Search results: 567 results (approx.)

1. Evaluation and zonation of sensitive areas to gully erosion using fuzzy logic (case study: Ghaleh Gorg watershed-Shushtar).

The purpose of this study was to apply fuzzy logic operators for gully erosion zoning in Ghaleh Gorg watershed in Iran. Six effective parameters on soil erosion including mean weight diameter of aggregate, sodium adsorption ratio, salinity, and percentage of fine sand, silt, and clay were...

Author(s) : Ansari, M.; Soleimani, F.; Ahmadi, A.

Publisher : Ferdowsi University of Mashhad, Mashhad, Iran

Journal article : Journal of Water and Soil 2021 Vol.34 No.5 pp.fa1033-fa1045 ref.34

2. Investigating the effect of engineered biochars on lead desorption kinetics in contaminated calcareous soils.

The aim of this study was to investigate the effect of modified biochars rice husk and almond soft husk on lead desorption kinetics in contaminated calcareous soil. Soil from 0 to 30 cm depth was collected from the farm of Shahid Bahonar Agricultural College in Kerman, Iran. Physical and chemical...

Author(s) : Maharluei, Z. D.; Fekri, M.; Mahmoodabadi, M.; Saljooqi, A.; Hejazi, M.

Publisher : Ferdowsi University of Mashhad, Mashhad, Iran

Journal article : Journal of Water and Soil 2021 Vol.34 No.5 pp.fa1109-fa1124 ref.52

3. Regression patterns of diurnal temperature in different climatic regions of Iran.

This research presents a new method for estimating daily average of temperature in three climatic regions of Iran. The patterns for the sample stations in each climatic region were presented separately. The maximum temperature in calculating daily average of temperature is more effective than the...

Author(s) : Mirkamandr, B.; Sanaeinejad, H.; Rezaee-Pazhand, H.; Farzandi, M.

Publisher : Ferdowsi University of Mashhad, Mashhad, Iran

Journal article : Journal of Water and Soil 2021 Vol.34 No.5 pp.fa1141-fa1156 ref.16

4. Meteorological drought characteristics analysis under climate change effect using copula in Fars province.

The study has two major focuses: (1) Fitting drought characteristics from SPI to appropriate copulas, then using fitted copulas to estimate conditional drought severity distribution and joint return periods for both historical and future time periods in Fars province. (2) Inquiring the effects of...

Author(s) : Farmanara, S. M.; Bakhtiari, B.; Sayari, N.

Publisher : Ferdowsi University of Mashhad, Mashhad, Iran

Journal article : Journal of Water and Soil 2021 Vol.34 No.5 pp.fa1157-fa1173 ref.45

5. Linear, nonlinear and hybrid response of potential evaporation to meteorological variables (case study: Tabriz synoptic station).

For this study, monthly data of air temperature, air pressure at sea level, wind speed, relative humidity and sunshine hours were used as independent variables and monthly data of evaporation pan at Tabriz Synoptic Station in Iran as response or dependent variable. Except for air pressure, which...

Author(s) : Mirhashemi, H.

Publisher : Ferdowsi University of Mashhad, Mashhad, Iran

Journal article : Journal of Water and Soil 2021 Vol.34 No.5 pp.fa1175-fa1188 ref.23

6. Evaluating the long term trend effects of wordist height on barley in warm and cold season across Iran.

In the present study, the daily data of temperature, and geopotential height from the European Centre for Medium-Range Weather Forecasts (ECMWF) for 700 to 50 hpa with a spatial resolution of 0.25 x 0.25 longitude/latitude were applied from 1979 to 2018 for the detection of tropopause. Accordingly, ...

Author(s) : Asakereh, H.; Masodian, S. A.; Darand, M.; Zandkarimi, S.

Publisher : Ferdowsi University of Mashhad, Mashhad, Iran

Journal article : Journal of Water and Soil 2021 Vol.34 No.5 pp.fa1189-fa1202 ref.38

7. Numerical study of factors affecting distribution of none-equilibrium suspended sediment in natural rivers (case study: Gharasoo River, Kermanshah).

In this research, a numerical model was developed to simulate the suspended sediment transport in a river reach under non-equilibrium conditions. The amount of suspended sediment concentration was calculated for each sediment grain size. The results showed that the distribution of suspended load...

Author(s) : Ghobadian, R.; Shakari, H.

Publisher : Ferdowsi University of Mashhad, Mashhad, Iran

Journal article : Journal of Water and Soil 2020 Vol.34 No.2 pp.fa241-fa253 ref.13

8. Understanding water-food-energy nexus and their management for the utilization of the existing water resources.

The aim of this study is to utilize appropriately the existing water resources in the city of Boroujerd which is based on recycling and reusing water resources and reduced harvesting of ground water. So the potential of water saving and return to the cycle has been evaluated, and the results can be ...

Author(s) : Goodarzi, M. R.; Piryaei, R.; Moosavi, M. R.

Publisher : Ferdowsi University of Mashhad, Mashhad, Iran

Journal article : Journal of Water and Soil 2020 Vol.34 No.2 pp.fa255-fa268 ref.41

9. Evaluation of inter-basin water transfer project scenarios to Central Plateau of Iran employing COPRAS multi-criteria decision making method.

The main objective of this study is to evaluate and prioritize the practical inter-basin water transfer scenarios of Central Plateau of Iran employing three approaches of the analytic hierarchy process (AHP), DEMATEL and Shannon Entropy, and to propose this approach for decision making in water...

Author(s) : Ghased, H.; Roozbahani, A.; Shahedany, M. H.

Publisher : Ferdowsi University of Mashhad, Mashhad, Iran

Journal article : Journal of Water and Soil 2020 Vol.34 No.2 pp.fa317-fa332 ref.19

10. Estimation of the joint frequency of peak flow discharge-suspended load of Zarinehrood basin using two-dimensional analysis.

In this study, the frequency analysis of total sediment load of the Zarinehrood basin was investigated in the south-east of Lake Urmia with consideration of the peak flow discharge at the Chalekhmaz hydrometric station during the statistical period of 1992-2016 using copula functions. At first, the ...

Author(s) : Tahroudi, M. N.; Ramezani, Y.; Michele, C. de; Abadi, R. M. N.

Publisher : Ferdowsi University of Mashhad, Mashhad, Iran

Journal article : Journal of Water and Soil 2020 Vol.34 No.2 pp.fa333-fa347 ref.36

11. Simulation of wetted area of moisture bulb in pulsed drip irrigation.

This paper aimed to present the relationships for estimating the up and down wetted area of emitter for surface and subsurface drip irrigation (with pulsed and continuous application). Experiments were carried out in a transparent rectangular cube with dimensions of (3 * 1 * 0.5 m) using three...

Author(s) : Karimi, B.; Karimi, N.

Publisher : Ferdowsi University of Mashhad, Mashhad, Iran

Journal article : Journal of Water and Soil 2020 Vol.34 No.2 pp.fa349-fa364 ref.34

12. Comparison of the symbiotic organisms search algorithm with meta-heuristic algorithms in flood routing model.

Flood routing is one of the most important issues in water engineering projects. Hydrologic routing is common particularly in braided rivers and rivers with the lack of mid-basin data. To do that, there is a need to perform cross-sections and determine the river slope in every region. The Muskingum ...

Author(s) : Khalifeh, S.; Esmaili, S. A.; Esmaili, K.; Khodashenas, S.

Publisher : Ferdowsi University of Mashhad, Mashhad, Iran

Journal article : Journal of Water and Soil 2020 Vol.34 No.2 pp.fa365-fa378 ref.26

13. Effect of mycorrhizal fungus application on some biochemical characters of wheat cultivars in lead contaminated soil.

This paper presents the results of studies conducted to investigate the effect of the mycorrhizal fungus (Rhizophagus irregularis) on some biochemical traits of 10 wheat genotypes in 3 different concentrations of lead (0, 218 and 437 ppm) in soil. It was shown that the addition of mycorrhizal...

Author(s) : Jam, K. K.; Bihamta, M. R.; Habibi, D.; Asgharzadeh, A.; Saremirad, A.

Publisher : Ferdowsi University of Mashhad, Mashhad, Iran

Journal article : Journal of Water and Soil 2020 Vol.34 No.2 pp.fa393-fa408 ref.63

14. Assessment of the performance of the global land data assimilation system (GLDAS) in estimating daily surface solar radiation in Iran.

The objective of this study is to evaluate surface solar radiation (SSR) derived from GLDAS using ground measurements over Iran from 2012 to 2015 on a daily basis. In this study, measured SSR in 24 radiometer stations of Iran from 2012 to 2015 was extracted. Since the measured data are associated...

Author(s) : Ahmadibaseri, N.; Sabziparvar, A. A.; Khodamoradpour, M.; Arboledas, L. A.

Publisher : Ferdowsi University of Mashhad, Mashhad, Iran

Journal article : Journal of Water and Soil 2020 Vol.34 No.2 pp.fa501-fa513 ref.36

15. The effects of partial root zone drying and growing bed on yield and its components of Quinoa (cv. Titicaca).

A study was conducted to investigate the effects of water stress on yield and yield components of quinoa (Chenopodium quinoa) cv. Titicaca, using partial root zone drying (PRD) irrigation method in three growing beds, under greenhouse conditions during 2018. There were two irrigation managements...

Author(s) : Jamali, S.; Ansari, H.; Zeynodin, S. M.

Publisher : Ferdowsi University of Mashhad, Mashhad, Iran

Journal article : Journal of Water and Soil 2020 Vol.34 No.1 pp.fa1-fa10 ref.27

16. Evaluation different methods of scaling the Philip equation.

In this study, a new method for penetration scaling was presented. In this method, the infiltration curve can be obtained using the minimum information including a reference curve and the depth of infiltrated water after a given time. The selection of the reference infiltration curve is optional...

Author(s) : Poozan, M. T.; Chari, M. M.; Afrasiab, P.

Publisher : Ferdowsi University of Mashhad, Mashhad, Iran

Journal article : Journal of Water and Soil 2020 Vol.34 No.1 pp.fa27-fa42 ref.38

17. The effect of land use changes on the flood hydrograph in the Kashaf-Rood River by analyzing of SCS-CN results.

The effects of land use change over 28 years (from 1987 to 2015) on flood hydrograph characteristics in the Kashaf-Rood basin were investigated. For the oldest data, Landsat 5 images and for the latest data, Landsat 8 images were used. The maximum likelihood algorithm was used to classify the...

Author(s) : Mahmoodi, M.; Honarmand, M.; Naseri, F.; Mohammadi, S.

Publisher : Ferdowsi University of Mashhad, Mashhad, Iran

Journal article : Journal of Water and Soil 2020 Vol.34 No.1 pp.fa43-fa54 ref.32

18. Land use classification and determining the pattern of changes for 2014-2017, using OLI sensor's data.

This paper aims to determine the land use classification pattern changes for 2014-2017 using OLI sensor's data in Tarom basin, Iran. Five LULC classes were established as forest, bare land, vegetation, mountain and water body. For each LULC class, 500 samples were collected at least and used for...

Author(s) : Hosseini, S. B.; Saremi, A.; Gheydari, M. H. N.; Sedghi, H.; Firoozfar, A. R.

Publisher : Ferdowsi University of Mashhad, Mashhad, Iran

Journal article : Journal of Water and Soil 2020 Vol.34 No.1 pp.fa55-fa71 ref.74

19. Spatial distribution of mercury contamination in soils around of Kerman cement plant.

This paper aims to determine the spatial distribution of mercury contamination in soils around the Kerman cement plant. Soil samples were collected from the depth of 0 to 20 cm. 103 samples were taken and analyzed. Mercury concentration in soil samples were determined by atomic adsorption method...

Author(s) : Yousefifard, M.; Jafari, A.

Publisher : Ferdowsi University of Mashhad, Mashhad, Iran

Journal article : Journal of Water and Soil 2020 Vol.34 No.1 pp.fa85-fa95 ref.20

20. Effect of organic matter removal on phosphorus hysteresis indices (HI) in calcareous soils.

This study was conducted to quantify the hysteresis indices, to investigate the effect of organic matter removal on phosphorus (P) hysteresis indices and to evaluate the relationship between hysteresis indices and soil characteristics and selection of index with the close correlation. The effect of ...

Author(s) : Mahdizadeh, M.; Reyhanitabar, A.; Oustan, Sh.

Publisher : Ferdowsi University of Mashhad, Mashhad, Iran

Journal article : Journal of Water and Soil 2020 Vol.34 No.1 pp.fa97-fa114 ref.many

21. Soil organic matter condition in forest stands of Arasbaran.

This paper focused on soil organic matter content, stocks and forms under various environmental condition of the forest ecosystem to find new aspects of its relation with environmental factors. The study was carried out in Arasbaran forest, Iran. Results revealed increasing of soil evolution with...

Author(s) : Rezaei, H.; Jafarzadeh, A. A.; Alijanpour, A.; Shahbazi, F.; Kamran, Kh. V.

Publisher : Ferdowsi University of Mashhad, Mashhad, Iran

Journal article : Journal of Water and Soil 2020 Vol.34 No.1 pp.fa115-fa127 ref.67

22. The effect of Bacillus bacteria on phosphorus release from oil refinery plant-solid waste in a calcareous soil.

This study aimed to investigate the available phosphorus (Pava) content of soil after simultaneous addition of olive refinery-solid wastes and P solubilizing Bacillus spp. The solid waste was obtained from Ganje Rudbar oil refinery plant (located in Rudbar, Guilan province) and a soil sample was...

Author(s) : Hashempour, E.; Farhangi, M. B.; Ghorbanzadeh, N.; Sangani, M. F.

Publisher : Ferdowsi University of Mashhad, Mashhad, Iran

Journal article : Journal of Water and Soil 2020 Vol.34 No.1 pp.fa129-fa141 ref.36

23. Evaluation of different ratios of biofertilizer components impact on potassium dissolution by Pseudomonas fluorescens.

The annual increase in the price of potassium chemical fertilizers, as well as the destructive effects of these fertilizers on the environment, has necessitated the adoption of a solution for the use of native soil potassium. The use of biofertilizers containing beneficial microorganisms is one of...

Author(s) : Ashrafi-Saeidlou, S.; Samadi, A.; Rasouli-Sadaghiani, M. H.; Barin, M.; Sepehr, E.

Publisher : Ferdowsi University of Mashhad, Mashhad, Iran

Journal article : Journal of Water and Soil 2020 Vol.34 No.3 pp.fa661-fa673 ref.50

24. The effect of land use change on some physical and chemical indicators of soil quality, Bazaft region, (Chaharmahal and Bakhtiari province).

Land use change and land management practices, in addition to having a profound effect on soil properties, can lead to the loss of many soil uses. Therefore, studies on the effect of different managements on different soil characteristics and for sustainable management of soil resources are of...

Author(s) : Arpanahi, M. M.; Iqbal, M. K.

Publisher : Ferdowsi University of Mashhad, Mashhad, Iran

Journal article : Journal of Water and Soil 2020 Vol.34 No.3 pp.fa707-fa720

25. Point estimation of infiltration in surge irrigation using surge infiltrometer method.

One of the most important points in designing surface irrigation systems is to determine the infiltration equation parameters. In particular, the difficulty involved in the planning and design of surge irrigation systems is the prior knowledge and understanding of how infiltration changes occur...

Author(s) : Zarei, A.; Sohrabi, T.; Ojaghlou, H.; Bigdeli, Z.

Publisher : Ferdowsi University of Mashhad, Mashhad, Iran

Journal article : Journal of Water and Soil 2020 Vol.34 No.6 pp.fa1219-fa1230 ref.18