Dr. Tarek Zin El-Abedin | King Saud University (original) (raw)

Papers by Dr. Tarek Zin El-Abedin

ASEAN Journal on Science and Technology for Development, 2014

The main objective of this work is to validate and utilize USDA-SCS furrow irrigation design meth... more The main objective of this work is to validate and utilize USDA-SCS furrow irrigation design method. Soil data were collected from 22 locations in Nile Delta to get the soil texture and infiltration functions. According to the collected data, the Egyptian soils were classified into three groups: clay, clay loam, and sandy loam. Linear regression analysis was used to determine the average infiltration constants for each group. It was found that the infiltration constant C= 7 for all families must be adjusted in order to use the USDA-SCS intake families for Egyptian soils, the constant 'C' in the infiltration equation is taken C =4 for clay soil, C =11 for clay loam soil, and C = 17 for sandy loam soil. The SCS method and volume balance equations were programmed in MATLAB computer language (EGY) to design and evaluate furrow irrigation. The program output was validated using field experiments data conducted at the Etay El-baroud ARC, Behera Governorate. According to results, SCS model and Volume Balance can be used for determining infiltration depths and advance times along furrow length for the three groups of the Egyptian soils. The field experiments and volume balance results are very close to each other. However, Experimental results are different from SCS model, but using a coefficient made close agreement. A sensitivity analysis was performed using the EGY model to study the effects of varying Manning coefficient, land slope, inflow rate cutoff time length of run, and soil type on the performance parameters.

Misr J. Ag. Eng., , 2005

Modification of FAO Crop Model to Simulate Yield Response to Water for Peach Trees.

ARTICLE INFO ABSTRACT The main objective of this work is to validate and utilize USDA-SCS furrow ... more ARTICLE INFO ABSTRACT The main objective of this work is to validate and utilize USDA-SCS furrow irrigation design method. Soil data were collected from 22 locations in Nile Delta to get the soil texture and infiltration functions. According to the collected data, the Egyptian soils were classified into three groups: clay, clay loam, and sandy loam. Linear regression analysis was used to determine the average infiltration constants for each group. It was found that the infiltration constant C= 7 for all families must be adjusted in order to use the USDA-SCS intake families for Egyptian soils, the constant 'C' in the infiltration equation is taken C =4 for clay soil, C =11 for clay loam soil, and C = 17 for sandy loam soil. The SCS method and volume balance equations were programmed in MATLAB computer language (EGY) to design and evaluate furrow irrigation. The program output was validated using field experiments data conducted at the Etay El-baroud ARC, Behera Governorate. A...

Asian Journal of Science and Technology, Dec 30, 2014

The main objective of this work is to validate and utilze USDA-SCS furow irigation design method.... more The main objective of this work is to validate and utilze USDA-SCS furow irigation design method.
Soil data were colected from 2 locations in Nile Delta to get he soil texture and infiltration functions.
Acording to the colected data, the Egyptian soils were clasified into thre groups: clay, clay loam,
and sandy loam. Linear regresion analysis was used to determine the average infiltration constants for
each group. It was found that he infiltration constant C= 7 for al familes must be adjusted in order to
use the USDA-SCS intake familes for Egyptian soils, the constant 'C' in the infiltration equation is
taken C =4 for clay soil, C =1 for clay loam soil, and C = 17 for sandy loam soil. The SCS method and
volume balance equations were programmed in MATLAB computer language (EGY) to design and
evaluate furow irigation. The program output was validated using field experiments data conducted at
the Etay El-baroud ARC, Behera Governorate. Acording to results, SCS model and Volume Balance
can be used for determining infiltration depths and advance times along furow length for the thre
groups of the Egyptian soils. The field experiments and volume balance results are very close to each
other. However, Experimental results are diferent from SCS model, but using a coeficient made close
agrement. A sensitvity analysis was performed using the EGY model to study the efects of varying
Maning coeficient, land slope, inflow rate cutof time length of run, and soil type on the performance
parameters.

Forecasting furrow irrigation infiltration using artificial neural networks, Jan 1, 2015

a b s t r a c t An artificial neural network (ANN) was developed for estimating the infiltrated ... more a b s t r a c t
An artificial neural network (ANN) was developed for estimating the infiltrated water volume (Z) under
furrow irrigation. A feed-forward neural network using back-propagation training algorithm was developed
for the prediction. Four variables were used as input parameters; inflow rate (Qo), furrow length (L),
waterfront advance time at the end of the furrow (TL) and infiltration opportunity time (To). The Z was
the one node in the output layer. The data used to develop the ANN model were taken from published
experiments. The ANN model predicted Z over a wide range of the input variables with statistical analysis
indicating that it can successfully predict Z with a high degree of accuracy. Performance evaluation
criteria indicated that the ANN model was better than the two-point method using a volume balance
model. Using testing and validation data sets to compare the ANN model with the two-point method
shows that the two-point method had a mean coefficient of determination (R2) value that was about
3.6% less accurate than that from the ANN model. Also, the mean root mean square error (RMSE) value of
0.0135 m3m−1 for the two-point method was almost double that of mean values for the ANN model. The
relative errors of computed Z values for the ANN model were mostly around ±10%. Therefore, the ANN
model is applicable to other soils and to different furrow irrigation hydraulics.
© 2014 Elsevier B.V. All rights reserved.

Pulse drip irrigation is a recent concept where small frequent irrigation applications are applie... more Pulse drip irrigation is a recent concept where small frequent irrigation applications are applied to saturate the soil and meet the plant water requirements. The field experiments were carried out in clayey soil at the farm of Rice Mechanization Center (RMC), Meet El-Deepa, Kafr El-Sheikh Governorate during the successive season of 2004-2005. The experimental field was divided into three large plots. The plot was divided into 2 strips. Each strip was considered for one specified treatment. Each treatment contained eight dripper lines. The dripper lines spacing and length were designed to be 1.0 m and 50 m of both side of the manifold, respectively. The experiment was randomized complete block design (RCBD) for one variable each irrigation alone. The purposes of this study were to determine and evaluate the effects of the traditional and the pulse drip irrigation (5 min on/ 5 min off) on the process of soil water depletion, replenishment, distribution pattern, application efficiency, emission uniformity, distribution efficiency, crop yield characteristics and water use efficiency. The crop measurements were plant height (cm), number of ears/plant, roots distribution area, kernel weight and weight of 100 kernels as an average of two samples taken at random from each plot. The results demonstrated that the maximum crop water requirement was 6.96 mm/day during the mid season (through August). The seasonal irrigation water applied was found to be 1931.35 and 1892.48 m3/fed or 459.9 and 450.6 mm/ season for continuous and pulse drip irrigation, respectively. Pulse flow resulted in higher values of soil moisture trend for either (0-15 cm) or (15-30cm) soil depths. Moisture content showed that there was no significant difference between the two soil depths for pulse flow irrigation technique, while as the L.S.D. test was highly significant for 1 . 1033 continuous drip between both soil depths. The higher value for each of Ea, EU and Ed through over the growth planting season was recorded for pulse drip irrigation technique. This indicated higher water uniformity distribution along the lateral of dripper line. Pulse drip irrigation increased grain yield by 11.8% compared with continuous drip irrigation. While the total applied water was saved by 2.01% for pulse drip irrigation than that continuous drip. Water use efficiency under pulse drip irrigation was 2.34 kg/m 3 compared with 2.06 kg/m 3 for continuous drip irrigation recording an increase of 13.55%

MISR SOCIETY OF AGRICULTURAL ENGINEERING, Nov 22, 2006

MISR SOCIETY OF AGRICULTURAL ENGINEERING, Jul 1996

MISR SOCIETY OF AGRICULTURAL ENGINEERING, Jan 1998

The main factors that affect the water distribution over the plot of sprinkler irrigation systems... more The main factors that affect the water distribution over the plot of sprinkler irrigation systems, and their influence on peanut yield were investigated. The split-split plot design was used. One dimension mathematical model was developed to simulate the soil moisture distribution profile under catch cans of sprinkler irrigation system. Results indicated that the coefficient of uniformity, distribution uniformity and water application efficiency were increased with increasing the riser height. The area of water distribution at low quarter was decreased with increasing the riser heights. The evaporation and drift losses were increased with sprinkler RB30 more than sprinkler RB 70 by average of 300%. The highest value of the soil moisture distribution uniformity was at 75cm riser height at different soil depths after 1 and 4 days from irrigation. For all riser heights after 24h from irrigation, the average of the soil moisture contents ranged around the field capacity at the soil layers up to 15cm with moisture distribution uniformity of 95.5% for RB30 and up to 25cm with uniformity of 94% for RB70. The distribution uniformity of the received water on the soil surface ranged between 70.89 and 82.13%, while the soil moisture distribution uniformity ranged between 85.1 and 97.29% after 24h from irrigation and 94.05 and 98.52% after 96h from irrigation. The riser height strongly influences the soil moisture distribution uniformity, which significantly affect pods number per plant, 100 kernels weight and total yield. The 75cm riser height has recorded better results over other riser heights. Generally, lowest amount of irrigation water was recorded with riser height of 75cm, which resulted in higher water use efficiency over all riser heights for both sites.

MISR SOCIETY OF AGRICULTURAL ENGINEERING, Jul 1999

Alexandria Journal of Agricultural Research , Dec 2006

A single solar earth-water still was used to distill the ground water during the period of 2004-2... more A single solar earth-water still was used to distill the ground water during the period of 2004-2005 at Danial Village, Ettsa, Fayoum depression. Thermal behavior of the still was analyzed and simulated using Visual basic language, which engaged with Microsoft Excel. The results indicated that, the distillated water was quadrupled from 1-4 L/m 2 .day with solar intensity from 425 -675 W/m 2 .day. As the collector area increased from 5 to 42 m 2 , the distillation rate increased by 166% for winter season and by 325% for summer season.