Hi SWAT+ Community, I am having an issue with SWAT+ Toolbox merging parameter entries in calibration.

Okay, please share the parameter ranges and the starting and ending dates of the observation file (

Hello, Question: For a BARL–OATS mixture growing and being harvested simultaneously in the same HRU,

Hola, estoy realizando una investigación con SWAT+ y tengo una consulta sobre la simulación de cambio

Hello everyone, I have attached the two calibration.cal files. I performed river flow calibration at

Good morning, Has anyone worked with water quality in the toolbox? Can I calibrate water quality

Dear SWAT + team, I am currently conducting research on how SWAT+ considers multiple plants within

Pls read this paper On Wed, Sep 2, 2026, 05:01 Abdulhamid Haji <abdulham...@gmail.com>

Let try it using SWAT+ Editor version 3.2.5 with rev. 61 Kind regards Seifu On Tue, 1 Sept 2026, 20:

Hello, I'm using SWAT+ Toolbox v4.0.0 with SWAT+ Editor v4.0.1 (SWAT+ rev. 62), and I've run

Hi Mr. Tanvir, did you get it fixed? On Monday, April 20, 2026 at 5:09:03 AM UTC+2 tanvir ahmed wrote

For those curious, TSS is monthly sum and TP/TN are mean daily loads in that month. On Friday, July

Dear SWAT+ Development Team, I am currently trying to perform a multi-site calibration using SWAT+

Hello colleagues, What are the recommended values for 13 parameters for calibration using the above-

Dear SWAT+ Development and Support Team, I am working on a land-use change scenario in SWAT+ to

Hello, I'm running into an error while trying to run a Sensitivity Analysis in SWAT+ Toolbox and

Hello, I hope you are doing well. We are using the SWAT+ Toolbox to calibrate the stream temperature

Hi all, I'm using SWAT+ Toolbox (Rev 2026.62). I've finished calibrating streamflow (CALSI,

I am running SWAT+ on an agricultural watershed in Korea (11110 HRUs, 289 LSUs, 146 channels) and I

Does Toolbox handle calibration for snow_h2o and cov50? I cannot find them in the dropdown and tried

Dear All, Hello, my name is Martha Ryan and I am currently calibrating and validating streamflow for

HI Grace, Snow accumulation and melt parameters were calibrated using observed daily snowpack data

Hello, I am working on my first SWAT model and calibrated hydrology. What units do observed nutrients

Hi Isaac - Either your observation data has to be converted to total loads or your simulated data has

Dear Dr. Celray James Chawanda, I hope you are doing well. I am currently using the Sobol sensitivity

Dear All, Can you help me with failed export parameters: After calibration in SPT 4.0, I wanted to re

Hello all, I am trying to calibrate the SWAT+ model using both streamflow (Q) and evapotranspiration

Hi Everyone, I am using SWAT+ Toolbox v3.0.9 and have a question about River TN. My channel_sd_month

Hi Saba - When you ran the model did to make sure to check the boxes for printing results daily for

Dear all, I'm trying to calibrate my model for both streamflow and ET data at the same time by