Seyed Hamidreza Sadeghi

• Professor
• Professor (Full) at Tarbiat Modares University

This study investigated the zoning of Sub-Watersheds (SWs) in the Taleqan Watershed of Alborz regarding Sediment Generation Potential (SGP) using the Multi-Criteria Decision-Making (MCDM)-based Best-Worst Method (BWM). The BWM approach was employed to prioritize the SWs. To this end, Principal Component Analysis (PCA) assisted in identifying the cr...

In this paper we introduce HOTSED, a novel, innovative GIS-based model designed for assessing potential hotspots of sediment dynamics at watershed scale. HOTSED integrates geomorphic spatial information with both structural and functional properties of connectivity. HOTSED provides a single and intuitive output that depicts the location of sediment...

Inadequate resource utilization planning can impose considerable stress on ecosystems. It is essential to assess the health of watersheds and strategically manage the consumption of vital water, energy, and food resources. This study evaluated the impact of implementing the water-energy-food (WEF) nexus on the health of the Pishkuh Watershed in Yaz...

Wetlands represent a crucial category of aquatic ecosystems that face numerous threats, such as increasing population density, alterations in land-use, climate change, excessive extraction of water resources, and inadequate construction of reservoirs. As a result of these challenges, wetlands cannot perform their essential functions, which include...

Identifying the critical areas of flood generation and determining the optimal measures for flood control and management (FCM) is one of the most important basics of watershed management. Therefore, the current study was carried out to prioritize sub‐watersheds (SWs) based on flood generation using physical (Ph‐MA), technical (Te‐MA), comanagerial...

Identifying the critical areas of flood generation and determining the optimal measures for Flood Control and Management (FCM) is one of the most important basics of watershed management. Therefore, the current study was carried out to prioritize Sub-Watersheds (SWs) based on flood generation using Physical (Ph-MA), Technical (Te-MA), Comanagerial...

The state of a watershed is determined by its hydrological conditions, which themselves are dependent on the security of the individual components of the watershed such as economic, social, ecological and infrastructure. While the role of stakeholders in watershed management is vital and their opinions are very effective in management and the asses...

Introduction and Objective: Soil erosion is one of the major types of land destruction, which poses serious problems to mankind. Evaluating the condition and spatial extent of soil erosion has become an important necessity in developing countries. Biological management is recommended as a suitable and efficient way to control soil erosion in the in...

This study aimed to predict the impact of changing hydro-climatic variables and land use changes on the future health status of the Safaroud Watershed, northern Iran. It also sought to explore the significance of hydro-climatic and land use variables in prioritizing sub-watersheds based on the watershed health index. The study involved extracting k...

This study used the Best-Worst Method (BWM) and the Game Theory Algorithm (GTA) to prioritize and determine critical sub-watersheds based on flood generation potential in the Sehezar and Dohezar Watersheds, Iran. The necessary information was collected through semi-structured interviews conducted with stakeholders. Based on their indigenous, techni...

Nowadays, the destruction of watersheds has increased under the influence of various human and natural factors, and the performance of watersheds and the provision of hydrological services have become a problem. Therefore, carrying out management measures, including watershed engineering and biological measures, is a human approach to deal with the...

In the current study, three optimistic (SSP1-2.6), medium (SSP2-4.5), and pessimistic (SSP5-8.5) scenarios were used to examine changes in precipitation based on the sixth phase of Coupled Model Intercomparison Project (CMIP6) in the Gorganrood watershed over two time periods: the near future (2021–2060) and the far future (2061–2100). To do this,...

The watershed health assessment provides a vital roadmap for managers to appropriately focus on hotspots and work on controlling factors threatening soil and water resources and the livelihood of the beneficiary communities. However, the spatial mapping of drought-based watershed health at various managerial scales and using different procedures ha...

Sediment connectivity is a pivotal concept in geomorphological studies aimed at assessing watershed sediment dynamics. It is expressed through the spatial arrangement and physical linkages of system components (Structural Connectivity, SC) and the actual transfer of water and sediments facilitated by dynamic processes (Functional Connectivity, FC)....

The selection of appropriate strategies is required to mitigate drought effects in farmlands. Prioritizing the severity of the water deficit in vineyards is further essential to take early remedial action in the most endangered areas to provide a starting point and sketch out a plan for choosing "the most suitable water resilient management practic...

The conjunct application of various tools, such as collaborative watershed management and strategic planning models, is crucial for monitoring Flood Control and Management Measures (FCMMs). Therefore, this study was carried out with the aim of strategic flood management using collaborative Game Theory (GT) and conjunct application of hydrologic and...

Integrated Watershed Management (IWM) is an essential concept in water resources, soil, and vegetation management emphasizing economic, social, and environmental issues. This study consisted of main and secondary goals. The main purpose of this study was focused on the use of strategic planning models in explaining the IWM. To implement this goal,...

This study examines the hydrological dynamics of the Ticino irrigation cascade in northern Italy from 2004 to 2022. The region, which is shaped by human activity, is characterized by its flat topography and complex management of water resources, featuring a unique historic irrigation cascade. Utilizing the Soil and Water Assessment Tool (SWAT), we...

This study was conducted with the objectives of predicting the effect of changing hydro-climatic variables, predicting the effect of land-use change on the future health status of the Safa-Roud Watershed, and the role of hydro-climatic and land-use variables in the spatial prioritization of sub-watersheds based on watershed health index. To conduct...

The present study investigated the interaction of wind and rain (WDR) on splash and interril erosions under laboratory conditions. The corresponding experiments were carried out with rainfall intensity of 50 mm h − 1 with a duration of 30 min under no-wind control conditions and two wind velocities viz., 3 and 6 m s − 1 at a slope of 12%. The study...

Soil and water loss is one of the most severe kinds of land degradation, particularly in drought-vulnerable regions. It diminishes fertility and increases natural catastrophes, such as floods, landslides, sedimentation, drought, and economic, social, and political issues. The current study explores the efficacy of individual and combination cyanoba...

Watershed health provides an integrated view of the factors influencing the watershed conditions. In the current study, the data length effect on changes in SPI-based watershed health index was evaluated using the RelResVul framework for the period of 1961-2021 in Sahneh, Kermanshah, and Harsin stations in Kermanshah Province, Iran. For this purpos...

1. Introduction Choosing an optimal decision-making method for watershed management is a problem that has always attracted the attention of researchers, and various methods have been used to achieve this goal. Participatory management is a collaborative process to participate in gathering information, making decisions, and carrying out projects tha...

1. Introduction Choosing an optimal decision-making method for watershed management is a problem that has always attracted the attention of researchers, and various methods have been used to achieve this goal. Participatory management is a collaborative process to participate in gathering information, making decisions, and carrying out projects tha...

Human interventions and global environmental changes are increasing and threaten ecosystem services (ES) worldwide. Managing ES is a challenging task; it is essential to understand the temporal and spatial distribution of ES and the benefits derived by a human. However, ES variability in time and space has yet to be studied. Therefore, the current...

Today, watersheds have changed under the influence of various environmental and human factors, and their expected performance has decreased in terms of meeting human needs, providing natural responses, and reducing environmental risks. However, evaluating health status and its impact on various factors has not been given enough attention. To this e...

Introduction and Objective: The present study was conducted to conceptualize and evaluate the health of the Asiabrood Watershed in Chalus Township, Mazandaran Province, Iran. The existing regional data, including climatic, hydrologic, erosion, sedimentation, and economic and social data, were collected and analyzed. In addition, several field visit...

Here, we present and release the Global Rainfall Erosivity Database (GloREDa), a multi-source platform containing rainfall erosivity values for almost 4000 stations globally. The database was compiled through a global collaboration between a network of researchers, meteorological services and environmental organisations from 65 countries. GloREDa i...

Modern soil erosion control strategies and procedures include organic additives and cost-effective, environmentally friendly conditioners. Many challenges involving innovative and often dangerous alterations arising from processes in essential industries, such as refineries and petrochemicals, have gotten less attention. The use of Molecular Sieve...

The soil freeze–thaw process is a transition phase of soil water in cold areas that influences the soil’s hydrological behavior. However, dynamic phenomena and corresponding consequences have yet to be studied adequately. Therefore, the present study was planned to comparatively analyze the effects of a freezing–thawing cycle on the hydrologic beha...

Environmental planning facilitates decision-making to achieve sustainable development goals and provides a crucial way to achieve integrated watershed management (IWM). However, such systematic planning has not been adequately conducted worldwide. Therefore, this study was conducted to develop an IWM framework using SWOT (i.e., strengths, weaknesse...

Assessing the health and security of natural ecosystems is unavoidable to regulate and manage deterioration and prioritize management and conservation activities. As a result, the current study was conducted to assess the health and ecological security of the Galazchai Watershed in Oshnavieh Township, West Azerbaijan Province, Iran, utilizing crite...

The effects of Sub-Watersheds (SWs) on each other can be more important in Flood Generation Potential (FGP). Therefore, the present study aims for prioritizing SWs based on FGP using Multi-Criteria Decision Making (MCDM) Methods including Game Theory (GT), Best-Worst Method (BWM), Analytic Hierarchy Process (AHP), Analytical Network Process (ANP),...

Soil erosion is one of the most common types of land degradation. To provide useful information for proper management, quantitative soil erosion evaluation and identifying influential factors are needed. However, rare studies have been reported on spatial modeling of soil erosion in connection with affective factors to prioritize the locality and t...

The characteristics of raindrops are among the major factors influencing rainfall erosivity. However, the effect of wind blowing on the determining factors of raindrops was not adequately reported. This study aims to measure the characteristics of raindrops under concurrent simulation of rainfall and wind using image processing at different wind ve...

Climate change and anthropogenic activities, as two key important factors, cause remarkable changes in hydrological processes. Accordingly, in this study, the runoff coefficient index, a developed hydrologic regime method and the relative change approach were applied to distinguish the importance and contribution of each factor in runoff changes. A...

Exploring spatial and temporal land-use changes is valuable for local governments to address issues of sustainability and planning policy where urbanization and industrialization are taking place. Besides anthropogenic effects, natural driving forces like climate change may also affect sustainability. However, such relationships have not been studi...

Assessment of the watershed health and associated ecological security is crucial for the proper land resources management, notably when sufficient money and time have lacked. The present study aimed to prepare health and ecological security for the Pishkuh Watershed in Yazd Province, central Iran. To prepare the health atlas of the Pishkuh Watershe...

Numerous factors, such as the occurrence of climate change and severe droughts, affect the ability of watersheds to provide their expected services. However, the changeability of the watershed health under climate change has not adequately considered. Accordingly, the Reliability (Rel), Resilience (Res), and Vulnerability (Vul) of the Efin Watershe...

Assessing the effectiveness of Land management based on land capability in priority areas to preserve natural resources and prevent adverse effects of rainfall events is essential for comprehensive watershed management. At the same time, it prevents rapid and inappropriate changes in land use and leads to the promotion of ecosystem services. Howeve...

The present initiative study has been planned to develop a conceptual model for watershed resilience for which rare documents have been reported yet, particularly in developing countries where such studies are necessary. In this vein, different ecological, social, economic, and infrastructural and cultural key domains were applied for the modeling...

Disturbance of forest watersheds has numerous effects on up and downstream environments, including erosion and reduction in productivity in disturbed areas, removal of nutrients, and deposition of pollutants on the land surface by runoff contamination of water resources. Little research has been conducted on forest ecosystems despite the environmen...

Aside from the many services that soil provides, it also stores water and makes it available to crops, which is critical for food security. However, the necessity of further studies for overcoming the existing gap in relation to the role of soil in the water, energy, and food nexus system has been preoccupying the experts and specialists around the...

Introduction and Objective: Today, soil erosion has become one of the most severe problems in the world, especially in arid and semi-arid regions, affecting environmental, agricultural, and food security. The growth and development of human activities, land-use change, and resource degradation are among the factors affecting erosion intensity. Howe...

Suspended sediment (SS) is an essential indicator for assessing watershed health. However, the temporal variation of SS, called sediment graph (SG) using readily available data, is not always considered, particularly in un-gauged watersheds, which are many in developing countries. Since field measurements of SS are time-consuming and costly, the sy...

Examining the problems and prioritization of various parts of the watershed is one of the essential factors for presenting programs and action plans for the adaptive management of the watershed. In other words, presenting executive measures should be based on specific problem-dependent variables, determinant criteria, and effective indicators in th...

The present study was conducted with the aim of feasibility study of inoculation of soil cyanobacteria in improving soil crack patterns and controlling surface runoff under freeze-thaw conditions in erosion sensitive area of Badranlou in North Khorasan Province, Northeastern Iran. This study identified the dominant and safe cyanobacteria available...

The effects of Sub-Watersheds (SWs) on each other can be more important in Flood Generation Potential (FGP). Therefore, the present study aims for prioritizing SWs based on FGP using Multi-Criteria Decision Making (MCDM) Methods including Game Theory (GT), Best-Worst Method (BWM), Analytic Hierarchy Process (AHP), Analytical Network Process (ANP),...

One of the important tools for watershed management and optimal decision making is the prioritization of sub-watersheds which can be effective in soil and water conservation and flood management. Hence, the purpose of this study is to investigate different methods of prioritization of sub-watersheds based on flood generation potential using physica...

The relationship between soil organic carbon (SOC) and environmental parameters was investigated in the Galazchai Watershed, Iran. Therefore, correlating the SOC amounts with remote sensing (RS) indices, topographic variables, and soil texture was analyzed. Some 125 soil samples gather from the upper 30 cm, and the weight of each sample was about 0...

The Islamic Republic of Iran is in the southwest of Asia and Middle East with an area of 1,873,959 km2 (Nami 2013; Sadeghi and Hazbavi 2015; Fig. 20.1) and total population of 80,277,428 (databank.worldbank.org/). Iran includes 31 provinces with annual temperature ranging from −20 to +40℃ (Amiraslani and Dragovich 2011). It lies between 25° and 40°...

Rill erosion is one of the most important causes of land degradation, and it is caused by the flow concentration on the surface of the hillslopes. It, therefore, results in several times increase in the amount of soil loss and sediment yield. However, the biological control of the rill erosion using soil microorganisms has not been adequately endea...

Land degradation is the major issue which affect watershed sustainability and following social, economic and environmental of livelihood people. So, early detection of land degradation is necessary for policy-makers to make appropriate decision. In this way, remote sensing method is a candidate choice for assessments and monitoring. In this study,...

The present study was conducted to comprehensively evaluate watershed sustainability with the help of an initiative barometer developed based on different dimensions of social, economic, environmental, and policy. The newly developed barometer was then applied to assess the temporal variation of sustainability for the Shazand Watershed, Iran, for f...

Kinetic energy and corresponding erosive force of rainfall are strongly influenced by raindrop. The present paper aims to explore the raindrop size variation during rainfall events with different intensities in northern Iran by applying the processes of camera-taken photographs. Five rainfall intensities of 1 to 10 mm h–1 that occur frequently in t...

The study aimed to provide a pilot plan to integratedly manage the Barar-rud Watershed in Mazandaran Province based on existing problems. Accordingly, various strategies and their prioritizations were developed for the watershed. Towards that, SWOT was developed through field observation and face-toface interviews with local stackeholders. The SWOT...

Soil erosion is one of the most common types of land degradation. To provide useful information for proper management, quantitative soil erosion evaluation and identification of effective factors are needed. However, rare studies have been reported on spatial modeling of soil erosion in connection with affective factors to prioritize the locality a...

Iran, like most of the developing countries in the world, faces many issues with limiting water, energy, and food resources. On the other hand, the state of the watersheds is being destroyed due to the imbalance between human and the environment leading to different environmental, social, economic, and political consequences. This requires a change...

Soil erosion control by amendments is an effective method to reduce runoff and soil loss. In this respect, application of nanofiber (NF) produced from recycled old paperboard containers as a novel approach has not been reported yet. Therefore, application of the produced lignocellulose NF suspension was carried out at various typical dosage levels...

Runoff components are the most important factors in explaining the hydrological behaviour of a system. So that the proper understanding of the runoff processes may effectively help managers and decision-makers adopt appropriate measures. In this regard, there are variety of approaches to handle runoff generation, but the application of environmenta...

The identification of the degree of linkage between sediment source and sink areas and also the channel network allows for prioritizing areas for sediment control measures at the watershed scale. The present study was therefore planned to investigate sediment connectivity based on structural and functional aspects. To that end, the index of connect...

Assessing the impact of changes in rainfall and land use on flood is a key issue in watershed management. However, their simultaneous effect has received less attention. The aim of this study was to investigate the impressibility of flood from rainfall regime and land uses in Cheshmeh Kileh Tonekabon watershed. For the present study, data from five...

Soil conservation dams are constructed across waterways or gullies to reduce the intensity of water flow, sediment retention and monitoring, reduce the peak discharge of floods, increase concentration and lag time in a watershed area, and finally correct channels width and length of channel. Gabion dams are porous structures, they are mostly used i...

Evaluation of sensitivity of hydrograph components and landscape metrics extracted from various spatial resolutions reveals relationships between landscape metrics and outflow properties with the lowest error. In the present study, 14 Digital Elevation Models (DEMs) with different resolutions derived from a vector and raster-radar source were analy...

Land use patterns, agricultural activities, and decreased vegetation have accelerated land degradation processes. Therefore, implementing land and vegetation-based management measures and utilizing land resources according to suitability/capability is essential to achieve integrated watershed resources management in critical watersheds. Hence, the...

Appropriate investigation of soil erosion triggering/controlling factors is of great importance for natural resources management. Usually, soil erosion assessment is time consuming and impose high costs to researchers and managers. Therefore, design of experiments methods can be good approaches to achieve the purpose to which adequate attention has...

Water and wind erosion is one of the most important causes of soil loss. Understanding these interactions is essential for estimating soil quality and environmental impacts in areas with both types of soil erosion. Numerous factors affect the occurrence and process of water erosion. In this regard, dynamic climatic factors such as rainfall and wind...

Background: Because control of runoff generation as well as soil loss is influenced by freezing-thawing, proper knowledge and insight into the freezing-thawing process in combination with other hydrological processes is essential for executives and planners. However, such dynamic phenomenon and corresponding consequences have not been studied adequ...

Land degradation is a major global concern that is exacerbated in the erosion-prone marl (calcium carbonate-rich mudstone) slopes. Several studies have therefore focused on finding ways to inhibit soil erosion among which, soil inoculation has been recently introduced as a new technique. However, the success of such treatment has not been adequatel...

Due to the high costs associated with the control of soil erosion, the precise selection of practical techniques towards this end is a prerequisite for sustainable land management. For the proper application of anti-erosion measures, a good knowledge of the behavior of soil erosion and hydrological properties is required. Research has indicated tha...

ارزیابی شرایط حاکم بر آبخیزها به عنوان بوم‌سازگان‌های پیچیده و پویا برای مدیریت صحیح،‌ کارآ، به‌صرفه و نهایتاً پایدار آنها، از ضروریات اساسی محسوب می‌شود. در این ارتباط بررسی شرایط حاکم بر بوم‌سازگان آبخیز در قالب میزان نزدیکی و یا دوری آن از یک مبنای مشخص تعادلی قابلیت بررسی دارد. از این‌رو مفهوم نسبی سلامت و پایداری شاید به‎‌عنوان یکی از بنیادی‌ت...

The freeze-thaw phenomenon is one of the factors, which has an important role in increasing the qualitative and quantitative loss of soil. However, the dynamics and mechanism of freeze-thaw processes remain unknown. Therefore, adoption of appropriate conservation measures in the highland and mountains region and reduction of the effects of a freeze...

In recent years the concept of connectivity has emerged in sediment management to describe transfer of sediment from different sections of landscapes at various spatial and temporal scales. The sediment connectivity concept has two distinct components: structural and functional. Structural and functional sediment connectivities have a hard and soft...

Land surveying and remote sensing are crucial for understanding the spatial and temporal variations of basic physical properties in accordance with different land uses. Guiding land managers, decision makers, and planners on the implementing mitigation strategies of adverse Land Surface Temperature (LST) impacts is accordingly important. However, s...

Assessment of land use capabilities based on regional conditions is essential to reduce human impacts on natural resources and to identify suitable land uses. However, the selection of appropriate method for evaluating the potential of the land at the watershed scale has received less attention. Therefore, the present study aimed to apply and valid...

Controlling runoff generation and soil loss from hillslopes is a priority for land management. The capability of cyanobacteria as inoculants has recently been utilized in land management, and as a result various lab-scale studies have been conducted. The present study conducted a field-pilot experiment in Miandoab City, south of West Azerbaijan Pro...