Marsh Elevated CO2 Study-Absolute CO2 Concentrations, SERC, Edgewater, MD

Ambient atmospheric CO2 concentration and CO2 concentration in the 15 elevated CO2 open top chambers in C3, C4 and mixed C3&C4 communities (5 per community). Data were averaged over 15 minute periods; 15 elevated plots in three communities, rotating 16th plot for ambient measurement. Location: Kirkpatrick Marsh, Rhode River, Anne Arundel County, MD. Information to create metadata was taken from information at: http://serc.si.edu/research/longterm_data/dtoc/co2002.htm