Environmental Science Center: المرسلات الحديثة
السجلات المعروضة 201 -- 220 من 475
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Long-Term Variability of Aerosol Concentrations and Optical Properties over the Indo-Gangetic Plain in South Asia
( MDPI , 2022 , Article)Emissions of atmospheric pollutants are rapidly increasing over South Asia. A greater understanding of seasonal variability in aerosol concentrations over South Asia is a scientific challenge and has consequences due to a ... -
Reflectance spectroscopy and ASTER mapping of aeolian dunes of Shaqra and Tharmada Provinces, Saudi Arabia: Field validation and laboratory confirmation
( Taylor and Francis Group , 2022 , Article)Spatial variability of grain sizes and mapping of aeolian dunes is important to study the sand erosion, transport, and dune movement and to understand the dune encroachment and land degradation. This study examines the ... -
Methylmercury, Trace Metals, Organotins and Their Effects on the Qatari Mangrove Shrimp, Palaemon khori
( MDPI , 2022 , Article)The Qatari mangroves of Al-Khor are being increasingly exposed to a wide variety of anthropogenic pollutants due to land reclamation and urban expansion. In this study, we evaluated the lethal and genotoxic effects of ... -
Climatology and variability of wind speeds along the southwest coast of India derived from Climate Forecast System Reanalysis winds
( Wiley , 2022 , Article)Wind climate along the southwest coast of India (Kerala coast) has been analysed using 41 years of Climate Forecast System Reanalysis (CFSR) winds to delineate long-term trends and variability. The study reveals significant ... -
Applications of graphene-based tungsten oxide nanocomposites: a review
( Springer , 2022 , Article Review)This review describes the various applications of graphene derivative (GO/rGO) with the tungsten oxide nanocomposite such as supercapacitor, electrochromism, photocatalysis and energy sensing. This review article also ... -
Recent developments in textile based polymeric smart sensor for human health monitoring: A review
( Elsevier , 2022 , Article Review)In the modern age, the most important and prevailing issue is the monitoring of human health. To address this, several devices have been developed and a need new materials investigated. The idea of textile-based smart ... -
Photocatalytic degradation of methylene blue using polyaniline-based silver-doped zinc sulfide (PANI-Ag/ZnS) composites
( Springer , 2022 , Article)This study set out to determine the photocatalytic degradation potential of polyaniline-based silver-doped zinc sulfide composite (PANI-Ag/ZnS) for effective degradation of methylene blue. The heterogeneous photocatalytic ... -
Mixed metal ferrite (Mn0.6Zn0.4Fe2O4) intercalated g-C3N4 nanocomposite: efficient sunlight driven photocatalyst for methylene blue degradation
( IOP Publishing , 2021 , Article)Visible active mixed metal ferrite intercalated semiconductor photocatalyst Mn0.6Zn0.4Fe2O4/g-C3N4 was prepared via facile hydrothermal and liquid assembly method for methylene blue (MB) dye degradation. The prepared samples ... -
Association of spring phenological traits with phylogeny and adaptation to native climate in temperate plant species in Northeast China
( Elsevier , 2022 , Article)The effects of climate change on plant phenology have been widely recognized around the world. However, the effect of plant internal factors (such as phylogeny) on the variations in phenology among plant species remains ... -
Evaluation of Petrophysical Characteristics of Mishrif and Yamama Reservoirs, in Garraf Oil Field, Southern Iraq, Based on Well-Logging Interpretation
( College of science/ University of Baghdad , 2022 , Article)The Mishrif and Yamama Formation are the main reservoirs in the Garraf oilfield, Nasiriyah city, of the Euphrates Subzone, Mesopotamian Basin, Southern Iraq. The Garraf oilfield structural pattern corresponds with the ... -
Source rock evaluation and petroleum generation of the Lower Cretaceous Yamama Formation: Its ability to contribute to generating and expelling petroleum to cretaceous reservoirs of the Mesopotamian Basin, Iraq
( Elsevier , 2022 , Article)The Yamama Formation is an important reservoir as well as a good source rocks in many of the oilfields of the southern Mesopotamian Basin, Iraq. The formation represents a regressive cycle deposited in a shallow carbonate ... -
Capillary pressure correction of cuttings
( Elsevier , 2022 , Article)The accurate characterization of capillary pressure is essential in determining multiphase flow behavior in subsurface conditions. It is also essential in quantifying reservoir rock quality, reservoir fluid saturations, ... -
Detection and assessment of marine litter in an uninhabited island, Arabian Gulf: A case study with conventional and machine learning approaches
( Elsevier , 2022 , Article)In 2018, the Ministry of Municipality and Environment, Qatar removed 90 t of marine litter (ML) from the Ras Rakan Island (RRI), a remote uninhabited island in the Arabian Gulf (hereinafter referred to as Gulf). To identify ... -
A green method for removing chromium (VI) from aqueous systems using novel silicon nanoparticles: Adsorption and interaction mechanisms
( Elsevier , 2022 , Article)In the present study, we used the horsetail plant (Equisetum arvense) as a green source to synthesize silicon nanoparticles (GS-SiNPs), considering that it could be an effective adsorbent for removing chromium (Cr (VI)) ... -
Arbuscular Mycorrhiza Fungi Integrated with Single Super Phosphate Improve Wheat-nitrogen-phosphorus Acquisition, Yield, Root Infection Activity, and Spore Density in Alkaline-calcareous Soil
( Springer , 2022 , Article)The potential productivity of calcareous soils is high when adequate nutrients can be available. However, these soils are frequently deficient in nitrogen (N) and phosphorus (P) and cannot meet plant nutrient requirements. ... -
Seasonal variation, polymer hazard risk and controlling factors of microplastics in beach sediments along the southeast coast of India
( Elsevier , 2022 , Article)Microplastics (MPs) and its associated organic and inorganic contaminants are one among the significant health hazards to almost all biota, including human. We investigated the polymer hazard risk and its adsorbed contaminants ... -
Genetic diversity of Prosopis juliflora in the state of Qatar and its valuable use against postharvest pathogen of mango fruits
( Nature Research , 2022 , Article)Mango (Mangifera indica) is the second most internationally traded tropical fruit in the world. The fruit has high nutritional value. Its susceptibility to postharvest diseases and chill injuries increases its storage cost ... -
Evaluation of Roholtiella sp. Extract on Bell Pepper (Capsicum annuum L.) Yield and Quality in a Hydroponic Greenhouse System
( Frontiers Media , 2022 , Article)This study was carried out to investigate the impacts of cyanobacteria (Roholtiella sp.) high-value product extract (HVPE) and water resuspended biomass WRB treatments on bell pepper production using the hydroponic system ... -
Prevalence of microplastics in the marine waters of Qatar
( Hamad bin Khalifa University Press (HBKU Press) , 2016 , Conference)The issue of plastic pollution in the marine environment is of increasing global concern. As plastics typically have an intrinsic durability, water insolubility and slow degradation rates, debris has now become both ... -
First Impact Assessment of Genotoxic Components in the Qatari Marine Environment
( Hamad bin Khalifa University Press (HBKU Press) , 2016 , Conference)The Arabian Gulf is a semi-enclosed sea with very high evaporation and low discharge rates resulting in extreme saline and thermal conditions. Additionally the system is characterized by a weak hydrodynamic flushing resulting ...