Hydrus 1D (old free version)

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Simulations with shallow water table

Last post by Moe « Fri May 23, 2025 11:04 pm
Replies: 2
by Moe » Fri May 23, 2025 12:29 am

2 Replies

3190 Views

Last post by Moe
Fri May 23, 2025 11:04 pm
Inverse Modeling for Water Flow and Solute Transport – Calibration Issue

Last post by Jirka « Sat May 10, 2025 9:54 pm
Replies: 1
by Rabeb Dridi » Tue May 06, 2025 9:32 am

1 Replies

1342 Views

Last post by Jirka
Sat May 10, 2025 9:54 pm
Question

Last post by Jirka « Wed May 07, 2025 1:49 am
Replies: 1
by Rabeb Dridi » Tue May 06, 2025 6:30 pm

1 Replies

1303 Views

Last post by Jirka
Wed May 07, 2025 1:49 am
Inverse Solution

Last post by Jirka « Wed May 07, 2025 1:49 am
Replies: 1
by Rabeb Dridi » Tue May 06, 2025 6:44 pm

1 Replies

1191 Views

Last post by Jirka
Wed May 07, 2025 1:49 am
Organic layer and Inverse model R square

Last post by Jirka « Sun May 04, 2025 3:35 am
Replies: 1
by Gafree » Sat May 03, 2025 8:07 pm

1 Replies

1200 Views

Last post by Jirka
Sun May 04, 2025 3:35 am
Convergence problems for values of n greater than 2.5

Last post by renaudj « Sun Apr 27, 2025 8:51 pm
Replies: 2
by renaudj » Sat Apr 26, 2025 2:17 am

2 Replies

1573 Views

Last post by renaudj
Sun Apr 27, 2025 8:51 pm
Hydrus 1D simulation of different bulk densities

Last post by Jirka « Thu Apr 24, 2025 3:30 pm
Replies: 1
by aamaguestt » Thu Apr 24, 2025 2:37 pm

1 Replies

1341 Views

Last post by Jirka
Thu Apr 24, 2025 3:30 pm
Inverse Moddeling for a silvopasture system

Last post by Gafree « Thu Mar 13, 2025 2:58 pm
Replies: 2
by Gafree » Wed Mar 12, 2025 3:00 pm

2 Replies

10206 Views

Last post by Gafree
Thu Mar 13, 2025 2:58 pm
Model non-convergence problem

Last post by Weikanon « Tue Mar 11, 2025 12:27 am

by Weikanon » Tue Mar 11, 2025 12:27 am

0 Replies

2786 Views

Last post by Weikanon
Tue Mar 11, 2025 12:27 am
Simulations under ponded conditions

Last post by Moe « Thu Feb 27, 2025 9:43 pm
Replies: 2
by Moe » Wed Feb 26, 2025 11:31 pm

2 Replies

3431 Views

Last post by Moe
Thu Feb 27, 2025 9:43 pm
No consistency in concatenated multiple simulations

Last post by marciano « Wed Feb 19, 2025 10:19 am
Replies: 2
by marciano » Wed Oct 09, 2024 9:51 pm

2 Replies

3635 Views

Last post by marciano
Wed Feb 19, 2025 10:19 am
cRoot values appears to be zero while cTop and cBot are non-zero

Last post by Asha Nambiar « Wed Feb 05, 2025 1:26 pm
Replies: 1
by Asha Nambiar » Thu Jan 30, 2025 11:29 am

1 Replies

2107 Views

Last post by Asha Nambiar
Wed Feb 05, 2025 1:26 pm
Stop Logic of Triggered Irrigation Function?

Last post by Huayang Miao « Wed Jan 22, 2025 2:38 am
Replies: 2
by Huayang Miao » Tue Jan 21, 2025 7:23 am

2 Replies

2533 Views

Last post by Huayang Miao
Wed Jan 22, 2025 2:38 am
Hourly data

Last post by Jirka « Thu Jan 16, 2025 7:49 pm
Replies: 1
by amanda.pena » Thu Jan 16, 2025 3:09 pm

1 Replies

2095 Views

Last post by Jirka
Thu Jan 16, 2025 7:49 pm
Editing ATMOSH.IN file for 30 years simulation

Last post by Jude « Tue Nov 26, 2024 9:30 pm
Replies: 2
by Jude » Tue Nov 26, 2024 4:05 pm

2 Replies

2886 Views

Last post by Jude
Tue Nov 26, 2024 9:30 pm
htab

Last post by Mrinella « Wed Nov 20, 2024 10:54 pm
Replies: 2
by Mrinella » Wed Nov 20, 2024 10:10 pm

2 Replies

2783 Views

Last post by Mrinella
Wed Nov 20, 2024 10:54 pm
Regarding Solute Mass Calculation in Dual-Permeability Model

Last post by Jirka « Sat Nov 09, 2024 6:39 pm
Replies: 3
by YOON » Thu Nov 07, 2024 5:53 pm

3 Replies

3177 Views

Last post by Jirka
Sat Nov 09, 2024 6:39 pm
Help with simulating multi-year root water uptake

Last post by Jude « Wed Oct 23, 2024 4:50 am
Replies: 7
by Jude » Tue Oct 22, 2024 5:06 pm

7 Replies

9488 Views

Last post by Jude
Wed Oct 23, 2024 4:50 am
Multiyear water dynamic simulation

Last post by Jirka « Tue Oct 01, 2024 6:55 pm
Replies: 3
by rafaelvillarreal » Mon Sep 30, 2024 11:31 pm

3 Replies

4050 Views

Last post by Jirka
Tue Oct 01, 2024 6:55 pm
Addressing Numerical Instabilities in ConcFlB Outflow Concentrations

Last post by Jirka « Tue Oct 01, 2024 4:12 pm
Replies: 3
by YOON » Sun Sep 29, 2024 5:09 pm

3 Replies

3848 Views

Last post by Jirka
Tue Oct 01, 2024 4:12 pm
P transport in paddy field from organic fertilizer

Last post by liang « Wed Sep 04, 2024 2:21 pm
Replies: 2
by liang » Tue Sep 03, 2024 2:05 pm

2 Replies

5369 Views

Last post by liang
Wed Sep 04, 2024 2:21 pm
All time step outputs.

Last post by Jirka « Mon Aug 26, 2024 10:23 pm
Replies: 3
by _bikash » Thu Aug 22, 2024 10:38 am

3 Replies

6409 Views

Last post by Jirka
Mon Aug 26, 2024 10:23 pm
Help Needed with pHydrus and Root Growth Simulation

Last post by Huayang Miao « Thu Aug 22, 2024 3:48 am
Replies: 3
by Huayang Miao » Wed Aug 21, 2024 4:11 pm

3 Replies

5332 Views

Last post by Huayang Miao
Thu Aug 22, 2024 3:48 am
Runoff

Last post by Jirka « Fri Aug 16, 2024 5:22 pm
Replies: 1
by Maud » Fri Aug 16, 2024 3:18 pm

1 Replies

4302 Views

Last post by Jirka
Fri Aug 16, 2024 5:22 pm
P transport

Last post by liang « Mon Aug 12, 2024 11:14 am
Replies: 6
by liang » Fri Aug 09, 2024 8:46 am

6 Replies

9487 Views

Last post by liang
Mon Aug 12, 2024 11:14 am
Outflow concentration in dual-permeability model

Last post by Jirka « Sun Aug 04, 2024 3:43 pm
Replies: 1
by YOON » Sun Aug 04, 2024 2:02 pm

1 Replies

5505 Views

Last post by Jirka
Sun Aug 04, 2024 3:43 pm
How to know if irrigation is triggering

Last post by Huayang Miao « Sat Jul 27, 2024 4:12 am
Replies: 2
by Huayang Miao » Fri Jul 26, 2024 5:09 am

2 Replies

7372 Views

Last post by Huayang Miao
Sat Jul 27, 2024 4:12 am
Bottom flux

Last post by Jirka « Sat Jun 29, 2024 12:45 pm
Replies: 1
by SHYMA M » Sat Jun 29, 2024 7:37 am

1 Replies

5926 Views

Last post by Jirka
Sat Jun 29, 2024 12:45 pm
Flowrate

Last post by Jirka « Fri Jun 28, 2024 6:31 pm
Replies: 5
by Grant » Sun Jun 23, 2024 5:29 pm

5 Replies

7557 Views

Last post by Jirka
Fri Jun 28, 2024 6:31 pm
Solute concentration on day 1

Last post by Jirka « Fri Jun 28, 2024 6:30 pm
Replies: 6
by brittanydove23 » Fri Jun 21, 2024 12:39 pm

6 Replies

8887 Views

Last post by Jirka
Fri Jun 28, 2024 6:30 pm
Upward Flow

Last post by Jirka « Sun Jun 23, 2024 6:48 pm
Replies: 7
by Grant » Thu Mar 09, 2023 2:04 pm

7 Replies

14691 Views

Last post by Jirka
Sun Jun 23, 2024 6:48 pm
HYDRUS1D-MODFLOW

Last post by Jirka « Wed Jun 12, 2024 8:08 pm
Replies: 1
by mohammad » Wed Jun 12, 2024 5:35 pm

1 Replies

5383 Views

Last post by Jirka
Wed Jun 12, 2024 8:08 pm
SinkWater 0

Last post by Jirka « Sat Jun 08, 2024 4:48 pm
Replies: 1
by Grant » Sat Jun 08, 2024 2:59 pm

1 Replies

5338 Views

Last post by Jirka
Sat Jun 08, 2024 4:48 pm
No result after successful calculation

Last post by Grant « Sat Jun 08, 2024 3:00 pm
Replies: 13
by Sasan » Fri Sep 27, 2019 2:00 pm

13 Replies

29689 Views

Last post by Grant
Sat Jun 08, 2024 3:00 pm
Inquiry about how to optimize root water uptake parameters and transpiration simulation

Last post by Huayang Miao « Wed May 29, 2024 12:12 am
Replies: 2
by Huayang Miao » Tue May 28, 2024 10:49 am

2 Replies

6746 Views

Last post by Huayang Miao
Wed May 29, 2024 12:12 am
Inverse solution fitting to observations of more than two solutes

Last post by Jirka « Sat May 25, 2024 8:13 pm
Replies: 12
by mrudolph » Mon Aug 31, 2020 2:12 pm

12 Replies

18465 Views

Last post by Jirka
Sat May 25, 2024 8:13 pm
Soil water balance during ponding doesn't match with the calculated values.

Last post by SHYMA M « Sat May 25, 2024 7:00 am
Replies: 2
by SHYMA M » Fri May 24, 2024 10:16 am

2 Replies

6848 Views

Last post by SHYMA M
Sat May 25, 2024 7:00 am
Simulation of the Downward Trend of BTC Platform

Last post by Jirka « Mon May 20, 2024 4:11 am
Replies: 15
by 1626518895@qq.com » Fri May 17, 2024 8:27 am
1

2
15 Replies

7328331 Views

Last post by Jirka
Mon May 20, 2024 4:11 am
Evaporation in case of surface water layer

Last post by SHYMA M « Sat May 18, 2024 3:22 am
Replies: 4
by SHYMA M » Thu May 16, 2024 6:26 am

4 Replies

8180 Views

Last post by SHYMA M
Sat May 18, 2024 3:22 am
Inverse Error

Last post by Grant « Thu May 16, 2024 12:06 pm
Replies: 4
by Grant » Wed May 15, 2024 1:42 pm

4 Replies

8118 Views

Last post by Grant
Thu May 16, 2024 12:06 pm
Accessing meteorological data in 1D Hydrus tutorial manual example

Last post by janet « Thu May 09, 2024 7:45 am
Replies: 2
by janet » Tue May 07, 2024 11:50 am

2 Replies

6408 Views

Last post by janet
Thu May 09, 2024 7:45 am
Inquiry about Simulating Seasonal Irrigation and Water Movement in Plantation

Last post by Huayang Miao « Thu May 09, 2024 6:53 am
Replies: 4
by Huayang Miao » Wed May 08, 2024 3:49 pm

4 Replies

7409 Views

Last post by Huayang Miao
Thu May 09, 2024 6:53 am
hTop goes beyond max h specified at soil surface

Last post by SHYMA M « Wed May 08, 2024 5:12 pm
Replies: 2
by SHYMA M » Wed May 08, 2024 7:56 am

2 Replies

6072 Views

Last post by SHYMA M
Wed May 08, 2024 5:12 pm
Soil water content changes with depth and time under drip irrigation

Last post by brittanydove23 « Thu May 02, 2024 7:21 am
Replies: 4
by brittanydove23 » Mon Apr 29, 2024 1:43 pm

4 Replies

7984 Views

Last post by brittanydove23
Thu May 02, 2024 7:21 am
DATA FOR INVERSE SOLUTION - MAIN PROCESSES: WATER FLOW

Last post by renaudj « Sun Apr 28, 2024 9:40 pm
Replies: 2
by renaudj » Fri Apr 26, 2024 4:05 pm

2 Replies

6196 Views

Last post by renaudj
Sun Apr 28, 2024 9:40 pm
Inquiry Regarding Soil Moisture Transport Simulations

Last post by Jirka « Tue Apr 16, 2024 8:47 pm
Replies: 1
by Huayang Miao » Tue Apr 16, 2024 8:20 am

1 Replies

6289 Views

Last post by Jirka
Tue Apr 16, 2024 8:47 pm
Issues with Fitting in Two Kinetic Sites Inverse Modeling

Last post by chloe « Tue Apr 02, 2024 7:36 pm
Replies: 6
by chloe » Mon Apr 01, 2024 9:35 pm

6 Replies

9241 Views

Last post by chloe
Tue Apr 02, 2024 7:36 pm
Increasing and decreasing solute concentrations

Last post by Jirka « Sat Mar 30, 2024 9:00 pm
Replies: 3
by Grant » Fri Mar 29, 2024 3:41 pm

3 Replies

7079 Views

Last post by Jirka
Sat Mar 30, 2024 9:00 pm
soil parameters inversive solution

Last post by pavel « Tue Mar 26, 2024 4:39 pm
Replies: 4
by pavel » Wed Mar 13, 2024 4:04 pm

4 Replies

7543 Views

Last post by pavel
Tue Mar 26, 2024 4:39 pm
Movement of clay solution through soil column

Last post by Jirka « Thu Mar 21, 2024 5:19 pm
Replies: 1
by tallat.mehmood » Thu Mar 21, 2024 2:14 pm

1 Replies

5564 Views

Last post by Jirka
Thu Mar 21, 2024 5:19 pm

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