Scientific Investigations Report 2007–5117
U.S. GEOLOGICAL SURVEY
Scientific Investigations Report 2007–5117
Table 8. Percentage of dissolved-oxygen concentrations in the depth-profile dataset less than 4 milligrams per liter by year and site, Upper Klamath and Agency Lakes, Oregon, May–October 1990–2006.
[See figure 1 for site names and locations. –, not sampled]
| Year | All | AN | AS | CP | ER | ML | MN | NB | PM | SB | WB |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1990 | 6 | – | 5 | – | 14 | 0 | 0 | 0 | 0 | 4 | 0 |
| 1991 | 3 | 0 | 0 | – | 5 | 0 | 3 | 0 | 0 | 9 | 4 |
| 1992 | 7 | 3 | 0 | – | 18 | 0 | 2 | 0 | 0 | 14 | 8 |
| 1993 | 8 | 0 | 11 | – | 19 | 0 | 0 | 0 | 0 | 9 | 28 |
| 1994 | 5 | 4 | 13 | – | 13 | 2 | 2 | 0 | 0 | 3 | 0 |
| 1995 | 7 | 0 | 0 | – | 24 | 0 | 0 | 0 | 0 | 8 | 9 |
| 1996 | 4 | – | 6 | – | 6 | 0 | 2 | – | – | 2 | – |
| 1997 | 7 | 0 | 19 | 8 | 14 | 0 | 4 | 0 | 0 | 10 | 6 |
| 1998 | 8 | 3 | 9 | 13 | 15 | 0 | 8 | 3 | 7 | 12 | 3 |
| 1999 | 4 | 3 | 0 | 8 | 11 | 0 | 0 | 0 | 0 | 12 | 0 |
| 2000 | 10 | 6 | 10 | 18 | 11 | 2 | 8 | 12 | 6 | 12 | 10 |
| 2001 | 13 | 17 | 6 | 11 | 22 | 17 | 4 | 13 | 3 | 18 | 9 |
| 2002 | 6 | 8 | 14 | 13 | 16 | 0 | 0 | 0 | 0 | 0 | 0 |
| 2003 | 11 | 3 | 0 | 24 | 28 | 4 | 10 | 0 | 0 | 5 | 3 |
| 2004 | 8 | 5 | 14 | 10 | 14 | 0 | 0 | 6 | 0 | 15 | 3 |
| 2005 | 5 | 5 | 0 | 2 | 13 | 0 | 7 | 0 | 0 | 6 | 3 |
| 2006 | 4 | 3 | 0 | 0 | 13 | 0 | 0 | 0 | 0 | 2 | 6 |
U.S. Department of the Interior | U.S. Geological Survey
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