| *** Taxonomy Characterization Data *** |
| Pedon ID: S1972CA013007 | ( Contra Costa, California ) | Print Date: Apr 27 2024 2:08PM |
| Sampled as on Apr 11, 1972: | Los Osos |
| Revised to correlated: | unnamed ; Typic Argixerolls |
| United States Department of Agriculture | ||||
| SSL | - | Project | NL71CA001 CONTRA COSTA ARE | Natural Resources Conservation Service |
| - | Site ID | S1972CA013007 | National Soil Survey Center | |
| - | Pedon No. | 72C0007 | 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 | ||||||||||
| 72C00045 | 0-20 | A | S | 0.46 | 1.41 | 0.045 | -- | ||||||
| 72C00045 | 0-20 | A | GP | 28.2 | 11.5 | ||||||||
| 72C00046 | 20-46 | B1 | S | 0.42 | 1.39 | 0.074 | -- | ||||||
| 72C00046 | 20-46 | B1 | GP | 34.1 | |||||||||
| 72C00047 | 46-66 | B21 | S | 0.44 | 1.42 | 0.070 | -- | ||||||
| 72C00047 | 46-66 | B21 | GP | 36.3 | |||||||||
| 72C00048 | 66-89 | B22 | S | 0.48 | 1.42 | 0.080 | -- | ||||||
| 72C00048 | 66-89 | B22 | GP | 34.8 | 14.7 | ||||||||
| 72C00049 | 89-109 | C1 | S | 0.83 | 1.50 | 0.067 | -- | ||||||
| 72C00049 | 89-109 | C1 | GP | 11.8 | |||||||||
| 72C00050 | 109-125 | C2 | S | 0.88 | 1.67 | 0.049 | -- | ||||||
| 72C00050 | 109-125 | C2 | GP | 13.7 | 3.3 | ||||||||
| 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 | ||||||||||||||||
| 72C00045 | 0-20 | A | S | 1.02 | |||||||||||||||
| 72C00045 | 0-20 | A | GP | 5.8 | 1.80 | 1 | |||||||||||||
| 72C00046 | 20-46 | B1 | S | 1.01 | |||||||||||||||
| 72C00046 | 20-46 | B1 | GP | 6.0 | 0.99 | 1 | |||||||||||||
| 72C00047 | 46-66 | B21 | S | 1.10 | |||||||||||||||
| 72C00047 | 46-66 | B21 | GP | 6.2 | 0.67 | 1 | |||||||||||||
| 72C00048 | 66-89 | B22 | S | 1.24 | |||||||||||||||
| 72C00048 | 66-89 | B22 | GP | 6.5 | 0.41 | 1 | |||||||||||||
| 72C00049 | 89-109 | C1 | S | 2.25 | |||||||||||||||
| 72C00049 | 89-109 | C1 | GP | 6.7 | 0.21 | 2 | |||||||||||||
| 72C00050 | 109-125 | C2 | S | 2.31 | |||||||||||||||
| 72C00050 | 109-125 | C2 | GP | 7.0 | 0.20 | 1 | |||||||||||||
| Pedon Calculations | |||
| Calculation Name | Result | Units of Measure | |
| CEC Activity, CEC7/Clay, Weighted Average | 1.06 | (NA) | |
| Clay, carbonate free, Weighted Average | 35 | % wt | |
| Volume, >2mm, Weighted Average | 0 | % vol | |
| Clay, total, Weighted Average | 35 | % wt | |
| LE, Whole Soil, Summed to 1m | 7 | cm/m | |
| Weighted averages based on control section: 20-70 cm | |||