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GEOCHEMICAL ALTERATION [2 records]

Filter results by subject field Alphabetical list of terms

Filter results by subject field

Alphabetical list of terms

Record 1 2004-06-15

English

Subject field(s)
  • Environment
  • Air Pollution
CONT

Researchers differ, and the evidence seems to be conflicting, as to whether the geochemical alteration of watersheds, due to acidic inputs, should be viewed as irreversible, and, if so, on what scale. Irreversibility can be viewed as a failure to recover over geological time; but for natural resource systems, an incomplete recovery to a prestressed or undamaged state over a few decades, for all practical purposes, may be regarded as irreversible.

French

Domaine(s)
  • Environnement
  • Pollution de l'air
DEF

Se dit de ce qui suit un processus qu'on ne peut ni enrayer ni renverser : Mouvement, phénomène, maladie irréversible.

Spanish

Campo(s) temático(s)
  • Medio ambiente
  • Contaminación del aire
DEF

[Se dice del] proceso que en condiciones normales transcurre en un sentido determinado, pero que en sentido contrario no se puede repetir, o bien se repite en muy escasas ocasiones.

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Record 2 1985-05-29

English

Subject field(s)
  • Air Pollution

French

Domaine(s)
  • Pollution de l'air

Spanish

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