| *** Taxonomy Characterization Data *** |
| Pedon ID: 84CA049002 | ( Modoc, California ) | Print Date: Mar 2 2025 8:53AM |
| Sampled as on Jul 30, 1984: | Scarface ; Fine-loamy, mixed Ultic Haploxeralfs |
| Revised to correlated on Sep 1, 1996: | (unnamed) ; Coarse-loamy, mixed, active, mesic Ultic Haploxeralf |
| United States Department of Agriculture | ||||
| SSL | - | Project | CP84CA213 BIG VALLEY AREA | Natural Resources Conservation Service |
| - | Site ID | S1984CA049002 Lat: 41° 20' 35.00" north Long: 121° 24' 0.99" west MLRA: 22 | National Soil Survey Center | |
| - | Pedon No. | 84P0737 | 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 | |||||||||||
| 84P04078 | 0-10 | A1 | S | 5.9 | 2.36 | 65 | 0.99 | 0.027 | 8 | ||||
| 84P04079 | 10-23 | A2 | S | 7.1 | 1.90 | 60 | 1.11 | 0.030 | 5 | ||||
| 84P04080 | 23-36 | A3 | S | 8.8 | 1.51 | 59 | 1.20 | 0.013 | 6 | ||||
| 84P04081 | 36-48 | BA | S | 11.8 | 1.25 | 62 | 1.26 | 0.014 | 8 | ||||
| 84P04082 | 48-74 | Bt1 | S | 11.2 | 1.29 | 59 | 1.34 | 0.018 | 6 | ||||
| 84P04083 | 74-109 | Bt2 | S | 10.8 | 1.57 | 57 | 1.32 | 0.013 | 11 | ||||
| 84P04084 | 109-130 | Bt3 | S | 13.1 | 1.53 | 47 | 1.15 | 0.019 | 5 | ||||
| 84P04085 | 130-150 | BCt | S | 16.6 | 1.36 | 45 | 0.97 | 0.035 | 3 | ||||
| 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 | 4C1a1a1 | 6A1c | 5C1 | 5C3 | 8D1 | 5D2 | |||||||||||||
| 84P04078 | 0-10 | A1 | S | 6.6 | 9.9 | 2.01 | 65 | 50 | 4.19 | tr | |||||||||
| 84P04079 | 10-23 | A2 | S | 6.6 | 9.8 | 1.27 | 63 | 49 | 3.21 | -- | |||||||||
| 84P04080 | 23-36 | A3 | S | 6.4 | 9.7 | 0.83 | 61 | 48 | 2.34 | -- | |||||||||
| 84P04081 | 36-48 | BA | S | 6.5 | 9.4 | 0.57 | 62 | 49 | 1.68 | -- | |||||||||
| 84P04082 | 48-74 | Bt1 | S | 6.4 | 9.4 | 0.30 | 57 | 47 | 1.73 | -- | |||||||||
| 84P04083 | 74-109 | Bt2 | S | 6.5 | 9.5 | 0.27 | 53 | 45 | 1.98 | -- | |||||||||
| 84P04084 | 109-130 | Bt3 | S | 7.0 | 9.6 | 0.13 | 59 | 47 | 1.60 | -- | |||||||||
| 84P04085 | 130-150 | BCt | S | 7.0 | 9.6 | 0.20 | 57 | 47 | 1.39 | -- | |||||||||
| Pedon Calculations | |||
| Calculation Name | Result | Units of Measure | |
| CEC Activity, CEC7/Clay, Weighted Average | 1.85 | (NA) | |
| Clay, carbonate free, Weighted Average | 11 | % wt | |
| Weighted Particles, 0.1-75mm, 75 mm Base | 58 | % wt | |
| Volume, >2mm, Weighted Average | 8 | % vol | |
| Clay, total, Weighted Average | 11 | % wt | |
| LE, Whole Soil, Summed to 1m | 2 | cm/m | |
| Weighted averages based on control section: 48-98 cm | |||