Factors Affecting Flood Risk

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Across
  1. 2. (PHYSICAL) level of __ in mm
  2. 6. (HUMAN) farming often requires deforestation, and unused fields increase __ __-__
  3. 8. (PHYSICAL) frequency of precipitation - how __ is the precipitation
  4. 9. (HUMAN) high urban land use: paving in gardens prevents __ due to impermeable surfaces
Down
  1. 1. (PHYSICAL) slope __ increases surface run-off letting water get to the river quicker
  2. 3. (HUMAN) deforestation: trees infiltrate rainfall (slowing lag time) and store rainwater in their __ so roots cannot soak up water.
  3. 4. (PHYSICAL) Examples of impermeable of rock include Granite and __
  4. 5. (PHYSICAL) g__ - impermeable rock means that water cannot infiltrate into and be absorbed by the rock.
  5. 7. (HUMAN) building on __: rivers will naturally flood on __, and in turn will flood buildings built on __ too.