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https://www.readbyqxmd.com/read/28496184/el-ni%C3%A3-o-increases-the-risk-of-lower-mississippi-river-flooding
#1
Samuel E Munoz, Sylvia G Dee
Mississippi River floods rank among the costliest climate-related disasters in the world. Improving flood predictability, preparedness, and response at seasonal to decadal time-scales requires an understanding of the climatic controls that govern flood occurrence. Linking flood occurrence to persistent modes of climate variability like the El Niño-Southern Oscillation (ENSO) has proven challenging, due in part to the limited number of high-magnitude floods available for study in the instrumental record. To augment the relatively short instrumental record, we use output from the Community Earth System Model (CESM) Last Millennium Ensemble (LME) to investigate the dynamical controls on discharge extremes of the lower Mississippi River...
May 11, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28490782/mangrove-dieback-during-fluctuating-sea-levels
#2
Catherine E Lovelock, Ilka C Feller, Ruth Reef, Sharyn Hickey, Marilyn C Ball
Recent evidence indicates that climate change and intensification of the El Niño Southern Oscillation (ENSO) has increased variation in sea level. Although widespread impacts on intertidal ecosystems are anticipated to arise from the sea level seesaw associated with climate change, none have yet been demonstrated. Intertidal ecosystems, including mangrove forests are among those ecosystems that are highly vulnerable to sea level rise, but they may also be vulnerable to sea level variability and extreme low sea level events...
May 10, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28490780/intrabasin-variability-of-east-pacific-tropical-cyclones-during-enso-regulated-by-central-american-gap-winds
#3
Dan Fu, Ping Chang, Christina M Patricola
Hurricane Patricia in 2015 was the strongest Pacific hurricane to make landfall in Mexico. Although Patricia fortuitously spared major cities, it reminded us of the threat tropical cyclones (TCs) pose in the eastern North Pacific (ENP) and the importance of improving our understanding and prediction of ENP TCs. Patricia's intensity and the active 2015 ENP hurricane season have been partially attributed to the strong El Niño in 2015, however there is still a lack of fundamental understanding of the relationship between El Niño-Southern Oscillation (ENSO) and ENP TCs...
May 10, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28477048/growth-and-reproduction-respond-differently-to-climate-in-three-neotropical-tree-species
#4
Raquel Alfaro-Sánchez, Helene C Muller-Landau, S Joseph Wright, J Julio Camarero
The response of tropical forests to anthropogenic climate change is critically important to future global carbon budgets, yet remains highly uncertain. Here, we investigate how precipitation, temperature, solar radiation and dry- and wet-season lengths are related to annual tree growth, flower production, and fruit production in three moist tropical forest tree species using long-term datasets from tree rings and litter traps in central Panama. We also evaluated how growth, flower, and fruit production were interrelated...
May 5, 2017: Oecologia
https://www.readbyqxmd.com/read/28453564/the-influence-of-climatic-variation-and-density-on-the-survival-of-an-insular-passerine-zosterops-lateralis
#5
Erik M Sandvig, Tim Coulson, Jiro Kikkawa, Sonya M Clegg
Understanding the influence of environmental factors on population dynamics is fundamental to many areas in biology. Survival is a key factor of population biology, as it is thought to be the predominant driver of growth in long-lived passerines, which can be influenced by both biotic and abiotic environmental conditions. We used mark-recapture methods and generalized linear mixed models to test the influence of density and climatic variation, measured at a regional and local scale (Southern Oscillation Index [SOI] and rainfall, respectively), on seasonal variation in survival rates of an insular population of Silvereyes (Zosterops lateralis chlorocephalus), during a 15-year study period, off the east coast of Australia...
2017: PloS One
https://www.readbyqxmd.com/read/28452475/hydrolysis-in-acidic-environment-and-degradation-of-satraplatin-a-joint-experimental-and-theoretical-investigation
#6
Ida Ritacco, Merriam Al Assy, Mohamed K Abd El-Rahman, Sherif Ashraf Fahmy, Nino Russo, Tamer Shoeib, Emilia Sicilia
For the synthesis and selection of active platinum-based anticancer drugs that perform better than cisplatin and its analogues, six-coordinate octahedral Pt(IV) complexes appear to be promising candidates as, being kinetically more inert and more resistant to ligand substitution than four-coordinate Pt(II) centers, they are able to minimize unwanted side reactions with biomolecules prior to DNA binding. Due to their kinetic inertness, Pt(IV) complexes have also been exploited to bypass inconvenient intravenous administration...
April 28, 2017: Inorganic Chemistry
https://www.readbyqxmd.com/read/28450208/modelling-dengue-fever-risk-in-the-state-of-yucatan-mexico-using-regional-scale-satellite-derived-sea-surface-temperature
#7
Abdiel E Laureano-Rosario, Julian E Garcia-Rejon, Salvador Gomez-Carro, Jose A Farfan-Ale, Frank E Muller-Karger
Accurately predicting vector-borne diseases, such as dengue fever, is essential for communities worldwide. Changes in environmental parameters such as precipitation, air temperature, and humidity are known to influence dengue fever dynamics. Furthermore, previous studies have shown how oceanographic variables, such as El Niño Southern Oscillation (ENSO)-related sea surface temperature from the Pacific Ocean, influences dengue fever in the Americas. However, literature is lacking on the use of regional-scale satellite-derived sea surface temperature (SST) to assess its relationship with dengue fever in coastal areas...
April 24, 2017: Acta Tropica
https://www.readbyqxmd.com/read/28447651/surprise-el-ni%C3%A3-o-causes-devastation-but-offers-lessons-for-ecologists
#8
Barbara Fraser
No abstract text is available yet for this article.
April 25, 2017: Nature
https://www.readbyqxmd.com/read/28445534/a-new-high-resolution-global-mass-coral-bleaching-database
#9
Simon D Donner, Gregory J M Rickbeil, Scott F Heron
Episodes of mass coral bleaching have been reported in recent decades and have raised concerns about the future of coral reefs on a warming planet. Despite the efforts to enhance and coordinate coral reef monitoring within and across countries, our knowledge of the geographic extent of mass coral bleaching over the past few decades is incomplete. Existing databases, like ReefBase, are limited by the voluntary nature of contributions, geographical biases in data collection, and the variations in the spatial scale of bleaching reports...
2017: PloS One
https://www.readbyqxmd.com/read/28436491/extratropical-forcing-triggered-the-2015-madden-julian-oscillation-el-ni%C3%A3-o-event
#10
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
#11
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
#12
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
#13
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
#14
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
#15
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
#16
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
#17
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
#18
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
#19
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 25, 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
#20
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
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