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 …
Input Conversion Error
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.
Exporting Map to PNG File
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.
Test your customized SWAT model with SWAT Output Viewer
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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Quickly Check SWAT Model Performance with SWAT Output Viewer
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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Switch Time for Thematic Map
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 …
Export Annual Result to CSV File
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 …
ArcSWAT Error – Try inserting or pasting less data: IN, mWriteInputFiles.sol
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 …
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SWAT Bug in Reading CHM file
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 …
Compile and Debug SWAT with gfortran and Eclipse
As a SWAT modeller and programmer, it's very natural that I want to go deep into the SWAT source codes whenever questions come out. And again, it would be better to run SWAT live and look into values of all the variables to help trouble shooting. To do this, there are two options: commercial Intel …
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