The portion of a river's flow sustained by groundwater discharge during periods without significant rainfall or snowmelt, keeping rivers flowing through dry spells rather than running dry between storms. It reflects the slow drainage of an aquifer into the channel and is a key indicator of a river system's resilience to drought.
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Sources
1. Baseflow (Wikipedia)
Wikipedia infobox 'Lead section' = 'Baseflow is the portion of the streamflow that is sustained between...' on 'Baseflow'View the Source 2. Base Flow (Wikipedia)
Wikimedia FoundationIntroductionQuote, Introduction
Baseflow is the portion of the streamflow that is sustained between precipitation events, fed to streams by delayed pathways.
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