Browsing Environmental Science Center by Title
Now showing items 358-377 of 466
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Radioactivity levels in the marine environment along the Exclusive Economic Zone (EEZ) of Qatar
( Elsevier , 2015 , Article)A study on 137Cs, 40K, 226Ra, 228Ra, and 238U was carried out along the EEZ of Qatar. Results serve as the first ever baseline data. The level of 137Cs (mean value 1.6 ± 0.4 Bq m 3) in water filters was found to be in the ... -
Raman Spectroscopic and Microbial Study of Biofilms Hosted Gypsum Deposits in the Hypersaline Wetlands: Astrobiological Perspective
( Mary Ann Liebert Inc. , 2023 , Article)Gypsum (CaSO4.2H2O) has been identified at the surface of Mars, by both orbiters and rovers. Because gypsum mostly forms in the presence of liquid water as an essential element for sustaining microbial life and has a low ... -
Raman spectroscopy of the Dukhan sabkha: identification of geological and biogeological molecules in an extreme environment
( The Royal Society , 2010 , Article)The characterization of minerals and biogeological deposits in a terrestrial Arabian sabkha has a direct relevance for the exploration of Mars since the discovery by the NASA rovers Spirit and Opportunity of evaporate ... -
Reading tea leaves worldwide: Decoupled drivers of initial litter decomposition mass-loss rate and stabilization
( Wiley , 2024 , Other)The breakdown of plant material fuels soil functioning and biodiversity. Currently, process understanding of global decomposition patterns and the drivers of such patterns are hampered by the lack of coherent large-scale ... -
Recent developments in analytical methods for the assessment of microplastic contamination in the groundwater
( Elsevier , 2022 , Book chapter)Groundwater is the most important source of available freshwater used by more than 2 billion people around the world. Microplastics (MPs) is one of the emerging contaminants in the groundwater. There are several studies ... -
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 ... -
Recognizing Panulirus meripurpuratus sp. nov. (Decapoda: Palinuridae) in Brazil—Systematic and biogeographic overview of Panulirus species in the Atlantic Ocean
( Magnolia Press , 2016 , Article)Genetic analysis divides Panulirus argus into two different species, physically separated by the Amazon-Orinoco plume since the Last Glacial Maximum. Panulirus argus sensu stricto is distributed north of this biogeographic ... -
Reconstruction of Compressed Hyperspectral Image Using SqueezeNet Coupled Dense Attentional Net
( MDPI AG , 2023 , Article)This study addresses image denoising alongside the compression and reconstruction of hyperspectral images (HSIs) using deep learning techniques, since the research community is striving to produce effective results to ... -
Redefining the climate niche of plant species: A novel approach for realistic predictions of species distribution under climate change
( Elsevier , 2019 , Article)Climate change is increasingly affecting plant species distributions, in ways that need to be predicted. Here, in a novel prediction approach, we developed the relevant climate niche (RCN) of plants, based on thorough ... -
Reduced fertigation input sustains yield and physiological performance for improved economic returns and cleaner production of greenhouse eggplant
( Elsevier , 2024 , Article)Greenhouse horticulture, a sustainable alternative to conventional horticulture, maximises resource use and return for vegetable production. This study evaluated the impact of varying nutrient solution electrical conductivity ... -
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 ... -
Regional stratigraphy, facies distribution, and hydrocarbons potential of the Oligocene strata across the Arabian Plate and Western Iran
( Springer Verlag , 2019 , Article)Major global events during the Oligocene epoch included a climatic change from warm “greenhouse” to a cooler “icehouse” that was accompanied by the onset of Antarctic glaciation. These events led to decline in water ... -
Relationship Between Tree Size, Sediment Mud Content, Oxygen Levels, and Pneumatophore Abundance in the Mangrove Tree Species Avicennia Marina (Forssk.) Vierh
( MDPI , 2021 , Article)Mangroves are important in protecting and stabilizing coastal zones. Pneumatophores of the mangrove species Avicennia marina can form a large aboveground complex of aerial roots, which are important in supporting mangrove ... -
Relative contribution of plant traits and soil properties to the functioning of a temperate forest ecosystem in the Indian Himalayas
( Elsevier , 2020 , Article)© 2020 Elsevier B.V. Plant-soil interactions are a major determinant of changes in forest ecosystem processes and functioning. We conducted a trait-based study to quantify the contribution of plant traits and soil properties ... -
Remote sensing of desertification and study of temporal variability of aeolian deposits in parts of the Arabian Desert for sustainable development in an arid environment
( Academic Press Inc. , 2023 , Article)Aeolian deposit in part of the Arabian Desert is mapped using ASTER data to understand desertification, land encroachment, and degradation, and to assess agricultural development in arid regions. In this study, the ... -
Remote sensing of inland Sabkha and a study of the salinity and temporal stability for sustainable development: A case study from the West coast of Qatar
( Elsevier , 2021 , Article)The inland sabkha of the Arabian Gulf is important to study for the occurrence of minerals, rocks, soil salinity, and stability of the sabkha due to the high demand for infrastructure and agriculture development region. ... -
Remotely induced storm effects on the coastal flooding along the southwest coast of India
( Elsevier , 2023 , Article)The southwest coast of India is exposed to long-period swells propagated from the South Indian Ocean during pre- and post-monsoon seasons. Although swells from the Southern Ocean and Atlantic Ocean were identified in the ... -
Removal of heavy metals from wastewater by aerogel derived from date palm waste
( Elsevier , 2024 , Article)Cellulose that has been sourced from date palm leaves as a primary component was utilised. This cellulose served as the foundational material for the development of an aerogel composite. During this process, MXene (Ti3C2Tx) ... -
Reproductive effort of the European clam Ruditapes decussatus (Linnaeus, 1758): influence of different diets and temperatures
( Taylor & Francis , 2016 , Article)Ruditapes decussatus is a species of importance to aquaculture. For hatcheries to consistently produce spat it is essential to develop broodstock conditioning techniques. Food and temperature are the main factors that ... -
Retrieval of suspended sediment concentration (SSC) in the Arabian Gulf water of arid region by Sentinel-2 data
( Elsevier B.V. , 2023 , Article)Suspended sediment concentration (SSC) in water increases temperature and turbidity, limits the photosynthesis of aquatic plants, and reduces biologically available oxygen. It is important to study SSC in the coastal waters ...