Browsing Environmental Science Center by Publisher "Elsevier"
Now showing items 41-60 of 143
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Enhanced electromagnetic interference shielding using Nanosilver-Decorated Graphene/Poly(vinyl chloride) nanocomposite films
( Elsevier , 2024 , Article)Silver nanoparticles (AgNPs) were prepared by chemical reduction and grafted onto thermally reduced graphene oxide (TRGO) sheets. PVC-based nanocomposite films with various Ag/TRGO concentrations were synthesized via ... -
Enhancing subsea asset performance: Investigating the biomimetic functionality of the Mushroom Reef design in hydrodynamics, stability, and sedimentation
( Elsevier , 2023 , Article)In this study, laboratory and in situ experiments were performed to assess the stability of the Mushroom Forest Artificial Reef (MFAR) against the hydrodynamic forces of waves and currents and its functionality to avoid ... -
An Equatorial Pacific rain event: influence on the distribution of iron and hydrogen peroxide in surface waters
( Elsevier , 2001 , Article)The wet deposition of iron and peroxides was monitored during an intense rain squall in the equatorial Pacific Ocean. Iron and hydrogen peroxide were determined at sea using adsorptive cathodic stripping voltammetry (ACSV) ... -
Evaluating the role of dissolved silica for dolomite formation in evaporitic environments: Insights from prolonged laboratory experiments
( Elsevier , 2024 , Article)The mineral Dolomite CaMg(CO3)2 is a common constituent of sedimentary rocks. Despite centuries of research, the mechanism of its formation remains elusive and debated. Recent studies have shown the presence of silica in ... -
Excess pCO2 and carbonate system geochemistry in surface seawater of the exclusive economic zone of Qatar (Arabian Gulf)
( Elsevier , 2022 , Article)Dissolved inorganic carbon (DIC) and total alkalinity (TA) were sampled in December 2018 and May 2019 in the Exclusive Economic Zone (EEZ) of Qatar in the Arabian Gulf. pCO2, pH and CO32− were calculated from DIC and TA. ... -
Extreme value analysis of wave climate around Farasan Islands, southern Red Sea
( Elsevier , 2020 , Article)The study investigates extreme value analysis of wave climate around the Farasan islands’ protected coastal zone in the southern Red Sea. It provides an overall idea of the extreme wave conditions in the southern Red Sea, ... -
Fabrication of low emissivity paint for thermal/NIR radiation insulation for domestic applications
( Elsevier , 2022 , Article)Recently, low-emissivity paint has gained more importance than commercial paints. Low emissivity (Low-E) Paint also termed as a coating for radiation control, in which the emissivity of radiations of longer waves are reduced ... -
Faunal mediated carbon export from mangroves in an arid area
( Elsevier , 2020 , Article)The outwelling paradigm argues that mangrove and saltmarsh wetlands export much excess production to downstream marine systems. However, outwelling is difficult to quantify and currently 40–50% of fixed carbon is unaccounted ... -
Field and laboratory investigation of tarmat deposits found on Ras Rakan Island and northern beaches of Qatar
( Elsevier , 2020 , Article)© 2018 Elsevier B.V. Beaches of Ras Rakan Island, located off the northern tip of Qatar, are extensively contaminated by highly weathered tarmat deposits. The focus of this study is to determine the possible source of the ... -
First genotoxicity assessment of marine environment in Qatar using the local Pearl oyster Pinctada radiata
( Elsevier , 2017 , Article)The Arabian Gulf countries’ marine environment has been subjected to increasing industrial development and anthropogenic pressure, leading to the growing introduction of contaminants into the marine environment, with a ... -
The first record of the Indo-Pacific benthic ctenophore Coeloplana (Benthoplana) meteoris (Ctenophora: Coeloplanidae) in the ArabianPersian Gulf
( Elsevier , 2019 , Article)This report presents the first occurrence of the Indo-Pacific benthic ctenophore Coeloplana (Benthoplana) meteoris (Thiel, 1968) in the western part of the Arabian-Persian Gulf, extending its range to 2000km, a record that ... -
Fish communities and environmental variables during dry season in Pampanga estuary (Philippines)
( Elsevier , 2020 , Article)Baseline assessment of fish communities and selected environmental variables (salinity, water temperature, water transparency, current speed, total suspended solid, chlorophyll a) was conducted in Pampanga estuary (Philippines) ... -
Framework of basin eco-compensation standard valuation for cross-regional water supply – a case study in northern China
( Elsevier , 2020 , Article)Basin eco-compensation (BEC) helps balance development opportunities and ecological protection. With rising demand for water and severe ecological problems driven by rapid economic growth, an appropriate BEC standard is ... -
Functionalized cellulose nanocrystals extracted from date pits as agricultural waste for the efficient remediation of molybdenum from groundwater: Performance and mechanistic studies
( Elsevier , 2024 , Article)The adsorption technique has proven to be an excellent option for treating contaminated water. This work was designed to investigate the efficient remediation of molybdenum (Mo(VI)) from groundwater by using a novel adsorbent ... -
G-C3N4/Ag@CoWO4: A novel sunlight active ternary nanocomposite for potential photocatalytic degradation of rhodamine B dye
( Elsevier , 2022 , Article)Present study reports the fabrication of novel sunlight active heterogeneous photocatalyst, i.e. Ag@g-C3N4/CoWO4 for potential degradation of rhodamine B dye. The ternary nanocomposite was fabricated using thermal condensation ... -
Geochemical composition of Aeolian dust and surface deposits from the Qatar Peninsula
( Elsevier , 2018 , Article)Abstract The trace metal geochemistry of atmospheric dust and terrestrial surface particles were studied on the Qatar Peninsula from February 2014 to November 2015. We included samples of the mega dust-storm event on 01–02 ... -
Governing desalination, managing the brine: A review and systematization of regulatory and socio-technical issues
( Elsevier , 2023 , Article)Desalination has become an attractive option for addressing water needs or solving problems of increasing water scarcity and short-term supply interruptions. However, several negative environmental impacts are associated ... -
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)) ... -
Herbal plants- and rice straw-derived biochars reduced metal mobilization in fishpond sediments and improved their potential as fertilizers
( Elsevier , 2022 , Article)Fishpond sediments are rich in organic carbon and nutrients; thus, they can be used as potential fertilizers and soil conditioners. However, sediments can be contaminated with toxic elements (TEs), which have to be immobilized ... -
History of a disaster: A baseline assessment of the Wakashio oil spill on the coast of Mauritius, Indian Ocean
( Elsevier , 2022 , Article)Oil spills from tanker ships provide adverse and irreversible impacts of a pollutant over coastal and marine environments. Using Sentinel-1 and 2 satellite images, this baseline paper presents the detection, assessment, ...