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  3. Carbon dioxide and methane fluxes with supporting environmental data from coastal wetlands across Cape Cod, Massachusetts
  4. Static chamber fluxes of carbon dioxide and methane from Phragmites wetlands and supporting data collected across a salinity gradient on Cape Cod, Massachusetts

Static chamber fluxes of carbon dioxide and methane from Phragmites wetlands and supporting data collected across a salinity gradient on Cape Cod, Massachusetts

Dates

Publication Date
Start Date
2020-07-15
End Date
2020-11-15

Citation

Sanders-DeMott, R., Eagle, M.J., Kroeger, K.D., Wang, F., Brooks, T.W., O'Keefe Suttles, J.A., Nick, S.K., Mann, A.G., and Tang, J. 2022, Carbon dioxide and methane fluxes with supporting environmental data from coastal wetlands across Cape Cod, Massachusetts (ver 2.0, June 2022): U.S. Geological Survey data release, https://doi.org/10.5066/P9RRL3T0.

Summary

Saline tidal wetlands are important sites of carbon sequestration and produce negligible methane (CH4) emissions due to regular inundation with sulfate-rich seawater. Yet, widespread management of coastal hydrology has restricted vast areas of coastal wetlands to tidal exchange. These ecosystems often undergo impoundment and freshening, which in turn cause vegetation shifts like invasion by Phragmites, that affect ecosystem carbon balance. Understanding controls of carbon exchange in these understudied ecosystems is critical for informing climate consequences of blue carbon restoration and/or management interventions. Here we present measurements of net ecosystem exchange of carbon dioxide (CO2) and methane, along with ancillary meteorological [...]

Contacts

Contact :
Rebecca Sanders-Demott
Author :
Rebecca Sanders-Demott, Meagan Eagle, Kevin D Kroeger, Faming Wang, Thomas W Brooks, Jennifer A O'Keefe Suttles, Sydney K Nick, Adrian G Mann, Jianwu Tang
USGS Program :
Coastal and Marine Hazards and Resources Program
Data Owner :
Woods Hole Coastal and Marine Science Center
SDC Data Owner :
Woods Hole Coastal and Marine Science Center
USGS Mission Area :
Natural Hazards
Distributor :
U.S. Geological Survey - ScienceBase

Attached Files

Click on title to download individual files attached to this item.

metadata_phragmites_chamber.xml
“CSDGM metadata.”
Original FGDC Metadata
View 		61.53 KB application/fgdc+xml
air_soil_temp.csv
“Data on soil and air temperature.” 		14.22 MB text/csv
phragmites_chamber.jpg
“Photo of a chamber sampling platform in a Phragmites wetland, Sage Lot Pond, MA.” 		thumbnail 3.06 MB image/jpeg
slp_met.csv
“Meteorological data.” 		1.63 MB text/csv
phragmites_biomass.csv
“Data on phragmites biomass.” 		4.81 KB text/csv
chamber_fluxes.csv
“Data on methane and carbon dioxide fluxes.” 		20.75 KB text/csv

Purpose

Measurements of carbon dioxide and methane fluxes from static chambers were collected to assess carbon exchange at four coastal Phragmites wetland sites across a salinity gradient(4 to 25 psu) in impounded and natural, tidally unrestricted Phragmites wetlands at the Herring River in Wellfleet, MA, USA and at Sage Lot Pond in Falmouth, MA from July through November 2020. Environmental and biologic metrics that could inform carbon exchange, including biomass, air and soil temperature, relative humidity, and photosynthetically active radiation were also collected to support data interpretation. This dataset can help evaluate the effect of salinity on carbon dioxide and methane exchange in coastal wetlands. Data were collected to inform predictive models of carbon fluxes across coastal wetlands of varying salinity and to facilitate National Park Service restoration planning and future blue carbon project assessments.
Photo of a chamber sampling platform in a Phragmites wetland, Sage Lot Pond, MA.
Photo of a chamber sampling platform in a Phragmites wetland, Sage Lot Pond, MA.

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