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Magnus Persson
Division of Water Resources Engineering, Department of Building and Environmental Technology, Lund University, Box 118, SE-221 00 Lund, Sweden

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Journal article
Published: 07 July 2021 in Sustainability
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Current sustainability assessment (SA) tools to help deal with contaminated groundwater sites are inherently subjective and hardly applied. One reason may be lack of proper tools for addressing contaminant spread which are basically objective. To fill this gap, there is a need for contaminant transport models that provide site managers with needed room for applying their judgments and considerations about the efficiency of each remediation method based on their experiences in similar cases. INSIDE-T uses trend analysis and inverse modeling to estimate transport parameters. It then simulates contaminant transport both with and without the inclusion of remedial actions in a transparent way. The sustainability of each remedy measure can then be quantified based on the underlying SA tool (INSIDE). INSIDE-T was applied to a site in south Sweden, contaminated with pentachlorophenol. Simulation scenarios were developed to enable comparison between various remediation strategies and combinations of these. The application indicated that natural attenuation was not a viable option within the timeframe of interest. Although pump-and-treat combined with a permeable reactive barrier was found to be just as effective as bioremediation after five years, it received a much lower sustainability score overall. INSIDE-T outcomes enable site managers to test and evaluate different scenarios, a necessity in participatory decision-making practices such as remediation projects.

ACS Style

Mehran Naseri-Rad; Ronny Berndtsson; Ursula McKnight; Magnus Persson; Kenneth Persson. INSIDE-T: A Groundwater Contamination Transport Model for Sustainability Assessment in Remediation Practice. Sustainability 2021, 13, 7596 .

AMA Style

Mehran Naseri-Rad, Ronny Berndtsson, Ursula McKnight, Magnus Persson, Kenneth Persson. INSIDE-T: A Groundwater Contamination Transport Model for Sustainability Assessment in Remediation Practice. Sustainability. 2021; 13 (14):7596.

Chicago/Turabian Style

Mehran Naseri-Rad; Ronny Berndtsson; Ursula McKnight; Magnus Persson; Kenneth Persson. 2021. "INSIDE-T: A Groundwater Contamination Transport Model for Sustainability Assessment in Remediation Practice." Sustainability 13, no. 14: 7596.

Journal article
Published: 29 November 2019 in Sensors
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Capacitance sensors are widely used in agriculture for irrigation and soil management purposes. However, their use under saline conditions is a major challenge, especially for sensors operating with low frequency. Their dielectric readings are often biased by high soil electrical conductivity. New calculation approaches for soil water content (θ) and pore water electrical conductivity (ECp), in which apparent soil electrical conductivity (ECa) is included, have been suggested in recent research. However, these methods have neither been tested with low-cost capacitance probes such as the 5TE (70 MHz, Decagon Devices, Pullman, WA, USA) nor for field conditions. Thus, it is important to determine the performance of these approaches and to test the application range using the 5TE sensor for irrigated soils. For this purpose, sandy soil was collected from the Jemna oasis in southern Tunisia and four 5TE sensors were installed in the field at four soil depths. Measurements of apparent dielectric permittivity (Ka), ECa, and soil temperature were taken under different electrical conductivity of soil moisture solutions. Results show that, under field conditions, 5TE accuracy for θ estimation increased when considering the ECa effect. Field calibrated models gave better θ estimation (root mean square error (RMSE) = 0.03 m3 m−3) as compared to laboratory experiments (RMSE = 0.06 m3 m−3). For ECp prediction, two corrections of the Hilhorst model were investigated. The first approach, which considers the ECa effect on K’ reading, failed to improve the Hilhorst model for ECp > 3 dS m−1 for both laboratory and field conditions. However, the second approach, which considers the effect of ECa on the soil parameter K0, increased the performance of the Hilhorst model and gave accurate measurements of ECp using the 5TE sensor for irrigated soil.

ACS Style

Nessrine Zemni; Fethi Bouksila; Magnus Persson; Fairouz Slama; Ronny Berndtsson; Rachida Bouhlila. Laboratory Calibration and Field Validation of Soil Water Content and Salinity Measurements Using the 5TE Sensor. Sensors 2019, 19, 5272 .

AMA Style

Nessrine Zemni, Fethi Bouksila, Magnus Persson, Fairouz Slama, Ronny Berndtsson, Rachida Bouhlila. Laboratory Calibration and Field Validation of Soil Water Content and Salinity Measurements Using the 5TE Sensor. Sensors. 2019; 19 (23):5272.

Chicago/Turabian Style

Nessrine Zemni; Fethi Bouksila; Magnus Persson; Fairouz Slama; Ronny Berndtsson; Rachida Bouhlila. 2019. "Laboratory Calibration and Field Validation of Soil Water Content and Salinity Measurements Using the 5TE Sensor." Sensors 19, no. 23: 5272.

Articles
Published: 30 September 2019 in Hydrological Sciences Journal
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The groundwater contamination risk in future climates was investigated at three locations in Sweden. Solute transport penetration depths were simulated using the HYDRUS-1D model using historical data and an ensemble of climate projections including two global climate models (GCMs), three emission scenarios and one regional climate model. Most projections indicated increasing precipitation and evapotranspiration until mid-century with a further increase at end-century. Results showed both increasing and decreasing groundwater contamination risks depending on emission scenario and GCM. Generally, the groundwater contamination risk is likely to be unchanged until mid-century, but higher at the end of the century. Soil and site specific relationships between Δ(P – PET) (i.e. change in the difference between precipitation, P, and potential evapotranspiration, PET) and changes in solute transport depths were determined. Using this, changes in solute transport depths for other climate projections can be assessed.

ACS Style

Magnus Persson; Tarek Selim; Jonas Olsson. Groundwater contamination risks from conservative point source pollutants in a future climate. Hydrological Sciences Journal 2019, 64, 1659 -1671.

AMA Style

Magnus Persson, Tarek Selim, Jonas Olsson. Groundwater contamination risks from conservative point source pollutants in a future climate. Hydrological Sciences Journal. 2019; 64 (13):1659-1671.

Chicago/Turabian Style

Magnus Persson; Tarek Selim; Jonas Olsson. 2019. "Groundwater contamination risks from conservative point source pollutants in a future climate." Hydrological Sciences Journal 64, no. 13: 1659-1671.

Review
Published: 18 March 2019 in Sustainability
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The present article is an assessment of wastewater treatment processes in the oil refinery sector in Kazakhstan by comparing relevant experience of developed and developing countries. The legislation in this sphere, the treatment methods, the discharge process and the effect on the environment were evaluated following international and national regulations. In our study, the wastewater systems in three factories in Kazakhstan were assessed. Results show that, even though the environmental regulation in Kazakhstan promotes the polluter pays principle and follows the World Health Organization (WHO) recommendations, the oil refinery plants in Kazakhstan still contain exceeding concentrations of pollutants in their effluents. One issue is that the local legislation allows disposal of wastewater to natural or artificial ponds as long as the concentrations of pollutants in effluents are less than the already existing concentrations in the pond. Consequently, the factories can use ponds with an initially high concentration of contaminants. The high initial concentration of pollutants in the pond water is due to wastewater discharged before the implementation of current environmental regulations. This issue in the current legislation leads to the situation where there is no incentive for efficient wastewater treatment. The national law also lacks regulations regarding which methodology should be used to assess the pollutants in the wastewater. Thus, the control by national environmental office for each enterprise is negotiated separately between the factory and the governmental body. This gives the factory a strong position to define the parameters assessing the effluents. This has led to none of the factories measuring, e.g., heavy metals in discharged wastewater. Total petroleum hydrocarbons (TPH) concentration in wastewater is often exceeded at each factory and there is no analysis done for different hydrocarbon fraction. To overcome the issues described in the present study, we strongly recommended a unified and transparent methodology for the country’s oil refinery industry to assess important pollutants in discharged wastewater.

ACS Style

Ivan Radelyuk; Kamshat Tussupova; Kulshat Zhapargazinova; Madeniyet Yelubay; Magnus Persson. Pitfalls of Wastewater Treatment in Oil Refinery Enterprises in Kazakhstan—A System Approach. Sustainability 2019, 11, 1618 .

AMA Style

Ivan Radelyuk, Kamshat Tussupova, Kulshat Zhapargazinova, Madeniyet Yelubay, Magnus Persson. Pitfalls of Wastewater Treatment in Oil Refinery Enterprises in Kazakhstan—A System Approach. Sustainability. 2019; 11 (6):1618.

Chicago/Turabian Style

Ivan Radelyuk; Kamshat Tussupova; Kulshat Zhapargazinova; Madeniyet Yelubay; Magnus Persson. 2019. "Pitfalls of Wastewater Treatment in Oil Refinery Enterprises in Kazakhstan—A System Approach." Sustainability 11, no. 6: 1618.

Original articles
Published: 23 November 2017 in Hydrological Sciences Journal
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Numerical simulations of unsaturated solute transport from point sources were carried out using HYDRUS-1D. Three different soil types cropped with spring wheat were considered at three different locations in Sweden: Malmö, Norrköping and Petisträsk. Two types of rainfall data were used, point-scale raingauge measurements and a gauge-adjusted weather radar product at four spatial resolutions, 2 × 2, 6 × 6, 10 × 10 and 14 × 14 km2. The results showed that differences in the mean solute transport depths were small and not significant, with the exception of Petisträsk. Maximum transport depths were in most cases significantly larger using raingauge data compared to radar data. The results showed that using areal-averaged rainfall input will give solute transport estimations close to those using point-measured data. This shows the great potential in using radar-measured rainfall data in small-scale hydrological applications.

ACS Style

Tarek Selim; Magnus Persson; Jonas Olsson. Impact of spatial rainfall resolution on point-source solute transport modelling. Hydrological Sciences Journal 2017, 62, 2587 -2596.

AMA Style

Tarek Selim, Magnus Persson, Jonas Olsson. Impact of spatial rainfall resolution on point-source solute transport modelling. Hydrological Sciences Journal. 2017; 62 (16):2587-2596.

Chicago/Turabian Style

Tarek Selim; Magnus Persson; Jonas Olsson. 2017. "Impact of spatial rainfall resolution on point-source solute transport modelling." Hydrological Sciences Journal 62, no. 16: 2587-2596.

Journal article
Published: 01 August 2017 in Journal of Irrigation and Drainage Engineering
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In the present study, the electrical conductivity of the soil solution (σp) was predicted using a linear model in which the bulk soil electrical conductivity (σb) effect on the apparent dielectric permittivity (ϵs) was considered. The performance of the proposed model was evaluated by measurements with a dielectric sensor (the WET sensor) in four porous media at four different levels of electrical conductivity of the moistening KCl solution (σw). It was found that the relationship between the square root of the permittivity (ϵs) and soil volumetric water content (θ) was dependent on soil type, which is consistent with the low operating frequency of the sensor. Establishing a soil specific θm–ϵs relationship substantially increased the θ measurement accuracy compared to the factory calibration. It was shown that the new approach for the σp prediction gave reasonably accurate results in sands irrespective of the σp values. For the finer porous media, it improved the prediction of σp only for the higher salinity levels, but the σp values appear to be underestimated. The relationship between the corrected dielectric permittivity ϵR and σb is strongly linear for σw and σb values up to 6 and 1.7 dS·m−1, respectively.

ACS Style

George Kargas; Magnus Persson; George Kanelis; Ioanna Markopoulou; Petros Kerkides. Prediction of Soil Solution Electrical Conductivity by the Permittivity Corrected Linear Model Using a Dielectric Sensor. Journal of Irrigation and Drainage Engineering 2017, 143, 04017030 .

AMA Style

George Kargas, Magnus Persson, George Kanelis, Ioanna Markopoulou, Petros Kerkides. Prediction of Soil Solution Electrical Conductivity by the Permittivity Corrected Linear Model Using a Dielectric Sensor. Journal of Irrigation and Drainage Engineering. 2017; 143 (8):04017030.

Chicago/Turabian Style

George Kargas; Magnus Persson; George Kanelis; Ioanna Markopoulou; Petros Kerkides. 2017. "Prediction of Soil Solution Electrical Conductivity by the Permittivity Corrected Linear Model Using a Dielectric Sensor." Journal of Irrigation and Drainage Engineering 143, no. 8: 04017030.

Review
Published: 24 August 2016 in Climate
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Hydrological climate change impact assessment is generally performed by following a sequence of steps from global and regional climate modelling, through data tailoring (bias-adjustment and downscaling) and hydrological modelling, to analysis and impact assessment. This “climate-hydrology-assessment chain” has been developed with a primary focus on applicability to a medium-sized rural basin, which has been and still is the main type of domain investigated in this context. However, impact assessment is to an increasing degree being performed at scales smaller or larger than the medium-sized rural basin. Small-scale assessment includes e.g., impacts on solute transport and urban hydrology and large-scale assessment includes e.g., climate teleconnections and continental modelling. In both cases, additional complexity is introduced in the process and additional demands are placed on all components involved, i.e., climate and hydrology models, tailoring methods, assessment principles, and tools. In this paper we provide an overview of recent progress with respect to small- and large-scale hydrological climate change impact assessment. In addition, we wish to highlight some key issues that emerged as a consequence of the scale and that need further attention from now on. While we mainly use examples from work performed in Europe for illustration, the progress generally reflects the overall state of the art and the issues considered are of a generic character.

ACS Style

Jonas Olsson; Berit Arheimer; Matthias Borris; Chantal Donnelly; Kean Foster; Grigory Nikulin; Magnus Persson; Anna-Maria Perttu; Cintia B. Uvo; Maria Viklander; Wei Yang. Hydrological Climate Change Impact Assessment at Small and Large Scales: Key Messages from Recent Progress in Sweden. Climate 2016, 4, 39 .

AMA Style

Jonas Olsson, Berit Arheimer, Matthias Borris, Chantal Donnelly, Kean Foster, Grigory Nikulin, Magnus Persson, Anna-Maria Perttu, Cintia B. Uvo, Maria Viklander, Wei Yang. Hydrological Climate Change Impact Assessment at Small and Large Scales: Key Messages from Recent Progress in Sweden. Climate. 2016; 4 (3):39.

Chicago/Turabian Style

Jonas Olsson; Berit Arheimer; Matthias Borris; Chantal Donnelly; Kean Foster; Grigory Nikulin; Magnus Persson; Anna-Maria Perttu; Cintia B. Uvo; Maria Viklander; Wei Yang. 2016. "Hydrological Climate Change Impact Assessment at Small and Large Scales: Key Messages from Recent Progress in Sweden." Climate 4, no. 3: 39.

Journal article
Published: 01 May 2015 in Vadose Zone Journal
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ACS Style

Magnus Persson; Torleif Dahlin; Thomas Günther. Observing Solute Transport in the Capillary Fringe Using Image Analysis and Electrical Resistivity Tomography in Laboratory Experiments. Vadose Zone Journal 2015, 14, 1 .

AMA Style

Magnus Persson, Torleif Dahlin, Thomas Günther. Observing Solute Transport in the Capillary Fringe Using Image Analysis and Electrical Resistivity Tomography in Laboratory Experiments. Vadose Zone Journal. 2015; 14 (5):1.

Chicago/Turabian Style

Magnus Persson; Torleif Dahlin; Thomas Günther. 2015. "Observing Solute Transport in the Capillary Fringe Using Image Analysis and Electrical Resistivity Tomography in Laboratory Experiments." Vadose Zone Journal 14, no. 5: 1.

Journal article
Published: 20 December 2014 in Hydrological Sciences Journal
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Water harvesting and artificial recharge have been a traditional solution to water scarcity problems in the arid and semi-arid Middle East for thousands of years. These techniques are increasingly being encouraged, and recently there has been renewed interest to find improved methods for water harvesting and artificial recharge in many arid countries. In this study, water balance calculations and groundwater modelling were utilized to investigate the performance and hydrological function of an improved water harvesting technique, referred to as the floodwater spreading system, in arid Iran. The recharge amount in the floodwater spreading system studied varied from a few hundred thousand cubic metres per month during drought periods to about 4.5 × 106 m3 per month during rainy periods. However, the gain through artificial recharge was diminished by excessive ground- water abstraction by numerous newly drilled pumping wells. Hence, the groundwater declined in spite of the artificial recharge. However, this research showed that, with balanced pumping, the floodwater spreading system could be an efficient way to increase groundwater resources in arid and semi-arid areas. Further research is needed to optimize the floodwater harvesting system to improve its management in view of the uncertain frequency and magnitude of inflow

ACS Style

Hossein Hashemi; Ronny Berndtsson; Magnus Persson. Artificial recharge by floodwater spreading estimated by water balances and groundwater modelling in arid Iran. Hydrological Sciences Journal 2014, 60, 336 -350.

AMA Style

Hossein Hashemi, Ronny Berndtsson, Magnus Persson. Artificial recharge by floodwater spreading estimated by water balances and groundwater modelling in arid Iran. Hydrological Sciences Journal. 2014; 60 (2):336-350.

Chicago/Turabian Style

Hossein Hashemi; Ronny Berndtsson; Magnus Persson. 2014. "Artificial recharge by floodwater spreading estimated by water balances and groundwater modelling in arid Iran." Hydrological Sciences Journal 60, no. 2: 336-350.

Journal article
Published: 01 August 2013 in Environmental and Experimental Botany
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The salinity problem is becoming increasingly widespread in arid countries. In semiarid Tunisia about 50% of the irrigated land is considered as highly sensitive to salinization. To avoid the risk of salinization, it is important to control the soil salinity and keep it below plant salinity tolerance thresholds. The objective of the present study was to provide farmers and rural development offices with a tool and methodology for predicting, monitoring of soil salinity for a better agronomical strategy. The experiments were carried out in the highly complex and heterogeneous semiarid Kalâat Landalous irrigated district of Tunisia. The field and laboratory measurements of soil and water properties were conducted in 1989 and 2006 at different observation scales (2900ha, 1400ha, 5200m long transect, and soil profiles). Seventeen years of reclamation of a saline and waterlogged soil led to the reduction of average electrical conductivity of the soil saturated paste extract (ECe), measured at 5 soil depths (from 0 to 2m) below the plant salt tolerance threshold and the dilution of groundwater salinity from 18.3 to 6.6dS

ACS Style

Fethi Bouksila; Akissa Bahri; Ronny Berndtsson; Magnus Persson; Jelte Rozema; Sjoerd E.A.T.M. Van der Zee. Assessment of soil salinization risks under irrigation with brackish water in semiarid Tunisia. Environmental and Experimental Botany 2013, 92, 176 -185.

AMA Style

Fethi Bouksila, Akissa Bahri, Ronny Berndtsson, Magnus Persson, Jelte Rozema, Sjoerd E.A.T.M. Van der Zee. Assessment of soil salinization risks under irrigation with brackish water in semiarid Tunisia. Environmental and Experimental Botany. 2013; 92 ():176-185.

Chicago/Turabian Style

Fethi Bouksila; Akissa Bahri; Ronny Berndtsson; Magnus Persson; Jelte Rozema; Sjoerd E.A.T.M. Van der Zee. 2013. "Assessment of soil salinization risks under irrigation with brackish water in semiarid Tunisia." Environmental and Experimental Botany 92, no. : 176-185.

Journal article
Published: 18 April 2013 in Irrigation and Drainage
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Higher crop production and higher water use efficiency are usually achieved simultaneously with surface drip irrigation compared to other surface irrigation methods. With increasing competition for fresh water nowadays, there is also a need for greater use of brackish water in agriculture. Effects of soil hydraulic properties, initial soil moisture content ( ), and the irrigation regime on soil water and salinity distribution under surface drip irrigation (DI) with brackish irrigation water for growing tomato in saline soil were investigated using HYDRUS-2D/3D model. Simulation scenarios were conducted including three soil types (sand, loamy sand, and sandy loam), two irrigation regimes (daily and on alternate-day irrigation), and two values. Simulation results revealed that the effect of the irrigation regime on the wetting patterns differed according to the soil’s hydraulic properties while the effect of the initial soil moisture content vanished after a few days. Alternate-day regime is suitable for fine-texture soil. Soil salinity patterns showed that the irrigation regime and value did not show any significant effect on soil salinity distribution under drip irrigation with brackish water. Higher soil salinity values occurred along the soil surface by the end of the simulation period. These higher values were closer to the emitter in sand as compared to loamy sand and sandy loam. Water balance calculations showed that as the initial soil moisture content increased, the free drainage component increased. However, the irrigation regime and initial soil moisture content value did not affect the evaporation rate and root water uptake rate

ACS Style

Tarek Selim; Ronny Berndtsson; Magnus Persson. SIMULATION OF SOIL WATER AND SALINITY DISTRIBUTION UNDER SURFACE DRIP IRRIGATION. Irrigation and Drainage 2013, 62, 352 -362.

AMA Style

Tarek Selim, Ronny Berndtsson, Magnus Persson. SIMULATION OF SOIL WATER AND SALINITY DISTRIBUTION UNDER SURFACE DRIP IRRIGATION. Irrigation and Drainage. 2013; 62 (3):352-362.

Chicago/Turabian Style

Tarek Selim; Ronny Berndtsson; Magnus Persson. 2013. "SIMULATION OF SOIL WATER AND SALINITY DISTRIBUTION UNDER SURFACE DRIP IRRIGATION." Irrigation and Drainage 62, no. 3: 352-362.

Journal article
Published: 24 January 2013 in Environmental Monitoring and Assessment
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The dielectric procperties of MSWI bottom ash as a function of volumetric water content (VWC) are reported in this paper. The objective was to aid the development of microwave based non-invasive emission monitoring and control system for various bottom ash applications. The dielectric measurements were made, on a 1.5-year-old bottom ash, with an electrical network analyzer in microwave range (300 MHz–1.5 GHz). The VWC of the samples ranged between 0.05 and 0.40 m3 m−3. The relationship between the dielectric permittivity and the VWC was modeled with an empirical model and a physically based Birchak model (BM). The results showed that a linear relationship existed between the permittivity and the VWC at higher water contents (>0.25 m3 m−3). However, at lower water contents (<0.25 m3 m−3), the relationship between the permittivity and the WVC was affected by the composition of the bottom ash. The permittivity measurement, with the current method, was not affected by high salt concentrations (10 and 20 dS/m). The empirical model, as compared to BM, provided the best fit between the actual and the predicted water content. The root mean square error (RMSE) values were 0.008–0.010 and 0.06–0.09 m3 m−3 for the empirical and the Birchak model, respectively.

ACS Style

Aamir Ilyas; Magnus Persson; Martijn Van Praagh. Dielectric properties of MSWI bottom ash for non-invasive monitoring of moisture. Environmental Monitoring and Assessment 2013, 185, 7053 -7063.

AMA Style

Aamir Ilyas, Magnus Persson, Martijn Van Praagh. Dielectric properties of MSWI bottom ash for non-invasive monitoring of moisture. Environmental Monitoring and Assessment. 2013; 185 (8):7053-7063.

Chicago/Turabian Style

Aamir Ilyas; Magnus Persson; Martijn Van Praagh. 2013. "Dielectric properties of MSWI bottom ash for non-invasive monitoring of moisture." Environmental Monitoring and Assessment 185, no. 8: 7053-7063.

Journal article
Published: 11 October 2012 in Irrigation Science
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In this study, an assessment for a proposed irrigation system in the El-Salam Canal cultivated land, Egypt, was conducted. A numerical model (HYDRUS-2D/3D) was applied to investigate the effect of irrigation amount, frequency, and emitter depth on the wetted soil volume, soil salinity levels, and deep percolation under subsurface trickle irrigation (SDI) of tomato growing with brackish irrigation water in three different soil types. The simulations indicated that lower irrigation frequency increased the wetted soil volume without significant increase in water percolates below the plant roots. Deep percolation decreased as the amount of irrigation water and emitter depth decreased. With the same amount of irrigation water, the volume of leached soil was larger at lower irrigation frequency. The salinity of irrigation water under SDI with shallow emitter depth did not show any significant effect on increasing the soil salinity above tomato crop salt tolerance. Based on the results, it appears that the use of SDI with brackish irrigation water is an effective method for growing tomato crop in El-Salam Canal cultivated land especially with shallow emitter depth.

ACS Style

Tarek Selim Abou Lila; Ronny Berndtsson; Magnus Persson; Mohamed Somaida; Mohamed El-Kiki; Yasser Hamed; Ahmed Mirdan. Numerical evaluation of subsurface trickle irrigation with brackish water. Irrigation Science 2012, 31, 1125 -1137.

AMA Style

Tarek Selim Abou Lila, Ronny Berndtsson, Magnus Persson, Mohamed Somaida, Mohamed El-Kiki, Yasser Hamed, Ahmed Mirdan. Numerical evaluation of subsurface trickle irrigation with brackish water. Irrigation Science. 2012; 31 (5):1125-1137.

Chicago/Turabian Style

Tarek Selim Abou Lila; Ronny Berndtsson; Magnus Persson; Mohamed Somaida; Mohamed El-Kiki; Yasser Hamed; Ahmed Mirdan. 2012. "Numerical evaluation of subsurface trickle irrigation with brackish water." Irrigation Science 31, no. 5: 1125-1137.

Correspondence
Published: 31 January 2012 in Agricultural Water Management
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In Undetermined In alternate partial root-zone irrigation (APRI) a significant amount of irrigation water can be saved without considerable yield reduction. In this paper, Hydrus-2D/3D was used to investigate the impact of geometric design of alternate partial root-zone subsurface drip irrigation (APRSDI) with brackish water for growing tomato on soil moisture and salinity distribution. Three inter-plant emitter distances (IPED; 20, 30, and 40 cm), two emitter depths (10 and 20 cm), and three irrigation water salinity levels (0, 1, and 2 dS m-1) were used to implement the proposed simulation scenarios in loamy sand soil during a 40-day simulation period. The simulation results showed that higher soil moisture content was found beneath the plant trunk in case of 20 cm (short IPED) and near the domain border in case of 30 and 40 cm IPED. Short IPED guarantees more water in the maximum root density zone. A deeper wetting front occurred for deep emitter depth, while the wetting front reached the soil surface for shallow emitter depth. Salinity results revealed that as irrigation water salinity increased, the salinity in the top soil increased. In addition, the salinity at the soil surface increased as IPED and emitter depth increased. Higher root water uptake rates were recorded in the case of 20 cm IPED while the emitter depth did not show any considerable effect on root water uptake rates. Moreover, the applied irrigation water was fully consumed by the plant in case of short IPED. Emitter depth and salinity of irrigation water had negligible effect on amount of irrigation water extracted by plant roots and percolated amount below the bottom boundary of the flow domain. Overall, short IPED is recommended in APRSDI with or without brackish irrigation water regardless of the emitter depth

ACS Style

Tarek Selim; Ronny Berndtsson; Magnus Persson; Mohamed Somaida; Mohamed El-Kiki; Yasser Hamed; Ahmed Mirdan; Qingyun Zhou. Influence of geometric design of alternate partial root-zone subsurface drip irrigation (APRSDI) with brackish water on soil moisture and salinity distribution. Agricultural Water Management 2012, 103, 182 -190.

AMA Style

Tarek Selim, Ronny Berndtsson, Magnus Persson, Mohamed Somaida, Mohamed El-Kiki, Yasser Hamed, Ahmed Mirdan, Qingyun Zhou. Influence of geometric design of alternate partial root-zone subsurface drip irrigation (APRSDI) with brackish water on soil moisture and salinity distribution. Agricultural Water Management. 2012; 103 ():182-190.

Chicago/Turabian Style

Tarek Selim; Ronny Berndtsson; Magnus Persson; Mohamed Somaida; Mohamed El-Kiki; Yasser Hamed; Ahmed Mirdan; Qingyun Zhou. 2012. "Influence of geometric design of alternate partial root-zone subsurface drip irrigation (APRSDI) with brackish water on soil moisture and salinity distribution." Agricultural Water Management 103, no. : 182-190.

Book chapter
Published: 01 January 2011 in Encyclopedia of Solid Earth Geophysics
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Magnus Persson; Miroslav Kutílek; Grzegorz Jozefaciuk; Igor B. Uskov; Victor P. Yakushev; Lajos Blaskó; Guy J. Levy; Marek Molenda. Illuviation. Encyclopedia of Solid Earth Geophysics 2011, 387 -387.

AMA Style

Magnus Persson, Miroslav Kutílek, Grzegorz Jozefaciuk, Igor B. Uskov, Victor P. Yakushev, Lajos Blaskó, Guy J. Levy, Marek Molenda. Illuviation. Encyclopedia of Solid Earth Geophysics. 2011; ():387-387.

Chicago/Turabian Style

Magnus Persson; Miroslav Kutílek; Grzegorz Jozefaciuk; Igor B. Uskov; Victor P. Yakushev; Lajos Blaskó; Guy J. Levy; Marek Molenda. 2011. "Illuviation." Encyclopedia of Solid Earth Geophysics , no. : 387-387.

Book chapter
Published: 01 January 2011 in Encyclopedia of Solid Earth Geophysics
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Magnus Persson; Miroslav Kutílek; Grzegorz Jozefaciuk; Igor B. Uskov; Victor P. Yakushev; Lajos Blaskó; Guy J. Levy; Marek Molenda. Infiltrability. Encyclopedia of Solid Earth Geophysics 2011, 390 -390.

AMA Style

Magnus Persson, Miroslav Kutílek, Grzegorz Jozefaciuk, Igor B. Uskov, Victor P. Yakushev, Lajos Blaskó, Guy J. Levy, Marek Molenda. Infiltrability. Encyclopedia of Solid Earth Geophysics. 2011; ():390-390.

Chicago/Turabian Style

Magnus Persson; Miroslav Kutílek; Grzegorz Jozefaciuk; Igor B. Uskov; Victor P. Yakushev; Lajos Blaskó; Guy J. Levy; Marek Molenda. 2011. "Infiltrability." Encyclopedia of Solid Earth Geophysics , no. : 390-390.

Book chapter
Published: 01 January 2011 in Encyclopedia of Solid Earth Geophysics
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ACS Style

Magnus Persson; Miroslav Kutílek; Grzegorz Jozefaciuk; Igor B. Uskov; Victor P. Yakushev; Lajos Blaskó; Guy J. Levy; Marek Molenda. Interception. Encyclopedia of Solid Earth Geophysics 2011, 399 -399.

AMA Style

Magnus Persson, Miroslav Kutílek, Grzegorz Jozefaciuk, Igor B. Uskov, Victor P. Yakushev, Lajos Blaskó, Guy J. Levy, Marek Molenda. Interception. Encyclopedia of Solid Earth Geophysics. 2011; ():399-399.

Chicago/Turabian Style

Magnus Persson; Miroslav Kutílek; Grzegorz Jozefaciuk; Igor B. Uskov; Victor P. Yakushev; Lajos Blaskó; Guy J. Levy; Marek Molenda. 2011. "Interception." Encyclopedia of Solid Earth Geophysics , no. : 399-399.

Book chapter
Published: 01 January 2011 in Encyclopedia of Solid Earth Geophysics
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Magnus Persson; Miroslav Kutílek; Grzegorz Jozefaciuk; Igor B. Uskov; Victor P. Yakushev; Lajos Blaskó; Guy J. Levy; Marek Molenda. Interflow. Encyclopedia of Solid Earth Geophysics 2011, 400 -400.

AMA Style

Magnus Persson, Miroslav Kutílek, Grzegorz Jozefaciuk, Igor B. Uskov, Victor P. Yakushev, Lajos Blaskó, Guy J. Levy, Marek Molenda. Interflow. Encyclopedia of Solid Earth Geophysics. 2011; ():400-400.

Chicago/Turabian Style

Magnus Persson; Miroslav Kutílek; Grzegorz Jozefaciuk; Igor B. Uskov; Victor P. Yakushev; Lajos Blaskó; Guy J. Levy; Marek Molenda. 2011. "Interflow." Encyclopedia of Solid Earth Geophysics , no. : 400-400.

Book chapter
Published: 01 January 2011 in Encyclopedia of Solid Earth Geophysics
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Magnus Persson; Miroslav Kutílek; Grzegorz Jozefaciuk; Igor B. Uskov; Victor P. Yakushev; Lajos Blaskó; Guy J. Levy; Marek Molenda. Internal Drainage. Encyclopedia of Solid Earth Geophysics 2011, 400 -400.

AMA Style

Magnus Persson, Miroslav Kutílek, Grzegorz Jozefaciuk, Igor B. Uskov, Victor P. Yakushev, Lajos Blaskó, Guy J. Levy, Marek Molenda. Internal Drainage. Encyclopedia of Solid Earth Geophysics. 2011; ():400-400.

Chicago/Turabian Style

Magnus Persson; Miroslav Kutílek; Grzegorz Jozefaciuk; Igor B. Uskov; Victor P. Yakushev; Lajos Blaskó; Guy J. Levy; Marek Molenda. 2011. "Internal Drainage." Encyclopedia of Solid Earth Geophysics , no. : 400-400.

Book chapter
Published: 01 January 2011 in Encyclopedia of Solid Earth Geophysics
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ACS Style

Magnus Persson; Miroslav Kutílek; Grzegorz Jozefaciuk; Igor B. Uskov; Victor P. Yakushev; Lajos Blaskó; Guy J. Levy; Marek Molenda. Intrinsic Permeability. Encyclopedia of Solid Earth Geophysics 2011, 400 -400.

AMA Style

Magnus Persson, Miroslav Kutílek, Grzegorz Jozefaciuk, Igor B. Uskov, Victor P. Yakushev, Lajos Blaskó, Guy J. Levy, Marek Molenda. Intrinsic Permeability. Encyclopedia of Solid Earth Geophysics. 2011; ():400-400.

Chicago/Turabian Style

Magnus Persson; Miroslav Kutílek; Grzegorz Jozefaciuk; Igor B. Uskov; Victor P. Yakushev; Lajos Blaskó; Guy J. Levy; Marek Molenda. 2011. "Intrinsic Permeability." Encyclopedia of Solid Earth Geophysics , no. : 400-400.