ondoy) was one of the most destructive typhoons in Philippine history, causing widespread damage and loss of life in 2009.
• Mitigation measures include building levees, constructing drainage systems, and implementing land use planning policies.
• During the monsoon season, there are more than 20 typhoons that hit the Philippines annually.
• Human activities such as deforestation, urbanization, and construction of dams have contributed to increased risk of flooding.
• The impact of floods on the environment includes soil erosion, loss of vegetation, and damage to wildlife habitats.
• Floods are when a river overflows it's banks caused after a heavy rainfall or a rapid snowmelt
• Rock and soil types, very wet soils and steep slopes cause flooding
• Human causes of flooding are urbanisation and deforestation.
• The physical causes are snow melts, heavy rainfall, steep slopes
• Biomes are different regions of our planet that have different animals, plants and climate. They are a grouping of terrestrial ecosystems on a given continent.
• The six terrestrial biomes are dessert,grassland, tundra, deciduous forest, boreal forest, tropical rainforest
• Factors influencing the distribution of torrential biomes are ocean currents,pressure belts, latitude, altitude and distance from the sea