Atmospheric Science Cluster: المرسلات الحديثة
السجلات المعروضة 21 -- 38 من 38
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Extreme 15N Depletion in Seagrasses
( Springer New York LLC , 2016 , Article)Seagrass beds form an important part of the coastal ecosystem in many parts of the world but are very sensitive to anthropogenic nutrient increases. In the last decades, stable isotopes have been used as tracers of ... -
Bryophyte cover and richness decline after 18 years of experimental warming in alpine Sweden.
( Oxford University Press , 2020 , Article)Climate change is expected to affect alpine and Arctic tundra communities. Most previous long-term studies have focused on impacts on vascular plants, this study examined impacts of long-term warming on bryophyte communities. ... -
Temporal variations in ambient air quality indicators in Shanghai municipality, China
( Nature Research , 2020 , Article)© 2020, The Author(s). Official data on daily PM2.5, PM10, SO2, NO2, CO, and maximum 8-h average O3 (O3_8h) concentrations from January 2015 to December 2018 were evaluated and air pollution status and dynamics in Shanghai ... -
مادة البقاء في إصلاح فساد الهواء والتحرر من ضرر الأوباء (المقدسي محمد بن أحمد التميمي)
( دار نشر جامعة قطر , 2020 , Book Review)يجبرك كتاب "مادة البقاء في إصلاح فساد الهواء والتحرر من ضرر الأوباء" للمقدسي محمد بن أحمد التميمي على أن تتوقف وتتورّقه على الأقل. صدر هذا الكتاب عن معهد المخطوطات العربية في القاهرة عام 1999، بتحقيق الأستاذ الباحث يحيى ... -
Staminodes evolution and in vitro development innovation in date palm (Phoenix dactylifera L.)
( Elsevier Masson SAS , 2019 , Article)The in vitro cultivation of date palm staminodes (vestigial stamens) at different stages of female floral ontogenesis confirms the persistence at an immature state of such organs at all the floral differentiation stages. ... -
Global change effects on plant communities are magnified by time and the number of global change factors imposed
( National Academy of Sciences , 2019 , Article)Global change drivers (GCDs) are expected to alter community structure and consequently, the services that ecosystems provide. Yet, few experimental investigations have examined effects of GCDs on plant community structure ... -
Geochemical investigation of Yamama crude oils and their inferred source rocks in the Mesopotamian Basin, Southern Iraq
( Taylor and Francis Inc. , 2019 , Article)Ten oil samples from the Yamama reservoirs and ten extracts of purported source rocks from sixteen wells in the Mesopotamian Basin, Southern Iraq have been analyzed using GC, GC/MS and Stable Carbon Isotope. Yamama oils ... -
Hiding in the background: community-level patterns in invertebrate herbivory across the tundra biome
( Springer Verlag , 2019 , Article)Invertebrate herbivores depend on external temperature for growth and metabolism. Continued warming in tundra ecosystems is proposed to result in increased invertebrate herbivory. However, empirical data about how current ... -
An integrated approach for produced water treatment using microemulsions modified activated carbon
( Elsevier Ltd , 2019 , Article)In this study, the physical and chemical characterization of produced water was done followed by treatment through sand filtration coupled with activated carbon microemulsion modified activated carbon techniques. The results ... -
PAH concentrations and exposure assessment from house dust retained in air-conditioning filters collected from Greater Doha, Qatar
( Springer Netherlands , 2019 , Article)Polycyclic aromatic hydrocarbons (PAHs) bound in dust retained in air-conditioning unit filters from 13 households in Greater Doha, Qatar, were quantified using GC–MS spectrometry. The median concentrations of ∑16PAH and ... -
Investigation and Application of Bacillus licheniformis Volatile Compounds for the Biological Control of Toxigenic Aspergillus and Penicillium spp
( American Chemical Society , 2019 , Article)The present study was designed to investigate the antagonistic activity of Bacillus licheniformis BL350-2 against mycotoxigenic strains of Aspergillus and Penicillium. In vitro coincubation for 5 days indicated Aspergillus ... -
Transcriptome assembly and abiotic related gene expression analysis of date palm reveal candidate genes involved in response to cadmium stress
( Elsevier Inc. , 2019 , Article)Date palm in Tunisia is of major economic importance but are also factors of social, environmental and economic stability. An annotated assembly of the transcriptome of cultivar Deglet Nour was reported. RNA was isolated ... -
Assessing the vulnerability of socio-environmental systems to climate change along an altitude gradient in the Indian Himalayas
( Elsevier B.V. , 2019 , Article)Climate change is affecting biotic and abiotic components of the Himalayan ecosystem, disturbing existing socio-ecological systems. Future changes in the climate, coupled with ongoing development activities in the Himalayas, ... -
Elemental compositions of particulate matter retained on air condition unit’s filters at Greater Doha, Qatar
( Springer Netherlands , 2019 , Article)© 2019, The Author(s). Elemental composition of airborne dust samples retained by internal filters of air condition units (ACUs) was determined at 12 locations of Doha city, state of Qatar. Twenty-four elements: Al, Ca, ... -
BTEX, nitrogen oxides, ammonia and ozone concentrations at traffic influenced and background urban sites in an arid environment
( Elsevier , 2019 , Article)Spatial distribution of key air pollutants were studied in Doha, Qatar, over the course of two monitoring campaigns in early spring, 2016. Time-weighted averages of BTEX components (benzene, toluene, ethyl-benzene, ... -
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 ... -
Health implications of atmospheric aerosols from asbestos-bearing road pavements traditionally used in Southern Brazil.
( Springer Verlag , 2016 , Article)Serpentine and amphibole asbestos occur naturally in certain geologic settings worldwide, most commonly in association with ultramafic rocks, along associated faults. Ultramafic rocks have been used in Piên County, Southern ... -
Polycyclic aromatic hydrocarbons in dust from the indoor environment of Qatar
( Hamad Bin Khalifa University Press , 2016 , Conference)Polyaromatic Hydrocarbons (PAHs) concentrations in dust trapped on air conditioning unit filters operating in residential and workplace locations in Doha, Qatar were sampled and measured. Fourteen samples were collected ...
