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  3. Static chamber gas fluxes and carbon and nitrogen isotope content of age-dated sediment cores from a Phragmites wetland in Sage Lot Pond, Massachusetts, 2013-2015

Static chamber gas fluxes and carbon and nitrogen isotope content of age-dated sediment cores from a Phragmites wetland in Sage Lot Pond, Massachusetts, 2013-2015

Dates

Publication Date
Time Period
2013-07-19
Time Period
2013-08-15
Time Period
2013-09-20
Time Period
2014
Time Period
2015-05-21

Citation

O'Keefe Suttles, J.A., Eagle, M.J., Martin, R.M., Moseman-Valtierra, S., and Kroeger, K.D., 2022, Static chamber gas fluxes and carbon and nitrogen isotope content of age-dated sediment cores from a Phragmites wetland in Sage Lot Pond, Massachusetts, 2013-2015: U.S. Geological Survey data release, https://doi.org/10.5066/P9JM751N.

Summary

Coastal wetlands are major global carbon sinks, however, they are heterogeneous and dynamic ecosystems. To characterize spatial and temporal variability in a New England salt marsh, static chamber measurements of greenhouse gas (GHG) fluxes were compared among major plant-defined zones (high marsh dominated by Distichlis spicata and a zone of invasive Phragmites australis) during 2013 and 2014 growing seasons. Two sediment cores were collected in 2015 from the Phragmites zone to support previously reported core collections from the high marsh sites (Gonneea and others 2018). Collected cores were up to 70 cm in length with dry bulk density ranges from 0.04 to 0.33 grams per cubic centimeter and carbon content 22.4% to 46.6%. Gamma counting [...]

Contacts

Point of Contact :
Meagan J Eagle
Originator :
Jennifer A O'Keefe Suttles, Meagan J Eagle, Rose M Martin, Serena Moseman-Valtierra, Kevin D Kroeger
Publisher :
U.S. Geological Survey
Distributor :
U.S. Geological Survey - ScienceBase
Data Owner :
Woods Hole Coastal and Marine Science Center
SDC Data Owner :
Woods Hole Coastal and Marine Science Center
USGS Mission Area :
Natural Hazards

Attached Files

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metadata_SLP_GHGFlux_Core_2015.xml
“CSDGM metadata.”
Original FGDC Metadata
View 		52.94 KB application/fgdc+xml
SLP_Phrag_SplitCore_2015.jpg
“Split sediment core collected from a Phragmites site at Sage Lot Pond in 2015.” 		thumbnail 1.27 MB image/jpeg
Data_SLP_Phrag_Cores.csv
“soil core data collected from Phragmites vegetated sites.” 		15.93 KB text/csv
Data_SLP_Phrag_GHGFluxes.csv
“Measurements of carbon fluxes across a seasonal time scale.” 		2.96 KB text/csv

Purpose

The purpose of this study was to measure greenhouse gas fluxes across a seasonal time-scale and to determine sediment carbon content and sediment accumulation rates across contrasting plant-defined zones in order to model controls on GHG fluxes in a New England salt marsh. These data support research focused on understanding controls and scaling of carbon exchange in order to inform possible Blue Carbon management interventions in these vulnerable ecosystems.
Split sediment core collected from a Phragmites site at Sage Lot Pond in 2015.
Split sediment core collected from a Phragmites site at Sage Lot Pond in 2015.

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  • USGS Data Release Products
  • Woods Hole Coastal and Marine Science Center

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Type Scheme Key
DOI https://www.sciencebase.gov/vocab/category/item/identifier doi:10.5066/P9JM751N

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