Rates of denitrification and porewater nutrient concentrations at a saltmarsh in Alabama from 2015-04 to 2016-10 (NCEI Accession 0219938)
This dataset is generated from a study of a saltmarsh on Dauphin Island (30º15.43’N, 88º07.438’W) that is dominated by Spartina alterniflora and is interspersed with Juncus roemerianus. Tides are diurnal with mean tidal amplitude of less than 0.5 m. Replicate sediment cores (95 mm ID; n=5) were collected from Spartina alterniflora and Juncus roemerianus dominated sediments during the April 2015 to October 2016 period. Each core was sectioned between the 0-2 and 5-7 intervals and homogenized. Denitrification rates were measured following the acetylene inhibition technique. Porewater nutrient concentrations were periodically collected from triplicate sippers placed in Juncus roemerianus and Spartina dominated patches. Sippers were equipped with a 5-cm sampling window (centered at 10 cm depth). In May and August 2015 additional sediment cores were collected from the Spartina alterniflora and Juncus roemerianus patches and brought back to the laboratory for profiling of the porewater hydrogen sulfide concentrations.
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| description | This dataset is generated from a study of a saltmarsh on Dauphin Island (30º15.43’N, 88º07.438’W) that is dominated by Spartina alterniflora and is interspersed with Juncus roemerianus. Tides are diurnal with mean tidal amplitude of less than 0.5 m. Replicate sediment cores (95 mm ID; n=5) were collected from Spartina alterniflora and Juncus roemerianus dominated sediments during the April 2015 to October 2016 period. Each core was sectioned between the 0-2 and 5-7 intervals and homogenized. Denitrification rates were measured following the acetylene inhibition technique. Porewater nutrient concentrations were periodically collected from triplicate sippers placed in Juncus roemerianus and Spartina dominated patches. Sippers were equipped with a 5-cm sampling window (centered at 10 cm depth). In May and August 2015 additional sediment cores were collected from the Spartina alterniflora and Juncus roemerianus patches and brought back to the laboratory for profiling of the porewater hydrogen sulfide concentrations. |
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| identifier | gov.noaa.nodc:0219938 |
| issued | 2020-09-08T00:00:00.000+00:00 |
| keyword |
[
"0219938",
"AMMONIUM (NH4)",
"DEPTH - OBSERVATION",
"Hydrogen Sulfide (H2S)",
"NITRATE",
"NITRITE",
"phosphate",
"sediment sampler - corer",
"in situ",
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"Coastal Waters of Alabama",
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"EARTH SCIENCE > OCEANS > OCEAN CHEMISTRY > NITRITE",
"EARTH SCIENCE > OCEANS > OCEAN CHEMISTRY > PHOSPHATE",
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"DEPTH (Pot DNF)",
"DNitrate (Sipper Nutrients)",
"Date (H2S Profiles))",
"Date (Pot DNF)",
"Date (Sipper Nutrients)",
"Depth (H2S Profiles)",
"Hydrogen Sulfide (H2S Profiles)",
"Nitrite (Sipper Nutrients)",
"Phosphate (Sipper Nutrients)",
"Potential Denitrification (Pot DNF)",
"Replicate (Pot DNF)",
"Replicate (Sipper Nutrients)",
"Veg Type (H2S Profiles)",
"Veg Type (Pot DNF)",
"Veg Type (Sipper Nutrients)",
"SEDIMENT CORERS > SEDIMENT CORERS",
"A cut off syringe whose internal diameter is 95 mm and the length is 10 cm",
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"OCEAN > ATLANTIC OCEAN > NORTH ATLANTIC OCEAN > GULF OF AMERICA",
"OCEAN > ATLANTIC OCEAN > NORTH ATLANTIC OCEAN > GULF OF MEXICO",
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| license | https://creativecommons.org/publicdomain/zero/1.0/ |
| modified | 2020-09-30T00:00:00.000+00:00 |
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| rights | otherRestrictions |
| spatial | -88.12,30.26,-88.12,30.26 |
| temporal | 2015-04-01T00:00:00+00:00/2016-10-31T00:00:00+00:00 |
| title | Rates of denitrification and porewater nutrient concentrations at a saltmarsh in Alabama from 2015-04 to 2016-10 (NCEI Accession 0219938) |
