| *** Taxonomy Characterization Data *** |
| Pedon ID: S1972CA013006 | ( Contra Costa, California ) | Print Date: Apr 27 2024 9:46AM |
| Sampled as on Apr 11, 1972: | Los Osos |
| Revised to correlated: | unnamed ; Fine, mixed, thermic Typic Argixerolls |
| United States Department of Agriculture | ||||
| SSL | - | Project | NL71CA001 CONTRA COSTA ARE | Natural Resources Conservation Service |
| - | Site ID | S1972CA013006 | National Soil Survey Center | |
| - | Pedon No. | 72C0008 | 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 | ||||||||||
| 72C00051 | 0-18 | A | S | 0.47 | 1.56 | 0.033 | -- | ||||||
| 72C00051 | 0-18 | A | GP | 25.1 | 14.8 | ||||||||
| 72C00052 | 18-38 | Bt1 | S | 0.41 | 1.44 | 0.095 | -- | ||||||
| 72C00052 | 18-38 | Bt1 | GP | 38.1 | |||||||||
| 72C00053 | 38-58 | Bt2 | S | 0.48 | 1.48 | 0.083 | -- | ||||||
| 72C00053 | 38-58 | Bt2 | GP | 34.0 | 14.9 | ||||||||
| 72C00054 | 58-84 | B | S | 0.62 | 1.48 | 0.071 | -- | ||||||
| 72C00054 | 58-84 | B | GP | 24.4 | 8.1 | ||||||||
| 72C00055 | 84-109 | 2C1 | S | 0.74 | 1.48 | 0.071 | -- | ||||||
| 72C00055 | 84-109 | 2C1 | GP | 18.3 | 6.7 | ||||||||
| 72C00056 | 109-160 | 2C2 | S | 0.50 | 1.50 | 0.078 | -- | ||||||
| 72C00056 | 109-160 | 2C2 | GP | 30.6 | |||||||||
| 72C00057 | 160-183 | 2C3 | S | 0.52 | 1.65 | 0.050 | -- | ||||||
| 72C00057 | 160-183 | 2C3 | GP | 28.4 | |||||||||
| 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 | 8D1 | 5D2 | |||||||||||||||
| 72C00051 | 0-18 | A | S | 0.98 | |||||||||||||||
| 72C00051 | 0-18 | A | GP | 6.0 | 1.51 | 2 | |||||||||||||
| 72C00052 | 18-38 | Bt1 | S | 0.96 | |||||||||||||||
| 72C00052 | 18-38 | Bt1 | GP | 6.2 | 0.37 | 2 | |||||||||||||
| 72C00053 | 38-58 | Bt2 | S | 1.16 | |||||||||||||||
| 72C00053 | 38-58 | Bt2 | GP | 6.9 | 0.27 | 2 | |||||||||||||
| 72C00054 | 58-84 | B | S | 1.52 | |||||||||||||||
| 72C00054 | 58-84 | B | GP | 8.2 | 0.17 | 1 | 3 | ||||||||||||
| 72C00055 | 84-109 | 2C1 | S | 1.77 | |||||||||||||||
| 72C00055 | 84-109 | 2C1 | GP | 8.2 | 0.13 | 3 | |||||||||||||
| 72C00056 | 109-160 | 2C2 | S | 1.14 | |||||||||||||||
| 72C00056 | 109-160 | 2C2 | GP | 7.8 | 0.18 | 3 | |||||||||||||
| 72C00057 | 160-183 | 2C3 | S | 1.19 | |||||||||||||||
| 72C00057 | 160-183 | 2C3 | GP | 7.9 | 0.26 | 1 | 2 | ||||||||||||
| Pedon Calculations | |||
| Calculation Name | Result | Units of Measure | |
| CEC Activity, CEC7/Clay, Weighted Average | 1.15 | (NA) | |
| Clay, carbonate free, Weighted Average | 34 | % wt | |
| Volume, >2mm, Weighted Average | 0 | % vol | |
| Clay, total, Weighted Average | 34 | % wt | |
| LE, Whole Soil, Summed to 1m | 7 | cm/m | |
| Weighted averages based on control section: 18-68 cm | |||