2008 Annual Monitoring Report (pdf 10.9MB) - Bolsa Chica ...

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Bolsa Chica Lowlands Restoration Monitoring 2008 Annual Report Table 1-3. Soils monitoring results (September 2008). RABBIT ISLAND northwest portion of FTB, lower portions intertidal FULL TIDAL BASIN open to ocean WEST MUTED TIDAL BASIN open to FTB CENTRAL MUTED TIDAL BASIN closed to FTB but flooded by leaked seawater EAST MUTED TIDAL BASIN closed to FTB, but water in low areas MUTED POCKET MARSH intertidal through culverts to Outer Bolsa Bay (not FTB) Transect Rep Total Organic Carbon (mg/kg) Mean Grain Size Description Pore Water pH 5cm deep Pore Water pH 15cm deep Pore Water Salinity (ppt) 5cm deep Pore Water Salinity (ppt) 15cm deep Notes RI1 A 4,400 Fine Sand N/M N/M N/M N/M dry, Sarcocornia, iceplant B 1,400 Fine Sand N/M N/M N/M N/M dry, Distichlis, Sarcocornia C 14,000 Fine Sand 7.98 7.98 35 35 underwater, algal mat RI2 A 9,400 Fine Sand 6.75 6.75 45 40 Sarcocornia B 16,000 Fine Sand N/M N/M N/M N/M dry C 16,000 Fine Sand 6.92 7.17 50 49 mudflat RI3 A 15,000 Fine Sand N/M N/M 35 42 B 26,000 Fine Sand N/M N/M N/M N/M Sarc, Distichlis, high point sand dune C 15,000 Fine Sand N/M N/M 39 N/M FTB North A 3,400 Fine Sand N/M N/M N/M N/M bare, fluffy levee dirt B 1,700 Silt N/M N/M N/M N/M no veg, in clay layer C 2,100 Fine Sand N/M N/M 65 65 on mudflat in pickleweed FTB E1 A 2,900 Fine Sand 8.34 8.34 35 35 underwater, water measured B 4,200 Fine Sand 8.34 8.34 35 35 underwater, water measured C 5,800 Fine Sand 8.34 8.34 35 35 underwater, water measured FTB E2 A 3,400 Fine Sand 8.29 8.29 35 35 underwater, water measured B 3,300 Fine Sand 8.29 8.29 35 35 underwater, water measured C 2,000 Fine Sand 8.29 8.29 35 35 underwater, water measured FTB E3 A 3,500 Fine Sand 8.27 8.27 35 35 underwater, water measured B 8,200 Fine Sand 8.27 8.27 35 35 underwater, water measured C 2,300 Fine Sand 8.27 8.27 35 35 underwater, water measured WMTB 1 A 15,000 Silt N/M N/M > 100 > 100 damp, iceplants B 12,000 Silt 8.17 8.17 50 50 all Distichlis, underwater, water measured C 18,000 Silt 6.64 6.64 60 55 saturated WMTB 2 A 22,000 Fine Sand 8.43 8.43 40 40 underwater, water meas, submerged Sarc B 33,000 Fine Sand 8.37 8.37 40 40 underwater, water meas, submerged Sarc C 13,000 Silt 8.40 8.40 40 40 underwater, water meas, submerged Sarc WMTB 3 A 19,000 Fine Sand 7.85 7.85 39 39 underwater B 21,000 Silt 8.82 8.82 35 35 underwater in Distichlis C 13,000 Silt 8.67 8.67 36 36 underwater in Distichlis CMTB 1 A 11,000 Fine Sand 7.38 6.66 100 80 saturated, sampled water pooled in holes B 29,000 Fine Sand N/M 6.86 70 65 very damp marsh C 18,000 Silt 7.88 7.88 72 72 underwater, water meas, submerged Sarc CMTB 2 A 19,000 Silt 6.65 6.53 50 50 no veg B 23,000 Fine Sand 6.79 6.79 52 52 underwater, water meas, submerged Sarc C 20,000 Silt 6.20 6.23 72 58 dead iceplant CMTB 3 A 3,200 Fine Sand 5.47 5.33 > 100 > 100 Red iron in H20 B 4,100 Fine Sand N/M N/M N/M N/M Totally dry, no pore water C 6,400 Fine Sand N/M N/M > 100 N/M deep dry clay, poreH20 at surface EMTB 1 A 5,900 Silt N/M N/M 59 59 damp but no pooled water, syringed salin B 12,000 Silt N/M N/M N/M N/M dry, no pore water C 3,600 Silt 8.63 8.63 54 54 underwater, water measured EMTB 2 A 100,000 Silt N/M N/M N/M N/M dry, no pore water B 95,000 Silt N/M N/M N/M N/M damp but not wet enough to get water C 5,800 Silt 8.60 8.60 61 61 underwater, water measured EMTB 3 A 6,900 Silt N/M N/M N/M N/M dry, no pore water B 61,000 Silt N/M N/M N/M N/M dry, no pore water C 7,200 Silt 8.90 8.90 60 60 underwater, water measured PM1 A 12,000 Fine Sand N/M N/M 50 50 B 23,000 Silt 6.87 N/M 40 38 C 48,000 Silt N/M N/M 49 42 PM2 A 44,000 Fine Sand N/M N/M 50 50 B 60,000 Fine Sand 6.64 N/M 45 55 C 62,000 Silt 7.54 7.54 35 35 underwater, water measured PM3 A 36,000 Fine Sand N/M 6.65 40 40 B 51,000 Silt 6.82 6.82 40 40 C 20,000 Silt 7.58 7.58 35 35 underwater, water measured N/M – not measured because soil was too dry to extract pore water. Merkel & Associates, Inc. 35
Bolsa Chica Lowlands Restoration Monitoring 2008 Annual Report Table 1-4. Soil grain size analysis results (September 2008). Median Particle Size Distribution, wt. percent Silt Transect- Mean Grain Size Grain Sand Size & Replicate Description Size (mm) Gravel Coarse Medium Fine Silt Clay Clay RI 1-A Fine sand 0.235 0.00 0.00 15.26 80.94 3.06 0.74 3.80 RI 1-B Fine sand 0.283 0.00 0.00 20.46 77.39 1.63 0.51 2.14 RI 1-C Fine sand 0.251 0.00 0.00 20.72 68.35 9.35 1.58 10.93 RI 2-A Fine sand 0.232 0.00 0.00 17.47 70.12 10.93 1.48 12.41 RI 2-B Fine sand 0.253 0.00 0.00 14.53 80.55 3.96 0.96 4.92 RI 2-C Fine sand 0.141 0.00 0.00 12.70 55.81 28.92 2.57 31.49 RI 3-A Fine sand 0.251 0.00 0.00 18.74 73.99 6.43 0.84 7.27 RI 3-B Fine sand 0.222 0.00 0.00 10.00 81.35 7.44 1.21 8.65 RI 3-C Fine sand 0.229 0.00 0.00 12.62 79.01 7.18 1.20 8.38 FTB NO-A Fine sand 0.100 0.00 0.00 4.67 53.34 34.01 7.98 41.99 FTB NO-B Silt 0.046 0.00 0.00 0.00 36.99 52.38 10.63 63.01 FTB NO-C Fine sand 0.098 0.00 0.00 3.37 57.48 33.36 5.79 39.15 FTB E 1-A Fine sand 0.187 0.00 0.00 15.84 64.96 15.58 3.62 19.20 FTB E 1-B Fine sand 0.071 0.00 0.00 5.92 43.05 41.76 9.26 51.03 FTB E 1-C Fine sand 0.099 0.00 0.00 12.49 46.47 32.84 8.19 41.03 FTB E 2-A Fine sand 0.063 0.00 0.00 3.61 42.82 44.79 8.78 53.57 FTB E 2-B Fine sand 0.075 0.00 0.00 3.45 46.81 40.55 9.20 49.75 FTB E 2-C Fine sand 0.114 0.00 0.00 6.97 64.56 23.78 4.69 28.47 FTB E 3-A Fine sand 0.081 0.00 0.00 8.38 44.11 38.10 9.40 47.50 FTB E 3-B Fine sand 0.104 0.00 0.00 8.63 52.27 30.82 8.28 39.10 FTB E 3-C Fine sand 0.094 0.00 0.00 3.85 53.35 35.03 7.77 42.80 WMTB 1-A Silt 0.032 0.00 0.00 8.53 24.18 51.28 16.01 67.29 WMTB 1-B Silt 0.026 0.00 0.00 5.12 18.38 59.74 16.77 76.50 WMTB 1-C Silt 0.022 0.00 0.00 3.15 17.08 61.71 18.05 79.77 WMTB 2-A Fine sand 0.039 0.00 0.00 20.64 22.40 40.04 16.93 56.97 WMTB 2-B Fine sand 0.029 0.00 0.00 11.22 23.73 47.66 17.39 65.05 WMTB 2-C Silt 0.014 0.00 0.00 0.01 9.34 65.88 24.77 90.65 WMTB 3-A Fine sand 0.105 0.00 0.00 25.81 29.53 34.87 9.79 44.66 WMTB 3-B Silt 0.024 0.00 0.00 6.67 20.26 56.09 16.99 73.08 WMTB 3-C Silt 0.019 0.00 0.00 5.82 17.89 57.38 18.90 76.29 CMTB 1-A Fine sand 0.210 0.00 0.00 32.19 51.12 13.69 3.00 16.69 CMTB 1-B Fine sand 0.128 0.00 0.00 22.57 39.23 31.44 6.76 38.20 CMTB 1-C Silt 0.022 0.00 0.00 3.96 19.28 58.26 18.49 76.76 CMTB 2-A Silt 0.030 0.00 0.00 8.91 22.56 53.03 15.50 68.53 CMTB 2-B Fine sand 0.130 0.00 0.00 25.67 33.21 32.64 8.49 41.13 CMTB 2-C Silt 0.012 0.00 0.00 0.02 12.56 61.20 26.22 87.42 CMTB 3-A Fine sand 0.092 0.00 0.00 6.37 50.58 33.76 9.29 43.05 CMTB 3-B Fine sand 0.093 0.00 0.00 2.36 58.02 33.44 6.17 39.62 CMTB 3-C Fine sand 0.083 0.00 0.00 6.01 47.17 40.60 6.22 46.82 EMTB 1-A Silt 0.057 0.00 0.00 5.07 33.93 55.13 5.87 61.00 EMTB 1-B Silt 0.052 0.00 0.00 0.00 35.17 57.26 7.57 64.83 EMTB 1-C Silt 0.041 0.00 0.00 0.00 25.22 65.67 9.11 74.78 EMTB 2-A Silt 0.029 0.00 0.00 7.80 21.44 56.95 13.81 70.76 EMTB 2-B Silt 0.022 0.00 0.00 2.71 15.77 65.64 15.89 81.52 EMTB 2-C Silt 0.024 0.00 0.00 2.23 16.97 62.51 18.30 80.80 EMTB 3-A Silt 0.043 0.00 0.00 0.00 35.58 50.66 13.76 64.42 EMTB 3-B Silt 0.018 0.00 0.00 1.19 17.25 58.94 22.61 81.55 EMTB 3-C Silt 0.022 0.00 0.00 2.71 18.94 59.33 19.03 78.35 MPM 1-A Fine sand 0.109 0.00 0.00 14.24 45.47 32.45 7.84 40.29 MPM 1-B Silt 0.022 0.00 0.00 2.85 22.14 56.22 18.78 75.00 MPM 1-C Silt 0.036 0.00 0.00 3.75 33.52 49.62 13.11 62.73 MPM 2-A Fine sand 0.073 0.00 0.00 8.42 40.96 43.30 7.31 50.62 MPM 2-B Fine sand 0.098 0.00 0.00 3.25 60.64 30.54 5.57 36.11 MPM 2-C Silt 0.037 0.00 0.00 3.26 23.52 59.70 13.51 73.21 MPM 3-A Fine sand 0.051 0.00 0.00 14.73 27.61 48.21 9.45 57.66 MPM 3-B Silt 0.037 0.00 0.00 8.50 25.15 54.38 11.97 66.35 MPM 3-C Silt 0.024 0.00 0.00 2.60 16.72 63.34 17.34 80.68 Merkel & Associates, Inc. 36
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2008 Annual Monitoring Report (pdf 10.9MB) - Bolsa Chica ...

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