| *** Taxonomy Characterization Data *** |
| Pedon ID: S1955CA081006 | ( San Mateo, California ) | Print Date: Jan 29 2025 6:03PM |
| Sampled as on Feb 23, 1955: | Elkhorn |
| Revised to correlated: | Elkhorn ; Fine-loamy, mixed, mesic Ultic Haploxeralfs |
| United States Department of Agriculture | ||||
| SSL | - | Project | NL40001 SSIR SAMPLES | Soil Conservation Service |
| - | Site ID | S1955CA081006 Lat: 37° 11' 22.00" north Long: 122° 23' 33.01" west MLRA: 4 | Riverside Soil Survey Laboratory | |
| - | Pedon No. | 40A2891 | Soil Laboratory | |
| - | General Methods 1B1A, 2A1, 2B | Riverside, California | ||
| 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 | |||||||||||||
| 40A22791 | 0-33 | Ap | S | 7.0 | 0.50 | 73 | -- | ||||||
| 40A22792 | 33-43 | A | S | 9.1 | 0.43 | 69 | -- | ||||||
| 40A22793 | 43-61 | E1 | S | 9.3 | 0.41 | 70 | -- | ||||||
| 40A22794 | 61-69 | E2 | S | 11.3 | 0.42 | 69 | -- | ||||||
| 40A22795 | 69-102 | B1 | S | 20.4 | 0.42 | 62 | -- | ||||||
| 40A22796 | 102-140 | B2 | S | 12.7 | 0.49 | 74 | -- | ||||||
| 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 | % | |||||||||||
| 6A1a | 8A1a | ||||||||||||||||||
| 40A22791 | 0-33 | Ap | S | 1.13 | 44 | 0.60 | |||||||||||||
| 40A22792 | 33-43 | A | S | 0.72 | 39 | 0.60 | |||||||||||||
| 40A22793 | 43-61 | E1 | S | 0.58 | 45 | 0.70 | |||||||||||||
| 40A22794 | 61-69 | E2 | S | 0.39 | 42 | 0.60 | |||||||||||||
| 40A22795 | 69-102 | B1 | S | 0.25 | 57 | 0.60 | |||||||||||||
| 40A22796 | 102-140 | B2 | S | 0.10 | 55 | 0.80 | |||||||||||||
| 40A22797 | 140-162 | Cg/C | S | 0.07 | 0.40 | ||||||||||||||
| Pedon Calculations | |||
| Calculation Name | Result | Units of Measure | |
| Clay, carbonate free, Weighted Average | 14 | % wt | |
| Weighted Particles, 0.1-75mm, 75 mm Base | 67 | % wt | |
| Volume, >2mm, Weighted Average | 0 | % vol | |
| Clay, total, Weighted Average | 14 | % wt | |
| Weighted averages based on control section: 25-100 cm | |||