| Scale | Estimated Components and Factors | |
| Component | Factors | |
| Catchment | Precipitation | Open Field Precipitation |
| Throughfall | ||
| Depression Storage | Overland Flow | |
| Spring Water | Groundwater Component | |
| Creek Runoff | Natural Control Flow | |
| Hillslope | Toposequence of Pedons within the hillslope | Subsurface Flow |
| Pedon | Soil Solution | Chemical Quality |
| Chemical Depth Functions | ||
| Soil Matrix | Physical Properties | |
| Chemical Properties | ||