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السجلات المعروضة 453 -- 466 من 466
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Validation of Total Mercury in Marine Sediment and Biological Samples, Using Cold Vapour Atomic Absorption Spectrometry
( MDPI , 2018 , Article)A method for the measurement of total mercury (T-Hg) in environmental samples using cold vapour atomic absorption spectrometry (CV AAS) has been validated yielding a dynamic range (0.04–10.00 g/kg) and high certified ... -
Variability of blue carbon storage in arid evaporitic environment of two coastal Sabkhas or mudflats
( Nature Research , 2023 , Article)Coastal Sabkhas are mudflats found in arid coastal regions that are located within the supratidal zone when high rates of evaporation lead to high salinity. While evaporitic minerals often accumulate underneath the surface, ... -
Variability of Physical and Biogeochemical Parameters in the Exclusive Economic Zone of Qatar
( Qatar University Press , 2021 , Poster)The oceanographic data collected along a transect in the Exclusive Economic Zone (EEZ) of Qatar during late summer (September 2014) and winter (January 2015) have been analyzed to investigate the spatial and temporal ... -
Vegetation responses to 26 years of warming at Latnjajaure Field Station, northern Sweden
( NRC Research Press , 2021 , Article)Climate change is rapidly warming high latitude and high elevation regions influencing plant community composition. Changes in vegetation composition have motivated the coordination of ecological monitoring networks across ... -
Vertical and seasonal variations in biofilm formation on plastic substrates in coastal waters of the Black Sea
( Elsevier , 2023 , Article)Plastic contamination of the marine environment is an increasing concern worldwide. Therefore, it is important to understand the kinetics of biofilms on plastics to study their behavior, fate, and transport pathways in the ... -
Visible light assisted photocatalytic degradation of methylene blue using iodine doped Fe3O4-GO composite
( Elsevier , 2023 , Article)Environmental contamination and wastewater discharge from industrial activities are global issues that must be addressed immediately. The uncontrolled discharge of dangerous organic compounds constitutes a significant ... -
Visitors off the trail: Impacts on the dominant plant, bryophyte and lichen species in alpine heath vegetation in sub-arctic Sweden
( Elsevier , 2021 , Article)Alpine ecosystems are under increasing pressure due to tourism and recreational activities. When leaving designated trails as is frequently observed, visitors can cause unintentional damage to vegetation. This study ... -
Wastewater remediation using coal fly ash nanocomposites
( Elsevier , 2020 , Book chapter)The rapid contamination of and drastic decrease in clean water sources have forced researchers towards the development and implementation of highly efficient wastewater treatment (WWT) technologies. Adsorption alone is an ... -
Water, energy and food supply security in the Gulf Cooperation Council (GCC) countries-A risk perspective
( MDPI AG , 2019 , Article Review)Supply systems for water, energy and food in the Gulf region are becoming highly interlinked. In the last decades, interdependence was evident in the increase of coproduction plants and the cross-sectoral resource use ... -
Winters are changing: snow effects on Arctic and alpine tundra ecosystems
( Canadian Science Publishing , 2022 , Article)Snow is an important driver of ecosystem processes in cold biomes. Snow accumulation determines ground temperature, light conditions and moisture availability during winter. It also affects the growing season’s start and ... -
WorldView-3 mapping of Tarmat deposits of the Ras Rakan Island, Northern Coast of Qatar: Environmental perspective
( Elsevier , 2021 , Article)This study characterizes the spectral behavior of tarmats and maps the tarmat deposits found along the coast of Ras Rakan Island off Qatar using WorldView-3 (WV-3) sensor data. The laboratory spectra of tar materials showed ... -
Wrf-chem simulation for modeling seasonal variations and distributions of aerosol pollutants over the middle east
( MDPI , 2021 , Article)Atmospheric aerosols and dust have become a challenge for urban air quality. The pre-sented study quantified seasonal spatio-temporal variations of aerosols, tropospheric ozone, and dust over the Middle East (ME) for the ... -
Zinc and Boron Application at Different Phenological Stages Alleviates Tree Growth, Fruit Yield and Quality of Sweet Orange Cv. ‘Blood Red’
( Springer Science and Business Media Deutschland GmbH , 2022 , Article)The deficiency of micronutrients, particularly zinc (Zn) and boron (B) has affected vegetative growth, yield and fruit quality of sweet orange in many citrus growing areas of Pakistan. The present study was conducted in ... -
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 ...