| *** Taxonomy Characterization Data *** |
| Pedon ID: 74CA041005 updated | ( Marin, California ) | Print Date: Nov 21 2024 1:02PM |
| Sampled as on Apr 22, 1974: | Baywood |
| Revised to correlated: | SIRDRAK ; Sandy, mixed, isomesic Lamellic Haplustepts |
| United States Department of Agriculture | ||||
| SSL | - | Project | NL74CA002 MARIN CO | Natural Resources Conservation Service |
| - | Site ID | 74CA041005 update Lat: 38° 8' 41.60" north Long: 122° 56' 12.85" west MLRA: 15 | National Soil Survey Center | |
| - | Pedon No. | 74C0016 | 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 | 8D1 | 4A1d | |||||||||||
| 74C00104 | 0-8 | A1 | S | 1.4 | 6.50 | 94 | 1.19 | 0.043 | tr | ||||
| 74C00105 | 8-26 | A2 | S | 2.3 | 1.83 | 91 | tr | ||||||
| 74C00106 | 26-50 | A3 | S | 2.1 | 1.67 | 92 | tr | ||||||
| 74C00107 | 50-76 | A4 | S | 2.0 | 1.60 | 92 | tr | ||||||
| 74C00108 | 76-107 | A5 | S | 2.2 | 1.32 | 91 | tr | ||||||
| 74C00109 | 107-140 | A6 | S | 2.0 | 1.45 | 93 | tr | ||||||
| 74C00110 | 140-170 | C | S | 2.0 | 1.30 | 94 | tr | ||||||
| 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 | 5A3b | 8D1 | 5G1 | 5D2 | ||||||||||||
| 74C00104 | 0-8 | A1 | S | 5.5 | 3.44 | 83 | 58 | 10.1 | 8.36 | 7.21 | 4 | 2 | |||||||
| 74C00105 | 8-26 | A2 | S | 5.4 | 1.63 | 59 | 38 | 5.2 | 3.70 | 2.26 | 4 | 2 | |||||||
| 74C00106 | 26-50 | A3 | S | 5.5 | 1.17 | 62 | 37 | 3.9 | 2.90 | 1.86 | 3 | 3 | |||||||
| 74C00107 | 50-76 | A4 | S | 5.5 | 0.82 | 54 | 30 | 3.0 | 2.70 | 1.50 | 3 | 4 | |||||||
| 74C00108 | 76-107 | A5 | S | 5.6 | 0.59 | 51 | 31 | 2.5 | 2.14 | 1.14 | 4 | 2 | |||||||
| 74C00109 | 107-140 | A6 | S | 5.5 | 0.47 | 47 | 31 | 2.3 | 2.35 | 1.15 | 4 | 4 | |||||||
| 74C00110 | 140-170 | C | S | 5.2 | 0.30 | 41 | 26 | 1.9 | 1.95 | 0.95 | 16 | 5 | |||||||
| Pedon Calculations | |||
| Calculation Name | Result | Units of Measure | |
| CEC Activity, CEC7/Clay, Weighted Average | 2.6 | (NA) | |
| Clay, carbonate free, Weighted Average | 2 | % wt | |
| Weighted Particles, 0.1-75mm, 75 mm Base | 92 | % wt | |
| Volume, >2mm, Weighted Average | 0 | % vol | |
| Clay, total, Weighted Average | 2 | % wt | |
| Weighted averages based on control section: 25-100 cm | |||