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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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Sharing Status:	Published
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Abstract

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.

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Coverage

Spatial

Coordinate System/Geographic Projection:

WGS 84 EPSG:4326

Coordinate Units:

Decimal degrees

Place/Area Name:

Sunflower River, Mississippi

Longitude

-90.5923°

Latitude

33.7304°

Temporal

Start Date:
End Date:

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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, https://doi.org/10.4211/hs.1fe097882d76414eafea6b533c36924c

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

http://creativecommons.org/licenses/by/4.0/

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