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Record 1 1988-04-14

English

Subject field(s)
  • Air Pollution
  • Environmental Studies and Analyses
CONT

If a valley is enclosed on all sides by mountains, a pool of cold stable air collects in the basin. Pollutants released in the valley then accumulate to obnoxious concentrations for long periods.

French

Domaine(s)
  • Pollution de l'air
  • Études et analyses environnementales

Spanish

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