Scientific Investigations Report 2006–5106

U.S. GEOLOGICAL SURVEY
Scientific Investigations Report 2006–5106

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Table 9. Concentrations of dissolved and suspended constituents and isotopes collected in Lynch Cove, western Washington, July through October 2004.

[Concentrations of salinity and dissolved oxygen in bold type were measured in the field using the conductivity-temperature-depth probe. Abbreviations: N, nitrogen; NO3, nitrate; m, meter; mg/L, milligram per liter; mg/L as N, milligram per liter as nitrogen; µg/L, microgram per liter; δ15N; fractionation of N (see equation 5); δ18O, fractionation of O (see equation 6); δ13C, fractionation of C (see equation 7); E, estimated; sfc, sample collected at surface; pss, practical salinity scale; <, less than; –, not available]

Water-quality site No. Date Sampling depth (m) Salinity, water, unfiltered (on pss) Dissolved oxygen, water, unfiltered, lab (mg/L) Silica, water, filtered (mg/L) Ammonia, water, filtered (mg/L as N) Nitrate, water, filtered (mg/L as N) Nitrite, water, filtered (mg/L as N) Particulate nitrogen (mg/L) Ortho-phosphate, water, filtered (mg/L) Particulate carbon (inorganic plus organic) (mg/L) Particulate inorganic carbon (mg/L)
July 2004
L13 07-16-04 sfc 26.9 8.6 1.55 <0.04 <0.002 <0.008 0.08 0.02 0.5 <0.1
7.3 29.3 2.4 2.01 <.04 .23 <.008 .04 .11 .2 <.1
13.6 29.7 1.7 2.21 <.04 .33 <.008 <.02 .11 <.1 <.1
19 29.8 1.2 2.31 <.04 .42 <.008 <.02 <.0001 <.1 <.1
37.1 29.9 1.2 2.43 <.04 .42 <.008 .02 .12 .1 <.1
L16 07-16-04 sfc 26.4 8.3 1.78 <.04 <.002 <.008 .07 .03 .4 <.1
5 29.0 2.1 2.00 .04 .08 <.008 .05 .10 .3 <.1
9 29.4 1.0 2.35 .06 .22 <.008 .03 .13 .2 <.1
12 29.7 .7 2.61 <.04 .34 <.008 .02 .15 .1 <.1
20 29.8 .6 2.76 <.04 .38 <.008 <.02 .15 <.1 <.1
L18 07-16-04 sfc 26.1 8.2 2.06 <.04 <.002 <.008 .10 .04 .6 <.1
4 26.7 8.7 1.56 <.04 <.002 <.008 – .02 – –
6 27.5 6.3 1.73 <.04 <.002 <.008 .10 .05 .6 <.1
August 2004
L13 08-25-04 sfc 28.1 6.8 2.02 <0.04 0.01 <0.008 0.12 0.06 0.6 <0.1
3 29.1 3.2 2.25 <.04 .18 <.008 .07 .09 .3 <.1
6.1 29.8 1.8 2.31 <.04 .29 <.008 .05 .11 .2 <.1
9.1 30.0 .7 2.27 <.04 .37 <.008 .03 .12 <.1 <.1
39.6 29.6 .5 2.47 <.04 .49 <.008 <.02 .13 <.1 <.1
L14 08-25-04 sfc 27.5 7.8 2.02 <.04 <.002 <.008 .12 .05 .8 <.1
4.6 27.7 7.1 2.02 <.04 <.002 <.008 .13 .05 .9 <.1
9.1 29.7 1.2 2.47 <.04 .34 <.008 .03 .13 <.1 <.1
45.7 29.9 .4 2.60 <.04 .44 <.008 .03 .13 <.1 <.1
L15 08-24-04 sfc 26.3 8.0 2.30 <.04 <.002 <.008 .14 .03 .9 <.1
4.9 27.9 5.7 1.42 <.04 <.002 <.008 .13 .05 .8 <.1
8.5 29.3 1.0 1.72 <.04 .01 <.008 .05 .09 .2 <.1
L16 08-24-04 sfc 25.9 8.4 2.32 <.04 <.002 <.008 .16 .03 1.5 <.1
3 27.7 7.0 2.20 <.04 <.002 <.008 .12 .05 .7 <.1
6.1 28.4 5.0 2.21 <.04 <.002 <.008 .11 .07 .6 <.1
9.1 29.4 .2 2.55 <.04 .14 .018 .05 .14 .2 <.1
15.2 29.6 .3 2.64 <.04 .18 .040 .04 .15 .2 <.1
L17 08-24-04 sfc 26.6 9.2 2.21 <.04 <.002 <.008 .21 .03 1.9 <.1
2.7 24.9 8.9 2.42 <.04 <.002 <.008 .15 .03 1.1 <.1
L18 08-23-04 sfc 25.6 8.3 2.48 <.04 <.002 <.008 .11 .03 .9 <.1
6.1 26.3 4.5 2.37 <.04 <.002 <.008 .14 .05 1.2 <.1
L19 08-23-04 sfc 27.0 9.0 2.15 <.04 <.002 <.008 .13 .03 .9 <.1
4.6 28.2 7.2 1.44 <.04 <.002 <.008 .15 .04 1.0 <.1
8.5 29.2 1.2 2.17 <.04 .04 <.008 .09 .10 .5 <.1
24.4 29.9 .4 2.77 <.04 .39 <.008 .06 .14 .2 <.1
36.6 29.9 .5 2.69 <.04 .42 <.008 <.02 .14 <.1 <.1
L20 08-23-04 sfc 25.1 7.4 2.67 <.04 <.002 <.008 .12 .05 .7 <.1
2.4 25.8 8.1 2.44 <.04 <.002 <.008 .13 .04 1.1 <.1
L21 08-24-04 sfc 24.6 6.8 2.79 <.04 .003 <.008 .10 .06 .5 <.1
4.3 28.0 5.2 2.26 <.04 <.002 <.008 .10 .06 .5 <.1
L22 08-23-04 sfc 24.6 6.4 2.86 <.04 <.002 <.008 .11 .06 .6 <.1
2.4 24.6 5.8 2.89 <.04 .003 <.008 .10 .06 .6 <.1
September 2004
L13 09-23-04 sfc 17.7 9.8 1.68 <0.04 0.01 <0.008 0.02 0.04 0.1 <0.1
4.6 26.5 9.7 .42 <.04 <.002 <.008 .06 .07 .3 <.1
9.1 29.7 1.8 2.03 <.04 .40 <.008 .04 .12 .2 <.1
13.7 29.8 1.4 2.26 <.04 .42 <.008 .03 .13 .2 <.1
39.6 30.2 1.0 2.03 <.04 .36 <.008 <.02 .11 <.1 <.1
L14 09-23-04 sfc 20.0 10.4 1.29 <.04 <.002 <.008 .05 .04 .3 <.1
3 28.4 8.1 .70 <.04 .06 <.008 .10 .08 .5 <.1
6.1 29.3 4.4 1.25 <.04 .29 <.008 .09 .11 .5 <.1
9.1 29.6 2.3 1.79 <.04 .36 <.008 .07 .12 .4 <.1
48.7 30.2 1.1 2.51 <.04 .44 <.008 <.02 .13 <.1 <.1
L15 09-21-04 sfc 19.2 10.9 1.63 <.04 <.002 <.008 .07 .04 .5 <.1
4.6 26.1 8.5 1.14 <.04 <.002 <.008 .04 .09 .2 <.1
12.1 29.6 .8 2.70 .08 .06 .019 .08 .22 .4 <.1
L16 09-21-04 sfc 19.6 11.6 1.09 <.04 <.002 <.008 .07 .03 .5 <.1
3 24.9 7.6 1.05 <.04 <.002 <.008 .06 .09 .4 <.1
6.1 28.1 9.8 1.29 <.04 <.002 <.008 .07 .07 .4 <.1
9.1 29.4 3.2 1.71 <.04 .16 <.008 .10 .14 .5 <.1
15.2 29.9 .3 2.75 .05 .19 .033 .03 .18 .2 <.1
L17 09-21-04 sfc 21.7 10.9 .92 <.04 <.002 <.008 .07 .04 .4 <.1
2.4 25.6 10.4 .98 <.04 <.002 <.008 .06 .07 .4 <.1
L18 09-21-04 sfc 17.8 11.4 1.37 <.04 <.002 <.008 .06 .03 .3 <.1
3 24.0 9.1 1.42 <.04 <.002 <.008 .09 .06 .5 <.1
6.1 28.3 4.4 1.56 <.04 .04 <.008 .07 .12 .3 <.1
L19 09-22-04 sfc 26.8 10.9 1.08 <.04 <.002 <.008 .07 .03 .5 <.1
4.6 26.8 8.9 .80 <.04 <.002 <.008 .04 .08 .2 <.1
9.1 29.6 1.9 2.09 <.04 .38 <.008 .05 .13 .3 <.1
14.6 – 1.0 2.31 <.04 .39 <.008 .03 .13 .2 <.1
36 29.8 .1 2.32 <.04 .34 <.008 <.02 .12 .1 <.1
L20 09-21-04 sfc 16.3 11.0 1.98 <.04 <.002 <.008 .08 .03 .5 <.1
2.4 24.3 10.3 1.30 <.04 <.002 <.008 .08 .06 .4 <.1
L21 09-21-04 1.2 20.6 10.5 1.75 <.04 <.002 <.008 .08 .04 .5 <.1
3.7 26.0 8.4 1.16 <.04 .003 <.008 .06 .08 .3 <.1
L22 09-21-04 sfc 17.4 10.5 2.08 <.04 <.002 <.008 .13 .03 .6 <.1
2.1 21.5 9.2 1.13 <.04 .003 <.008 .07 .05 .4 <.1
October 2004
L13 10-20-04 sfc 18.3 8.3 2.45 <0.04 0.14 <0.008 0.06 0.06 0.3 <0.1
4.6 25.8 7.0 1.88 <.04 .22 <.008 .05 .09 .2 <.1
9.1 30.0 3.3 2.30 <.04 .35 <.008 .04 .13 .2 <.1
13.7 30.3 1.6 2.31 <.04 .40 <.008 .03 .13 .2 <.1
44.2 30.5 2.4 2.10 <.04 .41 <.008 <.02 .12 <.1 <.1
L14 10-20-04 sfc 15.7 8.5 2.49 <.04 .15 <.008 .07 .06 .4 <.1
4.6 27.6 6.0 1.84 <.04 .15 <.008 .06 .09 .3 <.1
9.1 29.8 2.6 2.32 <.04 .35 <.008 .04 .14 .2 <.1
13.7 30.2 1.6 2.36 <.04 .36 <.008 .04 .14 .2 <.1
53.3 30.4 2.0 2.19 <.04 .41 <.008 .03 .12 .2 <.1
L15 10-18-04 sfc 24.2 8.4 1.53 <0.04 0.05 <0.008 0.08 0.07 0.4 <0.1
1.7 29.3 1.4 1.54 .08 .03 <.008 .09 .14 .4 <.1
L16 10-18-04 sfc 24.1 8.3 1.53 <.04 .05 <.008 .06 .07 .3 <.1
3.1 25.1 7.6 1.54 <.04 .07 <.008 .07 .08 .3 <.1
6.1 27.6 6.2 1.49 <.04 .12 <.008 .06 .09 .3 <.1
9.1 29.6 3.9 1.21 <.04 .09 <.008 .04 .09 .2 <.1
18.2 30.1 .3 2.80 .08 .04 .099 .05 .19 .2 <.1
L17 10-18-04 sfc 24.1 8.1 1.56 <.04 .05 <.008 .05 .08 .3 <.1
2.4 26.0 6.5 1.36 <.04 .09 <.008 .04 .08 .2 <.1
L18 10-18-04 sfc 23.3 8.0 1.56 <.04 .04 <.008 .06 .07 .3 <.1
3.7 23.6 7.6 1.56 <.04 .05 <.008 .05 .08 .2 <.1
6.7 27.0 5.0 1.69 <.04 .10 <.008 – .11 – –
L19 10-20-04 sfc 23.0 7.7 1.90 <.04 .13 <.008 .06 .08 .3 <.1
4.6 27.5 6.3 1.89 <.04 .20 <.008 .06 .11 .4 <.1
9.1 30.0 2.3 2.42 .05 .18 .017 .09 .17 .5 <.1
13.7 30.2 .6 2.67 <.04 .24 .020 .05 .18 .2 <.1
38.1 30.4 1.6 2.29 <.04 .41 <.008 .03 .13 .2 <.1
L20 10-18-04 sfc 23.0 8.1 1.65 <.04 .05 <.008 .04 .07 .2 <.1
3.1 23.7 8.1 1.48 <.04 .04 <.008 .07 .07 .3 <.1
L21 10-18-04 sfc 23.2 8.0 1.60 <.04 .04 <.008 .06 .07 .4 <.1
3.7 23.5 7.8 1.58 <.04 .04 <.008 .06 .07 .3 <.1
L22 10-18-04 22.0 8.0 1.73 .06 .05 <.008 .04 .07 .2 <.1
2.1 22.6 7.6 1.57 .04 .04 <.008 .03 .07 .2 <.1
Water-quality site No. Date Sampling depth (m) Particulate organic carbon, (mg/L) Pheophytin a, phyto-plankton (µg/L) Chlorphyll a, phyto-plankton (µg/L) δ15N in NO3, water, filtered (per mil) δ18O in NO3, water, filtered (per mil) δ13 C in particulate organic matter (per mil) δ15N in particulate organic matter (per mil) Atomic ratio of carbon to nitrogen
July 2004
L13 07-16-04 sfc 0.4 1.0 2.9 – – – – –
7.3 .2 .4 .6 – – – – –
13.6 <.1 .2 .1 – – – – –
19 <.1 .2 <.1 – – – – –
37.1 <.1 .3 <.1 – – – – –
L16 07-16-04 sfc .4 .5 1.9 – – – – –
5 .3 1.5 3.6 – – – – –
9 .2 .3 .7 – – – – –
12 <.1 .2 .2 – – – – –
20 <.1 .2 .1 – – – – –
L18 07-16-04 sfc .6 1.1 3.2 – – – – –
4 – .9 4.2 – – – – –
6 .5 1.0 2.4 – – – – –
August 2004
L13 08-25-04 sfc 0.6 1.3 2.4 – – – – –
3 .3 .6 2.0 – – – – –
6.1 .2 .6 1.1 – – – – –
9.1 <.1 .2 .3 – – – – –
39.6 <.1 <.1 <.1 – – – – –
L14 08-25-04 sfc .8 .9 3.6 – – – – –
4.6 .9 1.1 3.2 – – – – –
9.1 <.1 .2 .4 – – – – –
45.7 <.1 .1 <.1 – – – – –
L15 08-24-04 sfc .9 .5 2.6 – – – – –
4.9 .8 1.1 3.7 – – – – –
8.5 .2 .7 2.6 – – – – –
L16 08-24-04 sfc 1.5 .9 4.1 – – – – –
3 .6 .9 2.6 – – – – –
6.1 .6 .9 2.8 – – – – –
9.1 .2 .4 1.0 – – – – –
15.2 .2 .2 .5 – – – – –
L17 08-24-04 sfc 1.8 1.5 6.9 – – – – –
2.7 1.1 .9 3.7 – – – – –
L18 08-23-04 sfc .9 1.0 2.8 – – – – –
6.1 1.1 1.0 2.5 – – – – –
L19 08-23-04 sfc .9 1.1 3.0 – – – – –
4.6 1.0 2.2 4.8 – – – – –
8.5 .5 1.5 3.5 – – – – –
24.4 .2 .1 .1 – – – – –
36.6 <.1 .1 <.1 – – – – –
L20 08-23-04 sfc .7 1.1 3.1 – – – – –
2.4 1.1 1.8 4.7 – – – – –
L21 08-24-04 sfc .5 1.1 2.8 – – – – –
4.3 .5 1.2 4.5 – – – – –
L22 08-23-04 sfc .6 1.3 3.7 – – – – –
2.4 .6 1.6 4.3 – – – – –
September 2004
L13 09-23-04 sfc <.1 0.4 0.8 – – -25.5 8.1 7.3
4.6 .3 1.0 2.1 – – -24.2 11.7 8.4
9.1 .2 1.4 2.2 8.23 4.25 -25.2 8.5 6.7
13.7 .2 1.2 1.9 8.44 3.87 -25.3 7.1 5.8
39.6 <.1 .3 .1 8.43 2.79 -24.4 6.8 7.6
L14 09-23-04 sfc .2 .5 1.1 – – -24.1 7.9 6.3
3 .5 2.9 7.8 15.6 18.5 -22.8 7.0 6.3
6.1 .4 4.0 8.2 10.4 5.32 -23.5 6.4 6.2
9.1 .3 2.7 4.3 8.94 6.65 -24.1 9.4 6.3
48.7 <.1 .6 .2 8.34 4.22 -24.1 7.2 7.9
L15 09-21-04 sfc .5 1.2 1.7 – – -24.7 7.7 7.1
4.6 .2 E.6 E1.2 – – -23.9 9.6 7.4
12.1 .3 1.4 3.9 12.6 13.1 -24.7 6.4 6.7
L16 09-21-04 sfc .5 1.8 1.2 – – -24.4 8.8 8.0
3 .4 1.1 2.4 – – -23.6 10.1 7.0
6.1 .4 .8 1.1 – – -24.4 7.6 7.3
9.1 .5 E3.4 E8.0 12.1 11.6 -23.1 10.9 6.8
15.2 .2 E.7 E1.5 12.4 9.00 -24.3 6.1 7.0
L17 09-21-04 sfc .4 1.4 2.4 – – -24.2 8.1 6.3
2.4 .3 .9 1.4 – – -23.7 8.0 6.8
L18 09-21-04 sfc .3 1.2 1.4 – – -24.3 9.3 6.9
3 .5 1.1 2.2 – – -24.6 10.0 7.0
6.1 .3 E1.4 E3.2 10.9 19.1 -24.1 9.4 9.3
L19 09-22-04 sfc .4 .9 1.4 – – -24.8 8.0 7.5
4.6 .2 .5 1.1 – – -23.5 8.5 6.4
9.1 .2 E1.6 E3.0 9.16 6.67 – – –
14.6 .2 E1.0 E1.8 9.08 5.66 -24.8 12.6 6.4
36 <.1 .3 .2 9.09 5.55 -25.9 8.7 8.9
L20 09-21-04 sfc .5 1.3 2.0 – – -25.2 9.0 7.8
2.4 .4 .8 1.7 – – -24.7 11.2 6.8
L21 09-21-04 1.2 .5 E1.6 E1.9 – – -24.6 9.8 6.9
3.7 .3 .9 1.4 – – -22.5 8.0 6.0
L22 09-21-04 sfc .6 2.1 2.6 – – -25.7 E8.3 7.7
2.1 .4 1.3 2.2 – – -24.0 8.6 6.9
October 2004
L13 10-20-04 sfc 0.3 0.8 1.6 – – – – –
4.6 .2 .6 1.2 – – – – –
9.1 .2 .5 1.2 – – – – –
13.7 .2 .3 .6 – – – – –
44.2 <.1 .2 <.1 – – – – –
L14 10-20-04 sfc .4 .7 1.6 – – – – –
4.6 .3 .8 1.8 – – – – –
9.1 .2 .5 1.1 – – – – –
13.7 .2 .3 .6 – – – – –
53.3 .1 .2 <.1 – – – – –
L15 10-18-04 sfc 0.4 0.9 1.9 – – – – –
1.7 .4 1.0 2.1 – – – – –
L16 10-18-04 sfc .3 1.0 2.0 – – – – –
3.1 .3 .9 2.0 – – – – –
6.1 .3 .8 1.9 – – – – –
9.1 .1 .8 1.6 – – – – –
18.2 .2 .6 .6 – – – – –
L17 10-18-04 sfc .3 1.0 1.7 – – – – –
2.4 .2 .7 1.6 – – – – –
L18 10-18-04 sfc .3 .9 1.3 – – – – –
3.7 .2 1.0 1.9 – – – – –
6.7 .9 1.6 – – – – –
L19 10-20-04 sfc .3 .7 1.5 – – – – –
4.6 .4 .8 1.5 – – – – –
9.1 .4 1.4 3.3 – – – – –
13.7 .2 .9 1.9 – – – – –
38.1 .1 .4 .2 – – – – –
L20 10-18-04 sfc .2 .8 1.4 – – – – –
3.1 .3 1.2 1.9 – – – – –
L21 10-18-04 sfc .4 .8 1.3 – – – – –
3.7 .3 1.1 1.8 – – – – –
L22 10-18-04 sfc .2 .5 .6 – – – – –
2.1 .2 .6 1.1 – – – – –

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