| *** Taxonomy Characterization Data *** |
| Pedon ID: S1973CA049006 | ( Modoc, California ) | Print Date: Nov 21 2024 1:49PM |
| Sampled as on May 30, 1973: | Weimer |
| Revised to correlated: | WEIMER ; Very-fine, montmorillonitic Xeric Epiaquerts |
| United States Department of Agriculture | ||||
| SSL | - | Project | NL73CA013 ALTURAS & MODOC | Natural Resources Conservation Service |
| - | Site ID | S1973CA049006 Lat: 41° 33' 2.00" north Long: 120° 58' 27.99" west MLRA: 21 | National Soil Survey Center | |
| - | Pedon No. | 73C0097 | 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 | |||||||||||
| 73C00663 | 0-28 | A1 | S | 0.41 | -- | ||||||||
| 73C00663 | 0-28 | A1 | GP | 81.1 | |||||||||
| 73C00664 | 28-51 | A2 | S | 0.42 | 0.96 | 0.258 | -- | ||||||
| 73C00664 | 28-51 | A2 | GP | 80.7 | |||||||||
| 73C00665 | 51-81 | Ak | S | 0.42 | -- | ||||||||
| 73C00665 | 51-81 | Ak | GP | 82.2 | |||||||||
| 73C00666 | 81-119 | B1 | S | 0.46 | 0.95 | 0.258 | -- | ||||||
| 73C00666 | 81-119 | B1 | GP | 78.5 | |||||||||
| 73C00667 | 119-135 | B2 | S | 0.46 | -- | ||||||||
| 73C00667 | 119-135 | B2 | GP | 82.3 | |||||||||
| 73C00668 | 135-145 | B3 | S | 44.2 | 0.66 | 7 | 0.98 | 0.165 | 17 | ||||
| 73C00669 | 145-155 | 2Bqm | S | 29.7 | 0.89 | 57 | 25 | ||||||
| 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 | 6E1g | 5C1 | 5C3 | 8D1 | 5D2 | |||||||||||||
| 73C00663 | 0-28 | A1 | S | 0.80 | |||||||||||||||
| 73C00663 | 0-28 | A1 | GP | 6.7 | 0.93 | 4 | |||||||||||||
| 73C00664 | 28-51 | A2 | S | 0.82 | |||||||||||||||
| 73C00664 | 28-51 | A2 | GP | 7.2 | 0.73 | 1 | 7 | ||||||||||||
| 73C00665 | 51-81 | Ak | S | 0.79 | |||||||||||||||
| 73C00665 | 51-81 | Ak | GP | 7.8 | 0.62 | 1 | 9 | ||||||||||||
| 73C00666 | 81-119 | B1 | S | 0.81 | |||||||||||||||
| 73C00666 | 81-119 | B1 | GP | 7.5 | 0.29 | tr | 10 | ||||||||||||
| 73C00667 | 119-135 | B2 | S | 0.86 | |||||||||||||||
| 73C00667 | 119-135 | B2 | GP | 7.4 | tr | 9 | |||||||||||||
| 73C00668 | 135-145 | B3 | S | 7.2 | tr | 100* | 100 | 1.27 | 10 | ||||||||||
| 73C00669 | 145-155 | 2Bqm | S | 7.4 | tr | 94 | 100 | 1.80 | 12 | ||||||||||
| Pedon Calculations | |||
| Calculation Name | Result | Units of Measure | |
| CEC Activity, CEC7/Clay, Weighted Average | 0.81 | (NA) | |
| Clay, carbonate free, Weighted Average | 81 | % wt | |
| Volume, >2mm, Weighted Average | 0 | % vol | |
| Clay, total, Weighted Average | 81 | % wt | |
| Weighted averages based on control section: 25-100 cm | |||