Figure : net-ecosystem-exchange-neuse-river

Example Observational Net Ecosystem Exchange (NEE) Data from (a) an Estuarine Ecosystem and (b) a Tidal Wetland Ecosystem

Figure 15.5


This figure appears in chapter 15 of the Second State of the Carbon Cycle Report (SOCCR2): A Sustained Assessment Report report.

(a) NEE of carbon dioxide (CO2, black line) and the partial pressure difference of CO2 (ΔpCO2) between air and water (red circles) in the Neuse River Estuary in North Carolina. NEE is positive when flux is from the water to the atmosphere. The ΔpCO2 is positive when water pCO2 is greater than atmospheric pCO2. Fluxes were estimated using the pCO2 measured during spatial surveys (Crosswell et al., 2012, 2014; Van Dam et al., 2018) and a gas transfer parameterization based on local wind speed (Jiang et al., 2008). These studies present alternative gas transfer parameterizations and associated errors. (b) Data are from restored coastal tidal wetlands in the New Jersey Meadowlands. The dark blue line represents the Marsh Resource Meadowlands Mitigation Bank (MRMMB; Duman and Schäfer, 2018), and the teal line, the Hawk Property (HP) natural wetland. Error bars are standard deviation of the mean of all measurements during this period (monthly). Key: g C, grams of carbon; μatm, microatmospheres.

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This figure was created on April 27, 2018.

This figure was submitted on March 15, 2019.

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