| *** Taxonomy Characterization Data *** |
| Pedon ID: 80CA093015 | ( Siskiyou, California ) | Print Date: Dec 24 2025 2:58AM |
| Sampled as on Jul 30, 1980: | Modoc ; Fine-loamy, mixed, mesic Aridic Durixeroll |
| Revised to correlated: | Modoc ; Fine-loamy, mixed, superactive, mesic Aridic Durixerolls |
| United States Department of Agriculture | ||||
| SSL | - | Project | CP80CA287 BUTTE VALLEY-TULE LAKE (SSA 684) | Natural Resources Conservation Service |
| - | Site ID | S1980CA093015 Lat: 41° 55' 17.43" north Long: 121° 56' 28.98" west MLRA: 21 | National Soil Survey Center | |
| - | Pedon No. | 80P0458 | 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 | |||||||||||
| 80P02533 | 0-8 | A1 | S | 19.7 | 0.59 | 17 | tr | ||||||
| 80P02534 | 8-30 | A2 | S | 22.5 | 0.47 | 17 | 1.20 | 0.019 | -- | 14 | |||
| 80P02535 | 30-53 | B | S | 21.5 | 0.49 | 17 | -- | 18 | |||||
| 80P02536 | 53-86 | Bt | S | 27.9 | 0.61 | 13 | 1.41 | 0.025 | -- | 18 | |||
| 80P02537 | 86-107 | Bkq1 | S | 13.3 | 1.35 | 31 | -- | ||||||
| 80P02538 | 107-140 | Bkq2 | S | 16.2 | 1.08 | 32 | 1.27 | 0.005 | -- | ||||
| 80P02539 | 140-152 | 2C | S | 15.6 | 0.74 | 51 | tr | ||||||
| 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 | 6A1c | 4G2 | 6E1b | 5C1 | 5C3 | 4D8a1 | 8D1 | 8A1a | 5D2 | ||||||||||
| 80P02533 | 0-8 | A1 | S | 7.0 | 3.16 | 0.16 | 0.09 | tr | 100* | 85 | 9 | 1.10 | 1.35 | tr | |||||
| 80P02534 | 8-30 | A2 | S | 7.4 | 1.25 | 0.16 | 0.05 | -- | 100* | 91 | 13 | 0.88 | 0.80 | 1 | |||||
| 80P02535 | 30-53 | B | S | 7.6 | 0.77 | 0.14 | 0.05 | tr | 100* | 94 | 12 | 0.85 | 0.75 | 1 | |||||
| 80P02536 | 53-86 | Bt | S | 7.8 | 0.37 | 0.20 | 0.04 | tr | 100* | 97 | 17 | 0.94 | 0.87 | 3 | |||||
| 80P02537 | 86-107 | Bkq1 | S | 8.2 | 0.22 | 4 | 100* | 100 | 2.24 | 0.97 | 7 | ||||||||
| 80P02538 | 107-140 | Bkq2 | S | 8.2 | 0.12 | 3 | 100* | 100 | 1.72 | 0.84 | 5 | ||||||||
| 80P02539 | 140-152 | 2C | S | 8.1 | 0.16 | tr | 100* | 96 | 1.01 | 1.43 | 5 | ||||||||
| Pedon Calculations | |||
| Calculation Name | Result | Units of Measure | |
| CEC Activity, CEC7/Clay, Weighted Average | 0.94 | (NA) | |
| Clay, carbonate free, Weighted Average | 28 | % wt | |
| Weighted Particles, 0.1-75mm, 75 mm Base | 13 | % wt | |
| Volume, >2mm, Weighted Average | 0 | % vol | |
| Clay, total, Weighted Average | 28 | % wt | |
| Weighted averages based on control section: 53-86 cm | |||