Open AccessAssessment of Hydrologic Transient Storage of Three Streams
Author(s) -
M. N. Gooseff
Publication year - 2003
Publication title -
the uw national parks service research station annual reports
Language(s) - English
Resource type - Journals
eISSN - 2693-2407
pISSN - 2693-2385
DOI - 10.13001/uwnpsrc.2003.3545
Subject(s) - hyporheic zone , streams , biogeochemical cycle , urban stream , hydrology (agriculture) , environmental science , alluvium , channel (broadcasting) , stream restoration , sediment , stream bed , geology , surface water , environmental chemistry , geomorphology , environmental engineering , chemistry , computer network , geotechnical engineering , engineering , computer science , electrical engineering
Stream sediments are important locations of biogeochemical transformations upon which many stream ecosystem functions depend. Stream water is often exchanged between the stream channel and surrounding subsurface locations this process is known as hyporheic exchange.While stream water is moving through the hyporheic zone, solutes and nutrients may undergo important chemical reactions that are not possible in the main stream channel. Further, because the hyporheic zone is composed of porous media (sand, sediment, alluvium, etc.), flow inherently slows down and the exchanging water has ample opportunity to interact with mineral grain surfaces and biofilms.
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