R/P-45

Nutrient cycling in oligohaline sediments and marshes: Is denitrification a major sink for nitrogen?

Principal Investigator:

Jeffrey C. Cornwell

Start/End Year:

1998 - 2000

Institution:

Horn Point Laboratory, University of Maryland Center for Environmental Science

Co-Principal Investigator:

Todd Kana, Horn Point Laboratory, University of Maryland Center for Environmental Science

Description:

The primary objectives of this proposal are to apply a new direct measurement technique for denitrification to: examine approaches to determining system-wide denitrification estimates in the Choptank River subestuary and determine if oligohaline marshes are important sites for estuarine denitrification. Denitrification will be compared to N input terms available for this subestuary, as well as N sinks including marsh N storage and burial.

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