| *** Taxonomy Characterization Data *** |
| Pedon ID: 84CA105006 | ( Trinity, California ) | Print Date: Feb 17 2025 2:44AM |
| Sampled as on Jul 30, 1984: | Sheetiron V ; Loamy-skeletal, micaceous, mesic Dystric Xerochrept |
| Revised to correlated: | Barpeak ; Loamy-skeletal, mixed, superactive, mesic Typic Xerochrepts |
| United States Department of Agriculture | ||||
| SSL | - | Project | RP85CA014 TRINITY COUNTY | Natural Resources Conservation Service |
| - | Site ID | S1984CA105006 Lat: 40° 34' 22.00" north Long: 122° 50' 20.00" west MLRA: 5 | National Soil Survey Center | |
| - | Pedon No. | 85P0046 | 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 | 7B1a2 | |||||||||||
| 85P00238 | 0-18 | A1 | S | 8.9 | 0.88 | 65 | 21 | ||||||
| 85P00239 | 18-36 | A2 | S | 9.5 | 0.74 | 63 | 21 | ||||||
| 85P00240 | 36-61 | BA | S | 8.7 | 0.77 | 76 | 44 | ||||||
| 85P00241 | 61-81 | Bt1 | S | 8.8 | 0.83 | 75 | 42 | 33 | |||||
| 85P00242 | 81-117 | Bt2 | S | 8.1 | 0.90 | 82 | 56 | 29 | |||||
| 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 | ||||||||||||||
| 85P00238 | 0-18 | A1 | S | 5.9 | 2.43 | 66 | 47 | 1.63 | -- | ||||||||||
| 85P00239 | 18-36 | A2 | S | 5.9 | 1.16 | 60 | 48 | 1.31 | -- | ||||||||||
| 85P00240 | 36-61 | BA | S | 5.8 | 0.91 | 59 | 48 | 1.44 | -- | ||||||||||
| 85P00241 | 61-81 | Bt1 | S | 5.7 | 0.44 | 64 | 56 | 1.42 | -- | ||||||||||
| 85P00242 | 81-117 | Bt2 | S | 5.9 | 0.44 | 76 | 64 | 1.78 | -- | ||||||||||
| Pedon Calculations | |||
| Calculation Name | Result | Units of Measure | |
| CEC Activity, CEC7/Clay, Weighted Average | 1.63 | (NA) | |
| Clay, carbonate free, Weighted Average | 8 | % wt | |
| Weighted Particles, 0.1-75mm, 75 mm Base | 79 | % wt | |
| Volume, >2mm, Weighted Average | 51 | % vol | |
| Clay, total, Weighted Average | 8 | % wt | |
| Weighted averages based on control section: 61-111 cm | |||