DIN retention-transport through four hydrologically connected zones in a headwater catchment of the upper mississippi river

Dissolved inorganic nitrogen (DIN) retention-transport through a headwater catchment was synthesized from studies encompassing four distinct hydrologic zones of the Shingobee River Headwaters near the origin of the Mississippi River. The hydrologic zones included: (1) hillslope ground water (ridge t...

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Bibliographic Details
Published in:Journal of the American Water Resources Association 2007-02, Vol.43 (1), p.60-71
Main Authors: Triska, F.J, Duff, J.H, Sheibley, R.W, Jackman, A.P, Avanzino, R.J
Format: Article
Language:English
Subjects:
agricultural watersheds
carbon
denitrification
dissolved inorganic nitrogen
Earth sciences
Earth, ocean, space
Exact sciences and technology
grazing
groundwater flow
headwaters
hills
hydrogeology
Hydrology
Hydrology. Hydrogeology
mass transfer
nitrate
nitrate nitrogen
nitrification
organic carbon
pastures
retention-transport
riparian areas
rivers
simulation models
slope
surface water
Upper Mississippi River
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Summary:Dissolved inorganic nitrogen (DIN) retention-transport through a headwater catchment was synthesized from studies encompassing four distinct hydrologic zones of the Shingobee River Headwaters near the origin of the Mississippi River. The hydrologic zones included: (1) hillslope ground water (ridge to bankside riparian); (2) alluvial riparian ground water; (3) ground water discharged through subchannel sediments (hyporheic zone); and (4) channel surface water. During subsurface hillslope transport through Zone 1, DIN, primarily nitrate, decreased from approximately 3 mg-N/l to
ISSN:1093-474X
1752-1688
DOI:10.1111/j.1752-1688.2007.00006.x