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https://www.readbyqxmd.com/read/28436491/extratropical-forcing-triggered-the-2015-madden-julian-oscillation-el-ni%C3%A3-o-event
#1
Chi-Cherng Hong, Huang-Hsiung Hsu, Wan-Ling Tseng, Ming-Ying Lee, Chun-Hoe Chow, Li-Chiang Jiang
In this paper, we report the triggering effect of extratropical perturbation on the onset of an atypical Madden-Julian Oscillation (MJO) and onset of the 2015-16 El Niño in March 2015. The MJO exhibited several unique characteristics: the effect of extratropical forcing, atypical genesis location and timing in the equatorial western Pacific, and the extremity of amplitudes in many aspects. The southward-penetrating northerly associated with the extratropical disturbances in the extratropical western North Pacific contributed to triggering the deep convection and westerly wind burst (WWB) and onset of the MJO over the anomalously warm tropical western Pacific in early March...
April 24, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28423109/effects-of-climatic-and-social-factors-on-dengue-incidence-in-mexican-municipalities-in-the-state-of-veracruz
#2
Grea Litai Moreno-Banda, Horacio Riojas-Rodríguez, Magali Hurtado-Díaz, Rogelio Danis-Lozano, Stephen Joel Rothenberg
Objective: To assess links between the social variables and longer-term El Niño-Southern Oscillation (ENSO) related weather conditions as they relate to the week-to-week changes in dengue incidence at a regional level. Materials and methods: We collected data from 10 municipalities of the Olmeca region in México, over a 10 year period (January 1995 to December 2005). Negative binomial models with distributed lags were adjusted to look for associations between changes in the weekly incidence rate of dengue fever and climate variability...
January 2017: Salud Pública de México
https://www.readbyqxmd.com/read/28421809/ingestas-de-energ%C3%A3-a-y-nutrientes-recomendadas-en-la-uni%C3%A3-n-europea-2008-2016
#3
Antoni García Gabarra, Marta Castellà Soley, Alicia Calleja Fernández
Esta revisión tiene por objeto reflejar los cambios producidos en la legislación de la Unión Europea y los dictámenes de la Autoridad Europea de Seguridad Alimentaria en relación al etiquetado nutricional de los alimentos, a los valores de referencia de energía, macronutrientes y micronutrientes, y a los niveles máximos de ingesta tolerable. La vigente legislación europea utiliza los valores de referencia para el etiquetado establecidos por el Comité Científico de la Alimentación Humana en 2003. Sería aconsejable una actualización de los mismos a partir de los valores de referencia establecidos por dicha autoridad europea para vitaminas y minerales...
March 30, 2017: Nutrición Hospitalaria: Organo Oficial de la Sociedad Española de Nutrición Parenteral y Enteral
https://www.readbyqxmd.com/read/28421808/insatisfacci%C3%A3-n-con-la-imagen-corporal-en-ni%C3%A3-os-y-adolescentes-revisi%C3%A3-n-sistem%C3%A3-tica
#4
Paloma Jiménez Flores, Arturo Jiménez Cruz, Montserrat Bacardi Gascón
Introducción: la diferencia de la percepción entre la silueta percibida y la deseada se ha definido como insatisfacción con la imagen corporal (IMCO).Objetivo: evaluar los métodos utilizados para medir la IMCO y la frecuencia de la IMCO en niños y adolescentes.Metodología: se buscaron artículos registrados en las bases de datos de PubMed, EBSCOhost y Scielo, de estudios transversales en inglés y español, que valoraran la IMCO en niños y adolescentes publicados de abril de 2010 al mes de abril de 2015...
March 30, 2017: Nutrición Hospitalaria: Organo Oficial de la Sociedad Española de Nutrición Parenteral y Enteral
https://www.readbyqxmd.com/read/28421801/actitudes-de-escolares-chilenos-de-distinto-nivel-socioecon%C3%A3-mico-al-inicio-de-la-implementaci%C3%A3-n-de-la-ley-que-regula-la-venta-y-publicidad-de-alimentos-altos-en-nutrientes-cr%C3%A3-ticos
#5
Sonia Olivares Cortes, Jacqueline Araneda Flores, Gladys Morales Illanes, Bárbara Leyton Dinamarca, Nelly Bustos Zapata, María Angélica Hernández Moreno, María Teresa Oyarzún Macchiavello
Introducción: el 27 de junio de 2016 se implementó en Chile la Ley sobre Composición Nutricional de los Alimentos y su Publicidad, que implica rotular el envase de los alimentos procesados, altos en calorías, grasas saturadas, azúcares y sodio.Objetivo: determinar las actitudes de escolares de 8 a 12 años, de distinto nivel socioeconómico (NSE) y estado nutricional, ante el nuevo etiquetado de los alimentos.Métodos: se aplicó una encuesta validada previamente, agregando preguntas sobre los nuevos sellos en los envases de alimentos y bebidas...
March 30, 2017: Nutrición Hospitalaria: Organo Oficial de la Sociedad Española de Nutrición Parenteral y Enteral
https://www.readbyqxmd.com/read/28421800/prevalencia-y-factores-asociados-al-consumo-de-bebidas-azucaradas-en-escolares-de-9-a-17-a%C3%A3-os-de-bogot%C3%A3-colombia-estudio-fuprecol
#6
Robinson Ramírez-Vélez, Juan Camilo Fuerte-Celis, Javier Martínez-Torres, Jorge Enrique Correa-Bautista
Objetivo: determinar la prevalencia y los factores asociados al consumo de bebidas azucaradas en una población escolar de Bogotá, Colombia, pertenecientes al Estudio FUPRECOL.Métodos: estudio descriptivo y transversal, realizado en 8.136 niños y adolescentes en edad escolar entre 9 y 17 años de Bogotá, Colombia. El peso, la estatura, el índice de masa corporal (IMC), la circunferencia de cintura y el porcentaje de grasa se recogieron como marcadores antropométricos y de composición corporal. El consumo de bebidas azucaradas (bebidas carbonatadas, jugos ultra-procesados y/o té), y los factores asociados (sexo, edad, obesidad abdominal, clasificación del IMC, grado de estudios de la madre/padre, y nivel nutricional por cuestionario "Krece plus" indicador de adherencia a la dieta mediterránea), se recogieron por encuesta estructurada...
March 30, 2017: Nutrición Hospitalaria: Organo Oficial de la Sociedad Española de Nutrición Parenteral y Enteral
https://www.readbyqxmd.com/read/28421270/climate-variability-impacts-on-rainfed-cereal-yields-in-west-and-northwest-iran
#7
Milad Nouri, Mehdi Homaee, Mohammad Bannayan
In order to assess the response of wheat and barley to climate variability, the correlation between variations of yields with local and global climate variables was investigated in west and northwest Iran over 1982-2013. The global climate variables were the El Niño-Southern Oscillation (ENSO), Arctic Oscillation (AO), and North Atlantic Oscillation (NAO) signals. Further, minimum (T min), maximum (T max), and mean (T mean) temperature, diurnal temperature range (DTR), precipitation, and reference evapotranspiration (ET0) was used as local weather factors...
April 18, 2017: International Journal of Biometeorology
https://www.readbyqxmd.com/read/28418083/inter-annual-variation-in-methane-emissions-from-tropical-wetlands-triggered-by-repeated-el-ni%C3%A3-o-southern-oscillation
#8
Qiuan Zhu, Changhui Peng, Philippe Ciais, Hong Jiang, Jinxun Liu, Philippe Bousquet, Shiqin Li, Jie Chang, Xiuqin Fang, Xiaolu Zhou, Huai Chen, Shirong Liu, Guanghui Lin, Peng Gong, Meng Wang, Han Wang, Wenhua Xiang, Jing Chen
Methane (CH4 ) emissions from tropical wetlands contribute 60-80% of global natural wetland CH4 emissions. Decreased wetland CH4 emissions can act as a negative feedback mechanism for future climate warming and vice versa. The impact of the El Niño-Southern Oscillation (ENSO) on CH4 emissions from wetlands remains poorly quantified at both regional and global scales, and El Niño events are expected to become more severe based on climate models projections. We use a process-based model of global wetland CH4 emissions to investigate the impacts of the ENSO on CH4 emissions in tropical wetlands for the period from 1950 to 2012...
April 18, 2017: Global Change Biology
https://www.readbyqxmd.com/read/28413732/calcification-and-growth-rate-recovery-of-the-reef-building-pocillopora-species-in-the-northeast-tropical-pacific-following-an-enso-disturbance
#9
Jose de Jesús A Tortolero-Langarica, Alma P Rodríguez-Troncoso, Amílcar L Cupul-Magaña, Juan P Carricart-Ganivet
Pocilloporids are one of the major reef-building corals in the eastern tropical Pacific (ETP) and also the most affected by thermal stress events, mainly those associated with El Niño/Southern Oscillation (ENSO) periods. To date, coral growth parameters have been poorly reported in Pocillopora species in the northeastern region of the tropical Pacific. Monthly and annual growth rates of the three most abundant morphospecies (P. cf. verrucosa, P. cf. capitata, and P. cf. damicornis) were evaluated during two annual periods at a site on the Pacific coast of Mexico...
2017: PeerJ
https://www.readbyqxmd.com/read/28396423/el-ni%C3%A3-o-and-the-shifting-geography-of-cholera-in-africa
#10
Sean M Moore, Andrew S Azman, Benjamin F Zaitchik, Eric D Mintz, Joan Brunkard, Dominique Legros, Alexandra Hill, Heather McKay, Francisco J Luquero, David Olson, Justin Lessler
The El Niño Southern Oscillation (ENSO) and other climate patterns can have profound impacts on the occurrence of infectious diseases ranging from dengue to cholera. In Africa, El Niño conditions are associated with increased rainfall in East Africa and decreased rainfall in southern Africa, West Africa, and parts of the Sahel. Because of the key role of water supplies in cholera transmission, a relationship between El Niño events and cholera incidence is highly plausible, and previous research has shown a link between ENSO patterns and cholera in Bangladesh...
April 10, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28387247/identification-of-the-driving-forces-of-climate-change-using-the-longest-instrumental-temperature-record
#11
Geli Wang, Peicai Yang, Xiuji Zhou
The identification of causal effects is a fundamental problem in climate change research. Here, a new perspective on climate change causality is presented using the central England temperature (CET) dataset, the longest instrumental temperature record, and a combination of slow feature analysis and wavelet analysis. The driving forces of climate change were investigated and the results showed two independent degrees of freedom -a 3.36-year cycle and a 22.6-year cycle, which seem to be connected to the El Niño-Southern Oscillation cycle and the Hale sunspot cycle, respectively...
April 7, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28386102/meteorological-fluctuations-define-long-term-crop-yield-patterns-in-conventional-and-organic-production-systems
#12
John R Teasdale, Michel A Cavigelli
Variability in meteorological patterns presents significant challenges to crop production consistency and yield stability. Meteorological influences on corn and soybean grain yields were analyzed over an 18-year period at a long-term experiment in Beltsville, Maryland, U.S.A., comparing conventional and organic management systems. Precipitation and temperature variables explained much of the yield variability, with precipitation and heat stress during the late vegetative and early reproductive phases of crop growth accounting for the majority of yield variability in all crops and management systems...
April 6, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28378354/ecological-regime-shift-drives-declining-growth-rates-of-sea-turtles-throughout-the-west-atlantic
#13
Karen A Bjorndal, Alan B Bolten, Milani Chaloupka, Vincent S Saba, Cláudio Bellini, Maria A G Marcovaldi, Armando J B Santos, Luis Felipe Wurdig Bortolon, Anne B Meylan, Peter A Meylan, Jennifer Gray, Robert Hardy, Beth Brost, Michael Bresette, Jonathan C Gorham, Stephen Connett, Barbara Van Sciver Crouchley, Mike Dawson, Deborah Hayes, Carlos E Diez, Robert P van Dam, Sue Willis, Mabel Nava, Kristen M Hart, Michael S Cherkiss, Andrew G Crowder, Clayton Pollock, Zandy Hillis-Starr, Fernando A Muñoz Tenería, Roberto Herrera-Pavón, Vanessa Labrada-Martagón, Armando Lorences, Ana Negrete-Philippe, Margaret M Lamont, Allen M Foley, Rhonda Bailey, Raymond R Carthy, Russell Scarpino, Erin McMichael, Jane A Provancha, Annabelle Brooks, Adriana Jardim, Milagros López-Mendilaharsu, Daniel González-Paredes, Andrés Estrades, Alejandro Fallabrino, Gustavo Martínez-Souza, Gabriela M Vélez-Rubio, Ralf H Boulon, Jaime A Collazo, Robert Wershoven, Vicente Guzmán Hernández, Thomas B Stringell, Amdeep Sanghera, Peter B Richardson, Annette C Broderick, Quinton Phillips, Marta Calosso, John A B Claydon, Tasha L Metz, Amanda L Gordon, Andre M Landry, Donna J Shaver, Janice Blumenthal, Lucy Collyer, Brendan J Godley, Andrew McGowan, Matthew J Witt, Cathi L Campbell, Cynthia J Lagueux, Thomas L Bethel, Lory Kenyon
Somatic growth is an integrated, individual-based response to environmental conditions, especially in ectotherms. Growth dynamics of large, mobile animals are particularly useful as bio-indicators of environmental change at regional scales. We assembled growth rate data from throughout the West Atlantic for green turtles, Chelonia mydas, which are long-lived, highly migratory, primarily herbivorous mega-consumers that may migrate over hundreds to thousands of kilometers. Our dataset, the largest ever compiled for sea turtles, has 9690 growth increments from 30 sites from Bermuda to Uruguay from 1973 to 2015...
April 4, 2017: Global Change Biology
https://www.readbyqxmd.com/read/28364751/inferring-directed-climatic-interactions-with-renormalized-partial-directed-coherence-and-directed-partial-correlation
#14
Giulio Tirabassi, Linda Sommerlade, Cristina Masoller
Inferring interactions between processes promises deeper insight into mechanisms underlying network phenomena. Renormalised partial directed coherence is a frequency-domain representation of the concept of Granger causality, while directed partial correlation is an alternative approach for quantifying Granger causality in the time domain. Both methodologies have been successfully applied to neurophysiological signals for detecting directed relationships. This paper introduces their application to climatological time series...
March 2017: Chaos
https://www.readbyqxmd.com/read/28364749/percolation-framework-to-describe-el-ni%C3%A3-o-conditions
#15
Jun Meng, Jingfang Fan, Yosef Ashkenazy, Shlomo Havlin
Complex networks have been used intensively to investigate the flow and dynamics of many natural systems including the climate system. Here, we develop a percolation based measure, the order parameter, to study and quantify climate networks. We find that abrupt transitions of the order parameter usually occur ∼1 year before El Niño events, suggesting that they can be used as early warning precursors of El Niño. Using this method, we analyze several reanalysis datasets and show the potential for good forecasting of El Niño...
March 2017: Chaos
https://www.readbyqxmd.com/read/28364744/climate-network-stability-measures-of-el-ni%C3%A3-o-variability
#16
Qing Yi Feng, Henk A Dijkstra
One of the crucial aspects that is currently limiting the success of El Niño predictions is the stability of the slowly varying Pacific climate state. This property determines whether or not sea surface temperature perturbations will be amplified by coupled ocean-atmosphere feedbacks. The so-called Bjerknes stability index has been developed for this purpose, but its evaluation is severely constrained by data availability. Here, we present new network based measures of the stability of the Pacific climate state...
March 2017: Chaos
https://www.readbyqxmd.com/read/28357507/examination-of-climatological-wind-patterns-and-simulated-pollen-dispersion-in-a-complex-island-environment
#17
Brian J Viner, Raymond W Arritt, Mark E Westgate
Complex terrain creates small-scale circulations which affect pollen dispersion but may be missed by meteorological observing networks and coarse-grid meteorological models. On volcanic islands, these circulations result from differing rates of surface heating between land and sea as well as rugged terrain. We simulated the transport of bentgrass, ryegrass, and maize pollen from 30 sources within the agricultural regions of the Hawaiian island Kaua'i during climatological conditions spanning season conditions and the La Niña, El Niño, and neutral phases of the El Niño-Southern Oscillation...
March 29, 2017: International Journal of Biometeorology
https://www.readbyqxmd.com/read/28346899/multi-scale-approach-to-euro-atlantic-climatic-cycles-based-on-phenological-time-series-air-temperatures-and-circulation-indexes
#18
Luigi Mariani, Franco Zavatti
The spectral periods in North Atlantic Oscillation (NAO), Atlantic Multidecadal Oscillation (AMO) and El Nino Southern Oscillation (ENSO) were analyzed and has been verified how they imprint a time series of European temperature anomalies (ETA), two European temperature time series and some phenological series (dates of cherry flowering and grapevine harvest). Such work had as reference scenario the linear causal chain MCTP (Macroscale Circulation→Temperature→Phenology of crops) that links oceanic and atmospheric circulation to surface air temperature which in its turn determines the earliness of appearance of phenological phases of plants...
March 24, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28333165/mass-coral-mortality-under-local-amplification-of-2%C3%A2-%C3%A2-c-ocean-warming
#19
Thomas M DeCarlo, Anne L Cohen, George T F Wong, Kristen A Davis, Pat Lohmann, Keryea Soong
A 2 °C increase in global temperature above pre-industrial levels is considered a reasonable target for avoiding the most devastating impacts of anthropogenic climate change. In June 2015, sea surface temperature (SST) of the South China Sea (SCS) increased by 2 °C in response to the developing Pacific El Niño. On its own, this moderate, short-lived warming was unlikely to cause widespread damage to coral reefs in the region, and the coral reef "Bleaching Alert" alarm was not raised. However, on Dongsha Atoll, in the northern SCS, unusually weak winds created low-flow conditions that amplified the 2 °C basin-scale anomaly...
March 23, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28320394/el-ni%C3%A3-o-southern-oscillation-as-an-early-warning-tool-for-malaria-outbreaks-in-india
#20
Ramesh C Dhiman, Soma Sarkar
BACKGROUND: Risks of malaria epidemics in relation to El Niño and Southern Oscillation (ENSO) events have been mapped and studied at global level. In India, where malaria is a major public health problem, no such effort has been undertaken that inter-relates El Niño, Indian Summer Monsoon Rainfall (ISMR) and malaria. The present study has been undertaken to find out the relationship between ENSO events, ISMR and intra-annual variability in malaria cases in India, which in turn could help mitigate the malaria outbreaks...
March 20, 2017: Malaria Journal
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