Dataset: Methane and carbon dioxide fluxes in an intermediate marsh in Barataria Bay, LA (v.0.10)

Methane and carbon dioxide fluxes were measured in August 2019 in an Intermediate salinity marsh in Barataria Bay, Louisiana. The flux chamber method was used to measure methane (CH₄) and carbon dioxide (CO₂) under light and dark conditions in an Intermediate salinity marsh in Barataria Bay, LA. Fluxes were measured in plots with the following treatments: Control and high nutrients. Treatments included: Control; Sediment deposition- 0 (control) and 5 cm (45 kg river silt); Nutrient- Low nutrients:  645.2 g of CaNO₃ and 11.11g of P₂O₅ High nutrients:  6451.6 g of CaNO₃ and 111.1 g of P₂O₅; and Low nutrients + Sediment and High nutrients + Sediment Measurements included methane flux (calculated from concentration regressions over time), carbon dioxide flux (calculated from concentration regressions over time), air temperature inside and outside of chambers, PAR inside and outside of chambers, salinity and water table depth.