| *** Taxonomy Characterization Data *** |
| Pedon ID: 81AK280007 | ( Wrangell-Petersburg Census Area, Alaska ) | Print Date: Feb 6 2026 7:51PM |
| Sampled as on Jun 29, 1981: | Plot No. 156 ; Thixotropic Humic Cryorthods |
| Revised to correlated on Nov 1, 1991: | Unnamed ; Coarse-loamy, mixed, superactive Typic Haplocryod |
| United States Department of Agriculture | ||||
| SSL | - | Project | CP82AK190 TONGASS NATIONAL FOREST-STIKINE AREA | Natural Resources Conservation Service |
| - | Site ID | S1981AK280007 Lat: 56° 27' 40.01" north Long: 132° 37' 2.97" west MLRA: 168 | National Soil Survey Center | |
| - | Pedon No. | 82P0551 | 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 | ||||||||||||
| 82P02796 | 0-8 | E1 | S | 12.5 | 3.74 | 17 | -- | ||||||
| 82P02797 | 8-15 | E2 | S | 6.3 | 1.14 | 2 | -- | ||||||
| 82P02798 | 15-38 | Bs1 | S | 1.3 | 5.92 | 14 | -- | ||||||
| 82P02799 | 38-56 | Bs2 | S | 1.7 | 2.06 | 17 | 5 | ||||||
| 82P02800 | 56-94 | C1 | S | 1.3 | 3.77 | 14 | 5 | ||||||
| 82P02801 | 94-152 | C2 | S | 1.3 | 4.00 | 16 | 5 | ||||||
| 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 | |||||||||||
| 82P02796 | 0-8 | E1 | S | 4.0 | 7.3 | 17.68 | 22 | 16 | 13.5 | 3.69 | 1.08 | 24 | tr | ||||||
| 82P02797 | 8-15 | E2 | S | 4.6 | 8.2 | 5.35 | 23 | 15 | 6.7 | 2.84 | 1.06 | 37 | 2 | ||||||
| 82P02798 | 15-38 | Bs1 | S | 5.1 | 10.2 | 1.72 | 15 | 14 | 5.6 | 16.92 | 4.31 | 39 | 1 | ||||||
| 82P02799 | 38-56 | Bs2 | S | 4.8 | 9.0 | 1.05 | 14 | 9 | 2.6 | 5.00 | 1.53 | 54 | 1 | ||||||
| 82P02800 | 56-94 | C1 | S | 4.7 | 8.7 | 0.96 | 14 | 13 | 5.1 | 15.31 | 3.92 | 45 | 1 | ||||||
| 82P02801 | 94-152 | C2 | S | 4.7 | 8.8 | 0.92 | 9 | 9 | 3.6 | 14.15 | 2.77 | 56 | 1 | ||||||
| Pedon Calculations | |||
| Calculation Name | Result | Units of Measure | |
| CEC Activity, CEC7/Clay, Weighted Average | 13.02 | (NA) | |
| Clay, carbonate free, Weighted Average | 1 | % wt | |
| Weighted Particles, 0.1-75mm, 75 mm Base | 15 | % wt | |
| Volume, >2mm, Weighted Average | 4 | % vol | |
| Clay, total, Weighted Average | 1 | % wt | |
| Weighted averages based on control section: 25-100 cm | |||