OOIR: Observatory of International Research

Papers

(The TQCC of International Journal of Environmental Research is 5. The table below lists those papers that are above that threshold based on CrossRef citation counts [max. 250 papers]. The publications cover those that have been published in the past four years, i.e., from 2021-11-01 to 2025-11-01.)

Article	Citations
Temperature-Dependent Speciation Analysis of Chromium Immobilized in Calcium Hydroxyapatite Matrix	533
Investigating Airborne Pollen Grains and Fungal Spores that Might be Related to Thunderstorm Asthma Attacks	62
Leaching Loss of Nutrients: A Quantification Approach and Management in Acidic Alfisols of Eastern India	48
Measurement and Temporal and Spatial Evolution of Green Behavior of Chinese Enterprises	48
Integrated Treatment of Textile Wastewater and Methyl Orange Azo Dye: Constructed Wetland-Based Remediation Enhanced by Bacterial Treatment	42
Applying Natural and K-Enriched Zeolite Before Struvite Precipitation Improved the Recovery of NH4+ from Liquid Digestate and the Reagent Use Efficiency	32
Soil Aggregates Mediate the Thermal Response of Soil Carbon Mineralization and Microbial Enzyme Activity	31
Impact of Urban Morphology on Outdoor Ventilation: A CFD Analysis of Idealized Building Configurations in Tehran, Iran	29
Rhizofiltration of Caesium and Strontium Through the Use of Aquatic Plants Eichhornea crassipes (Mart.) Solms and Monochoria hastata (L.) Solms-Laub	29
Energy and Pollution Mitigation: The Role of Coconut Sugar in Microbial Fuel Cell	26
Heavy Metal (Cr, Cu, Ni, and Zn) Removal from Electroplating Wastewater Using an Agro-İndustrial Byproduct	24
Profiling Toxin Genes and Antibiotic Resistance in Escherichia coli Strains Isolated from Marine Beaches of Megacity Mumbai, India	23
Quantifying Glacial Lake Changes Using Deep Learning Models in the Northwestern Himalayan Region from 1992 to 2020	22
Brassica juncea as a Feasible Hyperaccumulator of Chosen Potentially Toxic Metals Under Extreme Environmental Conditions	21
Efficient and Eco-Friendly Sawdust Adsorbent for Methylene Blue Removal: Adsorption Optimization, Kinetics, and Isotherm Modelling	20
Characterization of Polystyrene-Degrading Bacteria Isolated From Plastic Processing Plants	20
Application for Reprocessing Cattle, Chicken, and Fish Bones in the Removal of Zn (II) and Cr (VI) from Wastewater Using Batch Adsorption System	19
In Situ Remediation and Stability Assessment of Solid Waste: Alkaline Amendments to Stabilize Acid-Generating High-Concentration Antimony (Sb) Tailings in Southwest China	18
Mathematical Modelling for Predicting Wastewater Treatment Efficiency Through Specialised Electrocoagulation	18
Effects of Phosphate-rock Mining Wastewater Fertigation on Chickpea (Cicer arietinum) Cultivation and Soil Microbial Diversity	17
Assessment of Satellite-based Precipitation Products in Monthly, Seasonal, and Annual Time-Scale over Iran	17
Characterization and Treatment Methods of Hazardous Compounds in Batik Wastewater: A Review	16
Effects of Copper Doping on the Electrochemical Performance of Tin Oxide Synthesised by Facile Co-precipitation Root	16
Effects of Climate Change on the Production of Polysaccharides and Phycobiliproteins by Nostoc commune Vaucher ex Bornet et Flahault	16
Thermal Management of Solar Panels for Overall Efficiency Enhancement Using Different Cooling Techniques	16

Studies on Autotrophic Components of Periphyton in Some Iranian Aquatic Ecosystems	16
Faecal Sludge Treatment: Unveiling the Potential of the plant Panicum maximum	15
Flood Protection and Runoff Quantification Based on Two Free Global Digital Elevation Models: A Case of Wadi Qaws, Jeddah, Saudi Arabia	15
Comprehensive Assessment of Trophic Status and Chlorophyll-a Dynamics in the Jhelum River Basin: Implications for River Ecosystem Management	15
Petroleum-Contaminated Soil Isolates: A Comparative Study of Naphthalene Biodegradation Kinetics and Metabolic Pathways	14
Sustainable Waste Management Through Development of Organic Composts Using Laboratory Synthesized Liquid Activators	14
An Overview of Characterisation, Utilisation, and Leachate Analysis of Clinical Waste Incineration Ash	14
The Ecotoxicity of Sugarcane Pesticides to Non-target Soil Organisms as a Function of Soil Properties and Moisture Conditions	13
Predictive Modeling and Analysis of Photocatalytic Degradation Performance of Biochar-ZnO Nanocomposites on Different Agrochemicals	13
Insecticidal and Histological Effects of Extracts from Leaves of Juglans regia L. Against Sitophilus oryzae (Coleoptera: Curculionidae) Isolated from Soft Wheat in Post-harvest	12
An IoT Based Water Quality Classification Framework for Aqua-Ponds Through Water and Environmental Variables Using CGTFN Model	12
Potential Enhancement in Anaerobic Digestion Performance of High Salinity Organic Wastewater with Nickel-Loaded Biochar	12
Health Risk Assessment Related to As, Cd and Pb Due to the Consumption of Shrimp Species from Southeast Brazil	12
Malachite Green Removal from Wastewater with Manila Tamarind Shell Copper Nanoparticles: Equilibrium, Kinetic, and Thermodynamic Studies	12
Synergistic Effect of TiO₂ Nanorods Incorporated with Graphene Oxide for Photocatalytic Degradation of Multiple Dyes	12
Assessment of Potentially Toxic Elements Contamination in Water and Sediments from Vembanad Lake, Kerala, India: In Accounts with the Influence of its Major In Flow Rivers	12
Repurposing of Electric Vehicle Batteries for Second Life Stationary Applications in Residential Photovoltaic Systems: An Environmental and Economic Sustainability Assessment	12
Developing an Ensemble Machine Learning Approach for Enhancing Flood Damage Assessment	11
A Sustainable Green Approach for Efficient Capture of Strontium from Simulated Radioactive Wastewater Using Modified Biochar	11
Per- and Poly-fluoroalkyl Substances Regulatory Frameworks, Sources, and Occurrence: Trend, Concern, and Implication	11
Analysing Complete Street Design Principles Using Space Syntax Methodology in a Case of Haft-e-Tir Square, Tehran	11
The Impact of Air Pollution and Aeroallergens Levels on Upper Airway Acute Diseases at Urban Scale	11
Assessing the Impacts of Future Land Use and Land Cover Changes on Ecosystem Services in a Coastal City of Bangladesh Using an Integrated Approach	11
Applicability of Carbon Footprint as Indicator for Environmental Performance of Food Products	11
Phytoextraction Potential of Chrysanthemum and Cumbu Napier Hybrid Grass to Remediate Chromium-Contaminated Soils Using Bioamendments	10
Numerical Optimization of the Physico-chemical Process Used in the Treatment of Real Poultry Slaughterhouse Wastewater for Water Quality Improvement	10
Recreational Disturbance of River Sediments During Base Flow Deteriorates Microbial Water Quality	10
Production, Optimization and Characterization of Serratia nematodiphila MB307 to Synthesize Polyhydroxybutyrate Using Wastewater in Submerged Fermentation	10
Effectiveness of Direct Sulfonated Polysulfone in Dual Chamber Microbial Fuel Cells Based Dewatered Sludge for Power Generation	10
Construction of TiO2/g-C3N5 S-Scheme Heterojunction for Enhanced Photocatalytic Degradation of Organic Pollutants: DFT Calculation and Mechanism Study	10
Efficient Remediation of Cr(VI)-Contaminated Soil by Bismuth Sulfide Modified Euryale ferox Shell Biochar: Performance, Mechanistic Study, and Binding Energy Perspective	10
Adsorption Activity of Spent Coffee Grounds Biochar for the Removal of Vivizole Red 3BS Dye from Aqueous Solution	10
The Deployment Modeling of Low-Cost Sensors for Urban Particulate Matter Monitoring: A Case Study for PM2.5 Monitoring in Tehran City	10
Assessment of Urban Heat Mitigation Strategies to Improve Outdoor Thermal Comfort Regarding Carbon Dioxide Concentration in Tehran Metropolis	9
Effect of ZnO Nanoparticles During the Process of Phytoremediation of Soil Contaminated with As and Pb Cultivated with Sunflower (Helianthus annuus L.)	9
Treatment of Winery Wastewater with PEG-600/PVDF Mixed Matrix Membranes Using Submerged Membrane Bioreactor and Process Optimization by Box–Behnken Design	9
Efficient Biodegradation of Polyethylene-Starch Blend in an Agricultural Soil Sample from a Potato Farm	9
An Evolutionary Computing Approach For Simultaneous Daylight Optimization in Urban Environments and Buildings Interiors	9
Impact of Untreated and Wetland Treated Sewage Water Irrigation on Microbiology of Vegetables Grown in Summer and Winter Season	9
Post-Fire Residual PAHs in Tropical Peats of Indonesia Using Optimized Analytical Methods	9
Use of Helix aspersa and Pinus nigra as Bioindicators to Study Temporal Air Pollution in Northern Lebanon	9
Spread of Multidrug-Resistant Bacteria and Antibiotic Resistance Genes in a Swine Wastewater Treatment Plant	9
Energetic, Exergetic, Economic, Environmental, Exergoeconomic and Exergoenviroeconomic (6E) Assessment of Flat Plate Solar Water Heater Associated with Perforated Wavy Tapes as Thermal Enhancer	9
Treatment of 17α-Ethinylestradiol (EE2) in Water Using UV/H2O2 and Reverse Osmosis (RO) Membranes: Assessment of Estrogenic Activity and Membrane Adsorption	9
Synthesis and Characterization of Nano-CoFe2O4 Ferrite: Application to the Adsorption of AG25 Dye in Aqueous Solution	9
Determining the Most Sensitive Indicators of Soil Carbon Transformation to the Land-Use Change from Intact Rangeland to Cropland, Western Iran	9
Sustainable Utilization of Pink Perch By-products by Producing Nutritionally Rich Protein Hydrolysate with Antioxidative Properties	8
Performance of CaO2-Based Processes for the Decolorization of a Reactive Textile Dye	8
A Review of Effective Nanoadsorbents Made of Carbonaceous, Metal Oxides, and Polymer Nanocomposite Materials for Adsorption of Pharmaceutical Contaminants in Wastewater	8
Ecological Effect Assessment and Reclamation Pattern of Surface Mining: Based on the Perspective of Ecosystem Services	8

Iron-Based Materials Synthesized by Mechanical Ball Milling for Environmental Contaminants Removal: Progress and Prospects	8
Indigenous PGPB Inoculant from Qinghai-Tibetan Plateau Soil Confer Drought-Stress Tolerance to Local Grass Poa annua	8
Production of Waste Tomato Stem Hydrochar (TS-HC) in Subcritical Water Medium and Application in Real Textile Wastewater using Photocatalytic Treatment System	8
Measuring the Multi-Level Resilience Based on Social Heterogeneity Faced with Drought in Rangeland Users	8
Modeling Forest Canopy Stress Under Climate Variability: An Integrated Remote Sensing and Machine Learning Approach	8
Recycling Pollutants and Used Oils as Substrates for Producing Useful Lipids in the form of Single-Cell Oil by the Aerobic Yeast Yarrowia lipolytica	8
A Spatiotemporal Study on Glacial Lake Dynamics and Its Response to Changing Climate in the Eastern District of Himachal Pradesh	8
Clarification of Swine Wastewater Using Natural Coagulant	8
Hexavalent Chromium Detoxification by Biochars: Influences of Organic and Inorganic Electron Donors	8
Box-Behnken Response Surface Design for Modeling and Optimization of Electrocoagulation for Treating Real Textile wastewater	8
Adsorptive Removal of Pb (II) by Using Graphene Oxide-Impregnated Calcium Alginate Hydrogel Beads	8
Air Conditioning of an Off-Grid Remote School with an Earth to air Heat Exchanger Coupled Indirectly to a Solar Cooling System	7
Spatiotemporal Variation of Ecosystem Services Value and its Response to Land Use Change in the Yangtze River Basin, China	7
Forecasting Effluent Biochemical Oxygen Demand in Sewage Treatment Plants Using Machine Learning and User-Friendly Interface	7
Evaluation of Potentially Toxic Elements Contamination in Dust of Sistan Region, Iran: Spatial Distribution, Source Identification, and Health Risk Assessment	7
Association Between Mixed Metal Exposures and Female Infertility: A Large Cross-sectional Study	7
A Highly Sensitive Fluorescent Probe Based on Organically Functionalized graphene Oxide-Silica for the Determination of Hg2+ in aqueous Medium	7
Detection of Atmospheric Microplastics Accumulated in Xanthoria parietina: A Lichen Biomonitoring Study on the Asian Side of Istanbul	7
Low-Level Arsenic Removal from Drinking and Wastewater Using La@MOF-808 in Lahore, Pakistan	7
Degradation of Municipal Solid Waste Landfill Leachate Using Ferrites from Spent Batteries as Heterogeneous Solar Photo-Fenton Catalyst	7
Synthesis, Characterization and Application of Ferrous Iron-Embedded Schwertmannite for Cr(VI) Reduction–Adsorption from Aqueous Solutions	7
Collaboration in Decarbonisation Research: Comparing the UK and European Funding Landscape	7
Seasonal Distribution, Characterization, Indexing and Risk Assessment of Micro- and Nanoplastics in Coastal Sediments: a Case Study from Istanbul	7
Nutrient Availability, Microbial Activity, Plant Growth and Leaching of Ions from a Manufactured Soil Produced from Bauxite Residue	7
Biopesticide (Azadirachtin) as a Sustainable Alternative to Conventional Pesticides (Chlorpyrifos and λ-Cyhalothrin) for Mosquito Control in the Dengue Vector, Aedes aegypti: Insights from Physiologic	7
“Enhanced Biodegradation of Diquat Herbicide by Bacillus velezensis MW8SH: Insights into Performance, Degradative Pathways, and Practical Applications”	7
Micro- and Nanoplastics in Environment: Degradation, Detection, and Ecological Impact	6
Impact of Microplastic Ingestion on Commercial Fish: A Trophic-Level Analysis	6
An Integrated Biorefinery of Wood Apple Kernel for Bio-Oil and Bio-Diesel Production: Optimization of Engine Attributes Using Taguchi, RSM, and CRITIC-COCOSO Hybrid Techniques	6
Comparative Bioaccumulation Potential of Trace Elements and Microplastics in Marine Sponges as Bioindicators	6
Investigation and Prioritization of Strategies for Achieving Integrated Flood Management (Case Study: Jajroud Watershed)	6
Study of Hydrogeochemical Properties of Surface Water (Case Study: Comparison of Two Adjacent Catchments, Cheshmeh Kileh and Shiroud, Northern Iran)	6
Catalytic Pyrolysis of Pistachio Shell for the Production of Different Biosorbents for Adsorption of Various Contaminants from the Contaminated Water	6
Efficient Removal of Heavy Metal Ions Using a Novel Nanocomposite of Montmorillonite/MgAl Double Layer Hydroxide: Synthesis, Characterization, and Adsorption Performance	6
Process Kinetic Evaluation of Hybrid Upflow Anaerobic Sludge blanket Reactor Using Seashell as an Attached Media	6
Global Warming Status in the African Continent: Sources, Challenges, Policies, and Future Direction	6
Linking Future Hydroclimatological Changes with Past Climatic Conditions in Southeastern Iran: Insights from Models and Observations	6
The Sorption of Lead and Cadmium by Hydroxyapatite-Biochar Nanocomposite from Aqueous Solution	6
Legacy Polyfluoroalkyl Substances (PFAS) Contamination in Ravi and Sutlej Rivers, Punjab, Pakistan: Assessing Ecological and Human Health Risks	6
Potential of Fish Scale Biochar Nanocomposite with ZnO for Effective Sequestration of Cr (VI) from Water: Modeling and Kinetics	6
Modification of Nanofiltration Membranes by Cationic Surfactant as a Promising Strategy for Treatment of Pharmaceutical Wastewater	6
Chinese Rural Landscapes at Multiple Scales: Typologies and Diversity	6
Diversity and Abundance of Antimicrobial Resistance Determinants in Culturable Bacteria of Glacier Mice and Proglacial Lake Ecosystems at Austerdalsbreen, Norway	6
Modeling of Industrial Strategy Based on Sustainable Development Approaches	6
Bioprospecting and Repurposing of Leaf Biomass to Support Sustainable Biopharmacy: Evaluation of Seasonal Chemical Variations and Biological Activities of Six Eucalyptus Essential Oils	6
Prediction of the Strength of CO2-Mineralized Recycled Coarse Aggregate Concrete Based on the GA-BP Neural Network	6
Kinetics and Optimization of Azo Dye Decolorisation Using Green Synthesized Iron-Oxide Nanoparticles: A Pilot Scale Study	6
Comparative Study of Algae and Cactus as Bioflocculants in the Physico-chemical Treatment of Leachate from the Controlled Landfill	6
Biological Pretreatment of Rice Straw Using Pleurotus ostreatus: Effects on Degradation Kinetics and Physicochemical Characteristics	6
Plastic Waste: Challenges and Opportunities to Mitigate Pollution and Effective Management	5
Composting Process Monitoring and Maturity Prediction by Spectroscopic Measurement and PLS Modelling	5
Correction to: Characterization and Efficiency Evaluation of Cold Active Bacterial Isolates for Treatment of Sanitary Landfill Leachate	5
Energy and Carbon Footprints for the Urban Water Cycle in Amman, Jordan	5
Medicinal and Aromatic Plant Organs to Accumulate and Remove Heavy Metals Originating from Different Population and Industrial Densities	5
Non-carcinogenic risk assessment of Cr and Pb in vegetables grown in the industrial area in the southwest of Iran using Monte Carlo Simulation approach	5
Optimizing the Allocation of CO2 Emission Rights in the Yangtze River Delta City Agglomeration Region of China Based on Equity, Efficiency and Sustainability	5
Temporal Characterization, Carcinogenic Risk Assessment and Meteorological Effects of Ambient Polycyclic Aromatic Hydrocarbons in Jinan City	5
Progress in Biomass-Plastic Copyrolysis: Thermochemical Conversion Techniques, Reaction Kinetics, Synergistic Mechanisms, and Reactor Design Innovations	5
Alumina Sludge From Water Treatment Plants for Removing Methylene Blue Dye From Water: a Circular Economy Approach	5
The Influence of Oil Pollutants on the Mechanical Properties of Clayey Sand	5
Quantification of heavy metals and mercury-resistant bacteria in artisanal and small-scale gold mining sites, Maniema region, Democratic Republic of the Congo	5
Flood Risks Vulnerability Assessment in Abeokuta, Ogun State, Nigeria, Using an Index Based Approach	5
Removal of Agricultural Run-off Water Borne Toxic Pesticides Using Low-Grade Bituminous Coal in a Continuous Column Set-Up	5
Analysis of the Gridded Influencing Factors of the PM2.5 Concentration in Sichuan Province Based on a Stacked Machine Learning Model	5
Benzenesulfonamide-Functionalized Electrospun Polysulfone as an Antibacterial Support Layer of Thin-Film Composite Pressure-Retarded Osmosis Membrane: Fabrication and Performance Evaluation	5
Woody Biomass-Derived Biochar Decorated with Vanadium Oxide as a Potential Adsorbent for CO2 Capture	5
Correction: Mathematical Modelling for Predicting Wastewater Treatment Efficiency Through Specialised Electrocoagulation	5
Carbon Emissions of Railways: An Overview	5
Study on the Relationship Between Street Organization and Spatial Distribution of Tourism-Related Elements in Central Urban Areas in Chengdu, China	5