Additions of nutrients and major ions by the atmosphere and tributaries to nearshore waters of northwestern Lake Huron
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Abstract
Nutrient additions by the atmosphere and six tributaries to nearshore waters of northwestern Lake Huron were measured at weekly intervals from August 1975 to July 1976. The atmosphere contributed 43% of the nitrogen (N) and 10% of the phosphorus (P) that was added during the year. The 1975–76 atmospheric loading rate of total N to this area (11 kg/ha/yr) was one of the highest found to date in the United States. N was conserved more efficiently than P in the tributary drainage basins. Of the N and P that fell annually on the watersheds under study, 2 to 37% of the N and 31 to 84% of the P was carried with runoff to the lake. From a basin where ditching and clear-cutting occurred, water, P, silica (SiO2), N, and sodium were lost at higher rates than from five other basins. Most of the N in bulk atmospheric samples (23%) and tributary waters (56%) was dissolved organic N, a form of N not often measured.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Additions of nutrients and major ions by the atmosphere and tributaries to nearshore waters of northwestern Lake Huron |
| Series title | Journal of Great Lakes Research |
| DOI | 10.1016/S0380-1330(83)71912-X |
| Volume | 9 |
| Issue | 3 |
| Year Published | 1983 |
| Language | English |
| Publisher | Elsevier |
| Publisher location | Amsterdam, Netherlands |
| Contributing office(s) | Great Lakes Science Center |
| Description | 18 p. |
| First page | 403 |
| Last page | 420 |
| Country | United States |
| State | Michigan |
| Other Geospatial | Lake Huron |
| Online Only (Y/N) | N |
| Additional Online Files (Y/N) | N |
| Google Analytic Metrics | Metrics page |