Results 51 to 60 of about 5,414 (196)

Design of open drains by solving Richards equation and artificial neural networks

Ain Shams Engineering Journal, 2023
The perfect design of open drains requires understanding the effect of the different design parameters on groundwater table. The paper objective is to perform sensitivity analysis to show the effect of the drainage flow rate, the distance between the bed
Ahmed M. Tawfik
doaj   +1 more source

Spatial and vertical variability of soil physico‐hydraulic properties and subsurface lithology in the Upper Indus Plain of Pakistan

Vadose Zone Journal, Volume 25, Issue 6, November/December 2026.
Abstract Accurate characterization of soil physico‐hydraulic properties is critical for irrigation and drainage design, solute transport, soil–water–plant, and rainfall–runoff relationships. However, spatially representative datasets for these properties remain limited for the Indus Basin of Pakistan, where hydrological studies often rely on ...
Manzoor Ahmad Malik, Muhammad Ashraf, Naveed Iqbal, Nazar Gul, Majid Taie Semiromi   +4 more
wiley   +1 more source

Quantifying Ion‐Specific Effects on the Size‐Exclusion Transport of Multi‐Sized Colloids in Porous Media Using a Novel Synthetic DNA Labeling Approach

Water Resources Research, Volume 62, Issue 11, November 2026.
Abstract Colloids strongly adsorb pollutants and promote their co‐transport in aquatic environments, posing substantial ecological contamination risks. However, quantifying the size exclusion effect (SEE), a critical mechanism that enhances colloid transport, remains challenging in multi‐sized colloid systems, owing to limited high‐resolution labeling ...
Changxi Wang, Renkuan Liao, Jirka Šimůnek, Dan Luo   +3 more
wiley   +1 more source

Modelling Hydrology of a Single Bioretention System with HYDRUS-1D

The Scientific World Journal, 2014
A study was carried out on the effectiveness of bioretention systems to abate stormwater using computer simulation. The hydrologic performance was simulated for two bioretention cells using HYDRUS-1D, and the simulation results were verified by field data of nearly four years. Using the validated model, the optimization of design parameters of rainfall
Yingying Meng, Huixiao Wang, Jiangang Chen, Shuhan Zhang   +3 more
openaire   +3 more sources

A Physically Based Storage‐Runoff Relationship for Steep Hillslopes and Its Application to Distributed Flood Modeling

Water Resources Research, Volume 62, Issue 11, November 2026.
Abstract Kinematic wave models are widely used to represent hillslope runoff in distributed hydrological models. However, their simplified descriptions often prevent the effective use of observed soil hydraulic parameters during calibration. To address this limitation, we derived a new analytical storage–runoff relationship that explicitly incorporates
Yoshito Sugawara, Takahiro Sayama
wiley   +1 more source

A pH‐Based Pedotransfer Function for Scaling Saturated Hydraulic Conductivity Reduction: Improved Estimation of Hydraulic Dynamics in HYDRUS [PDF]

, 2019
Hydraulic conductivity is a key soil property governing agricultural production and is thus an important parameter in hydrologic modeling. The pH scaling factor for saturated hydraulic conductivity (Ks) reduction in the HYDRUS model was reviewed and ...
John McL. Bennett, Aram Ali, Jirka Šimůnek, Simunek, Jirka, Biggs, Andrew J. W., Biggs, Andrew JW, Andrew J.W. Biggs, Bennett, John McL., Ali, Aram, Bennett, John McL   +9 more
core   +1 more source

From Soil Moisture Observations to Governing Flow Equations: What Data‐Driven Equation Discovery Reveals

Water Resources Research, Volume 62, Issue 11, November 2026.
Abstract Traditional derivations of soil moisture flow equations are based on conservation laws and physical principles, but the resulting equations still depend on how individual processes and constitutive relationships are represented. Data‐driven equation discovery offers a complementary way to identify governing terms from observations, yet ...
Wenxiang Song, Liangsheng Shi, Yujie Wang, Leilei He, Mehdi Rahmati, Harry Vereecken   +5 more
wiley   +1 more source

Modelling water and chemical transport in large undisturbed soil cores using HYDRUS-2D

, 2006
The ability of HYDRUS-2D (HYDRUS) to simulate water and chemical transport in large, undisturbed cores of a Vertosol and a Podosol soil was investigated.
Phillips, Ian
core   +1 more source

Assessing the hydraulic reduction performance of HYDRUS-1D for application of alkaline irrigation in variably-saturated soils: Validation of pH driven hydraulic reduction scaling factors

, 2021
Land application of alkaline irrigation water is an increasing practice in most agricultural lands around the world due to the shortage of freshwater resources.
Biggs, Andrew A. J., Marchuk, Alla, Ghahramani, Afshin, Ali, Aram, Bennett, John McL, Aram Ali, John McL Bennett, Andrew A.J. Biggs, Alla Marchuk, Afshin Ghahramani   +9 more
core   +1 more source

Modelling Variably Saturated Flow with HYDRUS-2D.

Vadose Zone Journal, 2004
D. RASSAM, J. SIMUNEK, and M.TH. VAN GENUCHTEN. ND Consult, Brisbane, Australia. 2003. Paperback plus CD-ROM. $80.00. ISBN 0-646-42309-6. The highly nonlinear character of flow through partially saturated porous media has created great obstacles to development of accurate and accessible ...
openaire   +1 more source