PAH concentrations in smooth cordgrass (Spartina alterniflora) tissue and semipermeable membrane devices in a crude oil contaminated salt marsh

This dataset includes the concentrations of polycyclic aromatic hydrocarbons (PAHs) in 3 fractions on the smooth cordgrass (Spartina alterniflora) leaf (PAHs in particles on the leaf surface, PAHs partitioned into the leaf cuticle, and PAHs in the remaining leaf tissue. PAH concentrations in semipermeable membrane devices in the plant canopy and on the marsh surface were collected simultaneously with these leaf measurements. Soil concentrations were collected on several dates for comparison. This data reflects the continued cycling of PAHs through marsh vegetation years following the Deepwater Horizon oil spill.