Soil hydraulic parameters (i.e. saturated hydraulic conductivity, porosity, field capacity, and wilting point) for the 11 standard soil layers defined in STATSGO were extracted in ArcGIS and provided in ascii files. The standard soil layers defined in STATSGO are given in the table below.
Table- Soil layers defined in STATSGO
| Layer | Thickness | Depth to Top | Depth to Bottom |
1 | 5cm(2in) | 0cm(0in) | 5cm(2in) |
2 | 5cm(2in) | 5cm(2in) | 10cm(4in) |
3 | 10cm(4in) | 10cm(4in) | 20cm(8in) |
4 | 10cm(4in) | 20cm(8in) | 30cm(12in) |
5 | 10cm(4in) | 30cm(12in) | 40cm(16in) |
6 | 20cm(8in) | 40cm(16in) | 60cm(24in) |
7 | 20cm(8in) | 60cm(24in) | 80cm(31in) |
8 | 20cm(8in) | 80cm(31in) | 100cm(39in) |
9 | 50cm(20in) | 100cm(39in) | 150cm(59in) |
10 | 50cm(20in) | 150cm(59in) | 200cm(79in) |
11 | 50cm(20in) | 200cm(79in) | 250cm(98in) |
Please click here for the geographic information associated with these ascii files.
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Layer | Saturated Hydraulic Conductivity | Porosity | Field Capacity | Wilting Point |
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11 |