Mohammadreza Gharibreza

• PhD
• Deputy Dean of Institute at Soil Conservation and Watershed Management Research

A multidisciplinary study of Bera Lake in Malaysia is presented here, focusing on natural resources throughout the lake’s catchment area and assessing environmental impact. This applied limnology study examines issues relating to land development including soil erosion and nutrient loss in the catchment area, severe pollution of water, sediment res...

The Zohreh River Delta is one of the largest deltaic plains along the northern coast of the Persian Gulf. This delta is located near an international navigation corridor, which is affected by long-term delta progradation. Therefore, the research objectives of this study were to determine the coastal sedimentary processes of the Zohreh River Delta a...

Golestan, a province in the North-East of Iran, is characterized by high coverage of loess deposits. Since 1963, the area has experienced approximately 200,000 ha deforestation due to land-use changes in agriculture and increasing demand for wood. Approximately, 110,000 ha of the clear-cut lands are under dry-farming, mainly for wheat cropping, and...

Rozechai River is one of the tributaries of Urmia Lake (the nrthwest of Iran), which has experienced severe pollution and water level fluctuations in the coastal zone over the past four decades. The present study aimed to assess the ecological risk for aquatic life and human health. Research methods were designed for applying the sediment quality g...

رودخانه سرنی در استان هرمزگان و در حوضه اصلی خلیج فارس و دریای عمان در جنوب شرق میناب واقع شده است و پس از پیمودن مسیری نسبتا طولانی به سد سرنی و ادامه آن به دریا می ریزد. جهت نیل به اهدف این پژوهش، تعداد ۶ نمونه آب از نقاط مختلف رودخانه و مخزن سد سرنی برداشت و به آزمایشگاه ارسال گردید. جهت بررسی پارامتر های مختلف کیفیت شیمیایی آب رودخانه سرنی، ارز...

فرسایش خاک یکی از مشکلات محیطی است که تهدیدی برای منابع طبیعی، کشاورزی و محیط زیست است. د راین پژوهش ضمن بررسی میدانی، با استفاده از مدل تجدیدنظر شده جهانی فرسایش خاک (RUSLE) بوسیله نرم افزار ArcMapv.۱۰ عومل و فاکتورهای فرسایندگی باران، فرسایش پذیری خاک، پوشش گیاهی، توپوگرافی و عملیات حفاظتی؛ میزان فرسایش و هدررفت خاک در حوضه آبخیز رودخانه سرنی مطا...

رودخانه سرنی با طول تقریبی 56کیلومتر در شرق میناب (جنوب ایران) قرار دارد. جهت انجام مطالعات رسوب شناسی تعداد 22نمونه رسوب از کانال فعال رودخانه برداشت شده است که پس از خشک شدن به روش غربال خشک دانه بندی و پارامترهای رسوب شناسی (میانه، میانگین، جورشدگی، کج شدگی و کشیدگی) بررسی شد، که براساس محاسبه این پارامارها، عمدتاً جورشدگی خوب متوسط تا بسیار بد،...

Join Us for a Free Webinar on Isotope Hydrology Hosted by University of Tehran and Iran Soil Conservation and Watershed Management Research Institute! 🌊 Are you passionate about understanding source of water, tracing, and groundwater dating? Curious about the groundbreaking field of isotope hydrology? We're thrilled to invite you to a free webinar...

Forests play a crucial role in soil protection by helping to prevent erosion and runoff and can be highly effective in safeguarding soil. In this study, we evaluated soil erosion using the radionuclide method of 137Cs to examine spatial changes in soil erosion and to assess the impact of forestry projects on soil erosion in the Hyrcanian forests of...

The middle zone of the Hyrcanian forest located in the Mazandaran—Iran has experienced several silvicultural systems in which wood harvesting using clear-cutting, shelterwood, single-selection methods, and reforestation implemented under even- or uneven-aged stands for the past four decades. Studies on their implications led us to apply innovativel...

Watershed management measures present vital services in mitigating the risk of environmental events and conserving existing land uses on a catchment scale. Nevertheless, alongside land uses encroach on their functioning territory, and considerations regarding the failures in their structures and resulting hazards to surrounding areas have not been...

1. Introduction Mechanical properties of most soils alter upon the increase of moisture and saturation. In some soils, certainphenomena appear due to increased moisture. Some of these phenomena lead to major damage in developmentprojects. These soils are called Sensitive soils to water”. The most significant types of these soils are swelled soils,...

Increasing land development projects lead to demand for riverine mining, followed by erosion and deposition. The aim of the research was to assess the sedimentary impacts of mining activities on the Lisar River. The research material comprised environmental, hydraulic, and sedimentary information, mining history, and dimensions. Detailed topographi...

Rivers are the living artery of the watershed. Many factors cause contamination of these vital arteries and threaten the life of the watershed and its inhabitants, such as sewage disposal, dam construction, the entry of agricultural sewage and industrial and service effluents. Therefore, in this study, potential toxic elements As, Cd, Ni, Cu, Cr, P...

The Karun River is the longest (950 km) in Iran and drains a large 65,230 km2 watershed. The river is polluted by the oil and steel industry, municipal and agricultural wastewaters, smelters, and dust storms since oil exploration in 1908. The research objectives purposed to estimate the ecological risk level in the riverine sedimentary environment...

Land-use and climate changes are the most environmental issues in the Hircanian Forest, Northern Iran. Valasht Lake is a mountainous basin desirable for studying sedimentation rates as off-site impacts of environmental changes. The research objective was to quantify the historical trend of sedimentation rate in response to anthropogenic and climate...

Delta lands in the south of the country, while they have potential ecological capabilities and power, are the place of raising environmental issues and problems, especially the spread of dust sources and unemployment of residents. Therefore, this research aimed to prepare and present an environmentally friendly, multi-purpose, and technological mod...

Watershed management measures such as other executive operations have specific functions during the defined lifetime. On the other hand, the protective and developmental nature of many such actions and their interaction with land use emphasize the necessity of determining the specific setbacks. The research aimed to determine the immediate setback...

The Shahin Cyclon is considered one of the most powerful tropical storms that have hit the coasts of Sistan and Baluchistan province in the last 40 years. The motive and purpose of this research were to know the characteristics and effects of this event. The research method was designed to collect data from the sea buoy, and meteorological station...

Karun River is known as the meandering river in low-lands areas (slope 3%) in Iran, where there are 148 active meanders in which a special sedimentary regime is dominated. The processes of erosion/sedimentation and movement and displacement of the river canal are active in more than 50 meanders along with the river, which is more important in the n...

Integrated Coastal Zone Management (ICZM), as a regional management plan in Iran, is based on the conservation, development, and coordination-integration approaches. The conservation approach has focused on identifying and ranking the environmental issues, and presenting the action plan to conserve natural resources and overcome problems. One of th...

The book introduces fallout radionuclides and models developed based on radioisotopes in estimating Erosion/Sedimentation. Currently, the radionuclide technique is one of the most reliable methods of estimating soil erosion and sediment accumulation known (IAEA, 1995), and accurate models are developed for their use. This book includes the general...

Amphibious Science and Technology, 2021, 2(2), 66-85 ARTICLE INFO ABSTRACT Article type: Research article Tangestan shoreline management plan was implemented to protect the physical space and obtain the desired land-use planning. This research was conducted for the first time relying on about 50 environmental, infrastructural, and human characteris...

The present study aimed to reveal correlations between environmental events and geochemistry variation and ecological risks of the coastal Tajan River. Sediment quality indices (Cf, Cd, Er, and RI) were applied to achieve the research objectives based on the concentration of toxic metals (As, Cd, Cr, Cu, Ni, Pb, Zn). The probably effective level is...

Abkenar open water (AOW) has a 35 km² distribution and is the largest part of the Anzali Lagoon in the southern coastal zone of the Caspian Sea. The effects of deforestation in the upstream basin of the AOW were assessed by measuring the rate of sedimentation, sediment contamination, and ecological risk for aquatic life and end-users using radioiso...

In recent years, flooding of rivers has resulted in destructive implications, especially in the coastal areas. Dashtyari coastal plain is located in the southeastern of Iran. The occurrence of destructive floods has led to extensive damage to agricultural facilities, buildings, and residents of the region in recent years. Morphometric factors of th...

Tea plantations cover an area of ca. 31,000 ha in the Central North of Iran. This area, after clearing the original forests more than 50 years ago, became exposed to severe soil erosion. The objective of this study was to assess long-term soil erosion rates in tea farms and to evaluate their soil conservation effect at a whole-of-catchment scale. N...

Rivers, as the living artery of the watershed, have caused its life and have long determined the extent and establishment of civilizations, especially in the coastal plains. The Tajan River in the coastal plain of Sari has been directly polluted by water and sediment resources as a result of industrialization, agricultural development, and towns, a...

Droughts and pressure on soil and water resources in arid climatic condition call for integrated managements of existing resources. In this research, the sustainability of water resources was analyzed and an agricultural land potential assessment and water demand determination model were proposed. The capabilities of the model were illustrated with...

The most important depositional processes in continental sedimentary basins occur in fluvial systems. In this study, sedimentology of Shahrud River and its eastern tributary (Alamutrud River, N Iran) was studied for the first time. The study area is located in the Southern-Central Alborz structural zone which is mostly composed of Eocene volcanics...

برداشت منابع آب زیر زمینی از طریق چاه‌های عمیق و نیمه عمیق انگیزه مضاعفی را در جهت افزایش مصرف منابع آب و توسعه اراضی بوجود آورده است. لذا در سال‌های اخیر برداشت بی رویه منابع آب زیرزمینی حوضه کلیشم به‌ویژه برای مصارف شرب در منطقه خرچک مورد توجه بوده است. از اینرو هدف این تحقیق بررسی اثرپذیری چشمه‌های پایین دست منطقه خرچاک ناشی از برداشت منابع آب ز...

Hendijan Delta is an active sedimentary environment at the north of the Persian Gulf which represents the late Holocene climate changes and tectonic movements. Achieve to evolution trend of Hendijan Delta since the late Holocene was aim of the present research. This purpose was supported by ¹⁴C dating method and surveying of paleoshorelines using D...

The Assaluyeh and Bassatin estuaries are located in Nayband Bay in the northern Persian Gulf, which faces long-term contamination and ecological risks. The research objectives of this study were designed to assess the ecological risks for human health and aquatic life and to evaluate impacts on environmental changes. Accordingly, an index analysis...

This study was carried out to determine the effects of sewage pollution on the fish assemblages found in the Klang River. Samples were collected between July 2012 and April 2013 with a total of 102 specimens belonging to 5 freshwater fish species, Puntius hexazona, Betta livida, Neohomaloptera johorensis, Parosphromenus harveyi and the dominant spe...

The sorption capacity of Immobilized Typha angustata L. for the removal of metal ions (Fe3+,Pb2+, Zn2+, Cr3+ and Cd2+ ) were studied using batch experiments. The residual metal ion concentrations were investigated using AAS. The influence of factors such as contact time, initial concentration, ionic strength pH and temperature were investigated. Th...

Bera Lake is the largest natural fresh water reservoir in Malaysia. It has vital environmental and ecological importance for human and wild life. Nevertheless, water quality of this lake has been degraded during the last few decades due to land development projects at catchment area. Therefore, a comprehensive water quality assessment of Bera Lake...

The roughness coefficient is function of physical characteristics of flow, such as water depth, velocity, type and density of vegetation coverage. Impact assessment of vegetation coverage on flow roughness coefficient and trapping of sediment in experimental condition were the research aims. The research tests were conducted in different water disc...

The Coastal Makrn (CM) is the outermost part of the Makran zone, which is one of few intact areas to study the evolutionary trend of raised beaches and also to estimate the rate of coastal progradation since the late Holocene. The Makran zone is an accretionary wedge that has formed by the subduction of oceanic crust of Arabian Plate under the Eura...

The Coastal Makrn (CM) is the outermost part of the Makran zone, which is one of few intact areas to study the evolutionary trend of raised beaches and also to estimate the rate of coastal progradation since the late Holocene. The Makran zone is an accretionary wedge that has formed by the subduction of oceanic crust of Arabian Plate under the Eura...

Iran is well known for having countless historical and instrumental records of tectonic events. Shahriary catchment, as a study area, is part of the Zagros collision seismic province. This research aimed to introduce a new method which is useful in identifying the relative active tectonic events of an area. The research method was designed in orde...

Bera Lake is the largest natural fresh water reservoir in Malaysia. It has vital environmental and ecological importance for human and wild life. Nevertheless, water quality of this lake has been degraded during the last few decades due to land development projects at catchment area. Therefore, a comprehensive water quality assessment of Bera Lake...

This study was conducted to investigate the chemical speciation of dissolved and particulate elements (lead, zinc, copper, chromium, arsenic, and tin) in the mining wastewater of a former tinmining catchment. The speciation patterns of dissolved elements were estimated by an adsorptive stripping voltammeter (ASV), while particulate elements were an...

Soil and sediment management plan is important part of an applied limnology in order to mitigate soil erosion and sediment delivery to the sink areas. This chapter is addressed some management practices for approaching sustainable land use scheme and soil and lake conservation. Further, it aimed to achieve sustainable planning regulation for assess...

The Bera Lake basin is a lacustrine mire system and the largest natural lake in Peninsular Malaysia. Three cores were collected from the lake sediment column in order to assess Bera Lake sediment quality and ecological risks for aquatic life and human health. An index analysis approach (Cf, Cd, Er, and IR) and the fallout 210Pb and 137Cs radioisoto...

The comprehensive view of applied limnology comprises catchment area and lake. Therefore, this book represents characteristics of Bera Lake in scale of watershed and lake area. The total catchment area is 593 km2 with the area of cleared land, rubber and oil palm plantations covering some 340 km2. The remaining area is covered by wetlands and reed...

The catchment of Bera Lake in Pahang State, Peninsular Malaysia has experienced severe land use changes since 1972 with some 340 km2 (out of a total area of ~600 km2) having been converted to oil palm and rubber plantations and in some places, newly cleared for monoculture. The proportional model using the 137Cs radionuclide was recognized as being...

The evolutionary environmental history of Bera Lake was studied using the fallout radioisotopes137Cs and 210Pb. 317Cs horizons in the all ten studied cores showed a constant rate of 210Pb supply along all distinctive layers in each core. The lithology of layers significantly affected the variation of 210Pb value with depth. The chronology of Bera L...

A multidisciplinary study of Bera Lake in Malaysia is presented here, focusing on natural resources throughout the lake's catchment area and assessing environmental impact. This applied limnology study examines issues relating to land development including soil erosion and nutrient loss in the catchment area, severe pollution of water, sediment res...

The catchment of Bera Lake in Pahang State, Peninsular Malaysia has experienced severe land use changes since 1972 with some 340km2 (out of a total area of ~600km2) having been converted to oil palm and rubber plantations and in some places, newly cleared for monoculture. The proportional model using the 137Cs radionuclide was recognized as being t...

The evolutionary environmental history of Bera Lake was studied using the fallout radioisotopes137Cs and 210Pb. 317Cs horizons in the all ten studied cores showed a constant rate of 210Pb supply along all distinctive layers in each core. The lithology of layers significantly affected the variation of 210Pb value with depth. The chronology of Bera L...

The efficacy of the biosorbent coconut hust (Cocos nucifera) was tested for the removal of lead, copper, zinc, and nickel metal ions using batch experiments in multimetal solution system under controlled experimental conditions. It is found that metal sorption increases when the equilibrium metal concentration rises. At highest experimental solutio...

Development of desalination technologies has been identified as vital to fulfilling future water demand. In this research, composite membrane with polyvinyl alcohol (PVA) as separating layer material while cellulose acetate (CA) and polyethylene glycol (PEG) as supporting layer material were used. In the present research work, the synthesis and cha...

Lake Bera is the largest natural lake in Peninsular Malaysia and was designated as its first RAMSAR site in 1994. The lake has a total catchment area of 593.1 km2, although approximately 340 km2 of the original tropical rain forest cover has been converted to oil palm and rubber plantations since 1972. Research was conducted to determine the soil n...

Bera Lake is known as the first RAMSAR site and is the largest natural lake in Malaysia. Sediment quality guidelines (SQGs) and Geoaccumulation index were used to evaluate Bera Lake sediment contamination. Five undisturbed cores were collected from Bera Lake sediment. Major and trace levels of elements were determined for 132 subsamples using an in...

The present study evaluated the proximate composition of Haloxylon salicornicum plant collected from Cholistan Desert, Pakistan. Total 125 plant samples (stem and leaves) were collected from ten different locations in the area. Collected samples were washed, dried, ground and sieved through 20 mm mesh sieve. The powdered samples were analysed for c...

The Bera Lake basin is a lacustrine mire system and the largest natural lake in Peninsular Malaysia. Three cores were collected from the lake sediments in order to assess sediment quality and ecological risks for aquatic life and human health. An index analysis approach (C f , C d , E r , and IR) and fallout 210Pb and 137Cs radioisotopes were appli...

This study was conducted to investigate the chemical speciation of dissolved and particulate elements (Pb, Zn, Cu, Cr, As and Sn) in the mining wastewater. Speciation patterns of dissolved elements were estimated by adsorptive stripping voltammeter while particulate elements were analysed using a newly developed sequential extraction leaching proce...

This research provides an approach for designing a constructed wetland system for treatment of tin contaminated wastewater from mining catchment. Initially, physico-chemical characteristics and concentration of heavy metals in the soil and ponds were evaluated. It was found that the soil and water quality of the area is highly degraded. This study...

Geometrical parameters and river morphology are the main properties of each river which are used for river training, management and protection projects. So approaches to estimate these characteristics of Zohreh River are the main scopes of this research. Zohreh River as one of the permanent river of Persian Gulf basin has 64 km length in Hendijan d...

The degree of contamination by heavy metals in soil and transfer to plants has been studied. Specimens of plant species from five locations were sampled with their corresponding soils. Thirty six plant species including two shallow water aquatic plants were identified. It was found that metal concentration in soil was highly variable while concentr...

Chabahar Bay is located along the coast of Sistan province in SE Iran. This area is part of the coastal Makran zone (one of the geological zones of Iran), which had undergone sea-level changes along the Late Quaternary. Due to these processes, multiple sedimentary sequences and several paleoshorelines were created. In this investigation, by using t...

Chabahar bay is located along the coast of Sistan province in southeast of Iran. This area is part of coastal Makran zone (One of the geological zones of Iran), which had undergone sea level changes along the late quaternary. Due to these processes, multiple sedimentary sequences and several paleoshorelines were created. In this investigation, by u...