| *** Taxonomy Characterization Data *** |
| Pedon ID: S1972CA049015 | ( Modoc, California ) | Print Date: Dec 12 2024 7:30AM |
| Sampled as on May 30, 1972: | Thoms |
| Revised to correlated: | THOMS ; Loamy, mixed, shallow Xeric Argidurids |
| United States Department of Agriculture | ||||
| SSL | - | Project | NL72CA012 NE CALIF | Natural Resources Conservation Service |
| - | Site ID | S1972CA049015 Lat: 41° 33' 42.01" north Long: 120° 23' 43.00" west MLRA: 21 | National Soil Survey Center | |
| - | Pedon No. | 72C0116 | 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 | |||||||||||
| 72C00690 | 0-15 | A | S | 14.7 | 1.58 | 73 | 1.51 | 0.004 | 62 | ||||
| 72C00691 | 15-23 | Bt1 | S | 24.6 | 70 | 1.52 | 0.007 | 60 | |||||
| 72C00692 | 23-33 | Bt2 | S | 37.1 | 0.61 | 79 | 1.11 | 0.016 | 69 | ||||
| 72C00693 | 33-60 | Bqm1 | S | 13.0 | 1.55 | 91 | 1.76 | -- | 83 | ||||
| 72C00694 | 60-107 | Bqm2 | S | 15.6 | 1.28 | 89 | 82 | ||||||
| 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 | 8A3a | 5D2 | |||||||||||||
| 72C00690 | 0-15 | A | S | 6.2 | 1.14 | 100* | 100 | 1.19 | 0.53 | 4 | |||||||||
| 72C00691 | 15-23 | Bt1 | S | 6.2 | 0.55 | 100* | 100 | 0.92 | 0.27 | 3 | |||||||||
| 72C00692 | 23-33 | Bt2 | S | 6.2 | 0.42 | 94 | 100 | 1.15 | 0.29 | 3 | |||||||||
| 72C00693 | 33-60 | Bqm1 | S | 5.5 | 0.19 | 92 | 100 | 3.39 | 0.46 | 4 | |||||||||
| 72C00694 | 60-107 | Bqm2 | S | 5.9 | 0.08 | 100* | 100 | 2.26 | 1.09 | 5 | |||||||||
| 72C00695 | 0-15 | A | S | 6.3 | |||||||||||||||
| Pedon Calculations | |||
| Calculation Name | Result | Units of Measure | |
| CEC Activity, CEC7/Clay, Weighted Average | 1.05 | (NA) | |
| Clay, carbonate free, Weighted Average | 32 | % wt | |
| Weighted Particles, 0.1-75mm, 75 mm Base | 75 | % wt | |
| Volume, >2mm, Weighted Average | 64 | % vol | |
| Clay, total, Weighted Average | 32 | % wt | |
| LE, Whole Soil, Summed to 1m | 0 | cm/m | |
| Weighted averages based on control section: 15-33 cm | |||