Mohammad Khosroshahi

Research Institute of Forests and Rangelands · Desert research devision

Background and objectives Wind erosion and dust phenomenon are considered as one of the important processes of land degradation and a serious challenge in Iran. This phenomenon occurs due to the interaction between weather and terrestrial processes. The purpose of this research is to investigate and analyze the trend of temporal and spatial changes...

Background and Objective: The history of using American mesquite (Prosopis juliflora) for desertification control especially sand stabilization in Iran, is long. Considering the non-native nature of this species, attention should be paid to its ecological requirements, especially water needs or evapotranspiration (ET). This can contribute to the s...

Background and objectives Research has been done on different materials to control and reduce wind erosion. Among them, we can mention the performance of agar gum biopolymer in reducing dust production at different concentrations of 0.5, 1.0, and 1.5%. Its results showed that the addition of biopolymer improves the water-holding capacity, increases...

The Salt Lake Basin is one of the largest and most important basins in central Iran, and in recent decades, numerous climatic and human factors have led to significant changes in its environmental condition. In this study, an attempt is made to determine the process of physical changes of the Salt Lake in a period of 20 years with the help of remot...

One of the problems of the implementation department in the category of biological restoration of the edge of deserts is the lack of species diversity that is compatible with the existing conditions and how they are established. The natural capabilities of the wetlands of Kashan Salt Lake were identified during a research project under the title...

Land cover change has become one of the main challenges as a result of synergistic interaction between negative effects of climate change and human activities. In this study, land cover changes in the Hendijan Basin with a focus on the impact on dust sources located in Khuzestan province were investigated. Areas of forests, rangelands, woodlands, w...

Climate change and desertification caused increases in sandstorms and sand movements due to the erosive force of the wind. Wind erosion is a phenomenon depending on the climatic components and surface roughness in arid and semi-arid regions responsible for health and economic loss. The phenomenon is controlled by increasing the resistance of soils...

Extended Abstract Introduction: As one of the most significant and sensitive landforms to wind erosion, sand dunes vary in their extent of activities based on the influence exerted on them by various climatic and terrestrial factors. The study area comprises a Busher province’s county located in southern Iran, where sand dunes activity causes great...

Background and Objectives: Drought and dust are serious atmospheric hazards that have affected the western and southwestern parts of Iran in recent years due to various reasons. Since numerous droughts have had a detectable impact on occurrence and severity of dust, therefore, related studies are considered important. The purpose of this study i...

The purpose of this study is to evaluate the effect of climate change on the occurrence of dust in Ghazvin province. In order to study climate fluctuations, average rainfall parameters, relative humidity, potential evapotranspiration, temperature, relative humidity, average wind speed and wind speeds greater than 6 m / s in the period 2006-2016 wer...

The destructive phenomenon of desertification, in addition to land degradation, and causing environmental problems and dust events, exert great damages to human societies such as damage to transmission lines, and blockage of roads and railways. Various mechanical, chemical, and biological methods have been proposed to deal with desertification. Rec...

Extended Abstract Introduction: Climatic components are the vital factors influencing the dust event. It was believed that changes in climate parameters play a crucial role in the occurrence of dust events. Former studies have shown that temperature, rainfall, and wind speed contribute to poor vegetation, providing requirements of dust events. Long...

In this study, according to the objectives and implementation method, climatic factors affecting the dust phenomenon in active meteorological stations in Tehran province for a period of 30 years were studied and analyzed. The results showed that in Mehrabad meteorological station, temperature, humidity, rainfall, evaporation factors were directly r...

Aims: The climate change consequences are more severe in semi-arid regions in drought, desertification, and dust occurrence. This study aimed to investigate the effects of climatic changes on dust occurrence and sand mobility in Kermanshah Province, Iran. Materials & Methods: The meteorological stations from 1992 to 2017 were selected within Kerman...

Drought is one of the most important natural disasters that threaten human societies. Various indices are employed for drought monitoring. The purpose of this study is to evaluate and monitor the drought phenomenon based on two indicators of standardized precipitation (SPI) and standardized precipitation-evapotranspiration (SPEI) in Hormozgan provi...

In recent decades, dust storms have intensified due to climate changes, including drought and human interventions. In addition to removing soil particles, dust brings storms bring about severe economic, social, and health problems. Due to its strategic conditions-including its status as an industrial and agricultural hub and the province hosting mo...

In order to control dust and sand storms in Sistan region, ecological and socio-economic resources data, including climate, geology and geomorphology, soil and land resources, erodibility and vegetation cover of Sistan Hamoun were collected in landscape scale. Land mapping units was prepared by overlaid geomorphological, soil, erodibility and veget...

Introduction: In the last decades drought has become one of the natural disasters with most relevant impacts happened in Iran. Although rainfall is a major indicator of the availability of water, temperature is also an important factor that can influence the availability of water as it controls the rates of evapotranspiration. Parameters such as ra...

In recent years, the outflows from the Karun Basin, especially in the interior of Khuzestan province, have decreased significantly. This study aimed to investigate the effect of climatic factors and drought on the inflow and outflow of the Karun basin in two parts (basin area inside Khuzestan plain and basin area outside Khuzestan plain). The resul...

Desertification is a serious threat in arid and semi-arid regions. In recent years, along with climate change and population growth, the increasing trend has intensified. Therefore, mapping the potential of desertification intensity has been considered as one of the goals of planners in the management of desert areas. Due to the applicability of su...

Sandstorms are natural events that occur in arid and semi-arid regions of the world, especially in subtropical latitudes. The vastness of deserts around the world indicates that these areas have been important sources of dust storms throughout history, but in recent years, human activities have also created another source on the edge of deserts in...

In recent years, Khuzestan province due to drought and improper management of water resources has been faced with the intense concentration and longer durations of dust storms. These dusts are mostly related to the internal origin which is the result of the drying up of the floodplains and wetlands in the province. To combat this phenomenon, which...

Sand dunes are one of the most dynamic geomorphic features of the earth's surface. Accordingly, identifying the factors affecting the mobility of sands and predicting their future status is essential to control dust. The study area was selected due to the location of Sabzevar city in the busiest railway line of the country, and the condition of san...

Drying of wetlands due to various climatic or human factors can lead to increased dust activities. When a wetland dries out, the salts that settle in it become sources of dust. Wetland fine-grained sediments with air velocity less than the erosion threshold due to small diameter and large volume enter the air streams and are dispersed in the air. A...

Background: Biological soil crusts (BSCs) that are able to produce sticky extracellular polymeric substances (EPS) play an important role in the formation of soil aggregates, thereby, reducing soil erosion. In this study, experiments were undertaken to identify biocrust species that produce EPS, in order to combat desertification in the Sejzi deser...

Wind erosion and dust are two different aspects of the same situation. They are the consequences of desertification, which their harmful effects in terms of health, environment and economy have become one of the important regional and global challenges especially in arid and desert areas. In this regards, Iran and especially Kerman province have hi...

Biological soil crusts play an important role to improve soil structure, aggregate formation and soil stability by increasing organic carbon. Aggregate stability determines its resistance to soil erosive agents. In this study, due to the severity of soil erosion of Sejzi plain of Isfahan province, the role of biological crusts as a soil erosion c...

Improving vegetation cover in arid and semi-arid regions can be controlling desertification and the production of cellulosic materials by afforestation, in these circumstances, human survival and habitat, as well as wildlife, also provided too. Along with choosing the suitable, ecological needs must be considered. Many forest species can by differe...

Biological soil crusts are a collection of lichens, mosses, fungi, cyanobacteria, etc. that are part of the soil ecosystem. Estimation of density and distribution of biological soil crusts in arid and semi-arid regions of Iran, which is the subject of soil erosion and wastage is very important. Methods based on remote sensing techniques are importa...

Dams, as massive hydraulic structures, widely affect the flow of rivers downstream. Assessment of the extent of this impact is one of the most important issues in flood control research. In the present study, the annual and flooding trends of the Jarahi River and the relationship of these changes with the establishment of Maroon Dam was investigate...

Wind erosion and the movement of quicksands are considered as one of the important processes of land degradation and a serious challenge in Iran. In this study, an attempt was made to estimate the frequency of dust days in synoptic stations of Semnan province by considering the weather conditions. Also, the activity of sand dunes based on Lancaster...

To replace oil mulches, this study examined the effect of degradable non-oil mulch under the brand name Nucleus (MA-19). This research assumed that the application of the mentioned mulch in biological stabilization projects has no adverse effects on seed germination and seedling growth. The effect of mulch was studied on the establishment of Haloxy...

Barren ground and sites with low coverage by vegetation (e.g., dunes, soil surfaces, dry lakes, and riverbeds) are the main source areas of sand and dust storms (SDS). The understanding of causes, processes (abrasion, deflation, transport, deposition), and influencing factors of sandy and dusty particles moving by wind both in the boundary layer an...

This study aimed to evaluate the performance of multivariate adaptive regression splines (MARS) and extremely randomized trees (ERT) models for predicting the internal and external dust events frequencies (DEF) across the northeastern and southwestern regions of the Gavkhouni International Wetland. These models were also evaluated to model the inte...

The first climatic factors affecting the phenomenon of dust and fine dust are collected, reconstructed, extended and completed in the form of DSI (Dust Storm Index) and Lancaster in Mehrabad meteorological station of Tehran was studied and analyzed. The results showed that in Mehrabad meteorological station in terms of temperature in 1992 the low...

Wind erosion and sand dunes mobility has adverse environmental consequences. Identification of factors affecting sand dunes mobility and predicting their future status is essential to control the desertification process. Therefore, in the present study, the mobility of flowing sands in the southeast of Qazvin province has been studied and analyzed....

Dust storm become a widespread problem in numerous arid and semi-arid countries of the world. The main aim of this study is to identify the areas susceptible to high dust concentrations, investigating a number of factors affecting its formation (including wetland drying and soil moisture) and their coherence with synoptic factors (including climate...

Iran's location on the arid world belt, the occurrence of climate change, global warming and the increased in human interference have resulted in dust storms phenomenon in the western and southwestern parts of the country, especially in Khuzestan province. The present study has been aimed at investigating the existing water resources of the provinc...

Introduction: Due to the detrimental consequences of the application of stabilizers such as mulch and other protectives on the soil surface, including the wafting of bad smell, blackening of the ground, increasing thermal coefficient, warming of the whole area, and even destruction of plants and their unsustainability in nature, wide use of such st...

Drought is a natural and inseparable part of the climate and can occur in any climate region, desert or even forest. Drought is the most common natural disaster and is the most expensive natural disaster due to its gradual effects. Drought can endanger agriculture, food security, hydropower and industry, human and animal health and livelihood secur...

Background and Objective In recent years, the crisis caused by dust in the southeastern regions of the country has been one of the natural-human events affecting the daily lives of citizens and the economy of the region. Increasing access to various data processing sources has expanded dust modeling at various levels, including local, regional, and...

Climate change is responsible for changes in the world's vegetation. This study was aimed to investigate the effect of long-term variations in the air temperature , precipitation, and dust concentration on normalized difference vegetation index (NDVI) variations in the spring, summer, and growing season over arid regions of Iran. The results showed...

Sand dunes are one of the most important and sensitive wind erosion susceptible landforms whose activity varies depending on the severity of the impact of various climatic and terrestrial factors. Long-term monitoring of these factors, along with the mobility status of sand sands in different areas, can have a significant effect on reducing their a...

The occurrence of wind erosion and the spread of dust particles can be regarded as one of the most important and threatening environmental factors. Climate change and the frequency of droughts have played an important role in exacerbating or weakening these events. The primary objective of the present study was to investigate the trend of changes i...

Climate change is responsible for changes in the world’s vegetation. This study was aimed to investigate the effect of long-term variations in the air temperature, precipitation, and dust concentration on normalized difference vegetation index (NDVI) variations in the spring, summer, and growing season over arid regions of Iran. The results showed...

Due to considerable effects of gully erosion on land degradation, it is the one of the serious kind of water erosion and thereby more costly control. This objective of this research was to determine some environmental thresholds of gully erosion which conducted in the Kermanshah province, Iran. The results explored that, there are significant diffe...

Gavkhuni wetland has faced numerous changes in its dry and humid surface due to some climatic and human factors in recent decades. This study aims to investigate the role of drought in producing and intensifying dust phenomena in the center and surrounding areas of Gavkhuni wetland. The physical changes of the wetland are first determined using rem...

Atmospheric conditions and physical characteristics of the earth surface have an important effect on the spa-tiotemporal variations of sand-dust events. The main objective of the present study was to investigate the effect of these variables on the seasonal variation of these events in semi-arid regions of Central Iran Zone (CIZ). The Ridge Regress...

Water quality, as its quantity, is one of the most important determinant factors for its application in various uses. Physical and chemical properties of water play an important role in categorizing and evaluating water quality. With the aim of detecting the water chemical quality of Gupal river in the south of the country and studying its annual c...

Considering the importance of groundwater resources in the country, the study of hydrogeological droughts and effective factors on groundwater drawdown is essential to provide management solutions of these vital resources. Therefore, the purpose of this study is to analyze the trend of groundwater variations and assessment of groundwater drought in...

Dust, considered as one of the important causes of land degradation, covers extensive areas of the west part of Khorasan Razavi Province. Much of the dust can be stabilized with a type of vegetation, which depends on climatic factors mainly wind power and rainfall. Changes in these two factors affect other factors such as temperature, evaporation,...

Considering the importance of groundwater resources in the country, the study of hydrogeological droughts and effective factors on groundwater drawdown is essential to provide management solutions of these vital resources. Therefore, the purpose of this study is to analyze the trend of groundwater variations and assessment of groundwater drought in...

Dust, considered as one of the important causes of land degradation, covers extensive areas of the west part of Khorasan Razavi Province. Much of the dust can be stabilized with a type of vegetation, which depends on climatic factors mainly wind power and rainfall. Changes in these two factors affect other factors such as temperature, evaporation,...

Atmospheric conditions and physical characteristics of the earth surface have an important effect on the spa-tiotemporal variations of sand-dust events. The main objective of the present study was to investigate the effect of these variables on the seasonal variation of these events in semi-arid regions of Central Iran Zone (CIZ). The Ridge Regress...

In this research, the changes in groundwater table and the volume of water reservoirs of the Kuhpayeh Segzi and southern Mahyar aquifers during the years ۱۹۸۱-۱۹۸۲ to ۲۰۱۲-۲۰۱۳ were investigated. For this purpose, the average level of aquifers' water table was calculated using the Thiessen method. The mean values of the groundwater table obtained f...

Wetlands in arid and semi-arid regions play a vital role in the region's ecosystem. Drying of wetlands can be caused by natural factors; Decreased rainfall, increased temperature, increased evaporation, drought and human factors; Reduce discharge in order to exploit water in agricultural networks and maintain it in upstream. In order to investigate...

Jazmurian basin in the southeast of Iran is one of the most important and vital basins. Due to the lack of surface water resources and placing in the priority of use this basin is faced with a sharp decline in the level of underground aquifers. The aim of this study was to identify the factors affecting groundwater resources and predict the groundw...

Due to vast desert area in Iran, wind regime studies are important for the railway safe design as well as aeolian sediment transport. In this study wind regime and sand drift potential (DP) were calculated with Fryberger method in nine meteorological stations located near to the Qom – Tehran railway (178 km). For this reason, hourly wind speed and...

Wetlands are one of the most important natural ecosystems that due to climate changes and recent droughts, their moisture levels have been reduced. The purpose of this study was to investigate the relationship between the Standardized precipitation, drought index (SPI) and Standardized precipitation-evapotranspiration index (SPEI) with mean values...

Wetlands are one of the most important natural ecosystems that due to climate changes and recent droughts, their moisture levels have been reduced. The purpose of this study was to investigate the relationship between the Standardized precipitation, drought index (SPI) and Standardized precipitationevapotranspiration index (SPEI) with mean values o...

Given the 120-day winds and dust problem in the Sistan area, one of the most important influencing factors in dust phenomenon is the flood events, flood levels, and effects on Hamoons' water surfaces changes over time. In this study, to monitor the changes in water surface in the Sistan Hamoons during recent floods (February 2019 to April 2019), th...

The main source of dust in the atmosphere is dust storms in desert areas .One of the main causes of increased activity of sand and dust storms in most parts of the world, including in Iran, is the recent drought. One of the areas that suffers a lot of social and economic losses from this phenomenon is Yazd province, which is located in the center o...

Introduction: Groundwater is the only major source of water for drinking, agricultural and industrial purposes in the Marand city, and its vital importance makes sure that its quality is seriously considered. With qualitative zoning, the process of underground water quality changes is determined at any time, place, and condition. It is possible to...

Khuzestan is the largest source of internal dust in the country. Ahvaz dust is not a new phenomenon, and what made it to a major environmental problem, is the increase in occurrence of critical conditions due to internal sources of dust. In order to identify the role of the internal recoil center on the creation of critical conditions, daily data o...

Precipitation temporal trend analysis and study of the drought condition have been of great concern during the past century because of the attention given to global climate change by the scientific community. The aim of present study was to investigate and analyze the rainfall trends and its affected drought conditions in Jazmurian basin using non-p...

Jazmurian basin in the southeast of Iran is one of the most important and vital basins. Due to the lack of surface water resources and placing in the priority of use this basin is faced with a sharp decline in the level of underground aquifers. The aim of this study was to identify the factors affecting groundwater resources and predict the groundw...

As one of the most important natural disasters “drought” is a phenomenon, which has an important impact on water resources, natural ecosystems and human societies conomic, social, political and cultural from the point of view. Therefore, it is essential and inevitable to create a proper management system based on the recognition of the drought char...

Desertification, land degradation and dust storms in many regions of Iran, especially in Khuzestan province, have caused many problems for agricultural lands, population centers and industrial areas. Most of the mentioned problems in Khuzestan province are caused by dust storms origins from bordering countries such as Iraq, Syria and Saudi Arabia....

Wind erosion is one of the most serious problems in the Sistan region, located in the East of Iran and near the border of Afghanistan. During the dry and hot seasons, strong winds locally called the “Sadobist Roozeh”, which means “120 windy days” blow from Northern and Northwestern directions to the Southeast. This wind entrains and transports dust...

The study of environmental conditions is one of the most important measures in the field of reforestation. The present study was undertaken to assess the environmental status of the mangrove forest of Alibaug, Maharashtra, India with respect to different sixteen physicochemical parameters of water using Geographical information system (GIS) for reh...

Proper management of natural ecosystems is not possible without the knowledge of the health status of its components. Vegetation, as the main component of the ecosystem, plays an important role in its health. One of the key determinants of vegetation health is its resilience in the face of environmental disorders. This research was conducted in par...

So far, different statistics have been presented for the area of deserts in the world and Iran by individuals and organizations. The reason for this difference is mainly due to the disagreement among experts in providing a comprehensive definition of desert and factors affecting its formation. In this paper, the factors of natural environment, such...

Climate conditions and unbalanced development outside of tolerance of natural and ‎environmental resources have left many parts of the country with biological and socio-economic ‎threats. In this regard, today the environment and natural resources of the country are in a ‎worrying situation. The decline of oak forests in the west of the country and...

For years, many researchers and experts particularly in Iran have been trying to find suitable matters as an alternative to bituminous mulch for fixing sand dune system or slack soil bed. One of the advantages of bituminous mulch is the plasticity and elasticity behavior while fixing sand but many researchers believe that it is environmentally harm...

‎1. Background‎ Working Party 1.01.13 and the IUFRO Working Group 1.06.00 co-organized the ‎Business Meeting on “Forest and Landscape Restoration Mechanism (FLRM) for ‎developing the next phase of the current project in Northeast and Central Asia” ‎during the IUFRO-AO Congress held in Beijing in October 2016. At the Meeting, the ‎experts from CA co...

Negative impacts of gully erosion in marly areas are severe due to improper landuse practices such as irrigation, tillage, overgrazing and degradation of vegetation cover. The objective of this research was to evaluate gully thresholds related to plant vegetation cover and landuse change in the Agriculture (AG), Fair Rangeland (FR) and Weak Rangela...

Lack of attention to the laws of nature reflects the situation we are facing today in the field of natural resources and the environment. Air pollution in cities, wind and water erosion in natural landscapes, water crises and severe aquifers, land subsidence, increasing degradation of rangelands and forests, widespread salinities and deserts, and e...

The phenomenon of climate change is a global phenomenon that affects all the inhabitants of the planet in some way. The effects of these changes are visible in decreasing rainfall, increasing temperature, snow line shifting, changing seasons, floods, droughts, threatening food security and degradation of basic production resources. The purpose of t...

In this study, the impact of climatological parameters and land use on water yield of the watershed was investigated. Therefore, the trend of climatological parameters (precipitation and temperature) and stream flow discharge were studied monthly, quarterly and annually at the stations located inside and near the watershed using Mann- Kendall test....

Due to the limited water resources and low rainfall, finding proper solutions to reduce the water consumption for vegetation production in natural areas has received attention more than ever before. For this purpose, this research was aimed to investigate the effects of superabsorbent polymer and Plantbac panels on the efficient use of water on Sax...

Wetlands in the central Iran lakes are considered as part of desert ecosystems and their destruction leads to adverse consequences. In central part of Iran, climatic and human factors have created significant differences between dry and wet surfaces of Gavkhooni wetland in recent decades, leading to produce more dust in central part of Iran. The ai...

The phenomenon of climate change is a global phenomenon that affects all the inhabitants of the planet in some way. The effect of these changes in reducing rainfall, increasing temperature, shifting the snow line, changing seasons, floods, droughts, pest outbreaks, threats to food security and destruction of basic production resources can be seen....

Wetlands as one of the most important and most valuable natural ecosystems in the world play an important role in filtering pollutants and reduce dust, creating a favorable microclimate, biodiversity and genetic and organic materials reservoirs. In central part of Iran, climatic and human factors have created significant differences between dry and...

Satellite images and geographic information system (GIS) are important data resources for the dynamic analysis of landscape transformations. The application of these data made possible to monitor the changes in different land uses in less time, at low cost and with better accuracy. In this study, Lesu dna/ Land cover changes was investigated using...

One of the basic strategies for floods control, is identify and spatial prioritization of flood prone areas ‎within a watersheds. However, several methods have been introduced to identify flood generation areas, ‎but in recent years a new method called "Successive Single Sub-watershed Elimination (SSSE)", is used ‎to identify sub basins that contri...

Nowadays, wind erosion and dust have become environmental problems, not only in desert areas, but throughout the entire country, which have imposed many costs on the country budget. Combating wind erosion in many deserts using adapted plants and oil mulch has 40 years history. But the widespread use of petroleum mulches in addition to environmental...

بيابان اگرچه به عنوان يك فضاي جغرافيايي و يا يك بيوم از بيومهاي زيست كره (بيوسفر) شناخته می شود ولی آنچنانکه باید تا کنون ‏مفهوم ويژه جغرافيايي خود را كسب نكرده است. به همين دليل، اغلب اهل فن در توصیف، تعریف، تفکیک و تعیین حد و مرز آن اشتراک ‏نظر کاملی ندارند و در نتیجه آمار و ارقام ارایه شده توسط افراد و سازمانهای مختلف در مورد مساحت بیابانها متفا...

Current data for the Iranian desert area are derived from the statistics published by the Forests, Rangelands, and Watershed Organization. It should be noted that these statistics have no scientific basis since what has been presented about the area of deserts is merely related to the desert phenomena and facies, discussed in geomorphology. While,...

Lack of a comprehensive and convergent view of biological resources in policy-making and decision-making processes is considered as one of the important and influential factors in intensifying the phenomenon of desertification and land degradation. Unauthorized drilling of thousands of deep and semi-deep wells has caused many of the country's plain...

Althought several factors were formed desert but role of vegetation that is reflect of natural environment condition is important. On the other hand, vegetation shows common effect of natural factors. With due consideration to vegetation role in identification and recognition of desert zone, in this study Yazd province deserts area in this view was...

Wind and dust erosion is one of the main challenges of the Sistan Plain, which is located in eastern Iran and adjacent to Afghanistan. With the onset of summer, 120-day winds from north to northwest from the bed of the dry lakes of the Sistan Hamuns, disperse wind sediments into the atmosphere and affect the Sistan plain, southern Afghanistan, nort...