Safwan Mohammed

Safwan Mohammed
University of Debrecen · Institute of Land Utilisation, Technology and regional Development

Doctor of Philosophy (Ph.D)
Climate and Environmental Change | Soil & water

About

70
Publications
20,414
Reads
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457
Citations
Introduction
A researcher in environmental issues such as land degradation, ecosystem management, climate change and crop production, with over 9 years of research experience including soil science, land degradation, climate change, GIS-modeling, and carbon emission. I am currently looking for a position, where I can use my skills and knowledge to their full potential
Additional affiliations
September 2017 - present
University of Debrecen
Position
  • PhD Student
Education
November 2013 - September 2016
‎Tishreen University
Field of study
  • Soil Since
November 2009 - September 2013
Damascus University
Field of study
  • Land Evaluation
September 2003 - November 2008
Damascus University
Field of study
  • Agriculture

Publications

Publications (70)
Article
Appropriate management of crop residue plays a key role in mitigating greenhouse gas emissions. However, it has been inadequately implemented in general agricultural management practices. In a field investigation using static chambers, we evaluated the effects of crop residue at three different rates - 100% (R100), 50% (R50), and residue removal (R...
Article
Full-text available
This study examined the physical properties of agricultural drought (i.e., intensity, duration, and severity) in Hungary from 1961 to 2010 based on the Standardized Precipitation Index (SPI) and the Standardized Precipitation Evapotranspiration Index (SPEI). The study analyzed the interaction between drought and crop yield for maize and wheat using...
Conference Paper
Full-text available
In Africa, fertilization is one of the most important practices to revert unfavourable crop production trends characterised by low and fluctuating crop yield. This review provides the relevant research patterns and trends in the utilization of fertilizers to improve maize production and productivity in Africa. The metadata of published documents co...
Conference Paper
Full-text available
Recently, the production and marketing of foliar fertilizers has increased. This is owed to foliar fertilization ability to enhance crop yield and quality. The main aim of this work is to give a comprehensive review about the negative and positive sides of foliar fertilization. Scientifically, foliar fertilization has many positive sides, such as,...
Article
Full-text available
Drought is a natural hazard which affects ecosystems in the eastern Mediterranean. However, limited historical data for drought monitoring and forecasting are available in the eastern Mediterranean. Thus, implementing machine learning (ML) algorithms could allow for the prediction of future drought events. In this context, the main goals of this re...
Book
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In the wake of climate change, extreme storm events, catastrophic disasters (including soil erosion, debris and landslide formation, loss of life, etc.) have surged. These disasters are more common in mountainous regions, and could be a result of tectonic, climatic, and/or human activities [1–3]. Over the past two decades, more than 300 natural dis...
Article
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Availability of micronutrients is one of the important factors for the successful and economic cultivation of vineyards. The objectives of this study are to evaluate the spatial distribution of soil micronutrients (Cu, Fe, Mn, Zn, B) and their suitability for vineyard cultivation in Jabal Al Arab of Syria. To achieve the research objectives, soil s...
Article
Full-text available
Reference crop evapotranspiration (ETo) is an important component of the hydrological cycle that is used for water resource planning, irrigation, and agricultural management, as well as in other hydrological processes. The aim of this study was to estimate the ETo based on limited meteorological data using an artificial neural network (ANN) method....
Article
Land evaluation is a process of the aggregation and interpretation of the basic elements of soil, topography, and climate in order to identify the best land utilization type. Within this context, the main aim of this research was to investigate the suitability of land in the southwestern Egyptian delta for citrus cultivation and production by addre...
Article
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In recent decades, the agricultural sector has witnessed rapid technological interventions from field to the production stage. Thus, the importance of these technological interventions must be strictly evaluated. The traditional statistical method often deems low statistical differences as a significant one, which cannot be considered effective fro...
Article
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The primary driver of the land carbon sink is gross primary productivity (GPP), the gross absorption of carbon dioxide (CO2) by plant photosynthesis, which currently accounts for about one-quarter of anthropogenic CO2 emissions per year. This study aimed to detect the variability of carbon productivity using the Standardized Evapotranspiration Defi...
Article
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Climate mitigation and adaptation planning (CMAP) has recently been implemented across the EU-28 to reduce GHG emissions (CO2, CH4, N2O). Thus, the aim of this study was to provide an overview of GHG emissions from the agricultural sector in the EU-28 from 1990 to 2019, and cluster the EU-28 countries regarding their total GHG emissions. The result...
Article
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In the last few decades, agricultural drought (Ag.D) has seriously affected crop production and food security worldwide. In Hungary, little research has been carried out to assess the impacts of climate change, particularly regarding droughts and crop production, and especially on regional scales. Thus, the main aim of this study was to evaluate th...
Article
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There are limited literature on the impacts of drought on crop yields in warm regions such as southwest China. Drought vulnerability of four different crops (wheat, rice, maize and sugarcane) cultivated in three provinces (Sichuan, Guizhou and Yunnan) within southwest China were investigated in this study. It was based on the drought index of stand...
Article
Timely and reliable water footprint prediction is imperative and prerequisite to mitigate climate risk and ensure water and food security and enhance the water-use efficiency. This study aims to model the Water Footprint (WF) by using the four kernels of Gaussian processes models (Polynomial, Normalized Poly, Radial Basis Function RBF, and Pearson...
Article
Full-text available
Emissions of CO 2 from the soil are the second-largest component of the global carbon cycle, which has altered the climate and led to climate change. The main aim of this research was to evaluate the direct impact of climate and soil management systems on soil carbon emissions. Thus, CO 2 emissions were measured from maize fields located in two dif...
Article
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Background: Soil erosion is a major threat to the natural ecosystem and agricultural sector in the western part of Lattakia Governorate, Syrian Arab republic Arab Republic. The main goals of this research are to investigate erosion risk by using the Coordination of Information on the Environment (CORINE) Model and to prioritize areas for conservati...
Chapter
In the last decade, Syria has witnessed a dramatic change in rainfall patterns. These changes have badly affected vegetation cover and agricultural production. Thus, the aim of this research is to track agricultural drought changes over Syria and to highlight the most vulnerable zones to them. To achieve the study aim, monthly precipitation data ob...
Article
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In Hungary, successive steps have been taken toward adjusting GHG emissions from all sectors on a national scale. However, few studies were carried out to analyze the environmental dimensions of GHG emissions from an economic point of view. In this research, the contemporary changes of GHG emissions between 1985 and 2018 were analyzed using the Man...
Article
Full-text available
In developing countries, where resources are often scarce, land availability, and sustainability for agriculture production is a critical issue. This paper presents an integrated approach to contribute to the process of agricultural land suitability analysis using the Analytic Hierarchy Process (AHP) and Geographic Information System (GIS) methods....
Article
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Agricultural soil pollution has attracted the attention of scientists and agricultural managers because of its importance to food security worldwide. In Syria, limited studies have been conducted to determine heavy metals (HMs) concentrations in arable lands. The objective of this study was to investigate the concentration of HMs in the southern pa...
Article
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en In Hungary, soil plays a fundamental role in agricultural production. The main aim of this research was to track the spatial–temporal variations in certain soil properties (soil organic carbon [So], pH, NO3⁻, P, K, Mn, Zn and Cu) between 2000 and 2010 in 55 different farms in the eastern part of Hungary (Hajdú-Bihar region). Soil data were colle...
Article
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Drought is showing an increasing trend as a result of the significant variation in precipitation and temperature in China. This study investigated the impacts of drought on ecosystem water use efficiency (WUE) in southwest China. The spatiotemporal distribution of drought and ecosystem WUE were analyzed through integrated approaches based on observ...
Article
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In both arid and semiarid regions, erosion by wind is a significant threat against sustainability of natural resources. The objective of this work was to investigate the direct impact of various soil moisture levels with soil texture and organic matter on soil crust formation and evaporation. Eighty soil samples with different texture (sand: 19, lo...
Article
Full-text available
Soil erosion is one of the main threats facing the agriculture and natural resources sector all over the world, and the same is true for Syria. Several empirical and physically based tools have been proposed to assess erosion induced soil losses and runoff driving the processes, from plot to regional spatial scales. The main goal of this research i...
Article
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Soil erosion (SE) and climate change are closely related to environmental challenges that influence human wellbeing. However, the potential impacts of both processes in semi-arid areas are difficult to be predicted because of atmospheric variations and non-sustainable land use management. Thus, models can be employed to estimate the potential effec...
Article
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Olive mill wastewater is one of the environmental problems in semiarid regions. The main goals of this study were to investigate the impacts of different olive mill wastewater levels on durum wheat (Triticum aestivum var. Douma1) production and soil microbial activities (i.e., bacteria and fungi). A pot experiment was conducted during the growing s...
Article
Annual precipitation at 1 km² spatial resolution have been produced over Syria for a referenced period of 1975–2010. The observations from 410 rain-gauges were interpolated over a regular grid by applying multivariate regression models (PSMRM) and local equations for sub-regions of the study area. This statistical method aims to model the influence...
Article
Full-text available
The ecological sustainability of rivers is in question due to severe pollution and lack of stringent regulations. Long term (1990-2016) water quality data of five stations namely Haridwar, Bareilly, Kanpur, Prayagraj and Varanasi of Upper Ganga river, India was considered for analysis using fuzzy analytical process (FAHP) based water quality index...
Article
More and more cultivated coastal territories of Syria are being affected by increasing land degradation processes, specifically, by soil erosion due to non‐sustainable soil management. The use of cover crops can be considered an ideal solution to reduce the negative impacts of extreme rainfall events on soil erosion. However, there is no enough inf...
Article
This study assesses the spatial and temporal characteristics (e.g., frequency, intensity, spatial extent) of meteorological drought in Syria. Specifically, drought was characterized using the observed rainfall data from 36 rain gauges spanning the period between 1990 and 2010 and covering the main climatic regions in Syria (i.e., Mediterranean, ari...
Article
Full-text available
Soils in the coastal region of Syria (CRoS) are one of the most fragile components of natural ecosystems. However, they are adversely affected by water erosion processes after extreme land cover modifications such as wildfires or intensive agricultural activities. The main goal of this research was to clarify the dynamic interaction between erosion...
Article
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At the end of October 2018, a storm of unprecedented strength severely damaged the forests of the eastern sector of the Italian Alps. The affected forest area covers 42,500 ha. The president of one of the damaged regions asked for help from the University of Padua. After eight months of discussion, the authors of this article wrote a consensus text...
Article
Full-text available
At the end of October 2018, a storm of unprecedented strength severely damaged the forests of the eastern sector of the Italian Alps. The affected forest area covers 42,500 ha. The president of one of the damaged regions asked for help from the University of Padua. After eight months of discussion, the authors of this article wrote a consensus text...
Article
Full-text available
The Mediterranean part of Syria is affected by soil water erosion due to poor land management. Within this context, the main aim of this research was to track soil erosion and runoff after each rainy storm between September 2013 and April 2014 (rainy season), on two slopes with different gradients (4.7%; 10.3%), under three soil cover types (SCTs):...
Article
Full-text available
Historically, Hungary has witnessed numerous waves of drought episodes, causing significant agro-economic loss. Over the recent decades, the intensity, severity and frequency of drought occurrence have dramatically shifted, with undisputable upward tendencies across many areas. Thus, the main aim of this study was to characterize drought trends, in...
Article
Full-text available
Soil erosion is one of the major problems that threatens agricultural production and sustainability of natural resources in Syria. More than 85% of Syrian agricultural land is exposed to soil erosion at different rates. The present study estimated soil erosion in the eastern part of Yarmouk Basin in Al-Swida governorate (Southern Syria), by integra...
Article
Full-text available
In the last few years, the agricultural sector in Syria has suffered from major problems related to land degradation. To cope with this problem, a land suitability assessment has become an essential tool for sustainable land use management. The present research qualitatively evaluated the suitability of land in the Al-Yarmouk Basin (S-Syria) for ra...
Article
Full-text available
The main objective of this study is to predict soil erosion in the Lattakia Governorate (W Syria) using the Water Erosion Prediction Project model (WEPP) and to compare the result with that of the RUSLE. Field survey and data collection were carried out, and 44 soil samples were analyzed. In addition, all the necessary input files were prepared for...
Article
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As non-renewable natural resources, restoring Syrian soil quality is a vital issue for sustainable future planning after conflict ends. The data provided in this research exhibit features and physiochemical properties for soils from the southern part of Syria until the Jordanian border, which can provide decision-makers with sufficient information...
Article
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Background Recently, many parts of Hungary, as well as central Europe, have been hit by successive extreme climatic events. The main aim of this research was to analyze hydrological and agricultural drought episodes in the Debrecen Region in eastern Hungary from 1950 to 2010. Thus, data of monthly precipitation were collected and tested. After that...
Conference Paper
Full-text available
The overall aim of this research was to predict future carbon dioxide (CO2) emissions from different sectors in Hungary, and then to suggest some mitigation actions regarding the highest predicted increases. Our results indicate that most sec-tors have a remarkable decrease in CO2 emissions. However, the highest emissions of CO2 are predicted to be...
Article
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Soil survey is indispensable for land-use planning in any agro-ecosystem, particularly in coastal ecosystems because they often face several environmental problems such as flooding and water pollution, leading to soil degradation. The data given in this article revealing the common soil types and substantial taxonomy levels in the coastal region of...
Article
Soil is one of the most important natural resources that should be studied and characterized to provide decision-makers with sufficient information for reconstruction plans after the current war. The objective of this study is to describe the main soil orders in Syria and give an overview of their properties. Therefore, more than 150 soil profiles...
Conference Paper
Full-text available
Soil erosion by water is a serious problem in the coastal region of Syria. Annually, a hundred tons of soil are eroded from different ecosystems in the study area. Recently, The USDA-WEPP (Water Erosion Prediction Project erosion model) was widely used to estimate soil loss by water erosion. Unfortunately, detailed studies about the WEPP-model perf...
Article
Full-text available
Drought is one of the natural hazard risks which badly affects both agricultural and socio-economic sectors. Hungary, which is located in Eastern Europe has been suffering from different drought cycles; therefore, the aim of this study is to analyse the rainfall data obtained from ten metrological stations (Békéscsaba, Budapest, Debrecen, Győr, Kék...
Article
Full-text available
The agricultural sector is the second contributor to the worldwide emissions of greenhouse gases (GHGs), as it is responsible for 13.5% of GHG emissions. The main aim of this research is to track GHG emission from the agricultural sector in the EU-27 between 1990 and 2016 in order to determine trends and changes of emission on a country scale. To a...
Technical Report
Full-text available
The forests of 473 Italian Alpine municipalities were severely damaged by a strong wind at the end of October 2018. The affected forest area covers 42,500 ha. The president of one of the damaged regions asked for help from the TESAF department of the University of Padua. 26 international scientists (listed: 25; anonymous: 1) responded to the appeal...
Article
Full-text available
This paper aims to outline the consequences of the Syrian conflict on the land use/cultivated area, yield and production of the main crops: wheat, cotton, and olives. To achieve the study goal secondary data were collected from FAO website. After that the autoregressive integrated moving average (ARIMA) model was applied for the time series analysi...
Article
Full-text available
The trends and variability of climate change were studied through analyzing the trend of change in the annual temperature and rainfall averages during the period (1960-2016) in Al-Sheikh Badr Region by using Normal Distribution and De-Martonne index. The results showed a (-189 mm) linear decrease in the general trend of the rainfall, associated wit...
Conference Paper
Full-text available
Correlation between traits showed that weight of ear with weight of cob, weight of seed in each ear with weight of ear and weight of cob and weight of fresh plant in hectare with stem diameter, outer ear diameter, weight of cob and number of seeds in row has positive correlation together. Also, there is negative correlation between number of seeds...
Chapter
Full-text available
Introduction Climate change resulting from greenhouse gas (GHG) emission (e.g. CO2, N2O, and CH4) has adversely affected ecosystems on a global scale (Qi et al., 2018). Recently, (GHG) emission had accelerated rapidly, with 3.93% and 1.23% in 2013 and 2014, respectively (Lu and Li, 2019). Whereas 10 to 12% of the global GHG emissions originate fro...
Conference Paper
Recently, greenhouse gases accelerating climate change in many parts of the world. Where, extreme weather events including floods and drought become more vigorous. Hungary, which located in the Carpathian region subjected to climate change as well as the rest of the countries. Thus, the main aim of this research was to track the extreme events in H...
Article
In the 21st century, Geographic Information Systems (GIS) have become one of the leading technologies in different sectors for development and planning, particularly in modern agricultural management. Moreover, recent advances in GIS tools and methods have helped decision-makers as well as farmers to find optimal sites for production of different c...
Article
In the 21st century, Geographic Information Systems (GIS) have become one of the leading technologies in different sectors for development and planning, particularly in modern agricultural management. Moreover, recent advances in GIS tools and methods have helped decision-makers as well as farmers to find optimal sites for production of different c...
Conference Paper
This study aimed to analyze the trend of temperature rainfall and drought, during the period (1900-2015) in Syria. Statistical analyses showed a decrease of rainfall, and an increase in temperature, interestingly, the study emphasize a gradual increase of standardized precipitation (SPI) index, which is a good indicator of drought development in th...
Conference Paper
Full-text available
More than 59% of Syrian agricultural Lands suffering from different types of land degradation such as Desertification, Salinization, Soil fertility decline, Wind erosion and Water erosion. Soil water erosion is among of the most threating phenomena affecting the sustainability of Syrian natural resources. Monitoring soil erosion by CORINE model (CO...