# codes.bsn

| Field                                                                                       | Description                                      | Type    |
| ------------------------------------------------------------------------------------------- | ------------------------------------------------ | ------- |
| pet\_file                                                                                   | Currently not used                               | string  |
| wq\_file                                                                                    | Currently not used                               | string  |
| [pet](https://swatplus.gitbook.io/io-docs/introduction-1/basin-1/codes.bsn/pet)             | Potential Evapotranspiration (PET) method        | integer |
| event                                                                                       | Currently not used                               | integer |
| [crack](https://swatplus.gitbook.io/io-docs/introduction-1/basin-1/codes.bsn/crack)         | Crack flow                                       | integer |
| [swift\_out](https://swatplus.gitbook.io/io-docs/introduction-1/basin-1/codes.bsn/rtu_wq)   | Writing of input file for SWIFT                  | integer |
| sed\_det                                                                                    | Currently not used                               | integer |
| [rte\_cha](https://swatplus.gitbook.io/io-docs/introduction-1/basin-1/codes.bsn/rte_cha)    | Channel routing                                  | integer |
| deg\_cha                                                                                    | Currently not used                               | integer |
| wq\_cha                                                                                     | Currently not used                               | integer |
| [nostress](https://swatplus.gitbook.io/io-docs/introduction-1/basin-1/codes.bsn/rte_pest)   | Turning off of plant stress                      | integer |
| cn                                                                                          | Currently not used                               | integer |
| c\_fact                                                                                     | Currently not used                               | integer |
| [carbon](https://swatplus.gitbook.io/io-docs/introduction-1/basin-1/codes.bsn/carbon)       | Carbon routine                                   | integer |
| [lapse](https://swatplus.gitbook.io/io-docs/introduction-1/basin-1/codes.bsn/baseflo)       | Precipitation and temperature lapse rate control | integer |
| [uhyd](https://swatplus.gitbook.io/io-docs/introduction-1/basin-1/codes.bsn/uhyd)           | Unit Hydrograph method                           | integer |
| sed\_cha                                                                                    | Currently not used                               | integer |
| [tiledrain](https://swatplus.gitbook.io/io-docs/introduction-1/basin-1/codes.bsn/tiledrain) | Tile drainage equation code                      | integer |
| [wtable](https://swatplus.gitbook.io/io-docs/introduction-1/basin-1/codes.bsn/wtable)       | Water table depth algorithms                     | integer |
| [soil\_p](https://swatplus.gitbook.io/io-docs/introduction-1/basin-1/codes.bsn/soil_p)      | Soil phosphorus model                            | integer |
| [gampt](https://swatplus.gitbook.io/io-docs/introduction-1/basin-1/codes.bsn/abstr_init)    | Surface runoff method                            | integer |
| atmo\_dep                                                                                   | Currently not used                               | string  |
| stor\_max                                                                                   | Currently not used                               | integer |
| qual2e                                                                                      | Instream nutrient routing method                 | integer |
| [gwflow](https://swatplus.gitbook.io/io-docs/introduction-1/basin-1/codes.bsn/headwater)    | Flood routing                                    | integer |
