A tool to quickly view and analyze outputs from a SWAT model
In some research, the SWAT models are created differently. Only the model input files and some of the shapefiles are available. In this case, you could manually create the swat project and use the SWAT viewer. The video will show you how to do that. For the subbasin and reach shapefile, make sure the subbasin …
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SWAT projects created by ArcSWAT and QSWAT shares the same structure. In this video, I talked about the structure and how the SWAT Viewer use the information to run the model and show the model result on a map. If you are not using ArcSWAT or QSWAT to create your model, you still could use …
Some SWAT users have experienced the input conversion error when running the SWAT model. The video below will show you what causes this error and how to fix it.
It has been requested to export the map to a file. Here it is:) Simply choose the Export Map menu from the map context menu (shown below). The map will be saved to a png file. Enjoy this function with version 0.1.0.1.
In research, the SWAT source codes are usually modified to add new features or integrate new algorithms. To demonstrate the improvement, it's often required to compare with the official unchanged SWAT model. SWAT Output Viewer supports to quickly compare the SWAT outputs from two different SWAT versions. These two version could be from SWAT team …
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During SWAT model calibration, the simulated flow, sediment, nitrogen and phosphorus results are frequently compared with observed values to evaluate the model performance. SWAT Output Viewer has the ability to quickly calculate several model performance indicators on-the-fly (as shown below) once the model simulation is done. To be able to compare with observed data, the …
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The thematic map in SWAT Output Viewer is able to show data of three summary types: single time step, annual and average annual. For single time step, it could be each day, each month and each year depending out the configuration of the outputs. When the single time step option is selected, the time could be …
Some research focus on the nutrient load at the outlet. An annual load table would be helpful. With SWAT Output Viewer, the table could be exported to a CSV file. The Export button is located in the toolbar besides the help button. To export the annual TP load, select the most downstream reach in the reach …
If you get error messages like below, you come to the right place. It means you are trying to write more data than the data table can hold. For example, you will get this message if trying to write string “I’m a long string” to a text field that could be 4 letter long. It …
Continue reading "ArcSWAT Error – Try inserting or pasting less data: IN, mWriteInputFiles.sol"
SWAT Bug in Reading CHM fileIf you are dealing with more than 6 soil layers, be cautious on the water quality outputs. A bug in SWAT would have impact on the initial N/P in soil and in turn would have impact on water quality in the main channel. Description Initial soil N/P could be set …