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Flux of Dissolved Organic and Inorganic Constituents in Forested Headwater Streams
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 Title & Authors
Flux of Dissolved Organic and Inorganic Constituents in Forested Headwater Streams
Choi, Byoung-Koo; Mangum, Clay N.; Hatten, Jeffery A.; Dewey, Janet C.; Ouyang, Ying;
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Headwaters initiate material export to downstream environments. A nested headwater study examined the flux of dissolved constituents and water from a perennial stream and four ephemeral/intermittent streams in the Upper Gulf Coastal Plain of Mississippi. Water was collected during storm and baseflow conditions. Multiple linear regression was used to model constituent concentration and calculate flux. Event was the major source of water discharged from the ephemeral and intermittent streams however, baseflow was the major source for water discharged by the perennial stream during events. The perennial stream had an area weighted average yields of 10.1, 0.01, 1.03, 0.65 kg/ha/yr of DON (dissolved organic nitrogen), -N, -N and , respectively while large variabilities existed between the ephemeral and intermittent streams. These findings highlight the importance of headwaters in protecting the low order drainage basins as a key to water quality within perennial streams.
Headwaters;Flux;Hydrologic event;Hydrogeochemistry;Nutrients;Water quality;
 Cited by
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