| *** Primary Characterization Data *** |
| Pedon ID: S1973CA001001 | ( Alameda, California ) | Print Date: Mar 2 2025 8:47AM |
| Sampled as on May 19, 1973: | Alviso |
| Revised to SSL: | (unnamed) ; Fine, mixed, isomesic Aquollic Salorthid |
| United States Department of Agriculture | ||||
| SSL | - | Project | NL73CA003 ALAMEDA-SNT CRUZ | Natural Resources Conservation Service |
| - | Site ID | S1973CA001001 | National Soil Survey Center | |
| - | Pedon No. | 73C0020 | Soil Survey Laboratory | |
| - | General Methods 1B1A, 2A1, 2B | Lincoln, Nebraska 68508-3866 | ||
| Layer | Horizon | Orig Hzn | Depth (cm) | Field Label 1 | Field Label 2 | Field Label 3 | Field Texture | Lab Texture |
| 73C00137 | A | A1 | 0-10 | 73137 | SICL | SIC | ||
| 73C00138 | B1 | B21 | 10-26 | 73138 | SIC | SIC | ||
| 73C00139 | B2 | B22 | 26-42 | 73139 | SIC | SIC | ||
| 73C00140 | B3 | B23 | 42-69 | 73140 | SIC | SIC | ||
| 73C00141 | C1 | C1 | 69-90 | 73141 | SICL | SIC | ||
| 73C00142 | C2 | C2 | 90-130 | 73142 | SIC | SIC | ||
| 73C00143 | C3 | C3 | 130-170 | 73143 | SIC | SICL | ||
| Pedon Calculations | |||
| Calculation Name | Result | Units of Measure | |
| CEC Activity, CEC7/Clay, Weighted Average | 0.72 | (NA) | |
| Clay, carbonate free, Weighted Average | 47 | % wt | |
| Weighted Particles, 0.1-75mm, 75 mm Base | 1 | % wt | |
| Volume, >2mm, Weighted Average | 0 | % vol | |
| Clay, total, Weighted Average | 47 | % wt | |
| LE, Whole Soil, Summed to 1m | 0 | cm/m | |
| Weighted averages based on control section: 25-100 cm | |||
| PSDA & Rock Fragments | -1- | -2- | -3- | -4- | -5- | -6- | -7- | -8- | -9- | -10- | -11- | -12- | -13- | -14- | -15- | -16- | -17- | -18- | |||
| (- - - - - Total - - - - - -) | (- - Clay - - -) | (- - - - Silt - - - - -) | (- - - - - - - - - - - - Sand - - - - - - - - - - - -) | ( Rock Fragments (mm) ) | |||||||||||||||||
| Lab | Clay | Silt | Sand | Fine | CO3 | Fine | Coarse | VF | F | M | C | VC | (- - - - - - - - Weight - - - - - - - -) | >2 mm | |||||||
| Text- | < | .002 | .05 | < | < | .002 | .02 | .05 | .10 | .25 | .5 | 1 | 2 | 5 | 20 | .1- | wt % | ||||
| Depth | ure | .002 | -.05 | -2 | .0002 | .002 | -.02 | -.05 | -.10 | -.25 | -.50 | -1 | -2 | -5 | -20 | -75 | 75 | whole | |||
| Layer | (cm) | Horz | Prep | (- - - - - - - - - - - - - - - - - - - - - - - - - - % of <2mm Mineral Soil - - - - - - - - - - - - - - - - - - - - - - - - - - -) | (- - - - - - - % of <75mm - - - - - -) | soil | |||||||||||||||
| 3A1a1a | 3A1a1a | 3A1a1a | 3A1a1a | 3A1a1a | 3A1a1a | 3A1a1a | 3A1a1a | 3A1a1a | 3A1a1a | 3A1a1a | 3B1 | 3B1 | 3B1 | ||||||||
| 73C00137 | 0-10 | A | S | sic | 46.3 | 51.2 | 2.5 | 46.4 | 4.8 | 0.7 | 0.6 | 0.2 | 0.4 | 0.6 | -- | -- | -- | 2 | -- | ||
| 73C00138 | 10-26 | B1 | S | sic | 58.8 | 40.4 | 0.8 | 41.4 | -- | 0.2 | 0.3 | 0.1 | 0.1 | 0.1 | -- | -- | -- | 1 | -- | ||
| 73C00139 | 26-42 | B2 | S | sic | 50.9 | 48.6 | 0.5 | 41.7 | 6.9 | 0.2 | 0.2 | -- | 0.1 | -- | -- | -- | -- | tr | -- | ||
| 73C00140 | 42-69 | B3 | S | sic | 47.6 | 50.6 | 1.8 | 38.5 | 12.1 | 1.1 | 0.4 | 0.1 | 0.2 | -- | -- | -- | -- | 1 | -- | ||
| 73C00141 | 69-90 | C1 | S | sic | 46.5 | 50.3 | 3.2 | 36.8 | 13.5 | 1.7 | 0.9 | 0.3 | 0.3 | -- | -- | -- | -- | 2 | -- | ||
| 73C00142 | 90-130 | C2 | S | sic | 42.0 | 54.9 | 3.1 | 32.8 | 22.1 | 2.3 | 0.5 | 0.1 | 0.2 | -- | -- | -- | -- | 1 | -- | ||
| 73C00143 | 130-170 | C3 | S | sicl | 35.5 | 57.2 | 7.3 | 29.1 | 28.1 | 6.1 | 0.7 | 0.1 | 0.3 | 0.1 | -- | -- | -- | 1 | -- | ||
| *** Primary Characterization Data *** |
| Pedon ID: S1973CA001001 | ( Alameda, California ) | Print Date: Mar 2 2025 8:47AM |
| Sampled As | : | Alviso | |||
| USDA-NRCS-NSSC-Soil Survey Laboratory | ; | Pedon No. 73C0020 | |||
| Bulk Density & Moisture | -1- | -2- | -3- | -4- | -5- | -6- | -7- | -8- | -9- | -10- | -11- | -12- | -13- | -14- | |||
| (Bulk Density) | Cole | (- - - - - - - - - - - Water Content - - - - - - - - - - -) | ( Air Dry-Oven Dry ) | WRD | Aggst | ||||||||||||
| 33 | Oven | Whole | 6 | 10 | 33 | 1500 | 1500 kPa | (- - - - Ratio - - - -) | Whole | Stabl | (- - Ratio/Clay - -) | ||||||
| Depth | kPa | Dry | Soil | kPa | kPa | kPa | kPa | Moist | Corrected | Soil | 2-0.5mm | CEC7 | 1500 kPa | ||||
| Layer | (cm) | Horz | Prep | (- - - g cm-3 - - -) | (- - - - - - - - - - - - pct of < 2mm - - - - - - - - - - - -) | cm3 cm-3 | % | ||||||||||
| 4A1d | 4A1h | 4B1c | 4B1c | 3C2a1a | 3D1 | 4C1 | 8D1 | 8D1 | |||||||||
| 73C00137 | 0-10 | A | S | 0.91 | 1.16 | 0.084 | 54.2 | 48.3 | 25.6 | 1.022 | 0.21 | 0.84 | 0.55 | ||||
| 73C00138 | 10-26 | B1 | S | 0.91 | 1.27 | 0.118 | 54.9 | 50.5 | 37.6 | 1.022 | 0.12 | 0.66 | 0.64 | ||||
| 73C00139 | 26-42 | B2 | S | 1.07 | 1.40 | 0.094 | 48.1 | 44.6 | 32.4 | 1.022 | 0.13 | 0.75 | 0.64 | ||||
| 73C00140 | 42-69 | B3 | S | 1.14 | 1.44 | 0.081 | 45.2 | 43.1 | 26.8 | 1.038 | 0.19 | 0.73 | 0.56 | ||||
| 73C00141 | 69-90 | C1 | S | 1.16 | 1.45 | 0.077 | 49.8 | 46.6 | 27.3 | 1.038 | 0.22 | 0.65 | 0.59 | ||||
| 73C00142 | 90-130 | C2 | S | 25.3 | 1.038 | 0.77 | 0.60 | ||||||||||
| 73C00143 | 130-170 | C3 | S | 23.8 | 1.038 | 0.82 | 0.67 | ||||||||||
| Carbon & Extractions | -1- | -2- | -3- | -4- | -5- | -6- | -7- | -8- | -9- | -10- | -11- | -12- | -13- | -14- | -15- | -16- | -17- | -18- | -19- | |||
| (- - - - - Total - - - - -) | Est | OC | C/N | (- - - Dith-Cit Ext - - -) | (- - - - - - Ammonium Oxalate Extraction - - - - - -) | (- - - Na Pyro-Phosphate - - -) | ||||||||||||||||
| Depth | C | N | S | OC | (WB) | Ratio | Fe | Al | Mn | Al+½Fe | ODOE | Fe | Al | Si | Mn | C | Fe | Al | Mn | |||
| Layer | (cm) | Horz | Prep | (- - - - - - - - - - % of <2 mm - - - - - - - - - -) | (- - - - - - - - - - - - - - - - - - - % of < 2mm - - - - - - - - - - - - - - - - -) | mg kg-1 | (- - - - - - % of < 2mm - - - - -) | |||||||||||||||
| 6B3a | 6A1c | 6C2b | 6G7a | |||||||||||||||||||
| 73C00137 | 0-10 | A | S | 0.302 | 3.18 | 11 | 1.5 | 0.2 | ||||||||||||||
| 73C00138 | 10-26 | B1 | S | 0.183 | 1.90 | 10 | 1.4 | 0.2 | ||||||||||||||
| 73C00139 | 26-42 | B2 | S | 0.157 | 1.38 | 9 | 1.3 | 0.2 | ||||||||||||||
| 73C00140 | 42-69 | B3 | S | 0.157 | 1.25 | 8 | 1.7 | 0.2 | ||||||||||||||
| 73C00141 | 69-90 | C1 | S | 0.147 | 1.27 | 9 | 1.8 | 0.2 | ||||||||||||||
| 73C00142 | 90-130 | C2 | S | 0.139 | 1.46 | 11 | 1.5 | 0.2 | ||||||||||||||
| 73C00143 | 130-170 | C3 | S | 0.139 | 1.53 | 11 | 1.4 | 0.1 | ||||||||||||||
| *** Primary Characterization Data *** |
| Pedon ID: S1973CA001001 | ( Alameda, California ) | Print Date: Mar 2 2025 8:47AM |
| Sampled As | : | Alviso | |||
| USDA-NRCS-NSSC-Soil Survey Laboratory | ; | Pedon No. 73C0020 | |||
| CEC & Bases | -1- | -2- | -3- | -4- | -5- | -6- | -7- | -8- | -9- | -10- | -11- | -12- | -13- | -14- | |||
| (- - - - - - NH4OAC Extractable Bases - - - - -) | CEC8 | CEC7 | ECEC | (- - - - Base - - - -) | |||||||||||||
| Sum | Acid- | Extr | KCl | Sum | NH4 | Bases | Al | (- Saturation -) | |||||||||
| Depth | Ca | Mg | Na | K | Bases | ity | Al | Mn | Cats | OAC | +Al | Sat | Sum | NH4OAC | |||
| Layer | (cm) | Horz | Prep | (- - - - - - - - - - - - - - - - - cmol(+) kg-1 - - - - - - - - - - - - - - - - - - -) | mg kg-1 | (- - - - cmol(+) kg-1 - - -) | (- - - - - - - - % - - - - - - - -) | ||||||||||
| 6N2e | 6O2d | 6P2b | 6Q2b | 6H5a | 6G9b | 5A3a | 5A8b | 5A3b | 5G1 | 5C3 | 5C1 | ||||||
| 73C00137 | 0-10 | A | S | 8.0* | 17.9 | 49.2 | 2.7 | 77.8 | 0.1 | 77.8 | 38.7 | 77.9 | tr | 100 | 100 | ||
| 73C00138 | 10-26 | B1 | S | 6.3* | 18.5 | 13.0 | 3.3 | 41.1 | 0.1 | 41.1 | 39.1 | 41.2 | tr | 100 | 100 | ||
| 73C00139 | 26-42 | B2 | S | 5.6 | 12.4 | 12.5 | 3.0 | 33.5 | 18.0 | 0.1 | 51.5 | 38.2 | 33.6 | tr | 65 | 88 | |
| 73C00140 | 42-69 | B3 | S | 5.8* | 11.6 | 17.4 | 3.2 | 38.0 | 0.4 | 38.0 | 34.6 | 38.4 | 1 | 100 | 100 | ||
| 73C00141 | 69-90 | C1 | S | 12.2* | 14.6 | 32.5 | 2.9 | 62.2 | 1.3 | 62.2 | 30.3 | 63.5 | 2 | 100 | 100 | ||
| 73C00142 | 90-130 | C2 | S | 10.5* | 18.5 | 51.0 | 3.9 | 83.9 | 83.9 | 32.4 | 100 | 100 | |||||
| 73C00143 | 130-170 | C3 | S | 12.4* | 17.9 | 53.5 | 4.0 | 87.8 | 87.8 | 29.0 | 100 | 100 | |||||
| Salt | -1- | -2- | -3- | -4- | -5- | -6- | -7- | -8- | -9- | -10- | -11- | -12- | -13- | -14- | -15- | -16- | -17- | -18- | -19- | -20- | |||
| (- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Water Extracted From Saturated Paste - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -) | 1:2 | ||||||||||||||||||||||
| Total | Elec | Elec | Exch | ||||||||||||||||||||
| Depth | Ca | Mg | Na | K | CO3 | HCO3 | F | Cl | PO4 | Br | OAC | SO4 | NO2 | NO3 | H2O | Salts | Cond | Cond | Na | SAR | |||
| Layer | (cm) | Horz | Prep | (- - - - - mmol(+) L-1 - - - - -) | (- - - - - - - - - - - - - - - - - - - - - - mmol(-) L-1 - - - - - - - - - - - - - - - - - - - -) | (- - - - % - - - -) | (- - dS m-1 - -) | % | |||||||||||||||
| 6N1b | 6O1b | 6P1b | 6Q1b | 6J1b | 6K1c | 6L1c | 8A | 8D5 | 8A3a | 5E | |||||||||||||
| 73C00137 | 0-10 | A | S | 0.5 | 1.7 | 16.6 | 0.6 | 4.2 | 3.4 | 4.9 | 103.7 | 0.1 | 1.72 | 100* | 16 | ||||||||
| 73C00138 | 10-26 | B1 | S | 0.5 | 0.9 | 18.8 | 0.6 | 2.8 | 11.0 | 6.4 | 108.6 | 0.2 | 2.14 | 28 | 22 | ||||||||
| 73C00139 | 26-42 | B2 | S | 0.8 | 1.3 | 30.8 | 0.8 | 0.5 | 19.0 | 12.5 | 101.9 | 0.2 | 3.33 | 25 | 30 | ||||||||
| 73C00140 | 42-69 | B3 | S | 2.7 | 8.3 | 77.7 | 2.3 | 0.2 | 69.3 | 26.0 | 95.8 | 0.7 | 9.21 | 29 | 33 | ||||||||
| 73C00141 | 69-90 | C1 | S | 31.8 | 82.0 | 257.0 | 5.7 | 0.4 | 247.0 | 113.3 | 88.7 | 2.3 | 29.95 | 32 | 34 | ||||||||
| 73C00142 | 90-130 | C2 | S | 51.1 | 115.3 | 443.0 | 10.5 | 2.3 | 497.0 | 118.2 | 86.1 | 3.9 | 49.31 | 40 | 49 | ||||||||
| 73C00143 | 130-170 | C3 | S | 33.0 | 123.6 | 497.0 | 10.7 | 6.3 | 596.0 | 73.9 | 80.0 | 4.2 | 57.09 | 47 | 56 | ||||||||
| *** Primary Characterization Data *** |
| Pedon ID: S1973CA001001 | ( Alameda, California ) | Print Date: Mar 2 2025 8:47AM |
| Sampled As | : | Alviso | |||
| USDA-NRCS-NSSC-Soil Survey Laboratory | ; | Pedon No. 73C0020 | |||
| pH & Carbonates | -1- | -2- | -3- | -4- | -5- | -6- | -7- | -8- | -9- | -10- | -11- | |||
| (- - - - - - - - - - - - - - - - - - pH - - - - - - - - - - - - - - - - -) | (- - Carbonate - -) | (- - Gypsum - - -) | ||||||||||||
| CaCl2 | As CaCO3 | As CaSO4*2H2O | Resist | |||||||||||
| Depth | 0.01M | H2O | Sat | <2mm | <20mm | <2mm | <20mm | ohms | ||||||
| Layer | (cm) | Horz | Prep | KCl | 1:2 | 1:1 | Paste | Oxid | NaF | (- - - - - - - - - - - - % - - - - - - - - - - -) | cm-1 | |||
| 4C1a2a | 4C1a2a | 8C1b | 4E2a1a1a1 | |||||||||||
| 73C00137 | 0-10 | A | S | 6.5 | 6.9 | 7.0 | ||||||||
| 73C00138 | 10-26 | B1 | S | 6.2 | 6.5 | 6.6 | ||||||||
| 73C00139 | 26-42 | B2 | S | 5.0 | 5.3 | 5.2 | ||||||||
| 73C00140 | 42-69 | B3 | S | 4.6 | 4.9 | 4.8 | ||||||||
| 73C00141 | 69-90 | C1 | S | 3.8 | 3.8 | 3.7 | ||||||||
| 73C00142 | 90-130 | C2 | S | 6.3 | 6.3 | 6.1 | tr | |||||||
| 73C00143 | 130-170 | C3 | S | 7.6 | 7.5 | 7.2 | tr | |||||||
| Miscellaneous Data | -1- | -2- | -3- | -4- | -5- | -6- | -7- | -8- | -9- | -10- | -11- | -12- | -13- | -14- | |||
| (- Sat Paste Ex. -) | (- Sand -) | ( Water Content ) | Bulk | ||||||||||||||
| (- - - - Extractable Bases - - - -) | (- - - CEC8 - - -) | CO3+ | (- - - pH - - -) | M+C+VC | Moist Sieved | Density | |||||||||||
| Depth | Ca | Mg | Na | K | NaOAC | BaCl2 | Ca+Mg | HCO3 | CaCl2 | H2O | .25-2 | 100 kPa | 200 kPa | 10 kPa | |||
| Layer | (cm) | Horz | Prep | (- - - - - - - - - - - - - - - cmol(+)kg-1 - - - - - - - - - - - - - -) | mmol(+)L-1 | mmol(-)L-1 | 1:10 | 1:10 | (- - - - - % of <2mm - - - - -) | g cm-3 | |||||||
| NK | |||||||||||||||||
| 73C00137 | 0-10 | A | S | 7.6 | |||||||||||||
| 73C00138 | 10-26 | B1 | S | 7.4 | |||||||||||||
| 73C00139 | 26-42 | B2 | S | 6.1 | |||||||||||||
| 73C00140 | 42-69 | B3 | S | 5.4 | |||||||||||||
| 73C00141 | 69-90 | C1 | S | 4.1 | |||||||||||||
| 73C00142 | 90-130 | C2 | S | 6.5 | |||||||||||||
| 73C00143 | 130-170 | C3 | S | 8.0 | |||||||||||||
| *** Primary Characterization Data *** |
| Pedon ID: S1973CA001001 | ( Alameda, California ) | Print Date: Mar 2 2025 8:47AM |
| Sampled As | : | Alviso | |||
| USDA-NRCS-NSSC-Soil Survey Laboratory | ; | Pedon No. 73C0020 | |||
| Clay Mineralogy (<.002 mm) | -1- | -2- | -3- | -4- | -5- | -6- | -7- | -8- | -9- | -10- | -11- | -12- | -13- | -14- | -15- | -16- | -17- | -18- | |||
| X-Ray | Thermal | Elemental | EGME | Inter | |||||||||||||||||
| SiO2 | Al2O3 | Fe2O3 | MgO | CaO | K2O | Na2O | Retn | preta | |||||||||||||
| Depth | Fract | 7A2i | tion | ||||||||||||||||||
| Layer | (cm) | Horz | ion | ( - - - - - - - - - peak size - - - - - - - - - - ) | (- - - - - - - - - % - - - - - - - - - -) | (- - - - - - - - - - - - - - - - - - - - - % - - - - - - - - - - - - - - - - - - - - -) | mg g-1 | ||||||||||||||
| 73C00137 | 0.0-10.0 | A | tcly | MT 1 | MI 1 | ||||||||||||||||
| 73C00139 | 26.0-42.0 | B2 | tcly | MT 1 | MI 1 | ||||||||||||||||
| 73C00141 | 69.0-90.0 | C1 | tcly | MT 1 | MI 1 | ||||||||||||||||
| 73C00143 | 130.0-170.0 | C3 | tcly | MT 4 | KK 3 | MI 2 | |||||||||||||||
| FRACTION INTERPRETATION: | ||||
| tcly - Total Clay <0.002 mm | ||||
| MINERAL INTERPRETATION: | ||||
| KK Kaolinite | MI Mica | MT Montmorillonite | ||
| RELATIVE PEAK SIZE: | 5 Very Large | 4 Large | 3 Medium | 2 Small | 1 Very Small | 6 No Peaks |