| 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. |
| Genre: | Article |
| ProdID: | 70006525 |
| Citation Author: | Manny, Bruce A.; Owens, R. W. |
| Citation Contributing Office: | Great Lakes Science Center |
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| Citation End Page: | 420 |
| Citation Issue: | 3 |
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| Citation Language: | English |
| Citation Larger Work Title: | Journal of Great Lakes Research |
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| Citation Number Of Pages: | 17 |
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| Citation Phsyical Description: | 18 p. |
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| Citation Public Comments: | Abstract has subscript/superscript to be fixed |
| Citation Publisher: | Elsevier |
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| Citation Search Results Text: | Additions of nutrients and major ions by the atmosphere and tributaries to nearshore waters of northwestern Lake Huron; 1983; Article; Journal; Journal of Great Lakes Research; Manny, Bruce A.; Owens, R. W. |
| Citation Start Page: | 403 |
| Citation Volume: | 9 |
| Citation Year: | 1983 |
| Type: | citation/reference |
| Text: | Additions of nutrients and major ions by the atmosphere and tributaries to nearshore waters of northwestern Lake Huron; 1983; Article; Journal; Journal of Great Lakes Research; Manny, Bruce A.; Owens, R. W. |
| URL (THUMBNAIL): | http://pubs.er.usgs.gov/thumbnails/outside_thumb.jpg |
| URL (DIGITAL OBJECT IDENTIFIER): | http://dx.doi.org/10.1016/S0380-1330(83)71912-X |
| Date Other: | Sun, 1 Jan 2012 20:32 -0600 |
| Publisher: | Elsevier |
