| *** Taxonomy Characterization Data *** |
| Pedon ID: 81CA037002 | ( Los Angeles, California ) | Print Date: Nov 24 2024 11:23AM |
| Sampled as on Aug 1, 1981: | Altamont ; Fine, montmorillonitic Typic Chromoxerert |
| Revised to correlated: | Lostpoint ; Fine, smectitic, thermic Halic Haploxererts |
| United States Department of Agriculture | ||||
| SSL | - | Project | CP82CA039 SAN CLEMENTE ISLAND | Natural Resources Conservation Service |
| - | Site ID | S1981CA037002 | National Soil Survey Center | |
| - | Pedon No. | 82P0128 | 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 | 3A1a1a | 8D1 | 4A1d | ||||||||||
| 82P00644 | 0-5 | A1 | S | 25.7 | 11.6 | 0.45 | 29 | 1.49 | 0.032 | -- | |||
| 82P00645 | 5-15 | A2 | S | 41.8 | 26.9 | 0.51 | 21 | -- | |||||
| 82P00646 | 15-56 | A3 | S | 44.6 | 31.9 | 0.61 | 20 | 1.25 | 0.206 | -- | |||
| 82P00647 | 56-91 | A4 | S | 57.1 | 40.4 | 0.53 | 14 | -- | |||||
| 82P00648 | 91-102 | AC | S | 58.2 | 0.54 | 15 | 1.18 | 0.176 | -- | ||||
| 82P00649 | 102-112 | 2C | S | 38.0 | 0.55 | 35 | 1.21 | 0.118 | -- | ||||
| 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 | 5A3b | 8D1 | 5G1 | 5D2 | |||||||||||
| 82P00644 | 0-5 | A1 | S | 7.1 | 2.56 | -- | 100* | 84 | 0.80 | 13 | |||||||||
| 82P00645 | 5-15 | A2 | S | 7.4 | 1.41 | -- | 100* | 87 | 0.70 | 18 | |||||||||
| 82P00646 | 15-56 | A3 | S | 6.3 | 1.05 | 100* | 82 | 0.68 | 42 | ||||||||||
| 82P00647 | 56-91 | A4 | S | 5.3 | 0.75 | 100* | 81 | 0.67 | 68 | ||||||||||
| 82P00648 | 91-102 | AC | S | 5.0 | 0.61 | 100* | 80 | 50.3 | 0.69 | 0.86 | tr | 72 | |||||||
| 82P00649 | 102-112 | 2C | S | 5.1 | 0.52 | 100* | 77 | 42.2 | 0.92 | 1.11 | tr | 70 | |||||||
| Pedon Calculations | |||
| Calculation Name | Result | Units of Measure | |
| CEC Activity, CEC7/Clay, Weighted Average | 0.68 | (NA) | |
| Clay, carbonate free, Weighted Average | 52 | % wt | |
| Weighted Particles, 0.1-75mm, 75 mm Base | 17 | % wt | |
| Volume, >2mm, Weighted Average | 0 | % vol | |
| Clay, total, Weighted Average | 52 | % wt | |
| Weighted averages based on control section: 25-100 cm | |||