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flux de ruissellement

Discussion in 'French-English Vocabulary / Vocabulaire Français-Anglais' started by retriever gal, Jul 8, 2013.

  1. retriever gal

    retriever gal Senior Member

    SW France
    English (the Queen's)
    Hi folks,

    Not sure exactly what is supposed to be flowing here : the context is about low stone walls used in the Burgundy "Côte d'Or" wine region :

    Leur rôle est essentiel dans la lutte contre l’érosion des sols puisqu’ils contribuent, notamment les murs de soutènement et de terrassement, à fractionner les flux de ruissellement (of what ?; earth, rainfall; natural streams???), à retenir la terre, à réduire les pentes et à ralentir l’écoulement des eaux de pluie.

    Anyone got an idea?

    My try so far :
    The supporting and retaining walls in particular play an essential role in combatting soil erosion because they help to break up the flow (of rainfall or of earth ??), to retain the soil, soften / check the steep slopes and slow the rainwater runoff.
     
  2. Yendred Senior Member

    Paris
    Français - France
    Obviously it refers to the rainwater flow on the soil. ruissellement always refers to liquid.
    If earth was implied, another expression would be used (éboulement, chute, effondrement, etc.)
     
  3. retriever gal

    retriever gal Senior Member

    SW France
    English (the Queen's)
    Ok - why then do they say "à ralentir l'écoulement des eaux de pluie" at the end?? Is that not just repeating what was said before?
    Could this ruissellement refer to natural streams as the location is on hillsides/mountains? It doesn't say so v.confusing...
     
  4. Yendred Senior Member

    Paris
    Français - France
    No there is no repetition, fractionner (break up) is not the same as ralentir (slow).
    The author enumerates the effects of the retaining walls in the struggle against soil erosion:
    1) they break up the water flow into smaller streams.
    2) they retain the soil
    3) they soften the slopes
    4) they slow down the rainwater runoff.
    Of course, all these effects are linked is some way, but they all contribute to the struggle against soil erosion.
     
  5. retriever gal

    retriever gal Senior Member

    SW France
    English (the Queen's)
    OK great thanks - you've been a real help!
     

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