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HP1 (HYDRUS-1D - PHREEQC)

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A reaction related to water content

Last post by diederik « Mon Mar 31, 2025 7:57 am
Replies: 1
by xiesijin » Mon Mar 31, 2025 7:24 am

1 Replies

236 Views

Last post by diederik
Mon Mar 31, 2025 7:57 am
Cannot run Mayer (2015) HP1 benchmarks with available versions

Last post by moia « Tue Dec 10, 2024 8:53 am
Replies: 4
by sigda » Fri Jun 28, 2024 6:09 pm

4 Replies

18208 Views

Last post by moia
Tue Dec 10, 2024 8:53 am
HP1 SEASONCHAIN

Last post by diederik « Thu Aug 29, 2024 6:26 am
Replies: 6
by witwoj » Thu Aug 01, 2024 3:40 pm

6 Replies

13588 Views

Last post by diederik
Thu Aug 29, 2024 6:26 am
Modelling nitrification following urea application

Last post by Jirka « Fri Dec 22, 2023 1:05 am
Replies: 1
by phillipsi2 » Thu Dec 21, 2023 3:50 am

1 Replies

23684 Views

Last post by Jirka
Fri Dec 22, 2023 1:05 am
P sorption in HP1

Last post by phillipsi2 « Mon Nov 27, 2023 9:23 pm

by phillipsi2 » Mon Nov 27, 2023 9:23 pm

0 Replies

75487 Views

Last post by phillipsi2
Mon Nov 27, 2023 9:23 pm
simulation of pesticide volatilization

Last post by ncruud « Tue Sep 19, 2023 3:15 pm

by ncruud » Tue Sep 19, 2023 3:15 pm

0 Replies

77957 Views

Last post by ncruud
Tue Sep 19, 2023 3:15 pm
nonequilibrium transport model in rate module

Last post by Bowen Luo « Thu Jul 06, 2023 2:06 pm

by Bowen Luo » Thu Jul 06, 2023 2:06 pm

0 Replies

80012 Views

Last post by Bowen Luo
Thu Jul 06, 2023 2:06 pm
The question about how to use nonequilibrium transport model (two-site model) in HP1

Last post by Jirka « Fri Apr 28, 2023 12:53 pm
Replies: 1
by Bowen Luo » Fri Apr 28, 2023 6:54 am

1 Replies

26337 Views

Last post by Jirka
Fri Apr 28, 2023 12:53 pm
Help needed: Error opening database file while running Hp1 model externally.

Last post by Marlon Mederos « Tue Apr 04, 2023 12:34 pm
Replies: 2
by Marlon Mederos » Tue Apr 04, 2023 10:03 am

2 Replies

28175 Views

Last post by Marlon Mederos
Tue Apr 04, 2023 12:34 pm
Reactions occur during drainage stage only (gas phase)

Last post by diederik « Mon Feb 27, 2023 1:23 pm
Replies: 3
by tuviat » Sun Feb 26, 2023 3:54 pm

3 Replies

30926 Views

Last post by diederik
Mon Feb 27, 2023 1:23 pm
Inconsistency between ts_pH and Variable Boundary Conditions

Last post by Marlon Mederos « Tue Feb 07, 2023 12:08 pm
Replies: 2
by Marlon Mederos » Thu Jan 26, 2023 9:00 am

2 Replies

28314 Views

Last post by Marlon Mederos
Tue Feb 07, 2023 12:08 pm
PHREEQC Output

Last post by jkgeiger « Mon Jan 16, 2023 5:36 pm
Replies: 2
by jkgeiger » Thu Dec 15, 2022 3:29 pm

2 Replies

28483 Views

Last post by jkgeiger
Mon Jan 16, 2023 5:36 pm
Water flow and solute transport

Last post by Jirka « Mon Oct 03, 2022 4:43 pm
Replies: 1
by MYZKsant » Mon Oct 03, 2022 11:37 am

1 Replies

26349 Views

Last post by Jirka
Mon Oct 03, 2022 4:43 pm
How to add nickel (Ni) to the HP1 database?

Last post by Marlon Mederos « Thu Sep 29, 2022 6:34 am
Replies: 2
by Marlon Mederos » Wed Sep 28, 2022 11:31 am

2 Replies

28484 Views

Last post by Marlon Mederos
Thu Sep 29, 2022 6:34 am
Soil chemical reaction at negative temperature

Last post by kaero85 « Mon May 09, 2022 10:28 am
Replies: 3
by wuhanuniversity0416 » Fri Jan 07, 2022 1:53 pm

3 Replies

31840 Views

Last post by kaero85
Mon May 09, 2022 10:28 am
Solute output files

Last post by hpsalo « Thu Jan 20, 2022 3:02 pm

by hpsalo » Thu Jan 20, 2022 3:02 pm

0 Replies

81889 Views

Last post by hpsalo
Thu Jan 20, 2022 3:02 pm
Oxygen transport with HP1

Last post by tuviat « Thu Aug 12, 2021 2:41 pm

by tuviat » Thu Aug 12, 2021 2:41 pm

0 Replies

82926 Views

Last post by tuviat
Thu Aug 12, 2021 2:41 pm
Calling species concentrations for kinetic rates

Last post by diederik « Wed Mar 31, 2021 7:39 pm
Replies: 1
by nmurphy » Wed Mar 31, 2021 6:41 pm

1 Replies

29265 Views

Last post by diederik
Wed Mar 31, 2021 7:39 pm
Cation bridging

Last post by Jirka « Fri Mar 05, 2021 5:14 pm
Replies: 1
by Dan Zhou » Fri Mar 05, 2021 8:18 am

1 Replies

28628 Views

Last post by Jirka
Fri Mar 05, 2021 5:14 pm
gaseous by-product

Last post by diederik « Wed Mar 03, 2021 12:03 pm
Replies: 1
by Mitra » Wed Mar 03, 2021 9:58 am

1 Replies

28742 Views

Last post by diederik
Wed Mar 03, 2021 12:03 pm
profile pressure head HP1

Last post by MYZKsant « Fri Feb 05, 2021 8:36 am

by MYZKsant » Fri Feb 05, 2021 8:36 am

0 Replies

84640 Views

Last post by MYZKsant
Fri Feb 05, 2021 8:36 am
Species not transported

Last post by diederik « Tue Nov 24, 2020 4:24 pm
Replies: 1
by Dani » Tue Nov 24, 2020 4:18 pm

1 Replies

29461 Views

Last post by diederik
Tue Nov 24, 2020 4:24 pm
_Raw phreeqc format

Last post by Dani « Tue Sep 22, 2020 1:47 pm

by Dani » Tue Sep 22, 2020 1:47 pm

0 Replies

88061 Views

Last post by Dani
Tue Sep 22, 2020 1:47 pm
What is unit of bulk density?

Last post by diederik « Wed Aug 19, 2020 5:10 pm
Replies: 1
by SCHan » Sun Aug 09, 2020 7:59 pm

1 Replies

29556 Views

Last post by diederik
Wed Aug 19, 2020 5:10 pm
High CncBalR due to low water flux.

Last post by SCHan « Wed Aug 12, 2020 5:16 pm
Replies: 2
by SCHan » Wed Aug 12, 2020 4:13 pm

2 Replies

30284 Views

Last post by SCHan
Wed Aug 12, 2020 5:16 pm
What the negative concentration warning implies?

Last post by SCHan « Sun Aug 09, 2020 6:42 pm
Replies: 2
by SCHan » Sat Aug 08, 2020 12:36 am

2 Replies

31592 Views

Last post by SCHan
Sun Aug 09, 2020 6:42 pm
HP1 Kinetic mineral dissolution and transport

Last post by diederik « Sat Aug 01, 2020 6:55 am
Replies: 5
by mpwickham » Wed Dec 26, 2012 4:27 pm

5 Replies

47414 Views

Last post by diederik
Sat Aug 01, 2020 6:55 am
[HP2] How to implement the feedback from PHREEQC to HP2 GUI?

Last post by SCHan « Wed Jul 15, 2020 7:19 am
Replies: 2
by SCHan » Tue Jul 14, 2020 6:48 pm

2 Replies

32677 Views

Last post by SCHan
Wed Jul 15, 2020 7:19 am
Unstable Model

Last post by swhitman « Wed Jul 08, 2020 4:56 pm
Replies: 6
by Max » Thu Aug 29, 2013 5:56 am

6 Replies

50528 Views

Last post by swhitman
Wed Jul 08, 2020 4:56 pm
Mass balance issue with 'surface layer' boundary

Last post by SiyanW « Wed Jul 01, 2020 4:09 am
Replies: 4
by SiyanW » Tue Jun 30, 2020 10:27 pm

4 Replies

34528 Views

Last post by SiyanW
Wed Jul 01, 2020 4:09 am
Horizontal flow in Hydrus 1D

Last post by Jirka « Wed Jun 17, 2020 2:28 pm
Replies: 1
by lotbaert » Wed Jun 17, 2020 2:08 pm

1 Replies

28149 Views

Last post by Jirka
Wed Jun 17, 2020 2:28 pm
HP1 with more than 20 solutes

Last post by swhitman « Thu Apr 30, 2020 6:23 pm
Replies: 4
by Dani » Mon Jan 13, 2020 1:20 pm

4 Replies

38677 Views

Last post by swhitman
Thu Apr 30, 2020 6:23 pm
how to setup correct ph for soultions

Last post by diederik « Tue Mar 17, 2020 5:32 am
Replies: 2
by CAss » Sun Mar 15, 2020 5:28 pm

2 Replies

33304 Views

Last post by diederik
Tue Mar 17, 2020 5:32 am
HP2 running so slow

Last post by ahmet19 « Sat Dec 07, 2019 8:15 pm
Replies: 6
by ahmet19 » Tue Dec 03, 2019 5:35 am

6 Replies

41884 Views

Last post by ahmet19
Sat Dec 07, 2019 8:15 pm
How should i enter our data in HP1

Last post by Jirka « Tue Nov 26, 2019 10:36 am
Replies: 3
by mahdiahmadi71 » Sat Nov 16, 2019 1:08 pm

3 Replies

38306 Views

Last post by Jirka
Tue Nov 26, 2019 10:36 am
HP1 pH differences from PHREEQC run

Last post by diederik « Mon Nov 04, 2019 7:13 am
Replies: 1
by ahmet19 » Sun Nov 03, 2019 7:58 pm

1 Replies

29513 Views

Last post by diederik
Mon Nov 04, 2019 7:13 am
Question on the necessety of HP1 for my project and on the download web adress

Last post by diederik « Sun Jun 02, 2019 7:15 pm
Replies: 1
by biblionaut » Sun Jun 02, 2019 9:03 am

1 Replies

30284 Views

Last post by diederik
Sun Jun 02, 2019 7:15 pm
Water balance with hydrated minerals

Last post by matthewsilver « Thu Jan 03, 2019 3:39 pm
Replies: 2
by matthewsilver » Mon Aug 13, 2018 4:14 pm

2 Replies

32571 Views

Last post by matthewsilver
Thu Jan 03, 2019 3:39 pm
HP1- Inverse modeling

Last post by Jirka « Thu Dec 20, 2018 9:00 pm
Replies: 9
by Jirka » Mon Jun 14, 2010 8:16 pm

9 Replies

75537 Views

Last post by Jirka
Thu Dec 20, 2018 9:00 pm
HP1 with gas diffusion

Last post by mmzam « Mon Jun 11, 2018 6:15 am
Replies: 3
by mmzam » Fri May 25, 2018 10:07 am

3 Replies

37480 Views

Last post by mmzam
Mon Jun 11, 2018 6:15 am
Basic statement for transpiration rate

Last post by diederik « Thu Mar 08, 2018 1:55 pm
Replies: 1
by aliko » Wed Mar 07, 2018 4:16 pm

1 Replies

30568 Views

Last post by diederik
Thu Mar 08, 2018 1:55 pm
Solute Time Variable Boundary Condition

Last post by diederik « Wed Jan 10, 2018 6:39 am
Replies: 1
by aliko » Wed Jan 03, 2018 9:28 am

1 Replies

30721 Views

Last post by diederik
Wed Jan 10, 2018 6:39 am
HP1 memory allocation

Last post by aamc « Mon Jun 12, 2017 2:27 pm

by aamc » Mon Jun 12, 2017 2:27 pm

0 Replies

45107 Views

Last post by aamc
Mon Jun 12, 2017 2:27 pm
Acid sulphate soils and HP1 model

Last post by nguyen quynh « Tue Mar 28, 2017 10:33 am

by nguyen quynh » Tue Mar 28, 2017 10:33 am

0 Replies

45747 Views

Last post by nguyen quynh
Tue Mar 28, 2017 10:33 am
As(3)&As(5) lacking in HP1

Last post by diederik « Wed Dec 28, 2016 7:02 am
Replies: 2
by xiaoziyi » Wed Dec 28, 2016 3:16 am

2 Replies

34110 Views

Last post by diederik
Wed Dec 28, 2016 7:02 am
Welcome

Last post by ANTONIO « Wed Aug 03, 2016 8:00 pm
Replies: 1
by Jirka » Thu Mar 09, 2006 6:23 pm

1 Replies

43506 Views

Last post by ANTONIO
Wed Aug 03, 2016 8:00 pm
Compatibility limits with HYDRUS with HP1

Last post by sathya « Mon May 23, 2016 7:21 am
Replies: 7
by mpwickham » Thu Dec 06, 2012 2:43 pm

7 Replies

59606 Views

Last post by sathya
Mon May 23, 2016 7:21 am
Maximum number of components

Last post by diederik « Thu Apr 28, 2016 3:01 am
Replies: 1
by mpwickham » Thu Apr 28, 2016 12:44 am

1 Replies

32120 Views

Last post by diederik
Thu Apr 28, 2016 3:01 am
Hydrus 1D or HP1

Last post by ioannis « Fri Mar 11, 2016 1:05 pm
Replies: 2
by ioannis » Fri Feb 19, 2016 2:53 pm

2 Replies

34972 Views

Last post by ioannis
Fri Mar 11, 2016 1:05 pm
Time unit difference between HP1 and RATE expressions

Last post by diederik « Tue Feb 16, 2016 7:01 am
Replies: 3
by mpwickham » Mon Feb 15, 2016 1:16 am

3 Replies

48387 Views

Last post by diederik
Tue Feb 16, 2016 7:01 am

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