| *** Taxonomy Characterization Data *** |
| Pedon ID: S1973CA087002 | ( Santa Cruz, California ) | Print Date: Nov 13 2024 2:51PM |
| Sampled as on May 30, 1973: | Elkhorn |
| Revised to correlated: | ELKHORN ; Fine-loamy, mixed Pachic Argixerolls |
| United States Department of Agriculture | ||||
| SSL | - | Project | NL73CA003 ALAMEDA-SNT CRUZ | Natural Resources Conservation Service |
| - | Site ID | S1973CA087002 Lat: 36° 59' 13.01" north Long: 121° 55' 24.00" west MLRA: 14 | National Soil Survey Center | |
| - | Pedon No. | 73C0023 | 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 | 3A1a1a | 8D1 | 4A1d | ||||||||||
| 73C00157 | 0-8 | A1 | S | 15.4 | 15.0 | 0.51 | 47 | 1.44 | 0.027 | 2 | |||
| 73C00158 | 8-40 | A2 | S | 17.3 | 0.40 | 43 | 1.54 | 0.015 | 1 | ||||
| 73C00159 | 40-55 | B | S | 17.3 | 0.44 | 45 | 1.52 | 0.021 | 2 | ||||
| 73C00160 | 55-75 | Bt1 | S | 20.5 | 0.40 | 44 | 1.63 | 0.016 | 1 | ||||
| 73C00161 | 75-105 | Bt2 | S | 21.6 | 0.42 | 45 | 1.61 | 0.022 | 1 | ||||
| 73C00162 | 105-155 | Bt3 | S | 19.8 | 0.28 | 49 | 1.61 | 0.020 | 1 | ||||
| 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 | 8D1 | 5D2 | ||||||||||||||
| 73C00157 | 0-8 | A1 | S | 5.6 | 2.10 | 88 | 72 | 0.95 | 3 | ||||||||||
| 73C00158 | 8-40 | A2 | S | 5.6 | 1.23 | 81 | 66 | 0.83 | 4 | ||||||||||
| 73C00159 | 40-55 | B | S | 5.6 | 0.82 | 85 | 75 | 0.75 | 4 | ||||||||||
| 73C00160 | 55-75 | Bt1 | S | 5.7 | 0.23 | 88 | 83 | 0.53 | 5 | ||||||||||
| 73C00161 | 75-105 | Bt2 | S | 5.7 | 0.12 | 97 | 100 | 0.56 | 4 | ||||||||||
| 73C00162 | 105-155 | Bt3 | S | 5.8 | 0.08 | 100* | 100 | 0.61 | 7 | ||||||||||
| Pedon Calculations | |||
| Calculation Name | Result | Units of Measure | |
| CEC Activity, CEC7/Clay, Weighted Average | 0.54 | (NA) | |
| Clay, carbonate free, Weighted Average | 21 | % wt | |
| Weighted Particles, 0.1-75mm, 75 mm Base | 45 | % wt | |
| Volume, >2mm, Weighted Average | 1 | % vol | |
| Clay, total, Weighted Average | 21 | % wt | |
| LE, Whole Soil, Summed to 1m | 2 | cm/m | |
| Weighted averages based on control section: 55-105 cm | |||