Labile dissolved organic carbon supply limits hyporheic denitrification

Jay P. Zarnetske; Roy Haggerty; Steve Wondzell; Michelle A. Baker

Treesearch

Labile dissolved organic carbon supply limits hyporheic denitrification

Formally Refereed

Authors:

Jay P. Zarnetske, Roy Haggerty, Steve Wondzell, Michelle A. Baker

Year:

2012

Type:

Scientific Journal

Station:

Pacific Northwest Research Station

Source:

Journal of Geophysical Research. 116: G04036: 13 p. doi:1029/2011JG001730.

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Abstract

We used an in situ steady state ¹⁵N-labeled nitrate and acetate well-to-wells injection experiment to determine how the availability of labile dissolved organic carbon as acetate influences microbial denitrification in the hyporheic zone of an upland (third-order) agricultural stream.

Keywords

15N stable isotope tracers, denitrification, DOC, hyporheic zone

Citation

Zarnetske, Jay P.; Haggerty, Roy; Wondzell, Steven M.; Baker, Michelle A. 2011. Labile dissolved organic carbon supply limits hyporheic denitrification. Journal of Geophysical Research. 116: G04036: 13 p. doi:1029/2011JG001730.