Scientific Investigations Report 2007–5186
U.S. GEOLOGICAL SURVEY
Scientific Investigations Report 2007–5186
Table 21. Flow-adjusted trends in concentration, non-flow-adjusted trends in concentration, and trends in annual loads for suspended sediment in the Columbia River and Puget Sound basins, water years 1993–2003.
[Sites can be located in figure 1 by the Map index No. Bold values indicate trends significant at a less than or equal to 0.05 p-level. Abbreviations: FATC, flow-adjusted trends in concentration; NFATC, non-flow-adjusted trends in concentration]
| Map index No. | Site No. | Water quality | FATC | NFATC | Load trend | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Start date | End date | Number of observations | Number of observations below reporting limit | Percent per year | Milligrams per liter per year | Percent per year | Milligrams per liter per year | Percent per year | Kilograms per day per year | |||||
| 4 | 10386 | 10-20-92 | 08-12-03 | 60 | 4 | 2.16 | 0.034 | 1.58 | 0.025 | 0.653 | 88.9 | |||
| 7 | 10355 | 10-20-92 | 08-12-03 | 128 | 0 | 3.28 | .061 | 2.23 | .042 | .958 | 405 | |||
| 8 | 11140 | 10-20-92 | 08-12-03 | 59 | 0 | 11.4 | .581 | 10.0 | .509 | 5.07 | 202 | |||
| 10 | 10508 | 11-01-93 | 09-22-03 | 68 | 6 | 5.98 | .092 | 6.16 | .094 | 6.47 | 211 | |||
| 11 | 10350 | 10-21-92 | 08-12-03 | 127 | 0 | 1.48 | .070 | .335 | .016 | -1.11 | -1,470 | |||
| 13 | 11478 | 10-14-92 | 09-03-03 | 62 | 0 | 2.15 | .068 | -.932 | -.029 | -4.68 | -429 | |||
| 14 | 10555 | 10-21-92 | 08-12-03 | 126 | 0 | 4.74 | .186 | 3.16 | .124 | 1.32 | 2,340 | |||
| 15 | 14200400 | 10-14-93 | 09-03-03 | 98 | 1 | -6.58 | -.355 | -7.04 | -.380 | -7.63 | -19.9 | |||
| 16 | 14201300 | 100-4-93 | 09-03-03 | 130 | 1 | -4.48 | -.608 | -5.94 | -.806 | -7.82 | -16.8 | |||
| 23 | 11321 | 10-28-92 | 08-11-03 | 59 | 0 | 2.28 | .093 | 1.53 | .063 | -.907 | -4.96 | |||
| 31 | 10611 | 10-21-92 | 09-09-03 | 132 | 0 | .607 | .030 | -.179 | -.009 | -1.52 | -4,960 | |||
| 33 | 14211720 | 11-16-92 | 09-10-03 | 144 | 0 | -3.15 | -.343 | -3.79 | -.412 | -4.60 | -32,500 | |||
| 37 | 10332 | 10-21-92 | 08-06-03 | 60 | 0 | .651 | .031 | .038 | .002 | -1.34 | -4,180 | |||
| 39 | 10411 | 10-26-92 | 08-18-03 | 63 | 0 | 3.80 | .204 | 3.85 | .207 | 3.87 | 2,820 | |||
| 40 | 10616 | 10-21-92 | 08-06-03 | 57 | 0 | -1.14 | -.069 | -1.94 | -.117 | -2.46 | -61,700 | |||
| 42 | 12012 | 06-21-93 | 08-18-03 | 67 | 4 | 76.0 | 1.07 | 72.4 | 1.02 | 68.8 | 1,770 | |||
| 43 | 11489 | 10-26-92 | 08-18-03 | 99 | 0 | -4.15 | -.283 | -3.26 | -.221 | -1.99 | -66.5 | |||
| 44 | 14246900 | 11-19-92 | 09-08-03 | 142 | 1 | 1.77 | .243 | -.480 | -.066 | -1.58 | -121,000 | |||
| 46 | 32A070 | 10-05-92 | 09-10-03 | 128 | 0 | -6.31 | -3.43 | -6.35 | -3.45 | -6.47 | -2,230 | |||
| 48 | 37A090 | 10-12-92 | 09-10-03 | 132 | 0 | -4.89 | -1.27 | -4.44 | -1.15 | -3.93 | -6,230 | |||
| 51 | 12472900 | 11-17-92 | 09-25-03 | 70 | 2 | -.547 | -.012 | -.669 | -.014 | -1.01 | -5,900 | |||
| 52 | 13351000 | 12-21-92 | 09-03-03 | 171 | 0 | -8.26 | -8.27 | -8.04 | -8.04 | -7.72 | -3,870 | |||
| 53 | 34A070 | 10-06-92 | 09-09-03 | 129 | 0 | -6.00 | -2.16 | -5.55 | -2.00 | -4.67 | -829 | |||
| 54 | 41A070 | 10-12-93 | 09-10-03 | 117 | 0 | -1.33 | -.344 | .439 | .113 | -2.63 | -454 | |||
| 56 | 13A060 | 10-26-92 | 09-22-03 | 119 | 2 | -.113 | -.005 | -.519 | -.025 | -.872 | -26.1 | |||
| 57 | 10A070 | 10-27-92 | 09-24-03 | 131 | 0 | 4.03 | 1.89 | 6.13 | 2.88 | 7.69 | 22,500 | |||
| 61 | 16A070 | 10-28-92 | 09-23-03 | 131 | 9 | -3.90 | -.161 | -3.19 | -.132 | -2.52 | -174 | |||
| 63 | 09A190 | 10-19-92 | 09-24-03 | 131 | 10 | -1.84 | -.034 | -2.36 | -.043 | -3.22 | -86.5 | |||
| 64 | 45A070 | 10-12-92 | 09-08-03 | 128 | 1 | -2.04 | -.063 | -2.19 | -.068 | -2.49 | -355 | |||
| 66 | 09A080 | 10-21-92 | 09-24-03 | 129 | 0 | -1.51 | -.137 | -2.09 | -.190 | -2.89 | -601 | |||
| 70 | 45A110 | 10-12-92 | 09-08-03 | 128 | 18 | -2.62 | -.072 | -2.83 | -.078 | -3.11 | -388 | |||
| 71 | 16C090 | 10-25-93 | 09-23-03 | 116 | 42 | 3.98 | .046 | 3.36 | .039 | 2.86 | 25.1 | |||
| 73 | 54A120 | 10-06-92 | 09-08-03 | 132 | 9 | -.558 | -.014 | -.779 | -.020 | -1.33 | -348 | |||
| 74 | 07D050 | 10-19-92 | 09-22-03 | 119 | 1 | .167 | .012 | -.273 | -.020 | -.680 | -318 | |||
| 75 | 07C070 | 10-19-92 | 09-22-03 | 117 | 3 | -5.46 | -.286 | -5.18 | -.271 | -4.79 | -1,620 | |||
| 76 | 07A090 | 10-19-92 | 09-22-03 | 131 | 1 | -1.81 | -.122 | -1.88 | -.127 | -1.95 | -2,240 | |||
| 77 | 53A070 | 10-14-92 | 09-08-03 | 119 | 51 | -1.60 | -.016 | -1.60 | -.017 | -1.61 | -3,920 | |||
| 78 | 48A070 | 10-13-92 | 09-09-03 | 130 | 21 | -2.96 | -.074 | -3.33 | -.083 | -4.26 | -214 | |||
| 79 | 49A070 | 10-13-92 | 09-09-03 | 127 | 3 | -1.75 | -.197 | -4.34 | -.489 | -6.16 | -4,000 | |||
| 80 | 48A140 | 10-13-92 | 090-9-03 | 118 | 24 | -1.32 | -.020 | -1.73 | -.027 | -2.98 | -78.1 | |||
| 81 | 03A060 | 10-21-92 | 09-22-03 | 130 | 1 | -1.74 | -.421 | -1.67 | -.403 | -1.63 | -13,600 | |||
| 84 | 01A050 | 10-20-92 | 09-23-03 | 128 | 0 | -.752 | -.216 | .016 | .005 | .553 | 1,140 | |||
| 87 | 61A070 | 10-07-92 | 09-07-03 | 132 | 14 | -.986 | -.019 | -.852 | -.016 | -.682 | -2,910 | |||
| 89 | 13092747 | 10-14-93 | 09-23-03 | 106 | 0 | -6.03 | -4.29 | -7.95 | -5.67 | -8.92 | -2,070 | |||
| 91 | 13154500 | 11-04-92 | 09-24-03 | 135 | 0 | -6.10 | -1.53 | -6.60 | -1.65 | -7.12 | -45,500 | |||
| 93 | 13206000 | 11-02-92 | 09-16-03 | 92 | 0 | -6.84 | -1.44 | -6.85 | -1.44 | -6.87 | -2,270 | |||
| 97 | 12413470 | 11-18-92 | 09-08-03 | 208 | 0 | -5.58 | -.225 | -5.60 | -.226 | -5.69 | -180 | |||
| 99 | 12419000 | 11-10-92 | 09-03-03 | 75 | 1 | -3.00 | -.053 | -3.18 | -.056 | -3.94 | -660 | |||
U.S. Department of the Interior | U.S. Geological Survey
URL: https://pubs.usgs.gov/sir/2007/5186
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Page Last Modified: Thursday, 01-Dec-2016 19:52:50 EST
