Identifying fluorescent pulp mill effluent in the Gulf of Maine and its watershed
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Abstract
Using fluorescence spectroscopy and parallel factor analysis (PARAFAC) we characterized and modeled the fluorescence properties of dissolved organic matter (DOM) in samples from the Penobscot River, Androscoggin River, Penobscot Bay, and the Gulf of Maine (GoM). We analyzed excitation-emission matrices (EEMs) using an existing PARAFAC model (Cory and McKnight, 2005) and created a system-specific model with seven components (GoM PARAFAC). The GoM PARAFAC model contained six components similar to those in other PARAFAC models and one unique component with a spectrum similar to a residual found using the Cory and McKnight (2005) model. The unique component was abundant in samples from the Androscoggin River immediately downstream of a pulp mill effluent release site. The detection of a PARAFAC component associated with an anthropogenic source of DOM, such as pulp mill effluent, demonstrates the importance for rigorously analyzing PARAFAC residuals and developing system-specific models.
Study Area
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Identifying fluorescent pulp mill effluent in the Gulf of Maine and its watershed |
| Series title | Marine Pollution Bulletin |
| DOI | 10.1016/j.marpolbul.2012.05.040 |
| Volume | 64 |
| Issue | 8 |
| Year Published | 2012 |
| Language | English |
| Publisher | Elsevier |
| Contributing office(s) | National Research Program - Central Branch |
| Description | 10 p. |
| First page | 1678 |
| Last page | 1687 |
| Country | United States |
| State | Maine |
| Other Geospatial | Gulf of Maine |
| Google Analytic Metrics | Metrics page |