| *** Taxonomy Characterization Data *** |
| Pedon ID: S1968CA061010 | ( Placer, California ) | Print Date: Jun 9 2024 9:43AM |
| Sampled as on Sep 17, 1968: | Umpa |
| Revised to correlated: | Umpa ; Fine-loamy, mixed, superactive, frigid Dystric Xerochrepts |
| United States Department of Agriculture | ||||
| SSL | - | Project | NL40001 SSIR SAMPLES | Soil Conservation Service |
| - | Site ID | S1968CA061010 Lat: 39° 11' 52.00" north Long: 120° 9' 42.99" west MLRA: 22A | Riverside Soil Survey Laboratory | |
| - | Pedon No. | 40A2984 | Soil Laboratory | |
| - | General Methods 1B1A, 2A1, 2B | Riverside, California | ||
| 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 | |||||||||||||
| 40A23490 | 0-8 | A1 | S | 11.3 | 29 | -- | |||||||
| 40A23491 | 8-33 | A2 | S | 20.7 | 15 | -- | |||||||
| 40A23492 | 33-51 | Bt1 | S | 20.0 | 14 | 5 | |||||||
| 40A23493 | 51-79 | Bt21 | S | 22.1 | 13 | 10 | |||||||
| 40A23494 | 79-130 | Bt22 | S | 19.0 | 17 | 12 | |||||||
| 40A23495 | 130-165 | Bt23 | S | 24.9 | 14 | -- | |||||||
| 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 | % | |||||||||||
| 8C1a | 6A1a | 5D2 | |||||||||||||||||
| 40A23490 | 0-8 | A1 | S | 5.5 | 13.13 | 26 | 100 | 4.12 | 1 | ||||||||||
| 40A23491 | 8-33 | A2 | S | 5.5 | 0.98 | 33 | 100 | 0.98 | 1 | ||||||||||
| 40A23492 | 33-51 | Bt1 | S | 5.6 | 0.67 | 36 | 100 | 1.05 | 1 | ||||||||||
| 40A23493 | 51-79 | Bt21 | S | 5.7 | 0.65 | 30 | 100 | 1.00 | 1 | ||||||||||
| 40A23494 | 79-130 | Bt22 | S | 5.9 | 0.20 | 35 | 100 | 1.07 | 1 | ||||||||||
| 40A23495 | 130-165 | Bt23 | S | 5.8 | 0.21 | 34 | 100 | 0.81 | 1 | ||||||||||
| Pedon Calculations | |||
| Calculation Name | Result | Units of Measure | |
| CEC Activity, CEC7/Clay, Weighted Average | 1.02 | (NA) | |
| Clay, carbonate free, Weighted Average | 21 | % wt | |
| Weighted Particles, 0.1-75mm, 75 mm Base | 14 | % wt | |
| Volume, >2mm, Weighted Average | 8 | % vol | |
| Clay, total, Weighted Average | 21 | % wt | |
| Weighted averages based on control section: 33-83 cm | |||