TERMIUM Plus®

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WATER ACIDIFICATION [1 record]

Record 1 2001-11-29

English

Subject field(s)
  • Air Pollution
CONT

In USA, lakes in the Adirondack Mountains represent the most well-known example of water acidification (Schofield, 1976). The precipitation has a pH of 4.1 - 4.3. 51% of 217 mountain lakes have a pH below 5.0; 90% of these have lost their fish stocks. During the period 1929-1937, only about 4% of the lakes were reported to have pH below 5.0.

Key term(s)
  • acidification of waters

French

Domaine(s)
  • Pollution de l'air
DEF

Modification de l'équilibre acido-basique naturel de certains écosystèmes aquatiques par suite d'une augmentation, d'origine anthropique, de leur concentration en acide.

CONT

On esquisse, ci-dessous, le principe des interactions se produisant dans le système des eaux du sol et des roches, le fondement des modèles conçus pour l'acidification hydrique, quelques problèmes, le facteur temps lié à l'acidification, les évidences historiques ainsi que l'impact probable subi par le système aquatique de l'est du Canada.

Spanish

Campo(s) temático(s)
  • Contaminación del aire
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