| *** Taxonomy Characterization Data *** |
| Pedon ID: S1973CA087006 | ( Santa Cruz, California ) | Print Date: Apr 12 2026 4:26AM |
| Sampled as on May 30, 1973: | Ben Lomond |
| Revised to correlated: | BEN LOMOND ; Coarse-loamy, mixed Pachic Ultic Haploxerolls |
| United States Department of Agriculture | ||||
| SSL | - | Project | NL73CA003 ALAMEDA-SNT CRUZ | Natural Resources Conservation Service |
| - | Site ID | S1973CA087006 MLRA: 14 | National Soil Survey Center | |
| - | Pedon No. | 73C0027 | Soil Survey Laboratory | |
| - | General Methods 1B1A, 2A1, 2B | Lincoln, Nebraska 68508-3866 | ||
| Taxonomy Tier 1 | -1- | -2- | -3- | -4- | -5- | -6- | -7- | -8- | -9- | -10- | |||
| Fine | CaCO3 | 1500 | .1-75 | Bulk | Cole | Vol | Resist | ||||||
| Clay | Clay | Clay | kPa | Clay | mm | Den | Whole | % of | Min | ||||
| Depth | <.002 | <.0002 | <.002 | /Clay | Est | Frac | 33 kPa | Soil | Whole | % | |||
| Layer | (cm) | Horz | Prep | (---------% of <2 mm-------) | (-------- % --------) | g cm-3 | cm cm-1 | ||||||
| 3A1a1a | 8D1 | 4A1d | |||||||||||
| 73C00182 | 0-8 | A1 | S | 9.2 | 1.15 | 60 | 0.87 | 0.004 | 3 | ||||
| 73C00183 | 8-28 | A2 | S | 8.6 | 0.99 | 60 | 1.16 | 0.008 | 3 | ||||
| 73C00184 | 28-49 | A3 | S | 9.7 | 0.82 | 60 | 1.12 | 0.011 | 4 | ||||
| 73C00185 | 49-73 | A4 | S | 9.1 | 0.80 | 60 | 1.26 | 0.003 | 5 | ||||
| 73C00186 | 73-88 | B1 | S | 9.7 | 0.76 | 61 | 1.25 | 0.005 | 6 | ||||
| 73C00187 | 88-102 | B2 | S | 8.0 | 0.91 | 63 | 1.25 | 0.003 | 4 | ||||
| 73C00188 | 102-170 | C | S | 3.5 | 1.49 | 83 | 1.22 | 0.007 | 12 | ||||
| Taxonomy Tier 2 | -1- | -2- | -3- | -4- | -5- | -6- | -7- | -8- | -9- | -10- | -11- | -12- | -13- | -14- | -15- | -16- | |||
| pH | pH | Org | Tot | Al+½ Fe | CO3 as | (--- Base Sat ---) | NZ | ECEC | CEC7 | ECEC | Al | ||||||||
| Depth | H2O | NaF | C | C | Oxal | ODOE | CaCO3 | NH4 | Bases | P Ret | cmol(+) | /Clay | /Clay | Sat | E C | ESP | |||
| Layer | (cm) | Horz | Prep | (------------------------------------------ % --------------------------------------------) | kg -1 | % | dS m-1 | % | |||||||||||
| 4C1a2a | 6A1c | 5C1 | 5C3 | 5A3b | 8D1 | 5G1 | 5D2 | ||||||||||||
| 73C00182 | 0-8 | A1 | S | 5.9 | 4.38 | 66 | 54 | 2.61 | 2 | ||||||||||
| 73C00183 | 8-28 | A2 | S | 5.4 | 2.81 | 39 | 29 | 7.2 | 1.78 | 0.84 | 17 | 2 | |||||||
| 73C00184 | 28-49 | A3 | S | 5.4 | 2.09 | 41 | 32 | 6.9 | 1.47 | 0.71 | 16 | 2 | |||||||
| 73C00185 | 49-73 | A4 | S | 5.4 | 1.54 | 35 | 27 | 5.6 | 1.44 | 0.62 | 18 | 2 | |||||||
| 73C00186 | 73-88 | B1 | S | 5.4 | 0.85 | 52 | 44 | 7.6 | 1.30 | 0.78 | 14 | 3 | |||||||
| 73C00187 | 88-102 | B2 | S | 5.5 | 0.64 | 48 | 46 | 7.1 | 1.60 | 0.89 | 13 | 3 | |||||||
| 73C00188 | 102-170 | C | S | 5.4 | 0.15 | 62 | 61 | 7.6 | 3.17 | 2.17 | 9 | 4 | |||||||
| Pedon Calculations | |||
| Calculation Name | Result | Units of Measure | |
| CEC Activity, CEC7/Clay, Weighted Average | 1.46 | (NA) | |
| Clay, carbonate free, Weighted Average | 9 | % wt | |
| Weighted Particles, 0.1-75mm, 75 mm Base | 61 | % wt | |
| Volume, >2mm, Weighted Average | 5 | % vol | |
| Clay, total, Weighted Average | 9 | % wt | |
| LE, Whole Soil, Summed to 1m | 1 | cm/m | |
| Weighted averages based on control section: 25-100 cm | |||