| *** Taxonomy Characterization Data *** |
| Pedon ID: S2017CO013007 | ( Boulder, Colorado ) | Print Date: Dec 6 2025 4:39PM |
| Sampled as on May 22, 2017: | Calkins ; Coarse-loamy, mixed, superactive, mesic Cumulic Haplustolls |
| Revised to : |
| United States Department of Agriculture | ||||
| SSL | - | Project | C2017USCO096 DSP 2017 CO Soil Carbon | Natural Resources Conservation Service |
| - | Site ID | S2017CO013007 Lat: 40° 7' 56.90" north Long: 105° 8' 8.82" west MLRA: 67B | National Soil Survey Center | |
| - | Pedon No. | 17N0860 | Kellogg 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 | DbWR1 | ||||||||||||
| 17N04213 | 0-11 | Ap1 | S | 11.1 | 0.47 | 64 | 1.51 | 0.006 | 3 | ||||
| 17N04214 | 11-33 | Ap2 | S | 11.6 | 0.41 | 63 | 1.65 | 0.006 | 3 | ||||
| 17N04215 | 33-76 | Bw1 | S | 9.7 | 0.39 | 64 | 1.56 | -- | 2 | ||||
| 17N04216 | 76-107 | Bw2 | S | 7.2 | 0.49 | 65 | 1.57 | 0.004 | 2 | ||||
| 17N04217 | 107-132 | BC | S | 8.9 | 0.67 | 13.9 | 39 | 1.42 | 0.014 | tr | |||
| 17N04218 | 132-165 | Cg1 | S | 15.6 | 0.51 | 33 | 1.48 | 0.013 | -- | ||||
| 17N04219 | 165-225 | Cg2 | S | 14.5 | 0.52 | 32 | 1.52 | 0.013 | -- | ||||
| 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 | 4H2a | 4E1a1a1a1 | 4F2 | ||||||||||||||||
| 17N04213 | 0-11 | Ap1 | S | 6.0 | 1.19 | 100* | 70 | 0.73 | 2.09 | ||||||||||
| 17N04214 | 11-33 | Ap2 | S | 6.8 | 0.71 | 100* | 72 | 0.61 | -- | ||||||||||
| 17N04215 | 33-76 | Bw1 | S | 7.1 | 0.48 | -- | 100* | 73 | 0.71 | 1 | |||||||||
| 17N04216 | 76-107 | Bw2 | S | 7.3 | 0.32 | 100* | 73 | 0.85 | 1 | ||||||||||
| 17N04217 | 107-132 | BC | S | 7.8 | 0.43 | -- | 100* | 83 | 1.00 | 1 | |||||||||
| 17N04218 | 132-165 | Cg1 | S | 7.9 | 0.49 | -- | 100* | 81 | 0.75 | 1 | |||||||||
| 17N04219 | 165-225 | Cg2 | S | 7.7 | 0.33 | -- | 100* | 80 | 0.70 | 2 | |||||||||
| Pedon Calculations | |||
| Calculation Name | Result | Units of Measure | |
| Weighted Particles, 0.1-75mm, 75 mm Base | 64 | % wt | |
| Volume, >2mm, Weighted Average | 2 | % vol | |
| Clay, carbonate free, Weighted Average | 9 | % wt | |
| Clay, total, Weighted Average | 9 | % wt | |
| LE, Whole Soil, Summed to 1m | 0 | cm/m | |
| CEC Activity, CEC7/Clay, Weighted Average, CECd, Set 6 | 0.74 | (NA) | |
| Weighted averages based on control section: 25-100 cm | |||