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The challenges of fresh groundwater at Reykjanes peninsula, Iceland

IWRA - 1st ISLANDS WATER CONGRESS
Groundwater Resources Management: Island Groundwater Administration (RS3)
Author(s): Dagur Sigurðarson
Dagur Sigurðarson - ÍSOR, Iceland Geosurvey, Kópavogur, Iceland
Article: PDF

AbstractThe recent and ongoing volcanic activity at Reykjanes is an added challenge to the freshwater on the peninsula. As the bedrock is young (<700.000 yrs) and covered with Holocene lavas, and though precipitation is rather high (exceeding 3000 mm/year in eastern part), there is no freshwater surface runoff to be found. The freshwater is at depth, forming a groundwater lens layered on top of the subterranean sea. This makes the freshwater on Reykjanes peninsula both a scarce and fragile resource (Sigurðsson, Freysteinn, 1986: Jökull, 36, p. 11-29)...