Kockázat csökkentő intézkedések eszköz

100 KOCKÁZAT CSÖKKENTŐ INTÉZKEDÉS

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Sequential sedimentation and biofiltration systems-image

Sequential sedimentation and biofiltration systems

  • Description
  • Fields of action
  • Synergies
  • Good practice examples
  • References

Such systems consist of a variety of a hydrophyte treatment plants for eco-hydrological regulation. They are structured in three zones: a zone for intensive sedimentation (in which a combination of fixed and portable structures modifies the hydrodynamics of the chamber and increases sedimentation); another zone for intensive biogeochemical processes (where thick limestone fractions capture phosphorus compounds); and a third zone for biofiltration (for the removal of biogenic compounds using macrophytes). The zones are separated from each other by gabions from thick gravel, which additionally filter water.

Fields of action Watercourses
Synergies may exist between heavy rain risk management measures and other development goals like environmental protection, health care, and economic performance. Harnessing them requires involvement of different actors, enforcement of exchange between you and them and holistic thinking.

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Sabine Scharfe, Saxon State Office for Environment, Agriculture and Geology