| *** Taxonomy Characterization Data *** |
| Pedon ID: S1972CA013008 | ( Contra Costa, California ) | Print Date: Apr 28 2024 10:23AM |
| Sampled as on Apr 12, 1972: | Los Osos |
| Revised to correlated: | unnamed ; Fine, montmorillonitic, thermic Typic Argixerolls |
| United States Department of Agriculture | ||||
| SSL | - | Project | NL71CA001 CONTRA COSTA ARE | Natural Resources Conservation Service |
| - | Site ID | S1972CA013008 | National Soil Survey Center | |
| - | Pedon No. | 72C0009 | 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 | ||||||||||
| 72C00058 | 0-18 | A1 | S | 0.48 | -- | 1.50 | 0.046 | 11 | |||||
| 72C00058 | 0-18 | A1 | GP | 29.4 | 16.8 | ||||||||
| 72C00059 | 18-48 | A2 | S | 0.47 | -- | 1.44 | 0.062 | 12 | |||||
| 72C00059 | 18-48 | A2 | GP | 31.0 | |||||||||
| 72C00060 | 48-63 | B1 | S | 0.46 | -- | 1.44 | 0.061 | 15 | |||||
| 72C00060 | 48-63 | B1 | GP | 37.2 | |||||||||
| 72C00061 | 63-86 | B2 | S | 0.50 | -- | 1.39 | 0.058 | 29 | |||||
| 72C00061 | 63-86 | B2 | GP | 33.3 | 10.2 | ||||||||
| 72C00062 | 86-107 | C1 | S | 0.56 | -- | 1.48 | 0.033 | 48 | |||||
| 72C00062 | 86-107 | C1 | GP | 27.1 | 6.3 | ||||||||
| 72C00063 | 107-152 | C2 | S | 0.54 | -- | 1.73 | 0.008 | 80 | |||||
| 72C00063 | 107-152 | C2 | GP | 28.0 | |||||||||
| 72C00064 | 152-191 | C3 | S | 0.47 | -- | 1.69 | 0.013 | 76 | |||||
| 72C00064 | 152-191 | C3 | GP | 31.0 | |||||||||
| 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 | 8D1 | 5D2 | ||||||||||||||||
| 72C00058 | 0-18 | A1 | S | 1.02 | |||||||||||||||
| 72C00058 | 0-18 | A1 | GP | 6.4 | 1.47 | 1 | |||||||||||||
| 72C00059 | 18-48 | A2 | S | 1.03 | |||||||||||||||
| 72C00059 | 18-48 | A2 | GP | 6.6 | 0.94 | 2 | |||||||||||||
| 72C00060 | 48-63 | B1 | S | 1.14 | |||||||||||||||
| 72C00060 | 48-63 | B1 | GP | 6.8 | 0.49 | 1 | |||||||||||||
| 72C00061 | 63-86 | B2 | S | 1.22 | |||||||||||||||
| 72C00061 | 63-86 | B2 | GP | 6.9 | 0.39 | 1 | |||||||||||||
| 72C00062 | 86-107 | C1 | S | 1.31 | |||||||||||||||
| 72C00062 | 86-107 | C1 | GP | 6.9 | 0.35 | 1 | |||||||||||||
| 72C00063 | 107-152 | C2 | S | 1.34 | |||||||||||||||
| 72C00063 | 107-152 | C2 | GP | 6.9 | 0.33 | 1 | |||||||||||||
| 72C00064 | 152-191 | C3 | S | 1.06 | |||||||||||||||
| 72C00064 | 152-191 | C3 | GP | 7.1 | 0.41 | 2 | |||||||||||||
| Pedon Calculations | |||
| Calculation Name | Result | Units of Measure | |
| CEC Activity, CEC7/Clay, Weighted Average | 1.19 | (NA) | |
| Clay, carbonate free, Weighted Average | 35 | % wt | |
| Volume, >2mm, Weighted Average | 23 | % vol | |
| Clay, total, Weighted Average | 35 | % wt | |
| LE, Whole Soil, Summed to 1m | 5 | cm/m | |
| Weighted averages based on control section: 48-86 cm | |||