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Dissolved gas and nutrient data from flow-through sediment core incubations conducted at two temperatures

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Created: Mar 18, 2022 at 5:41 p.m.
Last updated: Mar 18, 2022 at 6:01 p.m.
DOI: 10.4211/hs.1fe097882d76414eafea6b533c36924c
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We collected intact sediment cores from the Sunflower River (near Ruleville, MS), and used flow-through incubations to test the interaction of nitrate concentration, carbon availability, and temperature on nitrous oxide production and yields (as % of total denitrification). We conducted the sediment core incubations at both 15 °C and 25 °C. Cores were dosed with a range of nitrate concentrations (1-6 mg L-1) and two carbon amendments: ambient (0.5 mg L-1) and +carbon (13.5 mg L-1). We used membrane inlet mass spectrometry (MIMS) to measure nitrous oxide, dinitrogen gas, and oxygen concentrations. We used the cadmium reduction method on a Lachat Quickchem Analyzer to measure nitrate concentrations and used the combustion catalytic oxidation method on a Shimadzu TOC-L to measure DOC concentrations.

Subject Keywords



Coordinate System/Geographic Projection:
WGS 84 EPSG:4326
Coordinate Units:
Decimal degrees
Place/Area Name:
Sunflower River, Mississippi


Start Date:
End Date:


How to Cite

Speir, S. L., J. L. Tank, J. M. Taylor, A. L. Grose (2022). Dissolved gas and nutrient data from flow-through sediment core incubations conducted at two temperatures, HydroShare,

This resource is shared under the Creative Commons Attribution CC BY.


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