This file includes variable descriptions for the C flux and water chemistry dataset from six hydropower reservoirs in the southeastern USA. Reference: Pilla et al. (in review). Shifts in carbon emissions versus sequestration from hydropower reservoirs in the southeastern United States. Contact: pillarm@ornl.gov Dataset: "Pilla-etal_Cflux-waterChemistry-SEreservoirs.csv" Study = reference data was originally published in SamplingPeriod = time frame of sampling Reservoir = name of reservoir Stratum = main channel or cove site, information used for whole-reservoir upscaling StationID = name of station, consistent across all sampling periods VariableCategory = grouping of variables as "C flux" or "water chemistry" Variable = name of variable, including depth of measurement for water chemistry variables Value = numeric value of listed variable Units = units of listed variable