Changes in hydrogeologic regimes in permafrost regions due to climatic change

Frederick A. Michel and Robert O. Van Everdingen

Permafrost and Periglacial Processes, 1994, vol. 5, issue 3, 191-195

Abstract: The general and specific effects of predicted climate change on groundwater systems in permafrost regions are summarized. Besides a general decrease in the thickness and areal distribution of permafrost, a large unfrozen near‐surface aquifer with perennial groundwater flow might develop. Recharge and discharge would become more active and increased groundwater discharge would affect the baseflow of many rivers and the chemistry of their waters. Les effets du changement climatique annoncé sur les aquifères des régions où existe un pergélisol sont résumés. A cǒté d'une diminution générale de l'épaisseur et de l'étendue du pergélisol, un nappe aquifère importante apparaǐtra près de la surface en provoquant un écoulement souterrain permanent. L'importance des eaux souterraines sera ainsi accrue et l'écoulement qui en proviendra, affectera le débit de base de beaucoup de rivières et la composition chimique de leurs eaux.

Date: 1994
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Persistent link: https://EconPapers.repec.org/RePEc:wly:perpro:v:5:y:1994:i:3:p:191-195

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