risk. The MET It is a way of ensuring people’s office analyses data safety without having to invest in from its weather high cost hard engineering. stations and gives It may not help people who live in flood warnings. areas that are prone to flood. It These warnings are does not stop a flood so insurance publicised via the costs will be high. media so people can warnings are only effective if prepare for a flood. people listen to them and take notice of them. Not everyone has access to social Planting trees (afforestation) Planting trees on More CO2 is absorbed. slopes helps The trees leaves can reduce surface intercept the runoff. rainfall to reduce Animals gain new habitats the flood risk. The Animals could lose grazing land. trees take up water Planting more trees changes the via their roots. appearance of a landscape e.g. less open grass and it could look unnatural. Not 100% effective River restoration This is when the Creates new wetland habitats river that has Looks nice previously been Increase water storage reduces hard engineered is floods downstream. restored in an Expensive – Up to £11 billion. environmentally Lose crops friendly way back to Not 100% effective being a river channel. For example, trees are planted and storage areas are made. An example of a flood management scheme in the UK = Jubilee River Restoration (Windsor) Location and Background
risk. The MET office analyses data from its weather stations and gives flood warnings. These warnings are publicised via the media so people can prepare for a flood. It is a way of ensuring people’s safety without having to invest in high cost hard engineering. It may not help people who live in areas that are prone to flood. It does not stop a flood so insurance costs will be high. warnings are only effective if people listen to them and take notice of them. Not everyone has access to social Planting trees (afforestation) Planting trees on slopes helps intercept the rainfall to reduce the flood risk. The trees take up water via their roots. More CO2 is absorbed. The trees leaves can reduce surface runoff. Animals gain new habitats Animals could lose grazing land. Planting more trees changes the appearance of a landscape e.g. less open grass and it could look unnatural. Not 100% effective River restoration This is when the river that has previously been hard engineered is restored in an environmentally friendly way back to being a river channel. For example, trees are planted and storage areas are made. Creates new wetland habitats Looks nice Increase water storage reduces floods downstream. Expensive – Up to £11 billion. Lose crops Not 100% effective An example of a flood management scheme in the UK = Jubilee River Restoration (Windsor) Location and Background
AQA_GCSE_Geography_Paper_1_Revision_Guide_2018(4).docx