| *** Taxonomy Characterization Data *** |
| Pedon ID: 87AK170002 | ( Matanuska-Susitna Borough, Alaska ) | Print Date: Nov 24 2024 4:20AM |
| Sampled as on Aug 30, 1987: | Snd ; Medial over sandy or sandy-skeletal, mixed Typic Cryorthod |
| Revised to correlated: | Benka ; Ashy over loamy, glassy Andic Haplocryods |
| United States Department of Agriculture | ||||
| SSL | - | Project | CP87AK259 SPODOSOL-ANDISOL | Natural Resources Conservation Service |
| - | Site ID | S1987AK170002 MLRA: 170 | National Soil Survey Center | |
| - | Pedon No. | 87P0781 | 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 | |||||||||||
| 87P04246 | 7-15 | E | S | 6.5 | 1.71 | 12 | 0.81 | 0.024 | -- | ||||
| 87P04247 | 15-25 | Bs1 | S | 3.9 | 2.56 | 21 | 0.91 | 0.018 | -- | ||||
| 87P04248 | 25-38 | Bs2 | S | 4.9 | 1.82 | 19 | 0.92 | 0.011 | -- | ||||
| 87P04249 | 38-46 | BC | S | 4.9 | 1.65 | 14 | 0.92 | 0.025 | -- | ||||
| 87P04250 | 46-68 | 2C1 | S | 2.7 | 1.44 | 35 | 1.00 | 0.083 | -- | ||||
| 87P04251 | 68-80 | 2C2 | S | 0.5 | 86 | 1.68 | 0.002 | 3 | |||||
| 87P04252 | 80-128 | 3C | S | 0.6 | 97 | 1.27 | 0.050 | 1 | |||||
| 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 | 8J | 5C1 | 5C3 | 6S4 | 5A3b | 8D1 | 5G1 | 5D2 | |||||||||
| 87P04245 | 0-7 | Oi | S | 4.2 | 7.1 | 20.20 | 0.55 | 63 | |||||||||||
| 87P04246 | 7-15 | E | S | 4.6 | 9.2 | 7.42 | 0.92 | 0.54 | 8 | 6 | 69 | 11.1 | 4.66 | 1.71 | 79 | tr | |||
| 87P04247 | 15-25 | Bs1 | S | 5.3 | 11.2 | 3.41 | 2.42 | 0.33 | 7 | 4 | 90 | 2.3 | 3.69 | 0.59 | 57 | 1 | |||
| 87P04248 | 25-38 | Bs2 | S | 5.6 | 11.0 | 2.50 | 2.32 | 0.21 | 7 | 3 | 85 | 2.16 | 1 | ||||||
| 87P04249 | 38-46 | BC | S | 5.7 | 11.0 | 1.77 | 1.98 | 0.15 | 11 | 6 | 82 | 1.94 | 2 | ||||||
| 87P04250 | 46-68 | 2C1 | S | 5.6 | 10.8 | 0.62 | 0.77 | 0.09 | 17 | 9 | 50 | 2.22 | 2 | ||||||
| 87P04251 | 68-80 | 2C2 | S | 5.6 | 10.4 | 0.19 | 0.30 | 0.04 | 21 | 14 | 25 | 3 | |||||||
| 87P04252 | 80-128 | 3C | S | 5.7 | 10.3 | 0.19 | 0.23 | 0.03 | 29 | 22 | 20 | 6 | |||||||
| Pedon Calculations | |||
| Calculation Name | Result | Units of Measure | |
| CEC Activity, CEC7/Clay, Weighted Average | 4.16 | (NA) | |
| Clay, carbonate free, Weighted Average | 2 | % wt | |
| Weighted Particles, 0.1-75mm, 75 mm Base | 62 | % wt | |
| Volume, >2mm, Weighted Average | 1 | % vol | |
| Clay, total, Weighted Average | 2 | % wt | |
| Weighted averages based on control section: 32-107 cm | |||