| *** Taxonomy Characterization Data *** |
| Pedon ID: S1978CA033024 | ( Lake, California ) | Print Date: Feb 16 2025 12:09PM |
| Sampled as on Jun 1, 1978: | Phipps ; Clayey-skeletal, mixed, thermic Mollic Haploxeralf |
| Revised to correlated: | PHIPPS ; Fine, mixed Mollic Haploxeralfs |
| United States Department of Agriculture | ||||
| SSL | - | Project | CP78CA178 NAPA AND LAKE COUNTIES | Natural Resources Conservation Service |
| - | Site ID | S1978CA033024 Lat: 38° 57' 1.99" north Long: 122° 34' 45.01" west MLRA: 15 | National Soil Survey Center | |
| - | Pedon No. | 78P0459 | 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 | |||||||||||
| 78P02570 | 0-15 | A | S | 24.6 | 0.47 | 47 | 1.35 | 0.020 | 10 | ||||
| 78P02571 | 15-38 | Bt1 | S | 36.3 | 0.45 | 51 | 1.40 | 18 | |||||
| 78P02572 | 38-51 | Bt2 | S | 36.1 | 0.50 | 61 | 1.43 | 0.034 | 29 | ||||
| 78P02573 | 51-104 | C1 | S | 26.9 | 0.59 | 67 | 1.40 | 0.035 | 31 | ||||
| 78P02574 | 104-185 | C2 | S | 24.6 | 0.61 | 78 | 1.50 | 45 | |||||
| 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 | 5C1 | 5C3 | 8D1 | 5D2 | ||||||||||||||
| 78P02570 | 0-15 | A | S | 6.7 | 1.74 | 90 | 78 | 1.07 | tr | ||||||||||
| 78P02571 | 15-38 | Bt1 | S | 6.3 | 0.75 | 91 | 82 | 1.01 | tr | ||||||||||
| 78P02572 | 38-51 | Bt2 | S | 6.3 | 0.38 | 94 | 86 | 1.25 | tr | ||||||||||
| 78P02573 | 51-104 | C1 | S | 6.6 | 0.16 | 95 | 89 | 1.63 | tr | ||||||||||
| 78P02574 | 104-185 | C2 | S | 6.4 | 0.14 | 99 | 89 | 1.71 | tr | ||||||||||
| Pedon Calculations | |||
| Calculation Name | Result | Units of Measure | |
| CEC Activity, CEC7/Clay, Weighted Average | 1.1 | (NA) | |
| Clay, carbonate free, Weighted Average | 36 | % wt | |
| Weighted Particles, 0.1-75mm, 75 mm Base | 55 | % wt | |
| Volume, >2mm, Weighted Average | 22 | % vol | |
| Clay, total, Weighted Average | 36 | % wt | |
| Weighted averages based on control section: 15-51 cm | |||