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EPIC / APEX Modeling Forum

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Welcome to the EPIC / APEX Modeling Question and Discussion forum! We welcome users of all levels and invite you to ask any questions you might have about our modeling programs.

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Modeling Team, Texas A&M AgriLife Research at Blackland (Temple, TX)

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Luca Doro, Jaehak2

4/6/23

Help us help you (while learning)

I can't agree more. Excellent point. On Monday, March 27, 2023 at 4:24:34 AM UTC-5 lucad...@tamu.

unread,locked,

Help us help you (while learning)

I can't agree more. Excellent point. On Monday, March 27, 2023 at 4:24:34 AM UTC-5 lucad...@tamu.

4/6/23

2/6/15

*FORUM RULES - READ BEFORE YOU POST*

Welcome to the EPIC / APEX Modeling Question and Discussion Forum! This forum was created to

unread,locked,

*FORUM RULES - READ BEFORE YOU POST*

Welcome to the EPIC / APEX Modeling Question and Discussion Forum! This forum was created to

2/6/15

Maya Struzak, Mahesh Maskey2

9:50 PM

Daily weather ignored?

Dear Maya, After revisiting the file structure, I discovered that my *.DLY lines were not in the

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Daily weather ignored?

Dear Maya, After revisiting the file structure, I discovered that my *.DLY lines were not in the

9:50 PM

May 30

APEXv1501 Water Balance Error - SSF Module Issue

Hello, I'm experiencing a consistent 5.4% water balance closure error that's unresponsive to

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APEXv1501 Water Balance Error - SSF Module Issue

Hello, I'm experiencing a consistent 5.4% water balance closure error that's unresponsive to

May 30

May 16

Water balance and subarea connections

Hi, I am using APEX v.1501 and APEXEditor to make a model of the water quality of a catchment, with

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Water balance and subarea connections

Hi, I am using APEX v.1501 and APEXEditor to make a model of the water quality of a catchment, with

May 16

Rene Francis Simbi Mvuyekure

May 13

Soil Organic Carbon (SOC)

Hi all, I am currently conducting an APEX model SOC calibration for different sub-basins in a

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Soil Organic Carbon (SOC)

Hi all, I am currently conducting an APEX model SOC calibration for different sub-basins in a

May 13

Maya Struzak, Luca Doro4

May 9

APEX1501 water balance estimation

Maya, SWST should be available in the daily subarea output file (SAD) after adding variable ID number

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APEX1501 water balance estimation

Maya, SWST should be available in the daily subarea output file (SAD) after adding variable ID number

May 9

8064...@qq.com, Jaehak2

May 2

Request to verify the BD parameter unit in the soil file

You misunderstood the SWAT manual. Mg/m3 is megagram per cubic meter, or ton per cubic meter, the

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Request to verify the BD parameter unit in the soil file

You misunderstood the SWAT manual. Mg/m3 is megagram per cubic meter, or ton per cubic meter, the

May 2

Apr 11

File to convert Arc APex Project to QApex (runConvertFromArc.bat)

Hi, I am looking for a copy of the runConvertFromArc.bat file which is used to convert ArcApex

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File to convert Arc APex Project to QApex (runConvertFromArc.bat)

Hi, I am looking for a copy of the runConvertFromArc.bat file which is used to convert ArcApex

Apr 11

Jindřich Zelinka, Luca Doro2

Apr 2

Dear Zelinka, I don't know the magnitude of the runoff simulated by APEX in your simulation, but

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Dear Zelinka, I don't know the magnitude of the runoff simulated by APEX in your simulation, but

Apr 2

Arjun Thapa, Luca Doro2

Mar 28

Cover crop simulation

Dear Arjun, I am wondering if the absence of impact of the cover crop is because the winter wheat is

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Cover crop simulation

Dear Arjun, I am wondering if the absence of impact of the cover crop is because the winter wheat is

Mar 28

JH A, Luca Doro2

Mar 28

How can use ArcAPEX on ArcGIS Pro?

Unfortunately, ArcAPEX is not compatible with AcrGIS Pro. Maybe Dor Jaehak Jeong at Texas A&M

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How can use ArcAPEX on ArcGIS Pro?

Unfortunately, ArcAPEX is not compatible with AcrGIS Pro. Maybe Dor Jaehak Jeong at Texas A&M

Mar 28

Janani Kandasamy, Luca Doro2

Mar 28

Simulated Soil Water content Issue in EPIC v.1102

Dear Jenani, First of all, I would check if the precipitation input data is used correctly by the

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Simulated Soil Water content Issue in EPIC v.1102

Dear Jenani, First of all, I would check if the precipitation input data is used correctly by the

Mar 28

Maya Struzak, … Mahesh Maskey3

Feb 12

Input file automation

Hi Maya, I have developed some Python modules for calibrating the APEXgraze model.. This module also

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Input file automation

Hi Maya, I have developed some Python modules for calibrating the APEXgraze model.. This module also

Feb 12

Anh Nguyen, Jaehak2

Feb 12

APEX CUTE error

Make sure you set the apex-cute project folder correctly. It seems that the cute program did not find

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APEX CUTE error

Make sure you set the apex-cute project folder correctly. It seems that the cute program did not find

Feb 12

Maya Struzak, Jaehak2

Feb 12

HLY and DLY weather file interactions

APEX offers subdaily simulation for only rainfall-runoff-streamflow processes. An hly file provides

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HLY and DLY weather file interactions

APEX offers subdaily simulation for only rainfall-runoff-streamflow processes. An hly file provides

Feb 12

Maya Struzak, Jaehak2

Feb 12

APEX1501 hourly weather outputs

Enable the EHY output to print subdaily results. On Tuesday, January 14, 2025 at 12:52:07 PM UTC-6

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APEX1501 hourly weather outputs

Enable the EHY output to print subdaily results. On Tuesday, January 14, 2025 at 12:52:07 PM UTC-6

Feb 12

Lars Carter, Jaehak3

Feb 12

APEX-CUTE7.10 Error

I mean, you email me (jeo...@tamu.edu) a link to your project folder in a zip file. On Wednesday,

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APEX-CUTE7.10 Error

I mean, you email me (jeo...@tamu.edu) a link to your project folder in a zip file. On Wednesday,

Feb 12

8064...@qq.com, … Jaehak3

Feb 12

APEX CUTE 7.10 error

Check if you named your observation data file correctly according to the naming convention required

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APEX CUTE 7.10 error

Check if you named your observation data file correctly according to the naming convention required

Feb 12

Jindřich Zelinka, Luca Doro15

Feb 4

Thank you for letting us know. Best, Luca Il giorno lunedì 3 febbraio 2025 alle 13:40:31 UTC+1

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Thank you for letting us know. Best, Luca Il giorno lunedì 3 febbraio 2025 alle 13:40:31 UTC+1

Feb 4

We learn We Grow

Jan 28

Anyone have idea how to simulate the daycent?

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Anyone have idea how to simulate the daycent?

Jan 28

Daniel Perkins, Luca Doro14

Jan 27

No NO3 in soil during beans years...??

Apologies, here it is! Dan On Monday, January 27, 2025 at 4:07:05 AM UTC-6 lucad...@gmail.com wrote:

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No NO3 in soil during beans years...??

Apologies, here it is! Dan On Monday, January 27, 2025 at 4:07:05 AM UTC-6 lucad...@gmail.com wrote:

Jan 27

AbdulAziz Bishaw, Luca Doro2

Jan 9

ArcAPEX flood routing

For future reference, I am pasting here what Dr. Jaehak Jeong suggests for subdaily flood routing

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ArcAPEX flood routing

For future reference, I am pasting here what Dr. Jaehak Jeong suggests for subdaily flood routing

Jan 9

Maya Struzak, Luca Doro4

12/17/24

APEX v1501 Debugging

Thank you for letting us know. I am glad you solved the problem. Best, Luca Il giorno lunedì 16

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APEX v1501 Debugging

Thank you for letting us know. I am glad you solved the problem. Best, Luca Il giorno lunedì 16

12/17/24

Jindřich Zelinka, Luca Doro6

12/10/24

Here is the link to the Blackland Research Center webpage dedicated to the APEX model. You will find

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Here is the link to the Blackland Research Center webpage dedicated to the APEX model. You will find

12/10/24

AbdulAziz Bishaw, Luca Doro2

11/17/24

ArcAPEX Simulation

Dear Aziz, This kind of errors are always difficult to debug because the error message the interface

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ArcAPEX Simulation

Dear Aziz, This kind of errors are always difficult to debug because the error message the interface

11/17/24

Floyid Nicolas, Luca Doro3

11/4/24

APEX point source simulation

Floyid, I know that have been in contact with members of the Blackland Research Center and you solved

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APEX point source simulation

Floyid, I know that have been in contact with members of the Blackland Research Center and you solved

11/4/24

Lars Carter, Luca Doro4

10/29/24

Inquiry Regarding Sub-Area Settings in APEX Model

I would say that there is not a minimum value for the HLU. Are there any specific values that concern

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Inquiry Regarding Sub-Area Settings in APEX Model

I would say that there is not a minimum value for the HLU. Are there any specific values that concern

10/29/24

Maya Struzak, Luca Doro5

10/29/24

NOAA weather data import

I'm running APEX1501. I was originally under the impression that I needed to use WeatherImport to

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NOAA weather data import

I'm running APEX1501. I was originally under the impression that I needed to use WeatherImport to

10/29/24

Luca Doro, Anh Nguyen4

10/28/24

Re: SW - RZSW output from .SAD

Luca, Besides the first 20 days of the sensor's installation, APEX simulates the soil water trend

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Re: SW - RZSW output from .SAD

Luca, Besides the first 20 days of the sensor's installation, APEX simulates the soil water trend

10/28/24

10/24/24

Point Source Partition Between Runoff and Groundwater Flow

Hi everyone, I have a watershed that has external groundwater input. I'm using a point source

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Point Source Partition Between Runoff and Groundwater Flow

Hi everyone, I have a watershed that has external groundwater input. I'm using a point source

10/24/24

Anh Nguyen, … Luca Doro8

10/24/24

precipitation -rainfall

" I'm fairly new to APEX, but am using observed rainfall data in my simulations. Is NGNO =1

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precipitation -rainfall

" I'm fairly new to APEX, but am using observed rainfall data in my simulations. Is NGNO =1

10/24/24

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