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Anthonia Nwabudike, … Yilak Taye4

Jul 21

SWAT+ Toolbox Result not the same as SWAT+ Editor

I faced the NSE variation between swat+ editor and swat+toolbox On Friday, February 21, 2025 at 10:16

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SWAT+ Toolbox Result not the same as SWAT+ Editor

I faced the NSE variation between swat+ editor and swat+toolbox On Friday, February 21, 2025 at 10:16

Jul 21

Jul 21

Double-Checking Correct Channel Number for Streamflow Calibration

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

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Double-Checking Correct Channel Number for Streamflow Calibration

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

Jul 21

Liliana Bettolo, Grace3

Jul 16

Re: Calibrating Parameter Sets

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

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Re: Calibrating Parameter Sets

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

Jul 16

Jul 10

Calibrating Nutrients

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

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Calibrating Nutrients

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

Jul 10

Isaac Kraenbring, … Liliana Bettolo3

Jul 10

Units for Nutrient Observation Files

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

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Units for Nutrient Observation Files

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

Jul 10

Jul 7

Question About Sobol Sensitivity Outputs in SWAT+ Toolbox

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

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Question About Sobol Sensitivity Outputs in SWAT+ Toolbox

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

Jul 7

Eskinder Zinabu Belachew

Jul 5

Errors in export parameters

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

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Errors in export parameters

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

Jul 5

Jul 1

LSU ID and SWAT+Toolbox multi-site calibration

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

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LSU ID and SWAT+Toolbox multi-site calibration

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

Jul 1

Jun 26

Clarification on River TN Variable and Units in SWAT+ Toolbox v3.0.9

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

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Clarification on River TN Variable and Units in SWAT+ Toolbox v3.0.9

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

Jun 26

Saba Shaghaghi, Liliana Bettolo2

Jun 26

Multi-Site Calibration Issue

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

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Multi-Site Calibration Issue

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

Jun 26

Jun 23

What does the multi-site calibration button do in automatic calibration?

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

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What does the multi-site calibration button do in automatic calibration?

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

Jun 23

Jun 23

SWAT+Toolbox calibration

Hello, please help me with parameter calibration in the SWAT+ Toolbox. I would like to ask about an

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SWAT+Toolbox calibration

Hello, please help me with parameter calibration in the SWAT+ Toolbox. I would like to ask about an

Jun 23

Jun 23

SWAT + Toolboc calibration

Hello, please help me with parameter calibration in the SWAT+ Toolbox. I would like to ask about an

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SWAT + Toolboc calibration

Hello, please help me with parameter calibration in the SWAT+ Toolbox. I would like to ask about an

Jun 23

Liliana Bettolo, Nadya Salma Azzahra2

Jun 19

SWAT+ Toolbox Calibration Support - Next Steps

Hi Liliana, I came across your post from January in the user group about struggling to get an NSE

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SWAT+ Toolbox Calibration Support - Next Steps

Hi Liliana, I came across your post from January in the user group about struggling to get an NSE

Jun 19

Nadya Salma Azzahra

Jun 19

Questions regarding calibration workflow and sensitivity analysis in SWAT+ (Discharge Data)

Currently, I am working on a watershed modeling project using SWAT+, and the only observation data I

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Questions regarding calibration workflow and sensitivity analysis in SWAT+ (Discharge Data)

Currently, I am working on a watershed modeling project using SWAT+, and the only observation data I

Jun 19

Jun 19

forecast uncertainty of 95% (95ppu)

Hello everyone, How is uncertainty calculated in the toolbox? What is the forecast uncertainty of 95%

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forecast uncertainty of 95% (95ppu)

Hello everyone, How is uncertainty calculated in the toolbox? What is the forecast uncertainty of 95%

Jun 19

Jun 19

Initial NSE Values after first iteration of calibration

Dear All, I'm working on calibration of a watershed using both streamflow and evapotranspiration

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Initial NSE Values after first iteration of calibration

Dear All, I'm working on calibration of a watershed using both streamflow and evapotranspiration

Jun 19

Keith Kagiri, Liliana Bettolo2

Jun 19

How can I verify that a pesticide application was actually executed?

Hi Keith - Based on what you described, it doesn't sound like your management operations were

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How can I verify that a pesticide application was actually executed?

Hi Keith - Based on what you described, it doesn't sound like your management operations were

Jun 19

Santiago Monerris, Francine Viana3

Jun 16

p-factor and r-factor

No, I'm searching this parametres El lunes, 15 de junio de 2026 a las 9:26:11 UTC-3, Francine

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p-factor and r-factor

No, I'm searching this parametres El lunes, 15 de junio de 2026 a las 9:26:11 UTC-3, Francine

Jun 16

Jun 15

Pesticide Application

Hello All, I am doing a pesticide study and I have created a pesticide appliaction operation in the

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Pesticide Application

Hello All, I am doing a pesticide study and I have created a pesticide appliaction operation in the

Jun 15

Jun 8

Missing gis.data folder

When I create a new folder in SWAT+ Toolbox, I get an error when trying to show the map (TxtInOut

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Missing gis.data folder

When I create a new folder in SWAT+ Toolbox, I get an error when trying to show the map (TxtInOut

Jun 8

May 29

SWAT+ Toolbox sensitivity analysis returns NaN while model and auto-calibration run successfully

Hello SWAT+ Toolbox family I am having an issue with the SWAT+ Toolbox sensitivity analysis and would

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SWAT+ Toolbox sensitivity analysis returns NaN while model and auto-calibration run successfully

Hello SWAT+ Toolbox family I am having an issue with the SWAT+ Toolbox sensitivity analysis and would

May 29

tanvir ahmed, … Awel Seid4

Apr 30

need support for sensitivity analysis

Hi. You may have to change the Sensitivity Objective Function from MARE to any other like NSE or KGE.

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need support for sensitivity analysis

Hi. You may have to change the Sensitivity Objective Function from MARE to any other like NSE or KGE.

Apr 30

朱翔宇（路以鲲）, … Awel Seid3

Apr 30

Request for SWAT+ & SWAT Parameter Cross-reference Table or Description Documentation

Hi. You can find them inside cal_parms.cal file of your TxtInOut folder. On Wednesday, April 8, 2026

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Request for SWAT+ & SWAT Parameter Cross-reference Table or Description Documentation

Hi. You can find them inside cal_parms.cal file of your TxtInOut folder. On Wednesday, April 8, 2026

Apr 30

Inggrid Surya Pratiwi, Awel Seid2

Apr 30

I have a problem when running sensitivity analysis in SWAT+ Toolbox.

Hi. You may have to check if any of your parameter values are outside the allowed ranges. On Tuesday,

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I have a problem when running sensitivity analysis in SWAT+ Toolbox.

Hi. You may have to check if any of your parameter values are outside the allowed ranges. On Tuesday,

Apr 30

Khyber, Muhammad Nawaz2

Apr 28

SWAT+ Toolbox Calibration: Persistent Peak Overestimation and NSE Stagnation

I am also getting an overestimation in the simulated flow due to my rainfall data, which is not

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SWAT+ Toolbox Calibration: Persistent Peak Overestimation and NSE Stagnation

I am also getting an overestimation in the simulated flow due to my rainfall data, which is not

Apr 28

Apr 19

Calibration with ET data

Heloo everybody, I'm trying to input the ET data for calibration, but it's not working. Was

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Calibration with ET data

Heloo everybody, I'm trying to input the ET data for calibration, but it's not working. Was

Apr 19

Apr 2

SWAT+Toolbox source code for version 3.2.0

Hello -- Is the SWAT+Toolbox source code available for version 3.2.0? I see a very old version out on

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SWAT+Toolbox source code for version 3.2.0

Hello -- Is the SWAT+Toolbox source code available for version 3.2.0? I see a very old version out on

Apr 2

Apr 1

Issue Opening Simulated Model in Toolbox (Version V3.2.0)

Dear Sir, After completing the simulation of my model, I am unable to open it in the Toolbox. It is

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Issue Opening Simulated Model in Toolbox (Version V3.2.0)

Dear Sir, After completing the simulation of my model, I am unable to open it in the Toolbox. It is

Apr 1

KLH, Maarten J. Waterloo3

Mar 31

Is my observation file bad?

On Sunday, March 29, 2026 at 2:11:01 AM UTC-5 Maarten J. Waterloo wrote: Hi, could you please share

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Is my observation file bad?

On Sunday, March 29, 2026 at 2:11:01 AM UTC-5 Maarten J. Waterloo wrote: Hi, could you please share

Mar 31

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