| *** Taxonomy Characterization Data *** |
| Pedon ID: 81AK280008 | ( Wrangell-Petersburg Census Area, Alaska ) | Print Date: Feb 16 2026 5:51PM |
| Sampled as on May 30, 1981: | Plot No. 157 ; Thixotropic-skeletal Humic Cryorthods |
| Revised to correlated on Nov 1, 1991: | Unnamed ; Sandy, mixed Typic Humicryod |
| United States Department of Agriculture | ||||
| SSL | - | Project | CP82AK190 TONGASS NATIONAL FOREST-STIKINE AREA | Natural Resources Conservation Service |
| - | Site ID | S1981AK280008 Lat: 56° 4' 20.01" north Long: 131° 58' 35.02" west MLRA: 168 | National Soil Survey Center | |
| - | Pedon No. | 82P0552 | 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 | ||||||||||||
| 82P02803 | 0-2 | E | S | 2.7 | 4.93 | 81 | -- | ||||||
| 82P02804 | 2-15 | B1 | S | 2.4 | 7.96 | 58 | -- | ||||||
| 82P02805 | 15-33 | B1 | S | 1.4 | 10.07 | 71 | 15 | ||||||
| 82P02806 | 33-58 | B2 | S | 1.9 | 6.42 | 71 | 25 | ||||||
| 82P02807 | 58-152 | C | S | 2.3 | 5.70 | 72 | 40 | ||||||
| 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 | 4C1a1a1 | 6A1c | 5C1 | 5C3 | 5A3b | 8D1 | 5G1 | 5D2 | |||||||||||
| 82P02803 | 0-2 | E | S | 4.3 | 9.0 | 5.04 | 13 | 7 | 4.6 | 6.78 | 1.70 | 50 | 1 | ||||||
| 82P02804 | 2-15 | B1 | S | 5.1 | 11.5 | 7.02 | 7 | 4 | 4.1 | 13.92 | 1.71 | 44 | 1 | ||||||
| 82P02805 | 15-33 | B1 | S | 5.0 | 11.4 | 6.36 | 5 | 3 | 2.7 | 17.14 | 1.93 | 56 | tr | ||||||
| 82P02806 | 33-58 | B2 | S | 4.9 | 11.3 | 5.48 | 4 | 3 | 2.6 | 10.63 | 1.37 | 65 | tr | ||||||
| 82P02807 | 58-152 | C | S | 4.8 | 11.4 | 5.79 | 3 | 2 | 2.8 | 9.83 | 1.22 | 79 | tr | ||||||
| Pedon Calculations | |||
| Calculation Name | Result | Units of Measure | |
| CEC Activity, CEC7/Clay, Weighted Average | 10.88 | (NA) | |
| Clay, carbonate free, Weighted Average | 2 | % wt | |
| Weighted Particles, 0.1-75mm, 75 mm Base | 72 | % wt | |
| Volume, >2mm, Weighted Average | 32 | % vol | |
| Clay, total, Weighted Average | 2 | % wt | |
| Weighted averages based on control section: 25-100 cm | |||