| *** Taxonomy Characterization Data *** |
| Pedon ID: 78CA033027 | ( Lake, California ) | Print Date: Nov 23 2024 7:07AM |
| Sampled as on Jul 1, 1978: | Guenoc ; Fine, mixed, thermic Typic Rhodoxeralf |
| Revised to correlated on Sep 1, 1996: | Guenoc ; Fine, oxidic, thermic Typic Rhodoxeralf |
| United States Department of Agriculture | ||||
| SSL | - | Project | CP78CA178 NAPA AND LAKE COUNTIES | Natural Resources Conservation Service |
| - | Site ID | S1978CA033027 Lat: 38° 51' 10.57" north Long: 122° 33' 23.85" west MLRA: 15 | National Soil Survey Center | |
| - | Pedon No. | 78P0462 | 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 | |||||||||||
| 78P02589 | 0-15 | A1 | S | 32.9 | 0.49 | 27 | 1.15 | 0.010 | 8 | ||||
| 78P02590 | 15-41 | A2 | S | 34.1 | 0.47 | 26 | 10 | ||||||
| 78P02591 | 41-64 | B | S | 37.8 | 0.43 | 43 | 1.20 | 0.024 | 35 | ||||
| 78P02592 | 64-79 | Bt1 | S | 40.1 | 0.43 | 63 | 67 | ||||||
| 78P02593 | 79-104 | Bt2 | S | 46.2 | 0.40 | 34 | 1.48 | 0.022 | 23 | ||||
| 78P02594 | 104-117 | Bt3 | S | 44.8 | 0.43 | 20 | 15 | ||||||
| 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 | 4C1a1a1 | 6A1c | 5C1 | 5C3 | 8D1 | 5D2 | |||||||||||||
| 78P02589 | 0-15 | A1 | S | 6.4 | 9.5 | 2.66 | 69 | 53 | 0.76 | -- | |||||||||
| 78P02590 | 15-41 | A2 | S | 6.5 | 9.3 | 1.07 | 72 | 56 | 0.57 | -- | |||||||||
| 78P02591 | 41-64 | B | S | 6.7 | 9.2 | 0.71 | 72 | 55 | 0.48 | -- | |||||||||
| 78P02592 | 64-79 | Bt1 | S | 6.7 | 8.9 | 0.51 | 69 | 56 | 0.43 | 1 | |||||||||
| 78P02593 | 79-104 | Bt2 | S | 6.5 | 8.8 | 0.36 | 71 | 56 | 0.35 | 1 | |||||||||
| 78P02594 | 104-117 | Bt3 | S | 6.6 | 8.8 | 0.31 | 68 | 56 | 0.38 | 1 | |||||||||
| Pedon Calculations | |||
| Calculation Name | Result | Units of Measure | |
| CEC Activity, CEC7/Clay, Weighted Average | 0.38 | (NA) | |
| Clay, carbonate free, Weighted Average | 44 | % wt | |
| Weighted Particles, 0.1-75mm, 75 mm Base | 40 | % wt | |
| Volume, >2mm, Weighted Average | 34 | % vol | |
| Clay, total, Weighted Average | 44 | % wt | |
| Weighted averages based on control section: 64-114 cm | |||