Massachusetts Bay Sediment Contamination and Biological Effects Survey

NOAA's National Status and Trends Bioeffects Program conducted a stratified probabilistic sampling study in 2004 to define contamination and biological effects in Massachusetts/Cape Cod Bays, Stellwagen Bank, and Boston Harbor. The survey utilized the sediment quality triad approach, measuring sediment and water data to characterize chemical contamination and benthic infaunal community structure. It specifically sampled areas near the new and former Boston sewage outfalls.

Use Cases

• Analyze correlations between sediment contaminant concentrations and benthic infaunal community structure metrics at sampled stations.
• Map the spatial extent of contamination from the Boston sewage outfall by comparing sediment chemistry data from 2004 near the new and former discharge sites.
• Establish baseline sediment and water quality conditions in Massachusetts Bay for long-term environmental monitoring programs.
• Coordinate sediment and fish tissue sampling data with NOAA NMFS Benthic Surveillance Program historical sites for temporal trend analysis.

Strengths

• Data collection followed a stratified probabilistic sampling design for systematic characterization.
• Study integrates multiple components of the sediment quality triad: contamination, benthic community structure, and outfall site comparison.

Limitations

• Dataset is from a single year (2004), limiting analysis of temporal trends.
• Toxicity bioassays were not conducted, missing a key component of full ecological risk assessment.
• Specific sample size, row count, and measured column variables are unknown.

Provenance

Source

NOAA National Centers for Environmental Information (NCEI) via NASA Earthdata.

Collection Method

Field sampling utilizing a stratified probabilistic design to collect sediment and water data.

Time Range

2004

Freshness

Data is from 2004; no update frequency is specified.

Geography

Massachusetts/Cape Cod Bays, Stellwagen Bank, and Boston Harbor, USA.