Scientific Investigations Report 2006–5106
U.S. GEOLOGICAL SURVEY
Scientific Investigations Report 2006–5106
Table 14. Concentrations of dissolved constituents and suspended sediment for replicate and blank samples collected from the marine waters of Lynch Cove, western Washington, September and October 2004.
[Locations of water-quality sites are shown in figure 7. Sampling depth: sfc, surface. Data type: B, blank; E, environmental sample; R, replicate sample. Abbreviations: δ13C, isotope fractionation of carbon (see equation 7); δ15N, isotope fractionation of nitrogen (see equation 5). mg/L, milligram per liter; mg/L, microgram per liter; E, estimated value; <, less than; –, not available]
| Water-quality site No. | Date | Data type | Sampling depth (m) | Concentration | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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) | ||||
| Blank samples | ||||||||||||
| L14 | 09-24-04 | B | – | – | – | <0.006 | 1<0.04 | <0.0021 | <0.008 | – | <0.0001 | – |
| L19 | 08-23-04 | B | – | – | – | – | – | – | – | <0.02 | – | <0.1 |
| 09-23-04 | B | – | – | – | – | – | – | – | <.02 | – | <.1 | |
| 10-20-04 | B | – | – | – | <.006 | 1 <.04 | <.0021 | <.008 | – | <.0001 | – | |
| Replicate samples | ||||||||||||
| L13 | 08-25-04 | E | 3 | – | 3.2 | 2.25 | <0.04 | 0.18 | <0.008 | – | 0.09 | – |
| R | 3 | – | 3.2 | 2.24 | <.04 | .18 | <.008 | – | .09 | – | ||
| 09-23-04 | E | 4.6 | – | – | – | – | – | – | – | – | – | |
| R | 4.6 | – | – | – | – | – | – | – | – | – | ||
| E | 39.6 | 30.1 | – | – | – | – | – | – | – | – | ||
| R | 39.6 | 30.2 | – | – | – | – | – | – | – | – | ||
| L14 | 08-25-04 | E | sfc | 27.5 | – | – | – | – | – | – | – | – |
| R | sfc | 27.5 | – | – | – | – | – | – | – | – | ||
| E | 4.6 | – | – | – | – | – | – | 0.13 | – | 0.9 | ||
| R | 4.6 | – | – | – | – | – | – | .13 | – | .8 | ||
| 09-23-04 | E | sfc | – | – | – | – | – | – | – | – | – | |
| R | sfc | – | – | – | – | – | – | – | – | – | ||
| E | 9.1 | – | – | – | – | – | – | .07 | – | .4 | ||
| R | 9.1 | – | – | – | – | – | – | .07 | – | .4 | ||
| L15 | 08-24-04 | E | sfc | – | – | – | – | – | – | – | – | – |
| R | sfc | – | – | – | – | – | – | – | – | – | ||
| L16 | 08-24-04 | E | 9.1 | – | .2 | – | – | – | – | .05 | – | .2 |
| R | 9.1 | – | .5 | – | – | – | – | .06 | – | .3 | ||
| E | 15.2 | – | – | – | – | – | – | – | – | – | ||
| R | 15.2 | – | – | – | – | – | – | – | – | – | ||
| L18 | 09-21-04 | E | sfc | – | – | – | – | – | – | – | – | – |
| R | sfc | – | – | – | – | – | – | – | – | – | ||
| E | 6.1 | – | – | 1.56 | <.04 | .04 | <.008 | – | .12 | – | ||
| R | 6.1 | – | – | 1.58 | <.04 | .04 | <.008 | – | .12 | – | ||
| 10-18-04 | E | sfc | – | – | – | – | – | – | – | – | – | |
| R | sfc | – | – | – | – | – | – | – | – | – | ||
| E | 3.7 | – | – | 1.56 | <.04 | .05 | <.008 | – | .08 | – | ||
| R | 3.7 | – | – | 1.56 | <.04 | .04 | <.008 | – | .07 | – | ||
| L19 | 09-22-04 | E | srfc | – | – | – | – | – | – | .07 | – | .5 |
| R | srfc | – | – | – | – | – | – | .08 | – | .5 | ||
| E | 9.1 | – | – | – | – | – | – | – | – | – | ||
| R | 9.1 | – | – | – | – | – | – | – | – | – | ||
| E | 36 | – | – | 2.32 | <.04 | .34 | <.008 | – | .12 | – | ||
| R | 36 | – | – | 2.76 | <.04 | .42 | <.008 | – | .14 | – | ||
| L20 | 08-23-04 | E | 2.4 | 25.8 | – | 2.44 | <.04 | <.002 | <.008 | – | .04 | – |
| R | 2.4 | 25.8 | – | 2.21 | <.04 | <.002 | <.008 | – | .04 | – | ||
| 09-21-04 | E | sfc | – | 11 | – | – | – | – | – | – | – | |
| R | sfc | – | 11 | – | – | – | – | – | – | – | ||
| L21 | 10-18-04 | E | 3.7 | – | – | – | – | – | – | .06 | – | .3 |
| R | 3.7 | – | – | – | – | – | – | .06 | – | .3 | ||
| L22 | 09-21-04 | E | sfc | 17.4 | – | – | – | – | – | – | – | – |
| R | sfc | 17.4 | – | – | – | – | – | – | – | – | ||
| Water-quality site No. | Date | Time | Sampling depth | Concentration | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Particulate inorganic carbon (mg/L) | Particulate organic carbon (mg/L) | Pheophytin a, phyto-plankton (mg/L) | Chlorophyll a, phyto-plankton (mg/L) | δ13C in particulate organic matter (per mil) |
δ15N in particulate organic matter (per mil) |
Atomic ratio of carbon to nitrogen | ||||
| Blank samples | ||||||||||
| L14 | 09-24-04 | 1205 | – | – | – | – | – | – | – | – |
| L19 | 08-23-04 | 1500 | – | <0.1 | <0.1 | <0.02 | <0.02 | – | – | – |
| 09-23-04 | 0952 | – | <.1 | <.1 | <.1 | <.1 | – | – | – | |
| 10-20-04 | 1255 | – | – | – | – | – | – | – | – | |
| Replicate samples | ||||||||||
| L13 | 08-25-04 | E | 3 | – | – | – | – | – | – | – |
| R | 3 | – | – | – | – | – | – | – | ||
| 09-23-04 | E | 4.6 | – | – | 2.1 | 1 | – | – | – | |
| R | 4.6 | – | – | E.8 | E1.7 | – | – | – | ||
| E | 39.6 | – | – | – | – | – | – | – | ||
| R | 39.6 | – | – | – | – | – | – | – | ||
| L14 | 08-25-04 | E | sfc | – | – | – | – | – | – | – |
| R | sfc | – | – | – | – | – | – | – | ||
| E | 4.6 | <.1 | 0.9 | – | – | – | – | – | ||
| R | 4.6 | <.1 | .7 | – | – | – | – | – | ||
| 09-23-04 | E | sfc | – | – | – | – | -24.1 | 7.9 | 6.3 | |
| R | sfc | – | – | – | – | -24.3 | – | 7.3 | ||
| E | 9.1 | <.1 | .3 | – | – | – | – | – | ||
| R | 9.1 | <.1 | .4 | – | – | – | – | – | ||
| L15 | 08-24-04 | E | sfc | – | – | .5 | 2.6 | – | – | – |
| R | sfc | – | – | 1.1 | 3.6 | – | – | – | ||
| L16 | 08-24-04 | E | 9.1 | <.1 | .2 | – | – | – | – | – |
| R | 9.1 | <.1 | .2 | – | – | – | – | – | ||
| E | 15.2 | – | – | .2 | .5 | – | – | – | ||
| R | 15.2 | – | – | .3 | .6 | – | – | – | ||
| L18 | 09-21-04 | E | sfc | – | – | – | – | -24.3 | 9.3 | 6.9 |
| R | sfc | – | – | – | – | -24.9 | 9.5 | 7.6 | ||
| E | 6.1 | – | – | – | – | – | – | – | ||
| R | 6.1 | – | – | – | – | – | – | – | ||
| 10-18-04 | E | sfc | – | – | .9 | 1.3 | – | – | – | |
| R | sfc | – | – | .9 | 1.5 | – | – | – | ||
| E | 3.7 | – | – | – | – | – | – | – | ||
| R | 3.7 | – | – | – | – | – | – | – | ||
| L19 | 09-22-04 | E | srfc | <.1 | .4 | – | – | – | – | – |
| R | srfc | <.1 | .5 | – | – | – | – | – | ||
| E | 9.1 | – | – | E1.6 | E2.9 | – | – | – | ||
| R | 9.1 | – | – | E1.9 | E3.2 | – | – | – | ||
| E | 36 | – | – | – | – | – | – | – | ||
| R | 36 | – | – | – | – | – | – | – | ||
| L20 | 08-23-04 | E | 2.4 | – | – | – | – | – | – | – |
| R | 2.4 | – | – | – | – | – | – | – | ||
| 09-21-04 | E | sfc | – | – | – | – | – | – | – | |
| R | sfc | – | – | – | – | – | – | – | ||
| L21 | 10-18-04 | E | 3.66 | <.1 | .3 | – | – | – | – | – |
| R | 3.66 | <.1 | .3 | – | – | – | – | – | ||
| L22 | 09-21-04 | E | sfc | – | – | – | – | – | – | – |
| R | sfc | – | – | – | – | – | – | – | ||
1The analyses of two filtered distilled water blanks using calibrations of nutrients in a seawater matrix for colorimetric methods were conducted to detect gross contamination during seawater sample processing and cannot be used in determining the detection limit for a seawater matrix. The two distilled water blanks analyzed with a seawater calibration were less than the reporting concentration of 0.04 mg/L for ammonia from Frans and others, 2006, where four distilled water filtering blanks analyzed using freshwater calibration curves were below the reporting level.
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