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https://www.readbyqxmd.com/read/27915392/sediment-suspension-and-the-dynamic-mechanism-during-storms-in-the-yellow-river-delta
#1
Shuhua Bian, Zjian Hu, Jianqiang Liu, Zichen Zhu
The suspension and hydrodynamic characteristics of the Yellow River Delta during storms were analyzed based on suspended samples obtained using automatic samplers during a storm event in the Yellow River Delta. Synchronous data for winds, waves, and tides were also collected from a nearby station. The results show that under wind speeds of 5-15 m/s and wave heights of 50-150 cm, the suspended content reached 5.7-49.6 kg/m(3), which is 10-100 times higher than that under normal weather conditions. The medium diameter of suspended particles was 1...
December 2016: Environmental Monitoring and Assessment
https://www.readbyqxmd.com/read/27914352/searching-for-novel-modes-of-toxic-actions-of-oil-spill-using-e-%C3%A2-coli-live-cell-array-reporter-system-a-hebei-spirit-oil-spill-study
#2
Dawoon Jung, Miao Guan, Sangwoo Lee, Cheolmin Kim, Hyesoo Shin, Seongjin Hong, Un Hyuk Yim, Won Joon Shim, John P Giesy, Jong Seong Khim, Xiaowei Zhang, Kyungho Choi
Oil is a complex mixture of numerous compounds. Therefore, oil spills near shore can cause various adverse effects on coastal ecosystems. However, most toxicological assessments conducted on oil spill sites have focused on limited modes of toxic actions. In the present study, we utilized the Escherichia coli (E. coli) live cell array system (LCA) to identify novel modes of toxicities of the oil spill-affected sediments. For this purpose, sediment samples were collected from an area heavily polluted by Hebei Spirit oil spill (HSOS) incident of 2007...
November 30, 2016: Chemosphere
https://www.readbyqxmd.com/read/27913023/in-stream-metabolism-and-atmospheric-carbon-sequestration-in-a-groundwater-fed-karst-stream
#3
Junbing Pu, Jianhong Li, Mitra B Khadka, Jonathan B Martin, Tao Zhang, Shi Yu, Daoxian Yuan
Atmospheric carbon sequestered in karst systems through dissolution of carbonate minerals is considered to have no net effect on long-term regional and global carbon budgets because precipitation of dissolved carbonate minerals emits CO2 back to the atmosphere. Even though recent studies have implied that rapid kinetics of carbonate dissolution coupled with the aquatic photosynthetic uptake of dissolve inorganic carbon (DIC) could facilitate a stable atmospheric C sink in karst rivers and streams, little is known about the magnitudes and long-term stability of this C sink...
November 29, 2016: Science of the Total Environment
https://www.readbyqxmd.com/read/27912868/correlation-between-total-solar-irradiance-and-glycated-hemoglobin-2-to-3-months-later-in-patients-with-diabetes-a-big-data-analysis
#4
Shigesumi Kinchiku, Kazuhiko Kotani, Yukiko Maruguchi, Anna Aikou, Hitoshi Uenomachi, Shouko Kajiya
OBJECTIVES: Much attention has been paid recently to a relationship between glucose metabolism and weather. This study investigated the temporal correlation between total solar irradiance (TSI) and glycated hemoglobin (A1C) values in patients with diabetes. METHODS: In 1531 patients with diabetes who received follow-up care between 2009 and 2013 (type 1 diabetes, 123 patients; type 2 diabetes, 1408 patients; male 53.6%; mean age, 61.2 years), A1C levels were measured a total of 58,830 times...
December 2016: Canadian Journal of Diabetes
https://www.readbyqxmd.com/read/27912136/modeling-the-interannual-variability-of-microbial-quality-metrics-of-irrigation-water-in-a-pennsylvania-stream
#5
Eun-Mi Hong, Daniel Shelton, Yakov A Pachepsky, Won-Ho Nam, Cary Coppock, Richard Muirhead
Knowledge of the microbial quality of irrigation waters is extremely limited. For this reason, the US FDA has promulgated the Produce Rule, mandating the testing of irrigation water sources for many farms. The rule requires the collection and analysis of at least 20 water samples over two to four years to adequately evaluate the quality of water intended for produce irrigation. The objective of this work was to evaluate the effect of interannual weather variability on surface water microbial quality. We used the Soil and Water Assessment Tool model to simulate E...
November 29, 2016: Journal of Environmental Management
https://www.readbyqxmd.com/read/27909564/seasons-in-the-sun-the-impact-on-ivf-results-one-month-later
#6
F Vandekerckhove, H Van der Veken, K Tilleman, I De Croo, E Van den Abbeel, J Gerris, P De Sutter
BACKGROUND: Several retrospective studies have evaluated seasonal variations in the outcome of IVF treatment. Some also included weather conditions, mostly temperature and hours of daylight. The results were conflicting. METHODS: In a retrospective study we analysed all fresh cycles (N = 9865) that were started between January 1, 2007 and December 31, 2012. Because some patients were included more than once, correction for duplicate patients was performed. We focused on individual variables provided as monthly results by our national meteorological institute...
June 27, 2016: Facts, Views & Vision in ObGyn
https://www.readbyqxmd.com/read/27909431/the-microbiota-of-recreational-freshwaters-and-the-implications-for-environmental-and-public-health
#7
Chang Soo Lee, Minseok Kim, Cheonghoon Lee, Zhongtang Yu, Jiyoung Lee
The microbial communities in recreational freshwaters play important roles in both environmental and public health perspectives. In this study, the bacterial community structure and its associations with freshwater environments were investigated by analyzing the summertime microbiomes of three beach waters in Ohio (East Fork, Delaware, and Madison lakes) together with environmental and microbial water quality parameters. From the swimming season of 2009, 21 water samples were collected from the three freshwater beaches...
2016: Frontiers in Microbiology
https://www.readbyqxmd.com/read/27907880/release-of-1-3-5-trinitroperhydro-1-3-5-triazine-rdx-from-polymer-bonded-explosives-pbxn-109-into-water-by-artificial-weathering
#8
M Kumar, M K Ladyman, N Mai, T Temple, F Coulon
Polymer-bonded explosives (PBX) fulfil the need for insensitive munitions. However, the environmental impacts of PBX are unclear, even though it is likely that PBX residues from low-order detonations and unexploded ordnance are deposited on military training ranges. The release of high explosives from the polymer matrix into the environment has not been studied in detail, although as polymers degrade slowly in the environment we anticipate high explosives to be released into the environment. In this study, PBXN-109 (nominally 64% RDX) samples were exposed to variable UK climatic conditions reproduced in the laboratory to determine the effects of temperature, UV irradiation and rainfall on the release of RDX from the polymer binder...
November 28, 2016: Chemosphere
https://www.readbyqxmd.com/read/27905827/modeling-pn2-through-geological-time-implications-for-planetary-climates-and-atmospheric-biosignatures
#9
E E Stüeken, M A Kipp, M C Koehler, E W Schwieterman, B Johnson, R Buick
Nitrogen is a major nutrient for all life on Earth and could plausibly play a similar role in extraterrestrial biospheres. The major reservoir of nitrogen at Earth's surface is atmospheric N2, but recent studies have proposed that the size of this reservoir may have fluctuated significantly over the course of Earth's history with particularly low levels in the Neoarchean-presumably as a result of biological activity. We used a biogeochemical box model to test which conditions are necessary to cause large swings in atmospheric N2 pressure...
December 1, 2016: Astrobiology
https://www.readbyqxmd.com/read/27905271/the-effects-of-climate-factors-on-scabies-a-14-year-population-based-study-in-taiwan
#10
Jui-Ming Liu, Hsiao-Wei Wang, Fung-Wei Chang, Yueh-Ping Liu, Feng-Hsiang Chiu, Yi-Chun Lin, Kuan-Chen Cheng, Ren-Jun Hsu
Scabies is a common infectious disease and can cause severe outbreaks if not controlled quickly. Besides personal contact history, environmental factors are also important. This study analyzed the effects of environmental climate factors on the incidence of scabies in Taiwan. We conducted a 14-year nationwide population-based study: a total of 14,883 patients with scabies infestation were enrolled. Monthly climate data were collected from Taiwan's Central Weather Bureau, including data on temperature, relative humidity, total rainfall, total rain days, and total sunshine hours...
2016: Parasite: Journal de la Société Française de Parasitologie
https://www.readbyqxmd.com/read/27904582/the-role-of-peroxisome-proliferator-activated-receptor-coactivator-1-gene-in-skin-aging
#11
REVIEW
Shahrzad Aghaei, Mohammad Ali Nilforoushzadeh, Maryam Aghaei
Skin aging is a continuous process that exhibits fine and deep wrinkles, thin and transparent skin, loss of underlying fat, dry skin and itch, following decreased collagen and elastin synthesis. Both extrinsic and intrinsic agents are considered in the pathogenesis on skin aging. Extrinsic factors such as sun exposure, windy and dry weather, nutrition, and lifestyle may induce premature aging, toxic-free radicals, and reactive oxygen species due to decreasing normal function of mitochondria which play the major intrinsic factors in premature skin aging...
2016: Journal of Research in Medical Sciences: the Official Journal of Isfahan University of Medical Sciences
https://www.readbyqxmd.com/read/27904460/d-psa-k-a-model-for-estimating-the-accumulated-potential-damage-on-kiwifruit-canes-caused-by-bacterial-canker-during-the-growing-and-overwintering-seasons
#12
Ki Seok Do, Bong Nam Chung, Jae Ho Joa
We developed a model, termed D-PSA-K, to estimate the accumulated potential damage on kiwifruit canes caused by bacterial canker during the growing and overwintering seasons. The model consisted of three parts including estimation of the amount of necrotic lesion in a non-frozen environment, the rate of necrosis increase in a freezing environment during the overwintering season, and the amount of necrotic lesion on kiwifruit canes caused by bacterial canker during the overwintering and growing seasons. We evaluated the model's accuracy by comparing the observed maximum disease incidence on kiwifruit canes against the damage estimated using weather and disease data collected at Wando during 1994-1997 and at Seogwipo during 2014-2015...
December 2016: Plant Pathology Journal
https://www.readbyqxmd.com/read/27904417/global-warming-and-the-possible-globalization-of-vector-borne-diseases-a-call-for-increased-awareness-and-action
#13
Emmanuel O Balogun, Andrew J Nok, Kiyoshi Kita
Human activities such as burning of fossil fuels play a role in upsetting a previously more balanced and harmonious ecosystem. Climate change-a significant variation in the usual pattern of Earth's average weather conditions is a product of this ecosystem imbalance, and the rise in the Earth's average temperature (global warming) is a prominent evidence. There is a correlation between global warming and the ease of transmission of infectious diseases. Therefore, with global health in focus, we herein opine a stepping-up of research activities regarding global warming and infectious diseases globally...
2016: Tropical Medicine and Health
https://www.readbyqxmd.com/read/27903058/space-time-epidemiology-and-effect-of-meteorological-parameters-on-influenza-like-illness-in-phitsanulok-a-northern-province-in-thailand
#14
Prakash Madhav Nimbalkar, Nitin Kumar Tripathi
Influenza-like illness (ILI) is an acute respiratory disease that remains a public health concern for its ability to circulate globally affecting any age group and gender causing serious illness with mortality risk. Comprehensive assessment of the spatio-temporal dynamics of ILI is a prerequisite for effective risk assessment and application of control measures. Though meteorological parameters, such as rainfall, average relative humidity and temperature, influence ILI and represent crucial information for control of this disease, the relation between the disease and these variables is not clearly understood in tropical climates...
November 21, 2016: Geospatial Health
https://www.readbyqxmd.com/read/27903057/spatial-analysis-and-prediction-of-the-flow-of-patients-to-public-health-centres-in-a-middle-sized-spanish-city
#15
Isabel Ramos, Juan J Cubillas, Francisco R Feito, Tomas Ureña
Human and medical resources in the Spanish primary health care centres are usually planned and managed on the basis of the average number of patients in previous years. However, sudden increases in patient demand leading to delays and slip-ups can occur at any time without warning. This paper describes a predictive model capable of calculating patient demand in advance using geospatial data, whose values depend directly on weather variables and location of the health centre people are assigned to. The results obtained here show that outcomes differ from one centre to another depending on variations in the variables measured...
November 21, 2016: Geospatial Health
https://www.readbyqxmd.com/read/27902719/community-wide-distribution-of-a-catalytic-device-to-reduce-winter-ambient-fine-particulate-matter-from-residential-wood-combustion-a-field-study
#16
Olivia Johnston, Fay Johnston, John Todd, Grant Williamson
Residential wood combustion is the main source of elevated concentrations of fine particulate matter (PM2.5) during winter in many towns of Tasmania, Australia. A commercially available firebox catalyst in Australia has previously been shown to reduce visible smoke emissions and the manufacturer reports reductions in particle emissions generated from individual wood heaters in laboratory settings. This study aimed to evaluate the potential for community-wide distribution of the catalyst to improve the ambient winter air quality in the field...
2016: PloS One
https://www.readbyqxmd.com/read/27901077/very-rapid-long-distance-sea-crossing-by-a-migratory-bird
#17
José A Alves, Maria P Dias, Verónica Méndez, Borgný Katrínardóttir, Tómas G Gunnarsson
Landbirds undertaking within-continent migrations have the possibility to stop en route, but most long-distance migrants must also undertake large non-stop sea crossings, the length of which can vary greatly. For shorebirds migrating from Iceland to West Africa, the shortest route would involve one of the longest continuous sea crossings while alternative, mostly overland, routes are available. Using geolocators to track the migration of Icelandic whimbrels (Numenius phaeopus), we show that they can complete a round-trip of 11,000 km making two non-stop sea crossings and flying at speeds of up to 24 m s(-1); the fastest recorded for shorebirds flying over the ocean...
November 30, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27900399/quantitative-trait-loci-mapping-of-heat-tolerance-in-broccoli-brassica-oleracea-var-italica-using-genotyping-by-sequencing
#18
Sandra E Branham, Zachary J Stansell, David M Couillard, Mark W Farnham
Five quantitative trait loci and one epistatic interaction were associated with heat tolerance in a doubled haploid population of broccoli evaluated in three summer field trials. Predicted rising global temperatures due to climate change have generated a demand for crops that are resistant to yield and quality losses from heat stress. Broccoli (Brassica oleracea var. italica) is a cool weather crop with high temperatures during production decreasing both head quality and yield. Breeding for heat tolerance in broccoli has potential to both expand viable production areas and extend the growing season but breeding efficiency is constrained by limited genetic information...
November 29, 2016: TAG. Theoretical and Applied Genetics. Theoretische und Angewandte Genetik
https://www.readbyqxmd.com/read/27899025/empirical-model-for-calculating-dengue-incidence-using-temperature-rainfall-and-relative-humidity-a-19-year-retrospective-analysis-in-east-delhi-india
#19
V G Ramachandran, Priyamvada Roy, Shukla Das, Narendra Singh Mogha, Ajay Kumar Bansal
Purpose: Aedes mosquito is responsible for transmitting dengue virus. Mosquito lifecycle is known to be influenced by temperature, rainfall and relative humidity. This retrospective study was planned to investigate if climatic factors can be used to predict occurrence of dengue cases in our area. Methods: Number of monthly dengue cases reported for a period of 19 years was obtained. Monthly data of rainfall, temperature and humidity collected from local Weather Station was correlated with number of monthly reported dengue cases...
November 27, 2016: Epidemiology and Health
https://www.readbyqxmd.com/read/27898949/modeling-response-to-heat-stress-in-pigs-from-nucleus-and-commercial-farms-in-different-locations-in-the-united-states
#20
B O Fragomeni, D A L Lourenco, S Tsuruta, S Andonov, K Gray, Y Huang, I Misztal
The purpose of this study was to analyze the impact of seasonal losses due to heat stress in different environments and genetic group combinations. Data were available for 2 different swine populations: purebred Duroc animals raised in nucleus farms in Texas and North Carolina and crosses of Duroc and F females (Landrace × Large White) raised in commercial farms in Missouri and North Carolina; pedigrees provided links between animals from different states. Traits included BW at harvest age for purebred animals and HCW for crossbred animals...
November 2016: Journal of Animal Science
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