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Hyporheic flow and transport processes: Mechanisms, models, and biogeochemical implications
Vise andre og tillknytning
2014 (engelsk)Inngår i: Reviews of geophysics, ISSN 8755-1209, E-ISSN 1944-9208, Vol. 52, nr 4, s. 603-679Artikkel, forskningsoversikt (Fagfellevurdert) Published
Abstract [en]

Fifty years of hyporheic zone research have shown the important role played by the hyporheic zone as an interface between groundwater and surface waters. However, it is only in the last two decades that what began as an empirical science has become a mechanistic science devoted to modeling studies of the complex fluid dynamical and biogeochemical mechanisms occurring in the hyporheic zone. These efforts have led to the picture of surface-subsurface water interactions as regulators of the form and function of fluvial ecosystems. Rather than being isolated systems, surface water bodies continuously interact with the subsurface. Exploration of hyporheic zone processes has led to a new appreciation of their wide reaching consequences for water quality and stream ecology. Modern research aims toward a unified approach, in which processes occurring in the hyporheic zone are key elements for the appreciation, management, and restoration of the whole river environment. In this unifying context, this review summarizes results from modeling studies and field observations about flow and transport processes in the hyporheic zone and describes the theories proposed in hydrology and fluid dynamics developed to quantitatively model and predict the hyporheic transport of water, heat, and dissolved and suspended compounds from sediment grain scale up to the watershed scale. The implications of these processes for stream biogeochemistry and ecology are also discussed.

sted, utgiver, år, opplag, sider
2014. Vol. 52, nr 4, s. 603-679
Emneord [en]
hyporheic, stream-aquifer, sw-gw interactions, surface water, groundwater, river
HSV kategori
Identifikatorer
URN: urn:nbn:se:kth:diva-160414DOI: 10.1002/2012RG000417ISI: 000348452000002Scopus ID: 2-s2.0-84908206442OAI: oai:DiVA.org:kth-160414DiVA, id: diva2:790115
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QC 20150223

Tilgjengelig fra: 2015-02-23 Laget: 2015-02-19 Sist oppdatert: 2017-12-04bibliografisk kontrollert

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