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The effects of climate change on EO/IR propagation using CMIP6 global atmospheric forecasting simulations
Abstract Climate change-driven atmospheric effects are of particular concern to those who operate electro-optic and infrared (EO/IR) sensors, as atmospheric constituents such as water vapor, carbon dioxide, and aerosols drive the absorption and scattering effects necessary to characterize deployed optical system performance. Current models of EO/IR propagation are fed by statistics built off the historical state of the atmosphere by utilizing ground based observations, satellite data, or reanalysis datasets. Such methods are effective at characterizing EO/IR propagation for historical time periods, but do little to inform decisions related to future sensor deployment. This work utilizes future projections of atmospheric variables from the Coupled Model Intercomparison Project (CMIP6), an international collection of climate models, to characterize atmospheric transmittance, a metric closely tied to EO/IR performance. Analysis of regional transmittance (particularly in the long-wave infrared) reveals drops by as much as 20% from 2015-2100 for a path as short as 2 km - this is nearly a doubling of the band averaged extinction coefficient.
Optimizing resource allocation for IoT applications in the edge cloud continuum using hybrid metaheuristic algorithms
A pioneering artificial intelligence tool to predict treatment outcomes in ovarian cancer via diagnostic laparoscopy
Assessment of carcinogenic risk from indoor radon exposure influenced by geological structures in the mountains of southern Caspian Sea
CSP ubiquitylation favours Plasmodium berghei survival during early liver stage infection
Assessing insecticide susceptibility status of Anopheles mosquitoes in Gondar zuria district, Northwest Ethiopia
Radiological risks in Nasser lake water and their health and environmental implications
Abstract This study aimed to evaluate the activity concentrations of naturally occurring radionuclides (NORs) in Nasser Lake water, assess the associated radiological risks, and investigate the potential health and environmental impacts. The presence of these NORs is attributed to both natural geological formations, such as uranium-rich granitic and metamorphic rocks, and anthropogenic activities, including agricultural runoff. Water samples were analyzed for radium-226 (Ra-226), thorium-232 (Th-232), and potassium-40 (K-40). The Ra-226 concentration ranged from 0.08 ± 0.003 to 1.28 ± 0.06 becquerel per liter (Bq/l), mostly between 0.2 and 1.0 Bq/l, reflecting geological and anthropogenic influences. The symbol (±) represents the measurement uncertainty associated with gamma spectrometric analysis. According to international radiation safety guidelines, Ra-226 levels below 1 Bq/l are considered safe for consumption. The Th-232 concentration varied from 0.04 ± 0.001 to 0.96 ± 0.06 Bq/l, showing significant spatial variation. Similarly, K-40 concentrations ranged from 1.35 ± 0.11 to 16.57 ± 1.43 Bq/l, with some notably high values. The annual effective dose (E ff ) ranged from 15.8 to 266.15 micro sievert per year (µSv/y) for adults, reaching 362.92 µSv/y for children and 221.54 µSv/y for infants. The doses for children and infants exceeded the recommended thresholds. Cancer risk (CR) assessments showed that men’s mortality risks ranged from 2.56 × 10−5 to 4.10 × 10−4, while women’s ranged from 2.68 × 10−5 to 4.29 × 10−4. Morbidity risks varied between 3.72 × 10−5 and 5.95 × 10−4 for men and 3.89 × 10−5 to 6.22 × 10−4 for women. These risks correlate with specific lake locations, highlighting hot spots with elevated radioactive content. Water acidity levels (pH) ranged from 6.23 to 7.9, indicating predominantly neutral to slightly alkaline conditions. These variations correlated with electrical conductivity (EC), reflecting complex interaction between pH, EC, and NORs. The study assesses gamma radiation hazards from external exposure and internal risks from alpha-emitting radionuclides, such as Ra-226 and Th-232, through water ingestion. While most samples comply with standard radiation limits, elevated radionuclide levels in certain areas pose potential health risks, particularly for vulnerable populations like children. Continuous monitoring of radiological parameters in Naser Lake is essential to trace long-term trends and ensure safety compliance. Additionally, advanced water treatment methods could help mitigate radionuclide concentrations in affected areas.
Synthesis and catalytic activity of silver- reduced graphene oxide and silver- magnetite- reduced graphene oxide nanocomposites in the reduction of 4-nitrophenol
Distance and relative humidity contributions to the atomic force microscopy off surface electrostatic response of soda lime glass
First evidence of Limoniidae (Diptera: Nematocera) in French amber from Oise
Abstract This paper describes three new species found as inclusions in Early Eocene amber from Oise (northern France). Two of these species belong to the genus Cheilotrichia: Cheilotrichia oisensis Kopeć, Krzemiński & Kania-Kłosok sp. nov, Cheilotrichia gallica Kopeć, Krzemiński & Kania-Kłosok sp. nov., while one represents the genus Dicranomyia : Dicranomyia (Dicranomyia) podenasi Kopeć, Krzemiński & Kania-Kłosok sp. nov. This marks the first discovery of Limoniidae representatives in Oise amber, the oldest known Eocene resin, dating back approximately 55–53 Ma (Early Eocene, Ypresian). Our analysis indicates that the species composition of Limoniidae (Diptera, Nematocera) in Oise amber differs from that in Baltic amber. Despite their similar geographical origins, these ambers were produced in different periods and by different trees. The study of Oise amber provides valuable insights into the fauna of the earliest Eocene. These new discoveries contribute to our understanding of the evolutionary history of Limoniidae, particularly during the Early Eocene.