| *** Taxonomy Characterization Data *** |
| Pedon ID: 83CA105011 | ( Trinity, California ) | Print Date: Apr 28 2025 8:56PM |
| Sampled as on Oct 1, 1983: | Weaverville ; Fine, oxidic, mesic Ultic Palexeralf |
| Revised to correlated: | Weaverville ; Fine-loamy, mixed, active, mesic Ultic Palexeralfs |
| United States Department of Agriculture | ||||
| SSL | - | Project | CP84CA024 TRINITY COUNTY | Natural Resources Conservation Service |
| - | Site ID | S1983CA105011 Lat: 40° 43' 34.00" north Long: 122° 58' 47.00" west MLRA: 5 | National Soil Survey Center | |
| - | Pedon No. | 84P0086 | 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 | 7B1a2 | |||||||||
| 84P00424 | 0-10 | A | S | 16.3 | 3.4 | 0.52 | 57 | 16 | |||||
| 84P00425 | 10-38 | Bt1 | S | 18.9 | 5.2 | 0.48 | 56 | 1.41 | 0.011 | 17 | |||
| 84P00426 | 38-69 | Bt2 | S | 24.8 | 8.9 | 0.44 | 57 | 20 | 75 | ||||
| 84P00427 | 69-99 | Bt3 | S | 32.4 | 12.5 | 0.40 | 44 | 1.46 | 0.012 | 12 | 76 | ||
| 84P00428 | 99-142 | Bt4 | S | 39.1 | 16.8 | 0.35 | 46 | 1.39 | 0.023 | 16 | |||
| 84P00429 | 142-200 | Bt5 | S | 38.6 | 17.5 | 0.40 | 53 | 1.28 | 0.028 | 21 | |||
| 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 | ||||||||||||
| 84P00424 | 0-10 | A | S | 6.2 | 1.75 | 71 | 62 | 0.93 | 1 | ||||||||||
| 84P00425 | 10-38 | Bt1 | S | 6.0 | 1.03 | 54 | 53 | 0.73 | 1 | ||||||||||
| 84P00426 | 38-69 | Bt2 | S | 5.6 | 0.85 | 54 | 46 | 0.53 | 1 | ||||||||||
| 84P00427 | 69-99 | Bt3 | S | 5.5 | 0.40 | 61 | 52 | 9.3 | 0.43 | 0.29 | 8 | -- | |||||||
| 84P00428 | 99-142 | Bt4 | S | 5.3 | 0.19 | 59 | 49 | 9.3 | 0.37 | 0.24 | 9 | 1 | |||||||
| 84P00429 | 142-200 | Bt5 | S | 5.3 | 0.16 | 60 | 51 | 10.8 | 0.42 | 0.28 | 8 | 1 | |||||||
| Pedon Calculations | |||
| Calculation Name | Result | Units of Measure | |
| CEC Activity, CEC7/Clay, Weighted Average | 0.49 | (NA) | |
| Clay, carbonate free, Weighted Average | 28 | % wt | |
| Weighted Particles, 0.1-75mm, 75 mm Base | 52 | % wt | |
| Volume, >2mm, Weighted Average | 17 | % vol | |
| Clay, total, Weighted Average | 28 | % wt | |
| Weighted averages based on control section: 38-88 cm | |||