| *** Taxonomy Characterization Data *** |
| Pedon ID: S1972CA013005 | ( Contra Costa, California ) | Print Date: Apr 27 2024 3:08PM |
| Sampled as on Apr 11, 1972: | Los Osos |
| Revised to correlated: | unnamed ; Fine-loamy, mixed, thermic Typic Argixerolls |
| United States Department of Agriculture | ||||
| SSL | - | Project | NL71CA001 CONTRA COSTA ARE | Natural Resources Conservation Service |
| - | Site ID | S1972CA013005 | National Soil Survey Center | |
| - | Pedon No. | 72C0006 | 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 | ||||||||||
| 72C00039 | 0-13 | A1 | S | 0.47 | 1.45 | 0.038 | -- | ||||||
| 72C00039 | 0-13 | A1 | GP | 25.8 | 12.9 | ||||||||
| 72C00040 | 13-33 | A2 | S | 0.44 | 1.32 | 0.050 | -- | ||||||
| 72C00040 | 13-33 | A2 | GP | 26.4 | |||||||||
| 72C00041 | 33-51 | A3 | S | 25.8 | 0.44 | 28 | 1.32 | 0.047 | 2 | ||||
| 72C00042 | 51-74 | B | S | 0.48 | 1.42 | 0.049 | -- | ||||||
| 72C00042 | 51-74 | B | GP | 23.0 | 11.4 | ||||||||
| 72C00043 | 74-137 | C1 | S | 1.29 | 1.81 | 0.027 | -- | ||||||
| 72C00043 | 74-137 | C1 | GP | 7.2 | 2.1 | ||||||||
| 72C00044 | 137-165 | C2 | S | 1.11 | 1.87 | 0.026 | -- | ||||||
| 72C00044 | 137-165 | C2 | GP | 5.5 | |||||||||
| 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 | 5C1 | 5C3 | 8D1 | 5D2 | ||||||||||||||
| 72C00039 | 0-13 | A1 | S | 1.09 | |||||||||||||||
| 72C00039 | 0-13 | A1 | GP | 5.9 | 1.88 | 2 | |||||||||||||
| 72C00040 | 13-33 | A2 | S | 1.09 | |||||||||||||||
| 72C00040 | 13-33 | A2 | GP | 6.0 | 0.99 | 1 | |||||||||||||
| 72C00041 | 33-51 | A3 | S | 6.2 | 0.77 | 88 | 85 | 1.12 | 2 | ||||||||||
| 72C00042 | 51-74 | B | S | 1.26 | |||||||||||||||
| 72C00042 | 51-74 | B | GP | 6.2 | 0.62 | 2 | |||||||||||||
| 72C00043 | 74-137 | C1 | S | 3.68 | |||||||||||||||
| 72C00043 | 74-137 | C1 | GP | 7.0 | 0.07 | 2 | |||||||||||||
| 72C00044 | 137-165 | C2 | S | 3.51 | |||||||||||||||
| 72C00044 | 137-165 | C2 | GP | 6.9 | 0.06 | 2 | |||||||||||||
| Pedon Calculations | |||
| Calculation Name | Result | Units of Measure | |
| CEC Activity, CEC7/Clay, Weighted Average | 1.26 | (NA) | |
| Clay, carbonate free, Weighted Average | 23 | % wt | |
| Volume, >2mm, Weighted Average | 0 | % vol | |
| Clay, total, Weighted Average | 23 | % wt | |
| LE, Whole Soil, Summed to 1m | 4 | cm/m | |
| Weighted averages based on control section: 51-74 cm | |||