| *** Taxonomy Characterization Data *** |
| Pedon ID: S1959CA001001 | ( Alameda, California ) | Print Date: May 17 2024 5:18AM |
| Sampled as on May 30, 1959: | Positas |
| Revised to correlated: | POSITAS ; Fine, smectitic, thermic Mollic Palexeralfs |
| United States Department of Agriculture | ||||
| SSL | - | Project | NL40001 SSIR SAMPLES | Soil Conservation Service |
| - | Site ID | S1959CA001001 Lat: 37° 39' 0.99" north Long: 121° 41' 46.01" west MLRA: 15 | Riverside Soil Survey Laboratory | |
| - | Pedon No. | 40A2928 | 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 | |||||||||||||
| 40A23095 | 0-20 | Ap | S | 16.0 | 0.36 | 21 | -- | ||||||
| 40A23096 | 20-28 | A | S | 16.4 | 0.39 | 20 | -- | ||||||
| 40A23097 | 28-51 | B11 | S | 53.0 | 0.44 | 11 | -- | ||||||
| 40A23098 | 51-74 | B12 | S | 42.7 | 0.43 | 19 | -- | ||||||
| 40A23099 | 74-99 | B21 | S | 26.9 | 0.40 | 27 | -- | ||||||
| 40A23100 | 99-137 | B22 | S | 23.4 | 0.41 | 35 | -- | ||||||
| 40A23101 | 137-163 | C | S | 21.1 | 0.42 | 53 | 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 | % | |||||||||||
| 6A1a | 6E1a | 8A1a | |||||||||||||||||
| 40A23095 | 0-20 | Ap | S | 1.07 | 73 | 0.30 | |||||||||||||
| 40A23096 | 20-28 | A | S | 0.54 | 73 | 0.30 | |||||||||||||
| 40A23097 | 28-51 | B11 | S | 0.56 | 81 | 0.30 | |||||||||||||
| 40A23098 | 51-74 | B12 | S | 0.34 | 90 | 0.60 | |||||||||||||
| 40A23099 | 74-99 | B21 | S | 0.04 | -- | 97 | 1.30 | ||||||||||||
| 40A23100 | 99-137 | B22 | S | 0.03 | -- | 95 | 1.80 | ||||||||||||
| 40A23101 | 137-163 | C | S | 0.03 | 93 | 2.20 | |||||||||||||
| Pedon Calculations | |||
| Calculation Name | Result | Units of Measure | |
| Clay, carbonate free, Weighted Average | 39 | % wt | |
| Weighted Particles, 0.1-75mm, 75 mm Base | 19 | % wt | |
| Volume, >2mm, Weighted Average | 5 | % vol | |
| Clay, total, Weighted Average | 39 | % wt | |
| Weighted averages based on control section: 25-100 cm | |||